From 1a6a1a8acf38737b255d418d941f133eebf524ab Mon Sep 17 00:00:00 2001 From: Mario Zechner Date: Tue, 9 Dec 2025 01:20:31 +0100 Subject: [PATCH] Split main-new.ts into modules: cli/args, cli/file-processor, cli/session-picker, core/system-prompt, core/model-resolver --- packages/coding-agent/docs/refactor.md | 1700 +++++++++++++++++ packages/coding-agent/src/cli/args.ts | 197 ++ .../coding-agent/src/cli/file-processor.ts | 99 + .../coding-agent/src/cli/session-picker.ts | 37 + .../coding-agent/src/core/model-resolver.ts | 317 +++ .../coding-agent/src/core/system-prompt.ts | 247 +++ packages/coding-agent/src/main-new.ts | 1140 ++--------- ..._0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.html | 548 ++++++ 8 files changed, 3326 insertions(+), 959 deletions(-) create mode 100644 packages/coding-agent/docs/refactor.md create mode 100644 packages/coding-agent/src/cli/args.ts create mode 100644 packages/coding-agent/src/cli/file-processor.ts create mode 100644 packages/coding-agent/src/cli/session-picker.ts create mode 100644 packages/coding-agent/src/core/model-resolver.ts create mode 100644 packages/coding-agent/src/core/system-prompt.ts create mode 100644 pi-session-2025-12-08T23-22-21-320Z_0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.html diff --git a/packages/coding-agent/docs/refactor.md b/packages/coding-agent/docs/refactor.md new file mode 100644 index 00000000..ba63738b --- /dev/null +++ b/packages/coding-agent/docs/refactor.md @@ -0,0 +1,1700 @@ +# Coding Agent Refactoring Plan + +## Status + +**Branch:** `refactor` +**Started:** 2024-12-08 + +To resume work on this refactoring: +1. Read this document fully +2. Run `git diff` to see current work in progress +3. Check the work packages below - find first unchecked item +4. Read any files mentioned in that work package before making changes + +## Strategy: Keep Old Code for Reference + +We create new files alongside old ones instead of modifying in place: +- `src/modes/print-mode.ts` (new) - old code stays in `main.ts` +- `src/modes/rpc-mode.ts` (new) - old code stays in `main.ts` +- `src/modes/interactive/interactive-mode.ts` (new) - old code stays in `tui/tui-renderer.ts` +- `src/main-new.ts` (new) - old code stays in `main.ts` +- `src/cli-new.ts` (new) - old code stays in `cli.ts` + +This allows: +- Parallel comparison of old vs new behavior +- Gradual migration and testing +- Easy rollback if needed + +Final switchover: When everything works, rename files and delete old code. + +--- + +## Goals + +1. **Eliminate code duplication** between the three run modes (interactive, print/json, rpc) +2. **Create a testable core** (`AgentSession`) that encapsulates all agent/session logic +3. **Separate concerns**: TUI rendering vs agent state management vs I/O +4. **Improve naming**: `TuiRenderer` → `InteractiveMode` (it's not just a renderer) +5. **Simplify main.ts**: Move setup logic out, make it just arg parsing + mode routing + +--- + +## Architecture Overview + +### Current State (Problems) + +``` +main.ts (1100+ lines) +├── parseArgs, printHelp +├── buildSystemPrompt, loadProjectContextFiles +├── resolveModelScope, model resolution logic +├── runInteractiveMode() - thin wrapper around TuiRenderer +├── runSingleShotMode() - duplicates event handling, session saving +├── runRpcMode() - duplicates event handling, session saving, auto-compaction, bash execution +└── executeRpcBashCommand() - duplicate of TuiRenderer.executeBashCommand() + +tui/tui-renderer.ts (2400+ lines) +├── TUI lifecycle (init, render, event loop) +├── Agent event handling + session persistence (duplicated in main.ts) +├── Auto-compaction logic (duplicated in main.ts runRpcMode) +├── Bash execution (duplicated in main.ts) +├── All slash command implementations (/export, /copy, /model, /thinking, etc.) +├── All hotkey handlers (Ctrl+C, Ctrl+P, Shift+Tab, etc.) +├── Model/thinking cycling logic +└── 6 different selector UIs (model, thinking, theme, session, branch, oauth) +``` + +### Target State + +``` +src/ +├── main.ts (~200 lines) +│ ├── parseArgs, printHelp +│ └── Route to appropriate mode +│ +├── core/ +│ ├── agent-session.ts # Shared agent/session logic (THE key abstraction) +│ ├── bash-executor.ts # Bash execution with streaming + cancellation +│ └── setup.ts # Model resolution, system prompt building, session loading +│ +└── modes/ + ├── print-mode.ts # Simple: prompt, output result + ├── rpc-mode.ts # JSON stdin/stdout protocol + └── interactive/ + ├── interactive-mode.ts # Main orchestrator + ├── command-handlers.ts # Slash command implementations + ├── hotkeys.ts # Hotkey handling + └── selectors.ts # Modal selector management +``` + +--- + +## AgentSession API + +This is the core abstraction shared by all modes. See full API design below. + +```typescript +class AgentSession { + // ─── Read-only State Access ─── + get state(): AgentState; + get model(): Model | null; + get thinkingLevel(): ThinkingLevel; + get isStreaming(): boolean; + get messages(): AppMessage[]; // Includes custom types like BashExecutionMessage + get queueMode(): QueueMode; + + // ─── Event Subscription ─── + // Handles session persistence internally (saves messages, checks auto-compaction) + subscribe(listener: (event: AgentEvent) => void): () => void; + + // ─── Prompting ─── + prompt(text: string, options?: PromptOptions): Promise; + queueMessage(text: string): Promise; + clearQueue(): string[]; + abort(): Promise; + reset(): Promise; + + // ─── Model Management ─── + setModel(model: Model): Promise; // Validates API key, saves to session + settings + cycleModel(): Promise; + getAvailableModels(): Promise[]>; + + // ─── Thinking Level ─── + setThinkingLevel(level: ThinkingLevel): void; // Saves to session + settings + cycleThinkingLevel(): ThinkingLevel | null; + supportsThinking(): boolean; + + // ─── Queue Mode ─── + setQueueMode(mode: QueueMode): void; // Saves to settings + + // ─── Compaction ─── + compact(customInstructions?: string): Promise; + abortCompaction(): void; + checkAutoCompaction(): Promise; // Called internally after assistant messages + setAutoCompactionEnabled(enabled: boolean): void; // Saves to settings + get autoCompactionEnabled(): boolean; + + // ─── Bash Execution ─── + executeBash(command: string, onChunk?: (chunk: string) => void): Promise; + abortBash(): void; + get isBashRunning(): boolean; + + // Session management + switchSession(sessionPath: string): Promise; + branch(entryIndex: number): string; + getUserMessagesForBranching(): Array<{ entryIndex: number; text: string }>; + getSessionStats(): SessionStats; + exportToHtml(outputPath?: string): string; + + // Utilities + getLastAssistantText(): string | null; +} +``` + +--- + +## Work Packages + +### WP1: Create bash-executor.ts +> Extract bash execution into a standalone module that both AgentSession and tests can use. + +**Files to create:** +- `src/core/bash-executor.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `executeBashCommand()` method (lines ~2190-2270) +- `src/main.ts`: `executeRpcBashCommand()` function (lines ~640-700) + +**Implementation:** +```typescript +// src/core/bash-executor.ts +export interface BashExecutorOptions { + onChunk?: (chunk: string) => void; + signal?: AbortSignal; +} + +export interface BashResult { + output: string; + exitCode: number | null; + cancelled: boolean; + truncated: boolean; + fullOutputPath?: string; +} + +export function executeBash(command: string, options?: BashExecutorOptions): Promise; +``` + +**Logic to include:** +- Spawn shell process with `getShellConfig()` +- Stream stdout/stderr through `onChunk` callback (if provided) +- Handle temp file creation for large output (> DEFAULT_MAX_BYTES) +- Sanitize output (stripAnsi, sanitizeBinaryOutput, normalize newlines) +- Apply truncation via `truncateTail()` +- Support cancellation via AbortSignal (calls `killProcessTree`) +- Return structured result + +**Verification:** +1. `npm run check` passes +2. Manual test: Run `pi` in interactive mode, execute `!ls -la`, verify output appears +3. Manual test: Run `!sleep 10`, press Esc, verify cancellation works + +- [x] Create `src/core/bash-executor.ts` with `executeBash()` function +- [x] Add proper TypeScript types and exports +- [x] Verify with `npm run check` + +--- + +### WP2: Create agent-session.ts (Core Structure) +> Create the AgentSession class with basic structure and state access. + +**Files to create:** +- `src/core/agent-session.ts` +- `src/core/index.ts` (barrel export) + +**Dependencies:** None (can use existing imports) + +**Implementation - Phase 1 (structure + state access):** +```typescript +// src/core/agent-session.ts +import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core"; +import type { Model } from "@mariozechner/pi-ai"; +import type { SessionManager } from "../session-manager.js"; +import type { SettingsManager } from "../settings-manager.js"; + +export interface AgentSessionConfig { + agent: Agent; + sessionManager: SessionManager; + settingsManager: SettingsManager; + scopedModels?: Array<{ model: Model; thinkingLevel: ThinkingLevel }>; + fileCommands?: FileSlashCommand[]; +} + +export class AgentSession { + readonly agent: Agent; + readonly sessionManager: SessionManager; + readonly settingsManager: SettingsManager; + + private scopedModels: Array<{ model: Model; thinkingLevel: ThinkingLevel }>; + private fileCommands: FileSlashCommand[]; + + constructor(config: AgentSessionConfig) { + this.agent = config.agent; + this.sessionManager = config.sessionManager; + this.settingsManager = config.settingsManager; + this.scopedModels = config.scopedModels ?? []; + this.fileCommands = config.fileCommands ?? []; + } + + // State access (simple getters) + get state(): AgentState { return this.agent.state; } + get model(): Model | null { return this.agent.state.model; } + get thinkingLevel(): ThinkingLevel { return this.agent.state.thinkingLevel; } + get isStreaming(): boolean { return this.agent.state.isStreaming; } + get messages(): AppMessage[] { return this.agent.state.messages; } + get sessionFile(): string { return this.sessionManager.getSessionFile(); } + get sessionId(): string { return this.sessionManager.getSessionId(); } +} +``` + +**Verification:** +1. `npm run check` passes +2. Class can be instantiated (will test via later integration) + +- [x] Create `src/core/agent-session.ts` with basic structure +- [x] Create `src/core/index.ts` barrel export +- [x] Verify with `npm run check` + +--- + +### WP3: AgentSession - Event Subscription + Session Persistence +> Add subscribe() method that wraps agent subscription and handles session persistence. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `subscribeToAgent()` method (lines ~470-495) +- `src/main.ts`: `runRpcMode()` subscription logic (lines ~720-745) +- `src/main.ts`: `runSingleShotMode()` subscription logic (lines ~605-610) + +**Implementation:** +```typescript +// Add to AgentSession class + +private unsubscribeAgent?: () => void; +private eventListeners: Array<(event: AgentEvent) => void> = []; + +/** + * Subscribe to agent events. Session persistence is handled internally. + * Multiple listeners can be added. Returns unsubscribe function. + */ +subscribe(listener: (event: AgentEvent) => void): () => void { + this.eventListeners.push(listener); + + // Set up agent subscription if not already done + if (!this.unsubscribeAgent) { + this.unsubscribeAgent = this.agent.subscribe(async (event) => { + // Notify all listeners + for (const l of this.eventListeners) { + l(event); + } + + // Handle session persistence + if (event.type === "message_end") { + this.sessionManager.saveMessage(event.message); + + // Initialize session after first user+assistant exchange + if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) { + this.sessionManager.startSession(this.agent.state); + } + + // Check auto-compaction after assistant messages + if (event.message.role === "assistant") { + await this.checkAutoCompaction(); + } + } + }); + } + + // Return unsubscribe function for this specific listener + return () => { + const index = this.eventListeners.indexOf(listener); + if (index !== -1) { + this.eventListeners.splice(index, 1); + } + }; +} + +/** + * Unsubscribe from agent entirely (used during cleanup/reset) + */ +private unsubscribeAll(): void { + if (this.unsubscribeAgent) { + this.unsubscribeAgent(); + this.unsubscribeAgent = undefined; + } + this.eventListeners = []; +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `subscribe()` method to AgentSession +- [x] Add `_disconnectFromAgent()` private method (renamed from unsubscribeAll) +- [x] Add `_reconnectToAgent()` private method (renamed from resubscribe) +- [x] Add `dispose()` public method for full cleanup +- [x] Verify with `npm run check` + +--- + +### WP4: AgentSession - Prompting Methods +> Add prompt(), queueMessage(), clearQueue(), abort(), reset() methods. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: editor.onSubmit validation logic (lines ~340-380) +- `src/tui/tui-renderer.ts`: handleClearCommand() (lines ~2005-2035) +- Slash command expansion from `expandSlashCommand()` + +**Implementation:** +```typescript +// Add to AgentSession class + +private queuedMessages: string[] = []; + +/** + * Send a prompt to the agent. + * - Validates model and API key + * - Expands slash commands by default + * - Throws if no model or no API key + */ +async prompt(text: string, options?: { + expandSlashCommands?: boolean; + attachments?: Attachment[]; +}): Promise { + const expandCommands = options?.expandSlashCommands ?? true; + + // Validate model + if (!this.model) { + throw new Error( + "No model selected.\n\n" + + "Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" + + `or create ${getModelsPath()}\n\n` + + "Then use /model to select a model." + ); + } + + // Validate API key + const apiKey = await getApiKeyForModel(this.model); + if (!apiKey) { + throw new Error( + `No API key found for ${this.model.provider}.\n\n` + + `Set the appropriate environment variable or update ${getModelsPath()}` + ); + } + + // Expand slash commands + const expandedText = expandCommands ? expandSlashCommand(text, this.fileCommands) : text; + + await this.agent.prompt(expandedText, options?.attachments); +} + +/** + * Queue a message while agent is streaming. + */ +async queueMessage(text: string): Promise { + this.queuedMessages.push(text); + await this.agent.queueMessage({ + role: "user", + content: [{ type: "text", text }], + timestamp: Date.now(), + }); +} + +/** + * Clear queued messages. Returns them for restoration to editor. + */ +clearQueue(): string[] { + const queued = [...this.queuedMessages]; + this.queuedMessages = []; + this.agent.clearMessageQueue(); + return queued; +} + +/** + * Abort current operation and wait for idle. + */ +async abort(): Promise { + this.agent.abort(); + await this.agent.waitForIdle(); +} + +/** + * Reset agent and session. Starts a fresh session. + */ +async reset(): Promise { + this.unsubscribeAll(); + await this.abort(); + this.agent.reset(); + this.sessionManager.reset(); + this.queuedMessages = []; + // Re-subscribe (caller may have added listeners before reset) + // Actually, listeners are cleared in unsubscribeAll, so caller needs to re-subscribe +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `prompt()` method with validation and slash command expansion +- [x] Add `queueMessage()` method +- [x] Add `clearQueue()` method +- [x] Add `abort()` method +- [x] Add `reset()` method +- [x] Add `queuedMessageCount` getter and `getQueuedMessages()` method +- [x] Verify with `npm run check` + +--- + +### WP5: AgentSession - Model Management +> Add setModel(), cycleModel(), getAvailableModels() methods. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `cycleModel()` method (lines ~970-1070) +- Model validation scattered throughout + +**Implementation:** +```typescript +// Add to AgentSession class + +export interface ModelCycleResult { + model: Model; + thinkingLevel: ThinkingLevel; + isScoped: boolean; +} + +/** + * Set model directly. Validates API key, saves to session and settings. + */ +async setModel(model: Model): Promise { + const apiKey = await getApiKeyForModel(model); + if (!apiKey) { + throw new Error(`No API key for ${model.provider}/${model.id}`); + } + + this.agent.setModel(model); + this.sessionManager.saveModelChange(model.provider, model.id); + this.settingsManager.setDefaultModelAndProvider(model.provider, model.id); +} + +/** + * Cycle to next model. Uses scoped models if available. + * Returns null if only one model available. + */ +async cycleModel(): Promise { + if (this.scopedModels.length > 0) { + return this.cycleScopedModel(); + } else { + return this.cycleAvailableModel(); + } +} + +private async cycleScopedModel(): Promise { + if (this.scopedModels.length <= 1) return null; + + const currentModel = this.model; + let currentIndex = this.scopedModels.findIndex( + (sm) => sm.model.id === currentModel?.id && sm.model.provider === currentModel?.provider + ); + + if (currentIndex === -1) currentIndex = 0; + const nextIndex = (currentIndex + 1) % this.scopedModels.length; + const next = this.scopedModels[nextIndex]; + + // Validate API key + const apiKey = await getApiKeyForModel(next.model); + if (!apiKey) { + throw new Error(`No API key for ${next.model.provider}/${next.model.id}`); + } + + // Apply model + this.agent.setModel(next.model); + this.sessionManager.saveModelChange(next.model.provider, next.model.id); + this.settingsManager.setDefaultModelAndProvider(next.model.provider, next.model.id); + + // Apply thinking level (silently use "off" if not supported) + const effectiveThinking = next.model.reasoning ? next.thinkingLevel : "off"; + this.agent.setThinkingLevel(effectiveThinking); + this.sessionManager.saveThinkingLevelChange(effectiveThinking); + this.settingsManager.setDefaultThinkingLevel(effectiveThinking); + + return { model: next.model, thinkingLevel: effectiveThinking, isScoped: true }; +} + +private async cycleAvailableModel(): Promise { + const { models: availableModels, error } = await getAvailableModels(); + if (error) throw new Error(`Failed to load models: ${error}`); + if (availableModels.length <= 1) return null; + + const currentModel = this.model; + let currentIndex = availableModels.findIndex( + (m) => m.id === currentModel?.id && m.provider === currentModel?.provider + ); + + if (currentIndex === -1) currentIndex = 0; + const nextIndex = (currentIndex + 1) % availableModels.length; + const nextModel = availableModels[nextIndex]; + + const apiKey = await getApiKeyForModel(nextModel); + if (!apiKey) { + throw new Error(`No API key for ${nextModel.provider}/${nextModel.id}`); + } + + this.agent.setModel(nextModel); + this.sessionManager.saveModelChange(nextModel.provider, nextModel.id); + this.settingsManager.setDefaultModelAndProvider(nextModel.provider, nextModel.id); + + return { model: nextModel, thinkingLevel: this.thinkingLevel, isScoped: false }; +} + +/** + * Get all available models with valid API keys. + */ +async getAvailableModels(): Promise[]> { + const { models, error } = await getAvailableModels(); + if (error) throw new Error(error); + return models; +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `ModelCycleResult` interface +- [x] Add `setModel()` method +- [x] Add `cycleModel()` method with scoped/available variants +- [x] Add `getAvailableModels()` method +- [x] Verify with `npm run check` + +--- + +### WP6: AgentSession - Thinking Level Management +> Add setThinkingLevel(), cycleThinkingLevel(), supportsThinking() methods. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `cycleThinkingLevel()` method (lines ~940-970) + +**Implementation:** +```typescript +// Add to AgentSession class + +/** + * Set thinking level. Silently uses "off" if model doesn't support it. + * Saves to session and settings. + */ +setThinkingLevel(level: ThinkingLevel): void { + const effectiveLevel = this.supportsThinking() ? level : "off"; + this.agent.setThinkingLevel(effectiveLevel); + this.sessionManager.saveThinkingLevelChange(effectiveLevel); + this.settingsManager.setDefaultThinkingLevel(effectiveLevel); +} + +/** + * Cycle to next thinking level. + * Returns new level, or null if model doesn't support thinking. + */ +cycleThinkingLevel(): ThinkingLevel | null { + if (!this.supportsThinking()) return null; + + const modelId = this.model?.id || ""; + const supportsXhigh = modelId.includes("codex-max"); + const levels: ThinkingLevel[] = supportsXhigh + ? ["off", "minimal", "low", "medium", "high", "xhigh"] + : ["off", "minimal", "low", "medium", "high"]; + + const currentIndex = levels.indexOf(this.thinkingLevel); + const nextIndex = (currentIndex + 1) % levels.length; + const nextLevel = levels[nextIndex]; + + this.setThinkingLevel(nextLevel); + return nextLevel; +} + +/** + * Check if current model supports thinking. + */ +supportsThinking(): boolean { + return !!this.model?.reasoning; +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `setThinkingLevel()` method +- [x] Add `cycleThinkingLevel()` method +- [x] Add `supportsThinking()` method +- [x] Add `setQueueMode()` method and `queueMode` getter (see below) +- [x] Verify with `npm run check` + +**Queue mode (add to same WP):** +```typescript +// Add to AgentSession class + +get queueMode(): QueueMode { + return this.agent.getQueueMode(); +} + +/** + * Set message queue mode. Saves to settings. + */ +setQueueMode(mode: QueueMode): void { + this.agent.setQueueMode(mode); + this.settingsManager.setQueueMode(mode); +} +``` + +--- + +### WP7: AgentSession - Compaction +> Add compact(), abortCompaction(), checkAutoCompaction(), autoCompactionEnabled methods. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `executeCompaction()` (lines ~2280-2370) +- `src/tui/tui-renderer.ts`: `checkAutoCompaction()` (lines ~495-525) +- `src/main.ts`: `runRpcMode()` auto-compaction logic (lines ~730-770) + +**Implementation:** +```typescript +// Add to AgentSession class + +export interface CompactionResult { + tokensBefore: number; + tokensAfter: number; + summary: string; +} + +private compactionAbortController: AbortController | null = null; + +/** + * Manually compact the session context. + * Aborts current agent operation first. + */ +async compact(customInstructions?: string): Promise { + // Abort any running operation + this.unsubscribeAll(); + await this.abort(); + + // Create abort controller + this.compactionAbortController = new AbortController(); + + try { + const apiKey = await getApiKeyForModel(this.model!); + if (!apiKey) { + throw new Error(`No API key for ${this.model!.provider}`); + } + + const entries = this.sessionManager.loadEntries(); + const settings = this.settingsManager.getCompactionSettings(); + const compactionEntry = await compact( + entries, + this.model!, + settings, + apiKey, + this.compactionAbortController.signal, + customInstructions, + ); + + if (this.compactionAbortController.signal.aborted) { + throw new Error("Compaction cancelled"); + } + + // Save and reload + this.sessionManager.saveCompaction(compactionEntry); + const loaded = loadSessionFromEntries(this.sessionManager.loadEntries()); + this.agent.replaceMessages(loaded.messages); + + return { + tokensBefore: compactionEntry.tokensBefore, + tokensAfter: compactionEntry.tokensAfter, + summary: compactionEntry.summary, + }; + } finally { + this.compactionAbortController = null; + // Note: caller needs to re-subscribe after compaction + } +} + +/** + * Cancel in-progress compaction. + */ +abortCompaction(): void { + this.compactionAbortController?.abort(); +} + +/** + * Check if auto-compaction should run, and run if so. + * Returns result if compaction occurred, null otherwise. + */ +async checkAutoCompaction(): Promise { + const settings = this.settingsManager.getCompactionSettings(); + if (!settings.enabled) return null; + + // Get last non-aborted assistant message + const messages = this.messages; + let lastAssistant: AssistantMessage | null = null; + for (let i = messages.length - 1; i >= 0; i--) { + const msg = messages[i]; + if (msg.role === "assistant") { + const assistantMsg = msg as AssistantMessage; + if (assistantMsg.stopReason !== "aborted") { + lastAssistant = assistantMsg; + break; + } + } + } + if (!lastAssistant) return null; + + const contextTokens = calculateContextTokens(lastAssistant.usage); + const contextWindow = this.model?.contextWindow ?? 0; + + if (!shouldCompact(contextTokens, contextWindow, settings)) return null; + + // Perform auto-compaction (don't abort current operation for auto) + try { + const apiKey = await getApiKeyForModel(this.model!); + if (!apiKey) return null; + + const entries = this.sessionManager.loadEntries(); + const compactionEntry = await compact(entries, this.model!, settings, apiKey); + + this.sessionManager.saveCompaction(compactionEntry); + const loaded = loadSessionFromEntries(this.sessionManager.loadEntries()); + this.agent.replaceMessages(loaded.messages); + + return { + tokensBefore: compactionEntry.tokensBefore, + tokensAfter: compactionEntry.tokensAfter, + summary: compactionEntry.summary, + }; + } catch { + return null; // Silently fail auto-compaction + } +} + +/** + * Toggle auto-compaction setting. + */ +setAutoCompactionEnabled(enabled: boolean): void { + this.settingsManager.setCompactionEnabled(enabled); +} + +get autoCompactionEnabled(): boolean { + return this.settingsManager.getCompactionEnabled(); +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `CompactionResult` interface +- [x] Add `compact()` method +- [x] Add `abortCompaction()` method +- [x] Add `checkAutoCompaction()` method +- [x] Add `setAutoCompactionEnabled()` and getter +- [x] Verify with `npm run check` + +--- + +### WP8: AgentSession - Bash Execution +> Add executeBash(), abortBash(), isBashRunning using the bash-executor module. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Dependencies:** WP1 (bash-executor.ts) + +**Implementation:** +```typescript +// Add to AgentSession class + +import { executeBash as executeBashCommand, type BashResult } from "./bash-executor.js"; +import type { BashExecutionMessage } from "../messages.js"; + +private bashAbortController: AbortController | null = null; + +/** + * Execute a bash command. Adds result to agent context and session. + */ +async executeBash(command: string, onChunk?: (chunk: string) => void): Promise { + this.bashAbortController = new AbortController(); + + try { + const result = await executeBashCommand(command, { + onChunk, + signal: this.bashAbortController.signal, + }); + + // Create and save message + const bashMessage: BashExecutionMessage = { + role: "bashExecution", + command, + output: result.output, + exitCode: result.exitCode, + cancelled: result.cancelled, + truncated: result.truncated, + fullOutputPath: result.fullOutputPath, + timestamp: Date.now(), + }; + + this.agent.appendMessage(bashMessage); + this.sessionManager.saveMessage(bashMessage); + + // Initialize session if needed + if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) { + this.sessionManager.startSession(this.agent.state); + } + + return result; + } finally { + this.bashAbortController = null; + } +} + +/** + * Cancel running bash command. + */ +abortBash(): void { + this.bashAbortController?.abort(); +} + +get isBashRunning(): boolean { + return this.bashAbortController !== null; +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add bash execution methods using bash-executor module +- [x] Verify with `npm run check` + +--- + +### WP9: AgentSession - Session Management +> Add switchSession(), branch(), getUserMessagesForBranching(), getSessionStats(), exportToHtml(). + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `handleResumeSession()` (lines ~1650-1710) +- `src/tui/tui-renderer.ts`: `showUserMessageSelector()` branch logic (lines ~1560-1600) +- `src/tui/tui-renderer.ts`: `handleSessionCommand()` (lines ~1870-1930) + +**Implementation:** +```typescript +// Add to AgentSession class + +export interface SessionStats { + sessionFile: string; + sessionId: string; + userMessages: number; + assistantMessages: number; + toolCalls: number; + toolResults: number; + totalMessages: number; + tokens: { + input: number; + output: number; + cacheRead: number; + cacheWrite: number; + total: number; + }; + cost: number; +} + +/** + * Switch to a different session file. + * Aborts current operation, loads messages, restores model/thinking. + */ +async switchSession(sessionPath: string): Promise { + this.unsubscribeAll(); + await this.abort(); + this.queuedMessages = []; + + this.sessionManager.setSessionFile(sessionPath); + const loaded = loadSessionFromEntries(this.sessionManager.loadEntries()); + this.agent.replaceMessages(loaded.messages); + + // Restore model + const savedModel = this.sessionManager.loadModel(); + if (savedModel) { + const availableModels = (await getAvailableModels()).models; + const match = availableModels.find( + (m) => m.provider === savedModel.provider && m.id === savedModel.modelId + ); + if (match) { + this.agent.setModel(match); + } + } + + // Restore thinking level + const savedThinking = this.sessionManager.loadThinkingLevel(); + if (savedThinking) { + this.agent.setThinkingLevel(savedThinking as ThinkingLevel); + } + + // Note: caller needs to re-subscribe after switch +} + +/** + * Create a branch from a specific entry index. + * Returns the text of the selected user message (for editor pre-fill). + */ +branch(entryIndex: number): string { + const entries = this.sessionManager.loadEntries(); + const selectedEntry = entries[entryIndex]; + + if (selectedEntry.type !== "message" || selectedEntry.message.role !== "user") { + throw new Error("Invalid entry index for branching"); + } + + const selectedText = this.extractUserMessageText(selectedEntry.message.content); + + // Create branched session + const newSessionFile = this.sessionManager.createBranchedSessionFromEntries(entries, entryIndex); + this.sessionManager.setSessionFile(newSessionFile); + + // Reload + const loaded = loadSessionFromEntries(this.sessionManager.loadEntries()); + this.agent.replaceMessages(loaded.messages); + + return selectedText; +} + +/** + * Get all user messages from session for branch selector. + */ +getUserMessagesForBranching(): Array<{ entryIndex: number; text: string }> { + const entries = this.sessionManager.loadEntries(); + const result: Array<{ entryIndex: number; text: string }> = []; + + for (let i = 0; i < entries.length; i++) { + const entry = entries[i]; + if (entry.type !== "message") continue; + if (entry.message.role !== "user") continue; + + const text = this.extractUserMessageText(entry.message.content); + if (text) { + result.push({ entryIndex: i, text }); + } + } + + return result; +} + +private extractUserMessageText(content: string | Array<{ type: string; text?: string }>): string { + if (typeof content === "string") return content; + if (Array.isArray(content)) { + return content + .filter((c): c is { type: "text"; text: string } => c.type === "text") + .map((c) => c.text) + .join(""); + } + return ""; +} + +/** + * Get session statistics. + */ +getSessionStats(): SessionStats { + const state = this.state; + const userMessages = state.messages.filter((m) => m.role === "user").length; + const assistantMessages = state.messages.filter((m) => m.role === "assistant").length; + const toolResults = state.messages.filter((m) => m.role === "toolResult").length; + + let toolCalls = 0; + let totalInput = 0; + let totalOutput = 0; + let totalCacheRead = 0; + let totalCacheWrite = 0; + let totalCost = 0; + + for (const message of state.messages) { + if (message.role === "assistant") { + const assistantMsg = message as AssistantMessage; + toolCalls += assistantMsg.content.filter((c) => c.type === "toolCall").length; + totalInput += assistantMsg.usage.input; + totalOutput += assistantMsg.usage.output; + totalCacheRead += assistantMsg.usage.cacheRead; + totalCacheWrite += assistantMsg.usage.cacheWrite; + totalCost += assistantMsg.usage.cost.total; + } + } + + return { + sessionFile: this.sessionFile, + sessionId: this.sessionId, + userMessages, + assistantMessages, + toolCalls, + toolResults, + totalMessages: state.messages.length, + tokens: { + input: totalInput, + output: totalOutput, + cacheRead: totalCacheRead, + cacheWrite: totalCacheWrite, + total: totalInput + totalOutput + totalCacheRead + totalCacheWrite, + }, + cost: totalCost, + }; +} + +/** + * Export session to HTML. + */ +exportToHtml(outputPath?: string): string { + return exportSessionToHtml(this.sessionManager, this.state, outputPath); +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `SessionStats` interface +- [x] Add `switchSession()` method +- [x] Add `branch()` method +- [x] Add `getUserMessagesForBranching()` method +- [x] Add `getSessionStats()` method +- [x] Add `exportToHtml()` method +- [x] Verify with `npm run check` + +--- + +### WP10: AgentSession - Utility Methods +> Add getLastAssistantText() and any remaining utilities. + +**Files to modify:** +- `src/core/agent-session.ts` + +**Extract from:** +- `src/tui/tui-renderer.ts`: `handleCopyCommand()` (lines ~1840-1870) + +**Implementation:** +```typescript +// Add to AgentSession class + +/** + * Get text content of last assistant message (for /copy). + * Returns null if no assistant message exists. + */ +getLastAssistantText(): string | null { + const lastAssistant = this.messages + .slice() + .reverse() + .find((m) => m.role === "assistant"); + + if (!lastAssistant) return null; + + let text = ""; + for (const content of lastAssistant.content) { + if (content.type === "text") { + text += content.text; + } + } + + return text.trim() || null; +} + +/** + * Get queued message count (for UI display). + */ +get queuedMessageCount(): number { + return this.queuedMessages.length; +} + +/** + * Get queued messages (for display, not modification). + */ +getQueuedMessages(): readonly string[] { + return this.queuedMessages; +} +``` + +**Verification:** +1. `npm run check` passes + +- [x] Add `getLastAssistantText()` method +- [x] Add `queuedMessageCount` getter (done in WP4) +- [x] Add `getQueuedMessages()` method (done in WP4) +- [x] Verify with `npm run check` + +--- + +### WP11: Create print-mode.ts +> Extract single-shot mode into its own module using AgentSession. + +**Files to create:** +- `src/modes/print-mode.ts` + +**Extract from:** +- `src/main.ts`: `runSingleShotMode()` function (lines ~615-640) + +**Implementation:** +```typescript +// src/modes/print-mode.ts + +import type { Attachment } from "@mariozechner/pi-agent-core"; +import type { AssistantMessage } from "@mariozechner/pi-ai"; +import type { AgentSession } from "../core/agent-session.js"; + +export async function runPrintMode( + session: AgentSession, + mode: "text" | "json", + messages: string[], + initialMessage?: string, + initialAttachments?: Attachment[], +): Promise { + + if (mode === "json") { + // Output all events as JSON + session.subscribe((event) => { + console.log(JSON.stringify(event)); + }); + } + + // Send initial message with attachments + if (initialMessage) { + await session.prompt(initialMessage, { attachments: initialAttachments }); + } + + // Send remaining messages + for (const message of messages) { + await session.prompt(message); + } + + // In text mode, output final response + if (mode === "text") { + const state = session.state; + const lastMessage = state.messages[state.messages.length - 1]; + + if (lastMessage?.role === "assistant") { + const assistantMsg = lastMessage as AssistantMessage; + + // Check for error/aborted + if (assistantMsg.stopReason === "error" || assistantMsg.stopReason === "aborted") { + console.error(assistantMsg.errorMessage || `Request ${assistantMsg.stopReason}`); + process.exit(1); + } + + // Output text content + for (const content of assistantMsg.content) { + if (content.type === "text") { + console.log(content.text); + } + } + } + } +} +``` + +**Verification:** +1. `npm run check` passes +2. Manual test: `pi -p "echo hello"` still works + +- [x] Create `src/modes/print-mode.ts` +- [x] Verify with `npm run check` + +--- + +### WP12: Create rpc-mode.ts +> Extract RPC mode into its own module using AgentSession. + +**Files to create:** +- `src/modes/rpc-mode.ts` + +**Extract from:** +- `src/main.ts`: `runRpcMode()` function (lines ~700-800) + +**Implementation:** +```typescript +// src/modes/rpc-mode.ts + +import * as readline from "readline"; +import type { AgentSession } from "../core/agent-session.js"; + +export async function runRpcMode(session: AgentSession): Promise { + // Output all events as JSON + session.subscribe((event) => { + console.log(JSON.stringify(event)); + + // Emit auto-compaction events + // (checkAutoCompaction is called internally by AgentSession after assistant messages) + }); + + // Listen for JSON input + const rl = readline.createInterface({ + input: process.stdin, + output: process.stdout, + terminal: false, + }); + + rl.on("line", async (line: string) => { + try { + const input = JSON.parse(line); + + switch (input.type) { + case "prompt": + if (input.message) { + await session.prompt(input.message, { + attachments: input.attachments, + expandSlashCommands: false, // RPC mode doesn't expand slash commands + }); + } + break; + + case "abort": + await session.abort(); + break; + + case "compact": + try { + const result = await session.compact(input.customInstructions); + console.log(JSON.stringify({ type: "compaction", ...result })); + } catch (error: any) { + console.log(JSON.stringify({ type: "error", error: `Compaction failed: ${error.message}` })); + } + break; + + case "bash": + if (input.command) { + try { + const result = await session.executeBash(input.command); + console.log(JSON.stringify({ type: "bash_end", message: result })); + } catch (error: any) { + console.log(JSON.stringify({ type: "error", error: `Bash failed: ${error.message}` })); + } + } + break; + + default: + console.log(JSON.stringify({ type: "error", error: `Unknown command: ${input.type}` })); + } + } catch (error: any) { + console.log(JSON.stringify({ type: "error", error: error.message })); + } + }); + + // Keep process alive forever + return new Promise(() => {}); +} +``` + +**Verification:** +1. `npm run check` passes +2. Manual test: RPC mode still works (if you have a way to test it) + +- [x] Create `src/modes/rpc-mode.ts` +- [x] Verify with `npm run check` + +--- + +### WP13: Create modes/index.ts barrel export +> Create barrel export for all modes. + +**Files to create:** +- `src/modes/index.ts` + +**Implementation:** +```typescript +// src/modes/index.ts +export { runPrintMode } from "./print-mode.js"; +export { runRpcMode } from "./rpc-mode.js"; +// InteractiveMode will be added later +``` + +- [x] Create `src/modes/index.ts` +- [x] Verify with `npm run check` + +--- + +### WP14: Create main-new.ts using AgentSession and new modes +> Create a new main file that uses AgentSession and the new mode modules. +> Old main.ts is kept for reference/comparison. + +**Files to create:** +- `src/main-new.ts` (copy from main.ts, then modify) +- `src/cli-new.ts` (copy from cli.ts, point to main-new.ts) + +**Changes to main-new.ts:** +1. Remove `runSingleShotMode()` function (use print-mode.ts) +2. Remove `runRpcMode()` function (use rpc-mode.ts) +3. Remove `executeRpcBashCommand()` function (use bash-executor.ts) +4. Create `AgentSession` instance after agent setup +5. Pass `AgentSession` to mode functions + +**Key changes in main():** +```typescript +// After agent creation, create AgentSession +const session = new AgentSession({ + agent, + sessionManager, + settingsManager, + scopedModels, + fileCommands: loadSlashCommands(), +}); + +// Route to modes +if (mode === "rpc") { + await runRpcMode(session); +} else if (isInteractive) { + // For now, still use TuiRenderer directly (will refactor in WP15+) + await runInteractiveMode(agent, sessionManager, ...); +} else { + await runPrintMode(session, mode, parsed.messages, initialMessage, initialAttachments); +} +``` + +**cli-new.ts:** +```typescript +#!/usr/bin/env node +import { main } from "./main-new.js"; +main(process.argv.slice(2)); +``` + +**Testing the new implementation:** +```bash +# Run new implementation directly +npx tsx src/cli-new.ts -p "hello" +npx tsx src/cli-new.ts --mode json "hello" +npx tsx src/cli-new.ts # interactive mode +``` + +**Verification:** +1. `npm run check` passes +2. Manual test: `npx tsx src/cli-new.ts -p "hello"` works +3. Manual test: `npx tsx src/cli-new.ts --mode json "hello"` works +4. Manual test: `npx tsx src/cli-new.ts --mode rpc` works + +- [x] Copy main.ts to main-new.ts +- [x] Remove `runSingleShotMode()` from main-new.ts +- [x] Remove `runRpcMode()` from main-new.ts +- [x] Remove `executeRpcBashCommand()` from main-new.ts +- [x] Import and use `runPrintMode` from modes +- [x] Import and use `runRpcMode` from modes +- [x] Create `AgentSession` in main() +- [x] Update mode routing to use new functions +- [x] Create cli-new.ts +- [x] Verify with `npm run check` +- [ ] Manual test all three modes via cli-new.ts + +--- + +### WP15: Create InteractiveMode using AgentSession +> Create a new interactive mode class that uses AgentSession. +> Old tui-renderer.ts is kept for reference. + +**Files to create:** +- `src/modes/interactive/interactive-mode.ts` (based on tui-renderer.ts) + +**This is the largest change. Strategy:** +1. Copy tui-renderer.ts to new location +2. Rename class from `TuiRenderer` to `InteractiveMode` +3. Change constructor to accept `AgentSession` instead of separate agent/sessionManager/settingsManager +4. Replace all `this.agent.*` calls with `this.session.agent.*` or appropriate AgentSession methods +5. Replace all `this.sessionManager.*` calls with AgentSession methods +6. Replace all `this.settingsManager.*` calls with AgentSession methods where applicable +7. Remove duplicated logic that now lives in AgentSession + +**Key replacements:** +| Old | New | +|-----|-----| +| `this.agent.prompt()` | `this.session.prompt()` | +| `this.agent.abort()` | `this.session.abort()` | +| `this.sessionManager.saveMessage()` | (handled internally by AgentSession.subscribe) | +| `this.cycleThinkingLevel()` | `this.session.cycleThinkingLevel()` | +| `this.cycleModel()` | `this.session.cycleModel()` | +| `this.executeBashCommand()` | `this.session.executeBash()` | +| `this.executeCompaction()` | `this.session.compact()` | +| `this.checkAutoCompaction()` | (handled internally by AgentSession) | +| `this.handleClearCommand()` reset logic | `this.session.reset()` | +| `this.handleResumeSession()` | `this.session.switchSession()` | + +**Constructor change:** +```typescript +// Old +constructor( + agent: Agent, + sessionManager: SessionManager, + settingsManager: SettingsManager, + version: string, + ... +) + +// New +constructor( + session: AgentSession, + version: string, + ... +) +``` + +**Verification:** +1. `npm run check` passes +2. Manual test via cli-new.ts: Full interactive mode works +3. Manual test: All slash commands work +4. Manual test: All hotkeys work +5. Manual test: Bash execution works +6. Manual test: Model/thinking cycling works + +- [x] Create `src/modes/interactive/` directory +- [x] Copy tui-renderer.ts to interactive-mode.ts +- [x] Rename class to `InteractiveMode` +- [x] Change constructor to accept AgentSession +- [x] Update all agent access to go through session +- [x] Remove `subscribeToAgent()` method (use session.subscribe) +- [x] Remove `checkAutoCompaction()` method (handled by session) +- [x] Update `cycleThinkingLevel()` to use session method +- [x] Update `cycleModel()` to use session method +- [x] Update bash execution to use session.executeBash() +- [x] Update compaction to use session.compact() +- [x] Update reset logic to use session.reset() +- [x] Update session switching to use session.switchSession() +- [x] Update branch logic to use session.branch() +- [x] Remove all direct sessionManager access (use convenience getters for remaining access) +- [x] Update imports to point to `../../tui/` for components (keep old components in place for now) +- [x] Update modes/index.ts to export InteractiveMode +- [x] Verify with `npm run check` +- [ ] Manual test interactive mode via cli-new.ts + +--- + +### WP16: Update main-new.ts runInteractiveMode to use InteractiveMode +> Update runInteractiveMode in main-new.ts to use the new InteractiveMode class. + +**Files to modify:** +- `src/main-new.ts` + +**Changes:** +```typescript +import { InteractiveMode } from "./modes/interactive/interactive-mode.js"; + +async function runInteractiveMode( + session: AgentSession, + version: string, + changelogMarkdown: string | null, + collapseChangelog: boolean, + modelFallbackMessage: string | null, + versionCheckPromise: Promise, + initialMessages: string[], + initialMessage?: string, + initialAttachments?: Attachment[], + fdPath: string | null, +): Promise { + const mode = new InteractiveMode( + session, + version, + changelogMarkdown, + collapseChangelog, + fdPath, + ); + // ... rest stays similar +} +``` + +**Verification:** +1. `npm run check` passes +2. Manual test via cli-new.ts: Interactive mode works + +- [x] Update `runInteractiveMode()` in main-new.ts +- [x] Update InteractiveMode instantiation +- [x] Verify with `npm run check` + +--- + +### WP17: (OPTIONAL) Move TUI components to modes/interactive/ +> Move TUI-specific components to the interactive mode directory. +> This is optional cleanup - can be skipped if too disruptive. + +**Note:** The old `src/tui/` directory is kept. We just create copies/moves as needed. +For now, InteractiveMode can import from `../../tui/` to reuse existing components. + +**Files to potentially move (if doing this WP):** +- `src/tui/assistant-message.ts` → `src/modes/interactive/components/` +- `src/tui/bash-execution.ts` → `src/modes/interactive/components/` +- etc. + +**Skip this WP for now** - focus on getting the new architecture working first. +The component organization can be cleaned up later. + +- [ ] SKIPPED (optional cleanup for later) + +--- + +### WP19: Extract setup logic from main.ts +> Create setup.ts with model resolution, system prompt building, etc. + +**Files to create:** +- `src/core/setup.ts` + +**Extract from main.ts:** +- `buildSystemPrompt()` function +- `loadProjectContextFiles()` function +- `loadContextFileFromDir()` function +- `resolveModelScope()` function +- Model resolution logic (the priority system) +- Session loading/restoration logic + +**Implementation:** +```typescript +// src/core/setup.ts + +export interface SetupOptions { + provider?: string; + model?: string; + apiKey?: string; + systemPrompt?: string; + appendSystemPrompt?: string; + thinking?: ThinkingLevel; + continue?: boolean; + resume?: boolean; + models?: string[]; + tools?: ToolName[]; + sessionManager: SessionManager; + settingsManager: SettingsManager; +} + +export interface SetupResult { + agent: Agent; + initialModel: Model | null; + initialThinking: ThinkingLevel; + scopedModels: Array<{ model: Model; thinkingLevel: ThinkingLevel }>; + modelFallbackMessage: string | null; +} + +export async function setupAgent(options: SetupOptions): Promise; + +export function buildSystemPrompt( + customPrompt?: string, + selectedTools?: ToolName[], + appendSystemPrompt?: string +): string; + +export function loadProjectContextFiles(): Array<{ path: string; content: string }>; + +export async function resolveModelScope( + patterns: string[] +): Promise; thinkingLevel: ThinkingLevel }>>; +``` + +**Verification:** +1. `npm run check` passes +2. All modes still work + +- [ ] Create `src/core/setup.ts` +- [ ] Move `buildSystemPrompt()` from main.ts +- [ ] Move `loadProjectContextFiles()` from main.ts +- [ ] Move `loadContextFileFromDir()` from main.ts +- [ ] Move `resolveModelScope()` from main.ts +- [ ] Create `setupAgent()` function +- [ ] Update main.ts to use setup.ts +- [ ] Verify with `npm run check` + +--- + +### WP20: Final cleanup and documentation +> Clean up main.ts, add documentation, verify everything works. + +**Tasks:** +1. Remove any dead code from main.ts +2. Ensure main.ts is ~200-300 lines (just arg parsing + routing) +3. Add JSDoc comments to AgentSession public methods +4. Update README if needed +5. Final manual testing of all features + +**Verification:** +1. `npm run check` passes +2. All three modes work +3. All slash commands work +4. All hotkeys work +5. Session persistence works +6. Compaction works +7. Bash execution works +8. Model/thinking cycling works + +- [ ] Remove dead code from main.ts +- [ ] Add JSDoc to AgentSession +- [ ] Final testing +- [ ] Update README if needed + +--- + +## Testing Checklist (E2E) + +After refactoring is complete, verify these scenarios: + +### Interactive Mode +- [ ] Start fresh session: `pi` +- [ ] Continue session: `pi -c` +- [ ] Resume session: `pi -r` +- [ ] Initial message: `pi "hello"` +- [ ] File attachment: `pi @file.txt "summarize"` +- [ ] Model cycling: Ctrl+P +- [ ] Thinking cycling: Shift+Tab +- [ ] Tool expansion: Ctrl+O +- [ ] Thinking toggle: Ctrl+T +- [ ] Abort: Esc during streaming +- [ ] Clear: Ctrl+C twice to exit +- [ ] Bash command: `!ls -la` +- [ ] Bash cancel: Esc during bash +- [ ] /thinking command +- [ ] /model command +- [ ] /export command +- [ ] /copy command +- [ ] /session command +- [ ] /changelog command +- [ ] /branch command +- [ ] /login and /logout commands +- [ ] /queue command +- [ ] /theme command +- [ ] /clear command +- [ ] /compact command +- [ ] /autocompact command +- [ ] /resume command +- [ ] Message queuing while streaming + +### Print Mode +- [ ] Basic: `pi -p "hello"` +- [ ] JSON: `pi --mode json "hello"` +- [ ] Multiple messages: `pi -p "first" "second"` +- [ ] File attachment: `pi -p @file.txt "summarize"` + +### RPC Mode +- [ ] Start: `pi --mode rpc` +- [ ] Send prompt via JSON +- [ ] Abort via JSON +- [ ] Compact via JSON +- [ ] Bash via JSON + +--- + +## Notes + +- This refactoring should be done incrementally, testing after each work package +- If a WP introduces regressions, fix them before moving to the next +- The most risky WP is WP15 (updating TuiRenderer) - take extra care there +- Consider creating git commits after each major WP for easy rollback diff --git a/packages/coding-agent/src/cli/args.ts b/packages/coding-agent/src/cli/args.ts new file mode 100644 index 00000000..2f7c4bdd --- /dev/null +++ b/packages/coding-agent/src/cli/args.ts @@ -0,0 +1,197 @@ +/** + * CLI argument parsing and help display + */ + +import type { ThinkingLevel } from "@mariozechner/pi-agent-core"; +import chalk from "chalk"; +import { allTools, type ToolName } from "../core/tools/index.js"; +import { APP_NAME, CONFIG_DIR_NAME, ENV_AGENT_DIR, getModelsPath } from "../utils/config.js"; + +export type Mode = "text" | "json" | "rpc"; + +export interface Args { + provider?: string; + model?: string; + apiKey?: string; + systemPrompt?: string; + appendSystemPrompt?: string; + thinking?: ThinkingLevel; + continue?: boolean; + resume?: boolean; + help?: boolean; + mode?: Mode; + noSession?: boolean; + session?: string; + models?: string[]; + tools?: ToolName[]; + print?: boolean; + export?: string; + messages: string[]; + fileArgs: string[]; +} + +const VALID_THINKING_LEVELS = ["off", "minimal", "low", "medium", "high", "xhigh"] as const; + +export function isValidThinkingLevel(level: string): level is ThinkingLevel { + return VALID_THINKING_LEVELS.includes(level as ThinkingLevel); +} + +export function parseArgs(args: string[]): Args { + const result: Args = { + messages: [], + fileArgs: [], + }; + + for (let i = 0; i < args.length; i++) { + const arg = args[i]; + + if (arg === "--help" || arg === "-h") { + result.help = true; + } else if (arg === "--mode" && i + 1 < args.length) { + const mode = args[++i]; + if (mode === "text" || mode === "json" || mode === "rpc") { + result.mode = mode; + } + } else if (arg === "--continue" || arg === "-c") { + result.continue = true; + } else if (arg === "--resume" || arg === "-r") { + result.resume = true; + } else if (arg === "--provider" && i + 1 < args.length) { + result.provider = args[++i]; + } else if (arg === "--model" && i + 1 < args.length) { + result.model = args[++i]; + } else if (arg === "--api-key" && i + 1 < args.length) { + result.apiKey = args[++i]; + } else if (arg === "--system-prompt" && i + 1 < args.length) { + result.systemPrompt = args[++i]; + } else if (arg === "--append-system-prompt" && i + 1 < args.length) { + result.appendSystemPrompt = args[++i]; + } else if (arg === "--no-session") { + result.noSession = true; + } else if (arg === "--session" && i + 1 < args.length) { + result.session = args[++i]; + } else if (arg === "--models" && i + 1 < args.length) { + result.models = args[++i].split(",").map((s) => s.trim()); + } else if (arg === "--tools" && i + 1 < args.length) { + const toolNames = args[++i].split(",").map((s) => s.trim()); + const validTools: ToolName[] = []; + for (const name of toolNames) { + if (name in allTools) { + validTools.push(name as ToolName); + } else { + console.error( + chalk.yellow(`Warning: Unknown tool "${name}". Valid tools: ${Object.keys(allTools).join(", ")}`), + ); + } + } + result.tools = validTools; + } else if (arg === "--thinking" && i + 1 < args.length) { + const level = args[++i]; + if (isValidThinkingLevel(level)) { + result.thinking = level; + } else { + console.error( + chalk.yellow( + `Warning: Invalid thinking level "${level}". Valid values: ${VALID_THINKING_LEVELS.join(", ")}`, + ), + ); + } + } else if (arg === "--print" || arg === "-p") { + result.print = true; + } else if (arg === "--export" && i + 1 < args.length) { + result.export = args[++i]; + } else if (arg.startsWith("@")) { + result.fileArgs.push(arg.slice(1)); // Remove @ prefix + } else if (!arg.startsWith("-")) { + result.messages.push(arg); + } + } + + return result; +} + +export function printHelp(): void { + console.log(`${chalk.bold(APP_NAME)} - AI coding assistant with read, bash, edit, write tools + +${chalk.bold("Usage:")} + ${APP_NAME} [options] [@files...] [messages...] + +${chalk.bold("Options:")} + --provider Provider name (default: google) + --model Model ID (default: gemini-2.5-flash) + --api-key API key (defaults to env vars) + --system-prompt System prompt (default: coding assistant prompt) + --append-system-prompt Append text or file contents to the system prompt + --mode Output mode: text (default), json, or rpc + --print, -p Non-interactive mode: process prompt and exit + --continue, -c Continue previous session + --resume, -r Select a session to resume + --session Use specific session file + --no-session Don't save session (ephemeral) + --models Comma-separated model patterns for quick cycling with Ctrl+P + --tools Comma-separated list of tools to enable (default: read,bash,edit,write) + Available: read, bash, edit, write, grep, find, ls + --thinking Set thinking level: off, minimal, low, medium, high, xhigh + --export Export session file to HTML and exit + --help, -h Show this help + +${chalk.bold("Examples:")} + # Interactive mode + ${APP_NAME} + + # Interactive mode with initial prompt + ${APP_NAME} "List all .ts files in src/" + + # Include files in initial message + ${APP_NAME} @prompt.md @image.png "What color is the sky?" + + # Non-interactive mode (process and exit) + ${APP_NAME} -p "List all .ts files in src/" + + # Multiple messages (interactive) + ${APP_NAME} "Read package.json" "What dependencies do we have?" + + # Continue previous session + ${APP_NAME} --continue "What did we discuss?" + + # Use different model + ${APP_NAME} --provider openai --model gpt-4o-mini "Help me refactor this code" + + # Limit model cycling to specific models + ${APP_NAME} --models claude-sonnet,claude-haiku,gpt-4o + + # Cycle models with fixed thinking levels + ${APP_NAME} --models sonnet:high,haiku:low + + # Start with a specific thinking level + ${APP_NAME} --thinking high "Solve this complex problem" + + # Read-only mode (no file modifications possible) + ${APP_NAME} --tools read,grep,find,ls -p "Review the code in src/" + + # Export a session file to HTML + ${APP_NAME} --export ~/${CONFIG_DIR_NAME}/agent/sessions/--path--/session.jsonl + ${APP_NAME} --export session.jsonl output.html + +${chalk.bold("Environment Variables:")} + ANTHROPIC_API_KEY - Anthropic Claude API key + ANTHROPIC_OAUTH_TOKEN - Anthropic OAuth token (alternative to API key) + OPENAI_API_KEY - OpenAI GPT API key + GEMINI_API_KEY - Google Gemini API key + GROQ_API_KEY - Groq API key + CEREBRAS_API_KEY - Cerebras API key + XAI_API_KEY - xAI Grok API key + OPENROUTER_API_KEY - OpenRouter API key + ZAI_API_KEY - ZAI API key + ${ENV_AGENT_DIR.padEnd(23)} - Session storage directory (default: ~/${CONFIG_DIR_NAME}/agent) + +${chalk.bold("Available Tools (default: read, bash, edit, write):")} + read - Read file contents + bash - Execute bash commands + edit - Edit files with find/replace + write - Write files (creates/overwrites) + grep - Search file contents (read-only, off by default) + find - Find files by glob pattern (read-only, off by default) + ls - List directory contents (read-only, off by default) +`); +} diff --git a/packages/coding-agent/src/cli/file-processor.ts b/packages/coding-agent/src/cli/file-processor.ts new file mode 100644 index 00000000..2e96dfbf --- /dev/null +++ b/packages/coding-agent/src/cli/file-processor.ts @@ -0,0 +1,99 @@ +/** + * Process @file CLI arguments into text content and image attachments + */ + +import type { Attachment } from "@mariozechner/pi-agent-core"; +import chalk from "chalk"; +import { existsSync, readFileSync, statSync } from "fs"; +import { homedir } from "os"; +import { extname, resolve } from "path"; + +/** Map of file extensions to MIME types for common image formats */ +const IMAGE_MIME_TYPES: Record = { + ".jpg": "image/jpeg", + ".jpeg": "image/jpeg", + ".png": "image/png", + ".gif": "image/gif", + ".webp": "image/webp", +}; + +/** Check if a file is an image based on its extension, returns MIME type or null */ +function isImageFile(filePath: string): string | null { + const ext = extname(filePath).toLowerCase(); + return IMAGE_MIME_TYPES[ext] || null; +} + +/** Expand ~ to home directory */ +function expandPath(filePath: string): string { + if (filePath === "~") { + return homedir(); + } + if (filePath.startsWith("~/")) { + return homedir() + filePath.slice(1); + } + return filePath; +} + +export interface ProcessedFiles { + textContent: string; + imageAttachments: Attachment[]; +} + +/** Process @file arguments into text content and image attachments */ +export function processFileArguments(fileArgs: string[]): ProcessedFiles { + let textContent = ""; + const imageAttachments: Attachment[] = []; + + for (const fileArg of fileArgs) { + // Expand and resolve path + const expandedPath = expandPath(fileArg); + const absolutePath = resolve(expandedPath); + + // Check if file exists + if (!existsSync(absolutePath)) { + console.error(chalk.red(`Error: File not found: ${absolutePath}`)); + process.exit(1); + } + + // Check if file is empty + const stats = statSync(absolutePath); + if (stats.size === 0) { + // Skip empty files + continue; + } + + const mimeType = isImageFile(absolutePath); + + if (mimeType) { + // Handle image file + const content = readFileSync(absolutePath); + const base64Content = content.toString("base64"); + + const attachment: Attachment = { + id: `file-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`, + type: "image", + fileName: absolutePath.split("/").pop() || absolutePath, + mimeType, + size: stats.size, + content: base64Content, + }; + + imageAttachments.push(attachment); + + // Add text reference to image + textContent += `\n`; + } else { + // Handle text file + try { + const content = readFileSync(absolutePath, "utf-8"); + textContent += `\n${content}\n\n`; + } catch (error: unknown) { + const message = error instanceof Error ? error.message : String(error); + console.error(chalk.red(`Error: Could not read file ${absolutePath}: ${message}`)); + process.exit(1); + } + } + } + + return { textContent, imageAttachments }; +} diff --git a/packages/coding-agent/src/cli/session-picker.ts b/packages/coding-agent/src/cli/session-picker.ts new file mode 100644 index 00000000..00a2edea --- /dev/null +++ b/packages/coding-agent/src/cli/session-picker.ts @@ -0,0 +1,37 @@ +/** + * TUI session selector for --resume flag + */ + +import { ProcessTerminal, TUI } from "@mariozechner/pi-tui"; +import type { SessionManager } from "../core/session-manager.js"; +import { SessionSelectorComponent } from "../modes/interactive/components/session-selector.js"; + +/** Show TUI session selector and return selected session path or null if cancelled */ +export async function selectSession(sessionManager: SessionManager): Promise { + return new Promise((resolve) => { + const ui = new TUI(new ProcessTerminal()); + let resolved = false; + + const selector = new SessionSelectorComponent( + sessionManager, + (path: string) => { + if (!resolved) { + resolved = true; + ui.stop(); + resolve(path); + } + }, + () => { + if (!resolved) { + resolved = true; + ui.stop(); + resolve(null); + } + }, + ); + + ui.addChild(selector); + ui.setFocus(selector.getSessionList()); + ui.start(); + }); +} diff --git a/packages/coding-agent/src/core/model-resolver.ts b/packages/coding-agent/src/core/model-resolver.ts new file mode 100644 index 00000000..0e3032e6 --- /dev/null +++ b/packages/coding-agent/src/core/model-resolver.ts @@ -0,0 +1,317 @@ +/** + * Model resolution, scoping, and initial selection + */ + +import type { ThinkingLevel } from "@mariozechner/pi-agent-core"; +import type { Api, KnownProvider, Model } from "@mariozechner/pi-ai"; +import chalk from "chalk"; +import { isValidThinkingLevel } from "../cli/args.js"; +import { findModel, getApiKeyForModel, getAvailableModels } from "./model-config.js"; +import type { SettingsManager } from "./settings-manager.js"; + +/** Default model IDs for each known provider */ +export const defaultModelPerProvider: Record = { + anthropic: "claude-sonnet-4-5", + openai: "gpt-5.1-codex", + google: "gemini-2.5-pro", + openrouter: "openai/gpt-5.1-codex", + xai: "grok-4-fast-non-reasoning", + groq: "openai/gpt-oss-120b", + cerebras: "zai-glm-4.6", + zai: "glm-4.6", +}; + +export interface ScopedModel { + model: Model; + thinkingLevel: ThinkingLevel; +} + +/** + * Resolve model patterns to actual Model objects with optional thinking levels + * Format: "pattern:level" where :level is optional + * For each pattern, finds all matching models and picks the best version: + * 1. Prefer alias (e.g., claude-sonnet-4-5) over dated versions (claude-sonnet-4-5-20250929) + * 2. If no alias, pick the latest dated version + */ +export async function resolveModelScope(patterns: string[]): Promise { + const { models: availableModels, error } = await getAvailableModels(); + + if (error) { + console.warn(chalk.yellow(`Warning: Error loading models: ${error}`)); + return []; + } + + const scopedModels: ScopedModel[] = []; + + for (const pattern of patterns) { + // Parse pattern:level format + const parts = pattern.split(":"); + const modelPattern = parts[0]; + let thinkingLevel: ThinkingLevel = "off"; + + if (parts.length > 1) { + const level = parts[1]; + if (isValidThinkingLevel(level)) { + thinkingLevel = level; + } else { + console.warn( + chalk.yellow(`Warning: Invalid thinking level "${level}" in pattern "${pattern}". Using "off" instead.`), + ); + } + } + + // Check for provider/modelId format (provider is everything before the first /) + const slashIndex = modelPattern.indexOf("/"); + if (slashIndex !== -1) { + const provider = modelPattern.substring(0, slashIndex); + const modelId = modelPattern.substring(slashIndex + 1); + const providerMatch = availableModels.find( + (m) => m.provider.toLowerCase() === provider.toLowerCase() && m.id.toLowerCase() === modelId.toLowerCase(), + ); + if (providerMatch) { + if ( + !scopedModels.find( + (sm) => sm.model.id === providerMatch.id && sm.model.provider === providerMatch.provider, + ) + ) { + scopedModels.push({ model: providerMatch, thinkingLevel }); + } + continue; + } + // No exact provider/model match - fall through to other matching + } + + // Check for exact ID match (case-insensitive) + const exactMatch = availableModels.find((m) => m.id.toLowerCase() === modelPattern.toLowerCase()); + if (exactMatch) { + // Exact match found - use it directly + if (!scopedModels.find((sm) => sm.model.id === exactMatch.id && sm.model.provider === exactMatch.provider)) { + scopedModels.push({ model: exactMatch, thinkingLevel }); + } + continue; + } + + // No exact match - fall back to partial matching + const matches = availableModels.filter( + (m) => + m.id.toLowerCase().includes(modelPattern.toLowerCase()) || + m.name?.toLowerCase().includes(modelPattern.toLowerCase()), + ); + + if (matches.length === 0) { + console.warn(chalk.yellow(`Warning: No models match pattern "${modelPattern}"`)); + continue; + } + + // Helper to check if a model ID looks like an alias (no date suffix) + // Dates are typically in format: -20241022 or -20250929 + const isAlias = (id: string): boolean => { + // Check if ID ends with -latest + if (id.endsWith("-latest")) return true; + + // Check if ID ends with a date pattern (-YYYYMMDD) + const datePattern = /-\d{8}$/; + return !datePattern.test(id); + }; + + // Separate into aliases and dated versions + const aliases = matches.filter((m) => isAlias(m.id)); + const datedVersions = matches.filter((m) => !isAlias(m.id)); + + let bestMatch: Model; + + if (aliases.length > 0) { + // Prefer alias - if multiple aliases, pick the one that sorts highest + aliases.sort((a, b) => b.id.localeCompare(a.id)); + bestMatch = aliases[0]; + } else { + // No alias found, pick latest dated version + datedVersions.sort((a, b) => b.id.localeCompare(a.id)); + bestMatch = datedVersions[0]; + } + + // Avoid duplicates + if (!scopedModels.find((sm) => sm.model.id === bestMatch.id && sm.model.provider === bestMatch.provider)) { + scopedModels.push({ model: bestMatch, thinkingLevel }); + } + } + + return scopedModels; +} + +export interface InitialModelResult { + model: Model | null; + thinkingLevel: ThinkingLevel; + fallbackMessage: string | null; +} + +/** + * Find the initial model to use based on priority: + * 1. CLI args (provider + model) + * 2. First model from scoped models (if not continuing/resuming) + * 3. Restored from session (if continuing/resuming) + * 4. Saved default from settings + * 5. First available model with valid API key + */ +export async function findInitialModel(options: { + cliProvider?: string; + cliModel?: string; + scopedModels: ScopedModel[]; + isContinuing: boolean; + settingsManager: SettingsManager; +}): Promise { + const { cliProvider, cliModel, scopedModels, isContinuing, settingsManager } = options; + + let model: Model | null = null; + let thinkingLevel: ThinkingLevel = "off"; + + // 1. CLI args take priority + if (cliProvider && cliModel) { + const { model: found, error } = findModel(cliProvider, cliModel); + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + if (!found) { + console.error(chalk.red(`Model ${cliProvider}/${cliModel} not found`)); + process.exit(1); + } + return { model: found, thinkingLevel: "off", fallbackMessage: null }; + } + + // 2. Use first model from scoped models (skip if continuing/resuming) + if (scopedModels.length > 0 && !isContinuing) { + return { + model: scopedModels[0].model, + thinkingLevel: scopedModels[0].thinkingLevel, + fallbackMessage: null, + }; + } + + // 3. Try saved default from settings + const defaultProvider = settingsManager.getDefaultProvider(); + const defaultModelId = settingsManager.getDefaultModel(); + if (defaultProvider && defaultModelId) { + const { model: found, error } = findModel(defaultProvider, defaultModelId); + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + if (found) { + model = found; + // Also load saved thinking level + const savedThinking = settingsManager.getDefaultThinkingLevel(); + if (savedThinking) { + thinkingLevel = savedThinking; + } + return { model, thinkingLevel, fallbackMessage: null }; + } + } + + // 4. Try first available model with valid API key + const { models: availableModels, error } = await getAvailableModels(); + + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + + if (availableModels.length > 0) { + // Try to find a default model from known providers + for (const provider of Object.keys(defaultModelPerProvider) as KnownProvider[]) { + const defaultId = defaultModelPerProvider[provider]; + const match = availableModels.find((m) => m.provider === provider && m.id === defaultId); + if (match) { + return { model: match, thinkingLevel: "off", fallbackMessage: null }; + } + } + + // If no default found, use first available + return { model: availableModels[0], thinkingLevel: "off", fallbackMessage: null }; + } + + // 5. No model found + return { model: null, thinkingLevel: "off", fallbackMessage: null }; +} + +/** + * Restore model from session, with fallback to available models + */ +export async function restoreModelFromSession( + savedProvider: string, + savedModelId: string, + currentModel: Model | null, + shouldPrintMessages: boolean, +): Promise<{ model: Model | null; fallbackMessage: string | null }> { + const { model: restoredModel, error } = findModel(savedProvider, savedModelId); + + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + + // Check if restored model exists and has a valid API key + const hasApiKey = restoredModel ? !!(await getApiKeyForModel(restoredModel)) : false; + + if (restoredModel && hasApiKey) { + if (shouldPrintMessages) { + console.log(chalk.dim(`Restored model: ${savedProvider}/${savedModelId}`)); + } + return { model: restoredModel, fallbackMessage: null }; + } + + // Model not found or no API key - fall back + const reason = !restoredModel ? "model no longer exists" : "no API key available"; + + if (shouldPrintMessages) { + console.error(chalk.yellow(`Warning: Could not restore model ${savedProvider}/${savedModelId} (${reason}).`)); + } + + // If we already have a model, use it as fallback + if (currentModel) { + if (shouldPrintMessages) { + console.log(chalk.dim(`Falling back to: ${currentModel.provider}/${currentModel.id}`)); + } + return { + model: currentModel, + fallbackMessage: `Could not restore model ${savedProvider}/${savedModelId} (${reason}). Using ${currentModel.provider}/${currentModel.id}.`, + }; + } + + // Try to find any available model + const { models: availableModels, error: availableError } = await getAvailableModels(); + if (availableError) { + console.error(chalk.red(availableError)); + process.exit(1); + } + + if (availableModels.length > 0) { + // Try to find a default model from known providers + let fallbackModel: Model | null = null; + for (const provider of Object.keys(defaultModelPerProvider) as KnownProvider[]) { + const defaultId = defaultModelPerProvider[provider]; + const match = availableModels.find((m) => m.provider === provider && m.id === defaultId); + if (match) { + fallbackModel = match; + break; + } + } + + // If no default found, use first available + if (!fallbackModel) { + fallbackModel = availableModels[0]; + } + + if (shouldPrintMessages) { + console.log(chalk.dim(`Falling back to: ${fallbackModel.provider}/${fallbackModel.id}`)); + } + + return { + model: fallbackModel, + fallbackMessage: `Could not restore model ${savedProvider}/${savedModelId} (${reason}). Using ${fallbackModel.provider}/${fallbackModel.id}.`, + }; + } + + // No models available + return { model: null, fallbackMessage: null }; +} diff --git a/packages/coding-agent/src/core/system-prompt.ts b/packages/coding-agent/src/core/system-prompt.ts new file mode 100644 index 00000000..1db1ac7d --- /dev/null +++ b/packages/coding-agent/src/core/system-prompt.ts @@ -0,0 +1,247 @@ +/** + * System prompt construction and project context loading + */ + +import chalk from "chalk"; +import { existsSync, readFileSync } from "fs"; +import { join, resolve } from "path"; +import { getAgentDir, getReadmePath } from "../utils/config.js"; +import type { ToolName } from "./tools/index.js"; + +/** Tool descriptions for system prompt */ +const toolDescriptions: Record = { + read: "Read file contents", + bash: "Execute bash commands (ls, grep, find, etc.)", + edit: "Make surgical edits to files (find exact text and replace)", + write: "Create or overwrite files", + grep: "Search file contents for patterns (respects .gitignore)", + find: "Find files by glob pattern (respects .gitignore)", + ls: "List directory contents", +}; + +/** Resolve input as file path or literal string */ +function resolvePromptInput(input: string | undefined, description: string): string | undefined { + if (!input) { + return undefined; + } + + if (existsSync(input)) { + try { + return readFileSync(input, "utf-8"); + } catch (error) { + console.error(chalk.yellow(`Warning: Could not read ${description} file ${input}: ${error}`)); + return input; + } + } + + return input; +} + +/** Look for AGENTS.md or CLAUDE.md in a directory (prefers AGENTS.md) */ +function loadContextFileFromDir(dir: string): { path: string; content: string } | null { + const candidates = ["AGENTS.md", "CLAUDE.md"]; + for (const filename of candidates) { + const filePath = join(dir, filename); + if (existsSync(filePath)) { + try { + return { + path: filePath, + content: readFileSync(filePath, "utf-8"), + }; + } catch (error) { + console.error(chalk.yellow(`Warning: Could not read ${filePath}: ${error}`)); + } + } + } + return null; +} + +/** + * Load all project context files in order: + * 1. Global: ~/{CONFIG_DIR_NAME}/agent/AGENTS.md or CLAUDE.md + * 2. Parent directories (top-most first) down to cwd + * Each returns {path, content} for separate messages + */ +export function loadProjectContextFiles(): Array<{ path: string; content: string }> { + const contextFiles: Array<{ path: string; content: string }> = []; + + // 1. Load global context from ~/{CONFIG_DIR_NAME}/agent/ + const globalContextDir = getAgentDir(); + const globalContext = loadContextFileFromDir(globalContextDir); + if (globalContext) { + contextFiles.push(globalContext); + } + + // 2. Walk up from cwd to root, collecting all context files + const cwd = process.cwd(); + const ancestorContextFiles: Array<{ path: string; content: string }> = []; + + let currentDir = cwd; + const root = resolve("/"); + + while (true) { + const contextFile = loadContextFileFromDir(currentDir); + if (contextFile) { + // Add to beginning so we get top-most parent first + ancestorContextFiles.unshift(contextFile); + } + + // Stop if we've reached root + if (currentDir === root) break; + + // Move up one directory + const parentDir = resolve(currentDir, ".."); + if (parentDir === currentDir) break; // Safety check + currentDir = parentDir; + } + + // Add ancestor files in order (top-most → cwd) + contextFiles.push(...ancestorContextFiles); + + return contextFiles; +} + +/** Build the system prompt with tools, guidelines, and context */ +export function buildSystemPrompt( + customPrompt?: string, + selectedTools?: ToolName[], + appendSystemPrompt?: string, +): string { + const resolvedCustomPrompt = resolvePromptInput(customPrompt, "system prompt"); + const resolvedAppendPrompt = resolvePromptInput(appendSystemPrompt, "append system prompt"); + + const now = new Date(); + const dateTime = now.toLocaleString("en-US", { + weekday: "long", + year: "numeric", + month: "long", + day: "numeric", + hour: "2-digit", + minute: "2-digit", + second: "2-digit", + timeZoneName: "short", + }); + + const appendSection = resolvedAppendPrompt ? `\n\n${resolvedAppendPrompt}` : ""; + + if (resolvedCustomPrompt) { + let prompt = resolvedCustomPrompt; + + if (appendSection) { + prompt += appendSection; + } + + // Append project context files + const contextFiles = loadProjectContextFiles(); + if (contextFiles.length > 0) { + prompt += "\n\n# Project Context\n\n"; + prompt += "The following project context files have been loaded:\n\n"; + for (const { path: filePath, content } of contextFiles) { + prompt += `## ${filePath}\n\n${content}\n\n`; + } + } + + // Add date/time and working directory last + prompt += `\nCurrent date and time: ${dateTime}`; + prompt += `\nCurrent working directory: ${process.cwd()}`; + + return prompt; + } + + // Get absolute path to README.md + const readmePath = getReadmePath(); + + // Build tools list based on selected tools + const tools = selectedTools || (["read", "bash", "edit", "write"] as ToolName[]); + const toolsList = tools.map((t) => `- ${t}: ${toolDescriptions[t]}`).join("\n"); + + // Build guidelines based on which tools are actually available + const guidelinesList: string[] = []; + + const hasBash = tools.includes("bash"); + const hasEdit = tools.includes("edit"); + const hasWrite = tools.includes("write"); + const hasGrep = tools.includes("grep"); + const hasFind = tools.includes("find"); + const hasLs = tools.includes("ls"); + const hasRead = tools.includes("read"); + + // Read-only mode notice (no bash, edit, or write) + if (!hasBash && !hasEdit && !hasWrite) { + guidelinesList.push("You are in READ-ONLY mode - you cannot modify files or execute arbitrary commands"); + } + + // Bash without edit/write = read-only bash mode + if (hasBash && !hasEdit && !hasWrite) { + guidelinesList.push( + "Use bash ONLY for read-only operations (git log, gh issue view, curl, etc.) - do NOT modify any files", + ); + } + + // File exploration guidelines + if (hasBash && !hasGrep && !hasFind && !hasLs) { + guidelinesList.push("Use bash for file operations like ls, grep, find"); + } else if (hasBash && (hasGrep || hasFind || hasLs)) { + guidelinesList.push("Prefer grep/find/ls tools over bash for file exploration (faster, respects .gitignore)"); + } + + // Read before edit guideline + if (hasRead && hasEdit) { + guidelinesList.push("Use read to examine files before editing"); + } + + // Edit guideline + if (hasEdit) { + guidelinesList.push("Use edit for precise changes (old text must match exactly)"); + } + + // Write guideline + if (hasWrite) { + guidelinesList.push("Use write only for new files or complete rewrites"); + } + + // Output guideline (only when actually writing/executing) + if (hasEdit || hasWrite) { + guidelinesList.push( + "When summarizing your actions, output plain text directly - do NOT use cat or bash to display what you did", + ); + } + + // Always include these + guidelinesList.push("Be concise in your responses"); + guidelinesList.push("Show file paths clearly when working with files"); + + const guidelines = guidelinesList.map((g) => `- ${g}`).join("\n"); + + let prompt = `You are an expert coding assistant. You help users with coding tasks by reading files, executing commands, editing code, and writing new files. + +Available tools: +${toolsList} + +Guidelines: +${guidelines} + +Documentation: +- Your own documentation (including custom model setup and theme creation) is at: ${readmePath} +- Read it when users ask about features, configuration, or setup, and especially if the user asks you to add a custom model or provider, or create a custom theme.`; + + if (appendSection) { + prompt += appendSection; + } + + // Append project context files + const contextFiles = loadProjectContextFiles(); + if (contextFiles.length > 0) { + prompt += "\n\n# Project Context\n\n"; + prompt += "The following project context files have been loaded:\n\n"; + for (const { path: filePath, content } of contextFiles) { + prompt += `## ${filePath}\n\n${content}\n\n`; + } + } + + // Add date/time and working directory last + prompt += `\nCurrent date and time: ${dateTime}`; + prompt += `\nCurrent working directory: ${process.cwd()}`; + + return prompt; +} diff --git a/packages/coding-agent/src/main-new.ts b/packages/coding-agent/src/main-new.ts index dc5d4cd2..3733af42 100644 --- a/packages/coding-agent/src/main-new.ts +++ b/packages/coding-agent/src/main-new.ts @@ -1,560 +1,29 @@ +/** + * Main entry point for the coding agent + */ + import { Agent, type Attachment, ProviderTransport, type ThinkingLevel } from "@mariozechner/pi-agent-core"; -import type { Api, KnownProvider, Model } from "@mariozechner/pi-ai"; -import { ProcessTerminal, TUI } from "@mariozechner/pi-tui"; import chalk from "chalk"; -import { existsSync, readFileSync, statSync } from "fs"; -import { homedir } from "os"; -import { extname, join, resolve } from "path"; +import { type Args, parseArgs, printHelp } from "./cli/args.js"; +import { processFileArguments } from "./cli/file-processor.js"; +import { selectSession } from "./cli/session-picker.js"; import { AgentSession } from "./core/agent-session.js"; import { exportFromFile } from "./core/export-html.js"; import { messageTransformer } from "./core/messages.js"; import { findModel, getApiKeyForModel, getAvailableModels } from "./core/model-config.js"; +import { resolveModelScope, restoreModelFromSession, type ScopedModel } from "./core/model-resolver.js"; import { SessionManager } from "./core/session-manager.js"; import { SettingsManager } from "./core/settings-manager.js"; import { loadSlashCommands } from "./core/slash-commands.js"; -import { allTools, codingTools, type ToolName } from "./core/tools/index.js"; +import { buildSystemPrompt, loadProjectContextFiles } from "./core/system-prompt.js"; +import { allTools, codingTools } from "./core/tools/index.js"; import { InteractiveMode, runPrintMode, runRpcMode } from "./modes/index.js"; -import { SessionSelectorComponent } from "./modes/interactive/components/session-selector.js"; import { initTheme } from "./modes/interactive/theme/theme.js"; import { getChangelogPath, getNewEntries, parseChangelog } from "./utils/changelog.js"; -import { - APP_NAME, - CONFIG_DIR_NAME, - ENV_AGENT_DIR, - getAgentDir, - getModelsPath, - getReadmePath, - VERSION, -} from "./utils/config.js"; +import { getModelsPath, VERSION } from "./utils/config.js"; import { ensureTool } from "./utils/tools-manager.js"; -const defaultModelPerProvider: Record = { - anthropic: "claude-sonnet-4-5", - openai: "gpt-5.1-codex", - google: "gemini-2.5-pro", - openrouter: "openai/gpt-5.1-codex", - xai: "grok-4-fast-non-reasoning", - groq: "openai/gpt-oss-120b", - cerebras: "zai-glm-4.6", - zai: "glm-4.6", -}; - -type Mode = "text" | "json" | "rpc"; - -interface Args { - provider?: string; - model?: string; - apiKey?: string; - systemPrompt?: string; - appendSystemPrompt?: string; - thinking?: ThinkingLevel; - continue?: boolean; - resume?: boolean; - help?: boolean; - mode?: Mode; - noSession?: boolean; - session?: string; - models?: string[]; - tools?: ToolName[]; - print?: boolean; - export?: string; - messages: string[]; - fileArgs: string[]; -} - -function parseArgs(args: string[]): Args { - const result: Args = { - messages: [], - fileArgs: [], - }; - - for (let i = 0; i < args.length; i++) { - const arg = args[i]; - - if (arg === "--help" || arg === "-h") { - result.help = true; - } else if (arg === "--mode" && i + 1 < args.length) { - const mode = args[++i]; - if (mode === "text" || mode === "json" || mode === "rpc") { - result.mode = mode; - } - } else if (arg === "--continue" || arg === "-c") { - result.continue = true; - } else if (arg === "--resume" || arg === "-r") { - result.resume = true; - } else if (arg === "--provider" && i + 1 < args.length) { - result.provider = args[++i]; - } else if (arg === "--model" && i + 1 < args.length) { - result.model = args[++i]; - } else if (arg === "--api-key" && i + 1 < args.length) { - result.apiKey = args[++i]; - } else if (arg === "--system-prompt" && i + 1 < args.length) { - result.systemPrompt = args[++i]; - } else if (arg === "--append-system-prompt" && i + 1 < args.length) { - result.appendSystemPrompt = args[++i]; - } else if (arg === "--no-session") { - result.noSession = true; - } else if (arg === "--session" && i + 1 < args.length) { - result.session = args[++i]; - } else if (arg === "--models" && i + 1 < args.length) { - result.models = args[++i].split(",").map((s) => s.trim()); - } else if (arg === "--tools" && i + 1 < args.length) { - const toolNames = args[++i].split(",").map((s) => s.trim()); - const validTools: ToolName[] = []; - for (const name of toolNames) { - if (name in allTools) { - validTools.push(name as ToolName); - } else { - console.error( - chalk.yellow(`Warning: Unknown tool "${name}". Valid tools: ${Object.keys(allTools).join(", ")}`), - ); - } - } - result.tools = validTools; - } else if (arg === "--thinking" && i + 1 < args.length) { - const level = args[++i]; - if ( - level === "off" || - level === "minimal" || - level === "low" || - level === "medium" || - level === "high" || - level === "xhigh" - ) { - result.thinking = level; - } else { - console.error( - chalk.yellow( - `Warning: Invalid thinking level "${level}". Valid values: off, minimal, low, medium, high, xhigh`, - ), - ); - } - } else if (arg === "--print" || arg === "-p") { - result.print = true; - } else if (arg === "--export" && i + 1 < args.length) { - result.export = args[++i]; - } else if (arg.startsWith("@")) { - result.fileArgs.push(arg.slice(1)); // Remove @ prefix - } else if (!arg.startsWith("-")) { - result.messages.push(arg); - } - } - - return result; -} - -/** - * Map of file extensions to MIME types for common image formats - */ -const IMAGE_MIME_TYPES: Record = { - ".jpg": "image/jpeg", - ".jpeg": "image/jpeg", - ".png": "image/png", - ".gif": "image/gif", - ".webp": "image/webp", -}; - -/** - * Check if a file is an image based on its extension - */ -function isImageFile(filePath: string): string | null { - const ext = extname(filePath).toLowerCase(); - return IMAGE_MIME_TYPES[ext] || null; -} - -/** - * Expand ~ to home directory - */ -function expandPath(filePath: string): string { - if (filePath === "~") { - return homedir(); - } - if (filePath.startsWith("~/")) { - return homedir() + filePath.slice(1); - } - return filePath; -} - -/** - * Process @file arguments into text content and image attachments - */ -function processFileArguments(fileArgs: string[]): { textContent: string; imageAttachments: Attachment[] } { - let textContent = ""; - const imageAttachments: Attachment[] = []; - - for (const fileArg of fileArgs) { - // Expand and resolve path - const expandedPath = expandPath(fileArg); - const absolutePath = resolve(expandedPath); - - // Check if file exists - if (!existsSync(absolutePath)) { - console.error(chalk.red(`Error: File not found: ${absolutePath}`)); - process.exit(1); - } - - // Check if file is empty - const stats = statSync(absolutePath); - if (stats.size === 0) { - // Skip empty files - continue; - } - - const mimeType = isImageFile(absolutePath); - - if (mimeType) { - // Handle image file - const content = readFileSync(absolutePath); - const base64Content = content.toString("base64"); - - const attachment: Attachment = { - id: `file-${Date.now()}-${Math.random().toString(36).slice(2, 9)}`, - type: "image", - fileName: absolutePath.split("/").pop() || absolutePath, - mimeType, - size: stats.size, - content: base64Content, - }; - - imageAttachments.push(attachment); - - // Add text reference to image - textContent += `\n`; - } else { - // Handle text file - try { - const content = readFileSync(absolutePath, "utf-8"); - textContent += `\n${content}\n\n`; - } catch (error: any) { - console.error(chalk.red(`Error: Could not read file ${absolutePath}: ${error.message}`)); - process.exit(1); - } - } - } - - return { textContent, imageAttachments }; -} - -function printHelp() { - console.log(`${chalk.bold(APP_NAME)} - AI coding assistant with read, bash, edit, write tools - -${chalk.bold("Usage:")} - ${APP_NAME} [options] [@files...] [messages...] - -${chalk.bold("Options:")} - --provider Provider name (default: google) - --model Model ID (default: gemini-2.5-flash) - --api-key API key (defaults to env vars) - --system-prompt System prompt (default: coding assistant prompt) - --append-system-prompt Append text or file contents to the system prompt - --mode Output mode: text (default), json, or rpc - --print, -p Non-interactive mode: process prompt and exit - --continue, -c Continue previous session - --resume, -r Select a session to resume - --session Use specific session file - --no-session Don't save session (ephemeral) - --models Comma-separated model patterns for quick cycling with Ctrl+P - --tools Comma-separated list of tools to enable (default: read,bash,edit,write) - Available: read, bash, edit, write, grep, find, ls - --thinking Set thinking level: off, minimal, low, medium, high, xhigh - --export Export session file to HTML and exit - --help, -h Show this help - -${chalk.bold("Examples:")} - # Interactive mode - ${APP_NAME} - - # Interactive mode with initial prompt - ${APP_NAME} "List all .ts files in src/" - - # Include files in initial message - ${APP_NAME} @prompt.md @image.png "What color is the sky?" - - # Non-interactive mode (process and exit) - ${APP_NAME} -p "List all .ts files in src/" - - # Multiple messages (interactive) - ${APP_NAME} "Read package.json" "What dependencies do we have?" - - # Continue previous session - ${APP_NAME} --continue "What did we discuss?" - - # Use different model - ${APP_NAME} --provider openai --model gpt-4o-mini "Help me refactor this code" - - # Limit model cycling to specific models - ${APP_NAME} --models claude-sonnet,claude-haiku,gpt-4o - - # Cycle models with fixed thinking levels - ${APP_NAME} --models sonnet:high,haiku:low - - # Start with a specific thinking level - ${APP_NAME} --thinking high "Solve this complex problem" - - # Read-only mode (no file modifications possible) - ${APP_NAME} --tools read,grep,find,ls -p "Review the code in src/" - - # Export a session file to HTML - ${APP_NAME} --export ~/${CONFIG_DIR_NAME}/agent/sessions/--path--/session.jsonl - ${APP_NAME} --export session.jsonl output.html - -${chalk.bold("Environment Variables:")} - ANTHROPIC_API_KEY - Anthropic Claude API key - ANTHROPIC_OAUTH_TOKEN - Anthropic OAuth token (alternative to API key) - OPENAI_API_KEY - OpenAI GPT API key - GEMINI_API_KEY - Google Gemini API key - GROQ_API_KEY - Groq API key - CEREBRAS_API_KEY - Cerebras API key - XAI_API_KEY - xAI Grok API key - OPENROUTER_API_KEY - OpenRouter API key - ZAI_API_KEY - ZAI API key - ${ENV_AGENT_DIR.padEnd(23)} - Session storage directory (default: ~/${CONFIG_DIR_NAME}/agent) - -${chalk.bold("Available Tools (default: read, bash, edit, write):")} - read - Read file contents - bash - Execute bash commands - edit - Edit files with find/replace - write - Write files (creates/overwrites) - grep - Search file contents (read-only, off by default) - find - Find files by glob pattern (read-only, off by default) - ls - List directory contents (read-only, off by default) -`); -} - -// Tool descriptions for system prompt -const toolDescriptions: Record = { - read: "Read file contents", - bash: "Execute bash commands (ls, grep, find, etc.)", - edit: "Make surgical edits to files (find exact text and replace)", - write: "Create or overwrite files", - grep: "Search file contents for patterns (respects .gitignore)", - find: "Find files by glob pattern (respects .gitignore)", - ls: "List directory contents", -}; - -function resolvePromptInput(input: string | undefined, description: string): string | undefined { - if (!input) { - return undefined; - } - - if (existsSync(input)) { - try { - return readFileSync(input, "utf-8"); - } catch (error) { - console.error(chalk.yellow(`Warning: Could not read ${description} file ${input}: ${error}`)); - return input; - } - } - - return input; -} - -function buildSystemPrompt(customPrompt?: string, selectedTools?: ToolName[], appendSystemPrompt?: string): string { - const resolvedCustomPrompt = resolvePromptInput(customPrompt, "system prompt"); - const resolvedAppendPrompt = resolvePromptInput(appendSystemPrompt, "append system prompt"); - - const now = new Date(); - const dateTime = now.toLocaleString("en-US", { - weekday: "long", - year: "numeric", - month: "long", - day: "numeric", - hour: "2-digit", - minute: "2-digit", - second: "2-digit", - timeZoneName: "short", - }); - - const appendSection = resolvedAppendPrompt ? `\n\n${resolvedAppendPrompt}` : ""; - - if (resolvedCustomPrompt) { - let prompt = resolvedCustomPrompt; - - if (appendSection) { - prompt += appendSection; - } - - // Append project context files - const contextFiles = loadProjectContextFiles(); - if (contextFiles.length > 0) { - prompt += "\n\n# Project Context\n\n"; - prompt += "The following project context files have been loaded:\n\n"; - for (const { path: filePath, content } of contextFiles) { - prompt += `## ${filePath}\n\n${content}\n\n`; - } - } - - // Add date/time and working directory last - prompt += `\nCurrent date and time: ${dateTime}`; - prompt += `\nCurrent working directory: ${process.cwd()}`; - - return prompt; - } - - // Get absolute path to README.md - const readmePath = getReadmePath(); - - // Build tools list based on selected tools - const tools = selectedTools || (["read", "bash", "edit", "write"] as ToolName[]); - const toolsList = tools.map((t) => `- ${t}: ${toolDescriptions[t]}`).join("\n"); - - // Build guidelines based on which tools are actually available - const guidelinesList: string[] = []; - - const hasBash = tools.includes("bash"); - const hasEdit = tools.includes("edit"); - const hasWrite = tools.includes("write"); - const hasGrep = tools.includes("grep"); - const hasFind = tools.includes("find"); - const hasLs = tools.includes("ls"); - const hasRead = tools.includes("read"); - - // Read-only mode notice (no bash, edit, or write) - if (!hasBash && !hasEdit && !hasWrite) { - guidelinesList.push("You are in READ-ONLY mode - you cannot modify files or execute arbitrary commands"); - } - - // Bash without edit/write = read-only bash mode - if (hasBash && !hasEdit && !hasWrite) { - guidelinesList.push( - "Use bash ONLY for read-only operations (git log, gh issue view, curl, etc.) - do NOT modify any files", - ); - } - - // File exploration guidelines - if (hasBash && !hasGrep && !hasFind && !hasLs) { - guidelinesList.push("Use bash for file operations like ls, grep, find"); - } else if (hasBash && (hasGrep || hasFind || hasLs)) { - guidelinesList.push("Prefer grep/find/ls tools over bash for file exploration (faster, respects .gitignore)"); - } - - // Read before edit guideline - if (hasRead && hasEdit) { - guidelinesList.push("Use read to examine files before editing"); - } - - // Edit guideline - if (hasEdit) { - guidelinesList.push("Use edit for precise changes (old text must match exactly)"); - } - - // Write guideline - if (hasWrite) { - guidelinesList.push("Use write only for new files or complete rewrites"); - } - - // Output guideline (only when actually writing/executing) - if (hasEdit || hasWrite) { - guidelinesList.push( - "When summarizing your actions, output plain text directly - do NOT use cat or bash to display what you did", - ); - } - - // Always include these - guidelinesList.push("Be concise in your responses"); - guidelinesList.push("Show file paths clearly when working with files"); - - const guidelines = guidelinesList.map((g) => `- ${g}`).join("\n"); - - let prompt = `You are an expert coding assistant. You help users with coding tasks by reading files, executing commands, editing code, and writing new files. - -Available tools: -${toolsList} - -Guidelines: -${guidelines} - -Documentation: -- Your own documentation (including custom model setup and theme creation) is at: ${readmePath} -- Read it when users ask about features, configuration, or setup, and especially if the user asks you to add a custom model or provider, or create a custom theme.`; - - if (appendSection) { - prompt += appendSection; - } - - // Append project context files - const contextFiles = loadProjectContextFiles(); - if (contextFiles.length > 0) { - prompt += "\n\n# Project Context\n\n"; - prompt += "The following project context files have been loaded:\n\n"; - for (const { path: filePath, content } of contextFiles) { - prompt += `## ${filePath}\n\n${content}\n\n`; - } - } - - // Add date/time and working directory last - prompt += `\nCurrent date and time: ${dateTime}`; - prompt += `\nCurrent working directory: ${process.cwd()}`; - - return prompt; -} - -/** - * Look for AGENTS.md or CLAUDE.md in a directory (prefers AGENTS.md) - */ -function loadContextFileFromDir(dir: string): { path: string; content: string } | null { - const candidates = ["AGENTS.md", "CLAUDE.md"]; - for (const filename of candidates) { - const filePath = join(dir, filename); - if (existsSync(filePath)) { - try { - return { - path: filePath, - content: readFileSync(filePath, "utf-8"), - }; - } catch (error) { - console.error(chalk.yellow(`Warning: Could not read ${filePath}: ${error}`)); - } - } - } - return null; -} - -/** - * Load all project context files in order: - * 1. Global: ~/{CONFIG_DIR_NAME}/agent/AGENTS.md or CLAUDE.md - * 2. Parent directories (top-most first) down to cwd - * Each returns {path, content} for separate messages - */ -function loadProjectContextFiles(): Array<{ path: string; content: string }> { - const contextFiles: Array<{ path: string; content: string }> = []; - - // 1. Load global context from ~/{CONFIG_DIR_NAME}/agent/ - const globalContextDir = getAgentDir(); - const globalContext = loadContextFileFromDir(globalContextDir); - if (globalContext) { - contextFiles.push(globalContext); - } - - // 2. Walk up from cwd to root, collecting all context files - const cwd = process.cwd(); - const ancestorContextFiles: Array<{ path: string; content: string }> = []; - - let currentDir = cwd; - const root = resolve("/"); - - while (true) { - const contextFile = loadContextFileFromDir(currentDir); - if (contextFile) { - // Add to beginning so we get top-most parent first - ancestorContextFiles.unshift(contextFile); - } - - // Stop if we've reached root - if (currentDir === root) break; - - // Move up one directory - const parentDir = resolve(currentDir, ".."); - if (parentDir === currentDir) break; // Safety check - currentDir = parentDir; - } - - // Add ancestor files in order (top-most → cwd) - contextFiles.push(...ancestorContextFiles); - - return contextFiles; -} - +/** Check npm registry for new version (non-blocking) */ async function checkForNewVersion(currentVersion: string): Promise { try { const response = await fetch("https://registry.npmjs.org/@mariozechner/pi-coding-agent/latest"); @@ -568,170 +37,20 @@ async function checkForNewVersion(currentVersion: string): Promise; thinkingLevel: ThinkingLevel }>> { - const { models: availableModels, error } = await getAvailableModels(); - - if (error) { - console.warn(chalk.yellow(`Warning: Error loading models: ${error}`)); - return []; - } - - const scopedModels: Array<{ model: Model; thinkingLevel: ThinkingLevel }> = []; - - for (const pattern of patterns) { - // Parse pattern:level format - const parts = pattern.split(":"); - const modelPattern = parts[0]; - let thinkingLevel: ThinkingLevel = "off"; - - if (parts.length > 1) { - const level = parts[1]; - if ( - level === "off" || - level === "minimal" || - level === "low" || - level === "medium" || - level === "high" || - level === "xhigh" - ) { - thinkingLevel = level; - } else { - console.warn( - chalk.yellow(`Warning: Invalid thinking level "${level}" in pattern "${pattern}". Using "off" instead.`), - ); - } - } - - // Check for provider/modelId format (provider is everything before the first /) - const slashIndex = modelPattern.indexOf("/"); - if (slashIndex !== -1) { - const provider = modelPattern.substring(0, slashIndex); - const modelId = modelPattern.substring(slashIndex + 1); - const providerMatch = availableModels.find( - (m) => m.provider.toLowerCase() === provider.toLowerCase() && m.id.toLowerCase() === modelId.toLowerCase(), - ); - if (providerMatch) { - if ( - !scopedModels.find( - (sm) => sm.model.id === providerMatch.id && sm.model.provider === providerMatch.provider, - ) - ) { - scopedModels.push({ model: providerMatch, thinkingLevel }); - } - continue; - } - // No exact provider/model match - fall through to other matching - } - - // Check for exact ID match (case-insensitive) - const exactMatch = availableModels.find((m) => m.id.toLowerCase() === modelPattern.toLowerCase()); - if (exactMatch) { - // Exact match found - use it directly - if (!scopedModels.find((sm) => sm.model.id === exactMatch.id && sm.model.provider === exactMatch.provider)) { - scopedModels.push({ model: exactMatch, thinkingLevel }); - } - continue; - } - - // No exact match - fall back to partial matching - const matches = availableModels.filter( - (m) => - m.id.toLowerCase().includes(modelPattern.toLowerCase()) || - m.name?.toLowerCase().includes(modelPattern.toLowerCase()), - ); - - if (matches.length === 0) { - console.warn(chalk.yellow(`Warning: No models match pattern "${modelPattern}"`)); - continue; - } - - // Helper to check if a model ID looks like an alias (no date suffix) - // Dates are typically in format: -20241022 or -20250929 - const isAlias = (id: string): boolean => { - // Check if ID ends with -latest - if (id.endsWith("-latest")) return true; - - // Check if ID ends with a date pattern (-YYYYMMDD) - const datePattern = /-\d{8}$/; - return !datePattern.test(id); - }; - - // Separate into aliases and dated versions - const aliases = matches.filter((m) => isAlias(m.id)); - const datedVersions = matches.filter((m) => !isAlias(m.id)); - - let bestMatch: Model; - - if (aliases.length > 0) { - // Prefer alias - if multiple aliases, pick the one that sorts highest - aliases.sort((a, b) => b.id.localeCompare(a.id)); - bestMatch = aliases[0]; - } else { - // No alias found, pick latest dated version - datedVersions.sort((a, b) => b.id.localeCompare(a.id)); - bestMatch = datedVersions[0]; - } - - // Avoid duplicates - if (!scopedModels.find((sm) => sm.model.id === bestMatch.id && sm.model.provider === bestMatch.provider)) { - scopedModels.push({ model: bestMatch, thinkingLevel }); - } - } - - return scopedModels; -} - -async function selectSession(sessionManager: SessionManager): Promise { - return new Promise((resolve) => { - const ui = new TUI(new ProcessTerminal()); - let resolved = false; - - const selector = new SessionSelectorComponent( - sessionManager, - (path: string) => { - if (!resolved) { - resolved = true; - ui.stop(); - resolve(path); - } - }, - () => { - if (!resolved) { - resolved = true; - ui.stop(); - resolve(null); - } - }, - ); - - ui.addChild(selector); - ui.setFocus(selector.getSessionList()); - ui.start(); - }); -} - +/** Run interactive mode with TUI */ async function runInteractiveMode( session: AgentSession, version: string, - changelogMarkdown: string | null = null, - modelFallbackMessage: string | null = null, + changelogMarkdown: string | null, + modelFallbackMessage: string | null, versionCheckPromise: Promise, - initialMessages: string[] = [], + initialMessages: string[], initialMessage?: string, initialAttachments?: Attachment[], fdPath: string | null = null, @@ -790,6 +109,32 @@ async function runInteractiveMode( } } +/** Prepare initial message from @file arguments */ +function prepareInitialMessage(parsed: Args): { + initialMessage?: string; + initialAttachments?: Attachment[]; +} { + if (parsed.fileArgs.length === 0) { + return {}; + } + + const { textContent, imageAttachments } = processFileArguments(parsed.fileArgs); + + // Combine file content with first plain text message (if any) + let initialMessage: string; + if (parsed.messages.length > 0) { + initialMessage = textContent + parsed.messages[0]; + parsed.messages.shift(); // Remove first message as it's been combined + } else { + initialMessage = textContent; + } + + return { + initialMessage, + initialAttachments: imageAttachments.length > 0 ? imageAttachments : undefined, + }; +} + export async function main(args: string[]) { const parsed = parseArgs(args); @@ -801,13 +146,13 @@ export async function main(args: string[]) { // Handle --export flag: convert session file to HTML and exit if (parsed.export) { try { - // Use first message as output path if provided const outputPath = parsed.messages.length > 0 ? parsed.messages[0] : undefined; const result = exportFromFile(parsed.export, outputPath); console.log(`Exported to: ${result}`); return; - } catch (error: any) { - console.error(chalk.red(`Error: ${error.message || "Failed to export session"}`)); + } catch (error: unknown) { + const message = error instanceof Error ? error.message : "Failed to export session"; + console.error(chalk.red(`Error: ${message}`)); process.exit(1); } } @@ -818,23 +163,8 @@ export async function main(args: string[]) { process.exit(1); } - // Process @file arguments if any - let initialMessage: string | undefined; - let initialAttachments: Attachment[] | undefined; - - if (parsed.fileArgs.length > 0) { - const { textContent, imageAttachments } = processFileArguments(parsed.fileArgs); - - // Combine file content with first plain text message (if any) - if (parsed.messages.length > 0) { - initialMessage = textContent + parsed.messages[0]; - parsed.messages.shift(); // Remove first message as it's been combined - } else { - initialMessage = textContent; - } - - initialAttachments = imageAttachments.length > 0 ? imageAttachments : undefined; - } + // Process @file arguments + const { initialMessage, initialAttachments } = prepareInitialMessage(parsed); // Initialize theme (before any TUI rendering) const settingsManager = new SettingsManager(); @@ -844,7 +174,6 @@ export async function main(args: string[]) { // Setup session manager const sessionManager = new SessionManager(parsed.continue && !parsed.resume, parsed.session); - // Disable session saving if --no-session flag is set if (parsed.noSession) { sessionManager.disable(); } @@ -856,104 +185,35 @@ export async function main(args: string[]) { console.log(chalk.dim("No session selected")); return; } - // Set the selected session as the active session sessionManager.setSessionFile(selectedSession); } - // Resolve model scope early if provided (needed for initial model selection) - let scopedModels: Array<{ model: Model; thinkingLevel: ThinkingLevel }> = []; + // Resolve model scope early if provided + let scopedModels: ScopedModel[] = []; if (parsed.models && parsed.models.length > 0) { scopedModels = await resolveModelScope(parsed.models); } - // Determine initial model using priority system: - // 1. CLI args (--provider and --model) - // 2. First model from --models scope - // 3. Restored from session (if --continue or --resume) - // 4. Saved default from settings.json - // 5. First available model with valid API key - // 6. null (allowed in interactive mode) - let initialModel: Model | null = null; - let initialThinking: ThinkingLevel = "off"; - - if (parsed.provider && parsed.model) { - // 1. CLI args take priority - const { model, error } = findModel(parsed.provider, parsed.model); - if (error) { - console.error(chalk.red(error)); - process.exit(1); - } - if (!model) { - console.error(chalk.red(`Model ${parsed.provider}/${parsed.model} not found`)); - process.exit(1); - } - initialModel = model; - } else if (scopedModels.length > 0 && !parsed.continue && !parsed.resume) { - // 2. Use first model from --models scope (skip if continuing/resuming session) - initialModel = scopedModels[0].model; - initialThinking = scopedModels[0].thinkingLevel; - } else if (parsed.continue || parsed.resume) { - // 3. Restore from session (will be handled below after loading session) - // Leave initialModel as null for now - } - - if (!initialModel) { - // 3. Try saved default from settings - const defaultProvider = settingsManager.getDefaultProvider(); - const defaultModel = settingsManager.getDefaultModel(); - if (defaultProvider && defaultModel) { - const { model, error } = findModel(defaultProvider, defaultModel); - if (error) { - console.error(chalk.red(error)); - process.exit(1); - } - initialModel = model; - - // Also load saved thinking level if we're using saved model - const savedThinking = settingsManager.getDefaultThinkingLevel(); - if (savedThinking) { - initialThinking = savedThinking; - } - } - } - - if (!initialModel) { - // 4. Try first available model with valid API key - // Prefer default model for each provider if available - const { models: availableModels, error } = await getAvailableModels(); - - if (error) { - console.error(chalk.red(error)); - process.exit(1); - } - - if (availableModels.length > 0) { - // Try to find a default model from known providers - for (const provider of Object.keys(defaultModelPerProvider) as KnownProvider[]) { - const defaultModelId = defaultModelPerProvider[provider]; - const match = availableModels.find((m) => m.provider === provider && m.id === defaultModelId); - if (match) { - initialModel = match; - break; - } - } - - // If no default found, use first available - if (!initialModel) { - initialModel = availableModels[0]; - } - } - } - - // Determine mode early to know if we should print messages and fail early - // Interactive mode: no --print flag and no --mode flag - // Having initial messages doesn't make it non-interactive anymore + // Determine mode and output behavior const isInteractive = !parsed.print && parsed.mode === undefined; const mode = parsed.mode || "text"; - // Only print informational messages in interactive mode - // Non-interactive modes (-p, --mode json, --mode rpc) should be silent except for output const shouldPrintMessages = isInteractive; + // Find initial model + let initialModel = await findInitialModelForSession(parsed, scopedModels, settingsManager); + let initialThinking: ThinkingLevel = "off"; + + // Get thinking level from scoped models if applicable + if (scopedModels.length > 0 && !parsed.continue && !parsed.resume) { + initialThinking = scopedModels[0].thinkingLevel; + } else { + // Try saved thinking level + const savedThinking = settingsManager.getDefaultThinkingLevel(); + if (savedThinking) { + initialThinking = savedThinking; + } + } + // Non-interactive mode: fail early if no model available if (!isInteractive && !initialModel) { console.error(chalk.red("No models available.")); @@ -972,80 +232,34 @@ export async function main(args: string[]) { } } + // Build system prompt const systemPrompt = buildSystemPrompt(parsed.systemPrompt, parsed.tools, parsed.appendSystemPrompt); - // Load previous messages if continuing or resuming - // This may update initialModel if restoring from session + // Handle session restoration + let modelFallbackMessage: string | null = null; + if (parsed.continue || parsed.resume) { - // Load and restore model (overrides initialModel if found and has API key) const savedModel = sessionManager.loadModel(); if (savedModel) { - const { model: restoredModel, error } = findModel(savedModel.provider, savedModel.modelId); + const result = await restoreModelFromSession( + savedModel.provider, + savedModel.modelId, + initialModel, + shouldPrintMessages, + ); - if (error) { - console.error(chalk.red(error)); - process.exit(1); + if (result.model) { + initialModel = result.model; } + modelFallbackMessage = result.fallbackMessage; + } - // Check if restored model exists and has a valid API key - const hasApiKey = restoredModel ? !!(await getApiKeyForModel(restoredModel)) : false; - - if (restoredModel && hasApiKey) { - initialModel = restoredModel; - if (shouldPrintMessages) { - console.log(chalk.dim(`Restored model: ${savedModel.provider}/${savedModel.modelId}`)); - } - } else { - // Model not found or no API key - fall back to default selection - const reason = !restoredModel ? "model no longer exists" : "no API key available"; - - if (shouldPrintMessages) { - console.error( - chalk.yellow( - `Warning: Could not restore model ${savedModel.provider}/${savedModel.modelId} (${reason}).`, - ), - ); - } - - // Ensure we have a valid model - use the same fallback logic - if (!initialModel) { - const { models: availableModels, error: availableError } = await getAvailableModels(); - if (availableError) { - console.error(chalk.red(availableError)); - process.exit(1); - } - if (availableModels.length > 0) { - // Try to find a default model from known providers - for (const provider of Object.keys(defaultModelPerProvider) as KnownProvider[]) { - const defaultModelId = defaultModelPerProvider[provider]; - const match = availableModels.find((m) => m.provider === provider && m.id === defaultModelId); - if (match) { - initialModel = match; - break; - } - } - - // If no default found, use first available - if (!initialModel) { - initialModel = availableModels[0]; - } - - if (initialModel && shouldPrintMessages) { - console.log(chalk.dim(`Falling back to: ${initialModel.provider}/${initialModel.id}`)); - } - } else { - // No models available at all - if (shouldPrintMessages) { - console.error(chalk.red("\nNo models available.")); - console.error(chalk.yellow("Set an API key environment variable:")); - console.error(" ANTHROPIC_API_KEY, OPENAI_API_KEY, GEMINI_API_KEY, etc."); - console.error(chalk.yellow(`\nOr create ${getModelsPath()}`)); - } - process.exit(1); - } - } else if (shouldPrintMessages) { - console.log(chalk.dim(`Falling back to: ${initialModel.provider}/${initialModel.id}`)); - } + // Load and restore thinking level + const thinkingLevel = sessionManager.loadThinkingLevel() as ThinkingLevel; + if (thinkingLevel) { + initialThinking = thinkingLevel; + if (shouldPrintMessages) { + console.log(chalk.dim(`Restored thinking level: ${thinkingLevel}`)); } } } @@ -1058,30 +272,27 @@ export async function main(args: string[]) { // Determine which tools to use const selectedTools = parsed.tools ? parsed.tools.map((name) => allTools[name]) : codingTools; - // Create agent (initialModel can be null in interactive mode) + // Create agent const agent = new Agent({ initialState: { systemPrompt, - model: initialModel as any, // Can be null + model: initialModel as any, // Can be null in interactive mode thinkingLevel: initialThinking, tools: selectedTools, }, messageTransformer, queueMode: settingsManager.getQueueMode(), transport: new ProviderTransport({ - // Dynamic API key lookup based on current model's provider getApiKey: async () => { const currentModel = agent.state.model; if (!currentModel) { throw new Error("No model selected"); } - // Try CLI override first if (parsed.apiKey) { return parsed.apiKey; } - // Use model-specific key lookup const key = await getApiKeyForModel(currentModel); if (!key) { throw new Error( @@ -1093,48 +304,20 @@ export async function main(args: string[]) { }), }); - // If initial thinking was requested but model doesn't support it, silently reset to off + // If initial thinking was requested but model doesn't support it, reset to off if (initialThinking !== "off" && initialModel && !initialModel.reasoning) { agent.setThinkingLevel("off"); } - // Track if we had to fall back from saved model (to show in chat later) - let modelFallbackMessage: string | null = null; - // Load previous messages if continuing or resuming if (parsed.continue || parsed.resume) { const messages = sessionManager.loadMessages(); if (messages.length > 0) { agent.replaceMessages(messages); } - - // Load and restore thinking level - const thinkingLevel = sessionManager.loadThinkingLevel() as ThinkingLevel; - if (thinkingLevel) { - agent.setThinkingLevel(thinkingLevel); - if (shouldPrintMessages) { - console.log(chalk.dim(`Restored thinking level: ${thinkingLevel}`)); - } - } - - // Check if we had to fall back from saved model - const savedModel = sessionManager.loadModel(); - if (savedModel && initialModel) { - const savedMatches = initialModel.provider === savedModel.provider && initialModel.id === savedModel.modelId; - if (!savedMatches) { - const { model: restoredModel, error } = findModel(savedModel.provider, savedModel.modelId); - if (error) { - // Config error - already shown above, just use generic message - modelFallbackMessage = `Could not restore model ${savedModel.provider}/${savedModel.modelId}. Using ${initialModel.provider}/${initialModel.id}.`; - } else { - const reason = !restoredModel ? "model no longer exists" : "no API key available"; - modelFallbackMessage = `Could not restore model ${savedModel.provider}/${savedModel.modelId} (${reason}). Using ${initialModel.provider}/${initialModel.id}.`; - } - } - } } - // Log loaded context files (they're already in the system prompt) + // Log loaded context files if (shouldPrintMessages && !parsed.continue && !parsed.resume) { const contextFiles = loadProjectContextFiles(); if (contextFiles.length > 0) { @@ -1145,51 +328,27 @@ export async function main(args: string[]) { } } - // Create AgentSession for non-interactive modes - + // Load file commands for slash command expansion const fileCommands = loadSlashCommands(); + // Create session + const session = new AgentSession({ + agent, + sessionManager, + settingsManager, + scopedModels, + fileCommands, + }); + // Route to appropriate mode if (mode === "rpc") { - // RPC mode - headless operation - const session = new AgentSession({ - agent, - sessionManager, - settingsManager, - scopedModels, - fileCommands, - }); await runRpcMode(session); } else if (isInteractive) { - // Check for new version in the background (don't block startup) + // Check for new version in the background const versionCheckPromise = checkForNewVersion(VERSION).catch(() => null); - // Check if we should show changelog (only in interactive mode, only for new sessions) - let changelogMarkdown: string | null = null; - if (!parsed.continue && !parsed.resume) { - const lastVersion = settingsManager.getLastChangelogVersion(); - - // Check if we need to show changelog - if (!lastVersion) { - // First run - show all entries - const changelogPath = getChangelogPath(); - const entries = parseChangelog(changelogPath); - if (entries.length > 0) { - changelogMarkdown = entries.map((e) => e.content).join("\n\n"); - settingsManager.setLastChangelogVersion(VERSION); - } - } else { - // Parse current and last versions - const changelogPath = getChangelogPath(); - const entries = parseChangelog(changelogPath); - const newEntries = getNewEntries(entries, lastVersion); - - if (newEntries.length > 0) { - changelogMarkdown = newEntries.map((e) => e.content).join("\n\n"); - settingsManager.setLastChangelogVersion(VERSION); - } - } - } + // Check if we should show changelog + const changelogMarkdown = getChangelogForDisplay(parsed, settingsManager); // Show model scope if provided if (scopedModels.length > 0) { @@ -1205,14 +364,6 @@ export async function main(args: string[]) { // Ensure fd tool is available for file autocomplete const fdPath = await ensureTool("fd"); - // Interactive mode - use TUI (may have initial messages from CLI args) - const session = new AgentSession({ - agent, - sessionManager, - settingsManager, - scopedModels, - fileCommands, - }); await runInteractiveMode( session, VERSION, @@ -1226,13 +377,84 @@ export async function main(args: string[]) { ); } else { // Non-interactive mode (--print flag or --mode flag) - const session = new AgentSession({ - agent, - sessionManager, - settingsManager, - scopedModels, - fileCommands, - }); await runPrintMode(session, mode, parsed.messages, initialMessage, initialAttachments); } } + +/** Find initial model based on CLI args, scoped models, settings, or available models */ +async function findInitialModelForSession(parsed: Args, scopedModels: ScopedModel[], settingsManager: SettingsManager) { + // 1. CLI args take priority + if (parsed.provider && parsed.model) { + const { model, error } = findModel(parsed.provider, parsed.model); + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + if (!model) { + console.error(chalk.red(`Model ${parsed.provider}/${parsed.model} not found`)); + process.exit(1); + } + return model; + } + + // 2. Use first model from scoped models (skip if continuing/resuming) + if (scopedModels.length > 0 && !parsed.continue && !parsed.resume) { + return scopedModels[0].model; + } + + // 3. Try saved default from settings + const defaultProvider = settingsManager.getDefaultProvider(); + const defaultModelId = settingsManager.getDefaultModel(); + if (defaultProvider && defaultModelId) { + const { model, error } = findModel(defaultProvider, defaultModelId); + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + if (model) { + return model; + } + } + + // 4. Try first available model with valid API key + const { models: availableModels, error } = await getAvailableModels(); + + if (error) { + console.error(chalk.red(error)); + process.exit(1); + } + + if (availableModels.length > 0) { + return availableModels[0]; + } + + return null; +} + +/** Get changelog markdown to display (only for new sessions with updates) */ +function getChangelogForDisplay(parsed: Args, settingsManager: SettingsManager): string | null { + if (parsed.continue || parsed.resume) { + return null; + } + + const lastVersion = settingsManager.getLastChangelogVersion(); + const changelogPath = getChangelogPath(); + const entries = parseChangelog(changelogPath); + + if (!lastVersion) { + // First run - show all entries + if (entries.length > 0) { + settingsManager.setLastChangelogVersion(VERSION); + return entries.map((e) => e.content).join("\n\n"); + } + } else { + // Check for new entries since last version + const newEntries = getNewEntries(entries, lastVersion); + if (newEntries.length > 0) { + settingsManager.setLastChangelogVersion(VERSION); + return newEntries.map((e) => e.content).join("\n\n"); + } + } + + return null; +} diff --git a/pi-session-2025-12-08T23-22-21-320Z_0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.html b/pi-session-2025-12-08T23-22-21-320Z_0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.html new file mode 100644 index 00000000..15d4df1f --- /dev/null +++ b/pi-session-2025-12-08T23-22-21-320Z_0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.html @@ -0,0 +1,548 @@ + + + + + + Session Export - 2025-12-08T23-22-21-320Z_0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.jsonl + + + +
+
+

pi v0.14.2

+
+
Session:0db2eb3b-5ed8-4b70-88c6-a3f7104eb251
+
Date:12/9/2025, 12:22:21 AM
+
Models:anthropic/claude-opus-4-5, anthropic/claude-3-opus-20240229, anthropic/claude-opus-4-5-20251101, anthropic/claude-sonnet-4-5, anthropic/claude-sonnet-4-5-20250929
+
+
+ +
+

Messages

+
+
User:41
+
Assistant:382
+
Tool Calls:365
+
+
+ +
+

Tokens & Cost

+
+
Input:3,491 tokens
+
Output:164,430 tokens
+
Cache Read:40,833,616 tokens
+
Cache Write:1,028,101 tokens
+
Total:42,029,638 tokens
+
Input Cost:$0.0175
+
Output Cost:$4.1107
+
Cache Read Cost:$20.4168
+
Cache Write Cost:$6.4256
+
Total Cost:$30.9706
+
Context Usage:124,527 / 200,000 tokens (62.3%) - anthropic/claude-opus-4-5
+
+
+ +
+
System Prompt
+
You are an expert coding assistant. You help users with coding tasks by reading files, executing commands, editing code, and writing new files. + +Available tools: +- read: Read file contents +- bash: Execute bash commands (ls, grep, find, etc.) +- edit: Make surgical edits to files (find exact text and replace) +- write: Create or overwrite files + +Guidelines: +- Use bash for file operations like ls, grep, find +- Use read to examine files before editing +- Use edit for precise changes (old text must match exactly) +- Use write only for new files or complete rewrites +- When summarizing your actions, output plain text directly - do NOT use cat or bash to display what you did +- Be concise in your responses +- Show file paths clearly when working with files + +Documentation: +- Your own documentation (including custom model setup and theme creation) is at: /Users/badlogic/workspaces/pi-mono/packages/coding-agent/README.md +- Read it when users ask about features, configuration, or setup, and especially if the user asks you to add a custom model or provider, or create a custom theme. + +# Project Context + +The following project context files have been loaded: + +## /Users/badlogic/.pi/agent/AGENTS.md + +## Behavior +- Do NOT start implementing, designing, or modifying code unless explicitly asked +- When user mentions an issue or topic, just summarize/discuss it - don't jump into action +- Wait for explicit instructions like "implement this", "fix this", "create this" +- When drafting content for files (blog posts, documentation, etc.), apply changes directly without asking for confirmation + +## Writing Style +- NEVER use em dashes (—), en dashes, or hyphens surrounded by spaces as sentence interrupters +- Restructure sentences instead: use periods, commas, or parentheses +- No flowery language, no "I'd be happy to", no "Great question!" +- Be direct and technical + +## Additional tools +There are additional command line tools you can use in ~/agent-tools/. To use the tools, read the README.md file in the respective sub directory + +- ~/agent-tools/brave-search/README.md: Brave search and content extraction. Great for searching documentation or facts. +- ~/agent-tools/browser-tools/README.md: interactive browser automation (requires visible Chrome). Great for testing frontend code or when user interaction is needed. +- ~/agent-tools/vscode/README.md: tools to interact with Visual Studio code, e.g. open a diff for a user. +- gmcli: Gmail CLI for searching, reading, and sending emails. Run `gmcli --help` for usage. + + +## /Users/badlogic/workspaces/pi-mono/AGENTS.md + +# Development Rules + +## First Message +If the user did not give you a concrete task in their first message, +read README.md, then ask which module(s) to work on. Based on the answer, read the relevant README.md files in parallel. +- packages/ai/README.md +- packages/tui/README.md +- packages/agent/README.md +- packages/coding-agent/README.md +- packages/mom/README.md +- packages/pods/README.md +- packages/web-ui/README.md + +## Code Quality +- No `any` types unless absolutely necessary +- Check node_modules for external API type definitions instead of guessing +- No inline imports like `await import("./foo.js")` + +## Commands +- After code changes: `npm run check` (get full output, no tail) +- NEVER run: `npm run dev`, `npm run build` +- NEVER commit unless user asks + +## GitHub Issues + +When creating issues: +- Add `pkg:*` labels to indicate which package(s) the issue affects + - Available labels: `pkg:agent`, `pkg:ai`, `pkg:coding-agent`, `pkg:mom`, `pkg:pods`, `pkg:proxy`, `pkg:tui`, `pkg:web-ui` +- If an issue spans multiple packages, add all relevant labels + +When closing issues via commit: +- Include `fixes #<number>` or `closes #<number>` in the commit message +- This automatically closes the issue when the commit is merged + +## Tools +- GitHub CLI for issues/PRs +- Add package labels to issues/PRs: pkg:agent, pkg:ai, pkg:coding-agent, pkg:mom, pkg:pods, pkg:proxy, pkg:tui, pkg:web-ui +- Browser tools (~/agent-tools/browser-tools/README.md): browser automation for frontend testing, web searches, fetching documentation +- TUI interaction: use tmux + +## Style +- Keep answers short and concise +- No emojis in commits, issues, PR comments, or code +- No fluff or cheerful filler text +- Technical prose only, be kind but direct (e.g., "Thanks @user" not "Thanks so much @user!") + +## Changelog +- New entries ALWAYS go under `## [Unreleased]` section +- NEVER modify already-released version sections (e.g., `## [0.12.2]`) +- Each version section is immutable once released +- When releasing: rename `[Unreleased]` to the new version, then add a fresh empty `[Unreleased]` section + +## Releasing + +1. **Bump version** (all packages use lockstep versioning): + ```bash + npm run version:patch # For bug fixes + npm run version:minor # For new features + npm run version:major # For breaking changes + ``` + +2. **Finalize CHANGELOG.md**: Change `[Unreleased]` to the new version with today's date (e.g., `## [0.12.12] - 2025-12-05`) + +3. **Commit and tag**: + ```bash + git add . + git commit -m "Release v0.12.12" + git tag v0.12.12 + git push origin main + git push origin v0.12.12 + ``` + +4. **Publish to npm**: + ```bash + npm run publish + ``` + +5. **Add new [Unreleased] section** at top of CHANGELOG.md for next cycle, commit it + + + +Current date and time: Tuesday, December 9, 2025 at 01:12:35 AM GMT+1 +Current working directory: /Users/badlogic/workspaces/pi-mono
+
+
+
Available Tools
+
+
read - Read the contents of a file. Supports text files and images (jpg, png, gif, webp). Images are sent as attachments. For text files, output is truncated to 2000 lines or 50KB (whichever is hit first). Use offset/limit for large files.
bash - Execute a bash command in the current working directory. Returns stdout and stderr. Output is truncated to last 2000 lines or 50KB (whichever is hit first). If truncated, full output is saved to a temp file. Optionally provide a timeout in seconds.
edit - Edit a file by replacing exact text. The oldText must match exactly (including whitespace). Use this for precise, surgical edits.
write - Write content to a file. Creates the file if it doesn't exist, overwrites if it does. Automatically creates parent directories.
+
+
+ + +
+
11:41:05 PM
alright, read @packages/coding-agent/src/main.ts @packages/coding-agent/src/tui/tui-renderer.ts in full. i feel like this is one big mess and could be refactored to be nicer. I want you to do a deep analysis, then provide me with a plan on how to untangle this. i'm especially interested in code sharing between the different run modes (print/json, rpc, interactive). it feels like we have a lot of code duplication. for tui-renderer (which is a misnomer imo, should be interactive-mode or something, and should have rpc-mode.ts and print-mode.ts) i'm especially intersted in untangling TUI shit from agent shit if possible. but i'm not sure if that's possible nicely.
11:41:05 PM
read ~/workspaces/pi-mono/packages/coding-agent/src/main.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
11:41:09 PM
Let me get the rest of the tui-renderer file:
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
11:41:13 PM
Now I have a complete picture. Let me do a deep analysis.

## Deep Analysis: `main.ts` and `tui-renderer.ts`

### Overview of the Problem

The code has evolved organically around three distinct run modes:
1. **Interactive mode** (TUI) - full terminal UI experience
2. **Print/JSON mode** (single-shot) - run once and exit, output text or JSON events
3. **RPC mode** - headless, JSON-in/JSON-out, meant for embedding in other apps

The problem is that these modes share a lot of conceptual logic but it's implemented differently in each, leading to:

### Code Duplication Issues

#### 1. **Agent Event Handling**
- `tui-renderer.ts` has `handleEvent()` that subscribes to agent events, saves messages via `sessionManager.saveMessage()`, and handles session initialization
- `runSingleShotMode()` in `main.ts` has its own subscription loop for JSON output
- `runRpcMode()` in `main.ts` has yet another subscription loop doing the same session saving plus JSON output

All three have nearly identical patterns:
```typescript
agent.subscribe((event) => {
// output/render event
if (event.type === "message_end") {
sessionManager.saveMessage(event.message);
// maybe init session
}
});
```

#### 2. **Auto-compaction Logic**
- `tui-renderer.ts` has `checkAutoCompaction()` called after assistant messages
- `runRpcMode()` has duplicate `checkAutoCompaction()` implementation
- `runSingleShotMode()` doesn't do it (maybe intentional?)

#### 3. **Bash Command Execution**
- `tui-renderer.ts` has `executeBashCommand()` with streaming callbacks, temp file handling
- `main.ts` has `executeRpcBashCommand()` which is nearly identical but without streaming

#### 4. **Slash Command Expansion**
- `runInteractiveMode()` calls `expandSlashCommand()` before `agent.prompt()`
- `runSingleShotMode()` calls `expandSlashCommand()` before `agent.prompt()`
- No slash command handling in RPC mode (intentional, but inconsistent)

### Architecture Issues

#### 1. **TuiRenderer is a God Class**
At ~2400 lines, `TuiRenderer` does too much:
- TUI lifecycle management (init, render, event loop)
- Agent event handling and session management
- All slash command implementations (/export, /copy, /session, /changelog, /branch, /login, /logout, /queue, /theme, /clear, /compact, /autocompact, /debug, /resume)
- Bash command execution (!command)
- Model/thinking/theme selection UI
- Message queuing display
- Hotkey handling (Ctrl+C, Ctrl+P, Ctrl+O, Ctrl+T, Shift+Tab, Esc)

#### 2. **Naming**
- `TuiRenderer` doesn't just render, it's the entire interactive mode coordinator
- Should be something like `InteractiveMode` or `TuiController`

#### 3. **Mode-specific code scattered in main.ts**
- `runInteractiveMode()`, `runSingleShotMode()`, `runRpcMode()` are all in `main.ts`
- Model resolution, system prompt building, session loading also in `main.ts`

---

## Refactoring Plan

### Phase 1: Extract Shared Logic into a Core Module

Create `packages/coding-agent/src/core/agent-session.ts`:

```typescript
/**
* Handles agent lifecycle, session persistence, and event routing.
* Shared between all modes.
*/
export class AgentSession {
constructor(
public agent: Agent,
public sessionManager: SessionManager,
public settingsManager: SettingsManager,
) {}

/** Subscribe to agent events, handle session persistence, emit to callback */
subscribe(onEvent: (event: AgentEvent) => void): () => void;

/** Check and perform auto-compaction if enabled */
checkAutoCompaction(): Promise<void>;

/** Execute manual compaction */
compact(customInstructions?: string, signal?: AbortSignal): Promise<CompactionEntry>;

/** Reset agent and session (for /clear) */
reset(): Promise<void>;

/** Branch session from entry index */
branch(entryIndex: number): void;

/** Switch to different session file */
switchSession(sessionPath: string): Promise<void>;
}
```

This consolidates:
- Session saving on `message_end`
- Session initialization check
- Auto-compaction logic
- Manual compaction (currently duplicated between `handleCompactCommand` and RPC)

### Phase 2: Extract Bash Execution into Shared Module

Create `packages/coding-agent/src/core/bash-executor.ts`:

```typescript
export interface BashExecutionResult {
output: string;
exitCode: number | null;
cancelled: boolean;
truncationResult?: TruncationResult;
fullOutputPath?: string;
}

/**
* Execute a bash command with optional streaming and cancellation.
*/
export function executeBash(
command: string,
options?: {
onChunk?: (chunk: string) => void;
signal?: AbortSignal;
}
): Promise<BashExecutionResult>;
```

This replaces:
- `TuiRenderer.executeBashCommand()`
- `executeRpcBashCommand()` in `main.ts`

### Phase 3: Create Mode-Specific Modules

Rename and split:

```
src/modes/
interactive-mode.ts (renamed from tui-renderer.ts)
print-mode.ts (extracted from runSingleShotMode)
rpc-mode.ts (extracted from runRpcMode)
index.ts (exports)
```

Each mode would:
- Take an `AgentSession` instance
- Implement mode-specific I/O
- Use shared `executeBash()` if needed

#### `print-mode.ts` (simple)
```typescript
export async function runPrintMode(
session: AgentSession,
mode: "text" | "json",
messages: string[],
initialMessage?: string,
initialAttachments?: Attachment[],
): Promise<void>;
```

#### `rpc-mode.ts`
```typescript
export async function runRpcMode(session: AgentSession): Promise<never>;
```

#### `interactive-mode.ts` (the big one)

Split `TuiRenderer` into:

1. **InteractiveMode** - orchestrator class
- Owns `TUI`, `AgentSession`
- Main event loop
- Hotkey routing

2. **CommandHandler** - slash command implementations
- Extract all `/` command handlers into a separate class
- Each command is a method: `handleExport()`, `handleCopy()`, etc.

3. **SelectorManager** - modal selector management
- Handles showing/hiding model, thinking, theme, session, branch selectors
- Currently this is a mess of `showXSelector()` / `hideXSelector()` methods

### Phase 4: Simplify main.ts

After extraction, `main.ts` becomes:

```typescript
export async function main(args: string[]) {
const parsed = parseArgs(args);

if (parsed.help) { printHelp(); return; }
if (parsed.export) { handleExport(parsed); return; }

// Shared setup
const { agent, sessionManager, settingsManager } = await setupAgent(parsed);
const session = new AgentSession(agent, sessionManager, settingsManager);

// Route to mode
if (parsed.mode === "rpc") {
await runRpcMode(session);
} else if (parsed.print || parsed.mode) {
await runPrintMode(session, parsed.mode || "text", parsed.messages, ...);
} else {
await runInteractiveMode(session, { version, scopedModels, fdPath, ... });
}
}
```

### Phase 5: Extract Setup Logic

Create `packages/coding-agent/src/core/setup.ts`:

```typescript
export interface SetupResult {
agent: Agent;
sessionManager: SessionManager;
settingsManager: SettingsManager;
initialMessages: Message[];
modelFallbackMessage: string | null;
}

export async function setupAgent(options: SetupOptions): Promise<SetupResult>;
```

This extracts from `main.ts`:
- Model resolution (CLI args → scope → session → settings → fallback)
- System prompt building
- Session loading (for --continue/--resume)
- Thinking level resolution

---

## Summary of Changes

| Current | Proposed |
|---------|----------|
| `main.ts` (1100+ lines) | `main.ts` (~200 lines) + `core/setup.ts` |
| `tui/tui-renderer.ts` (2400 lines) | `modes/interactive-mode.ts` + `interactive/command-handler.ts` + `interactive/selector-manager.ts` |
| `runSingleShotMode()` in main.ts | `modes/print-mode.ts` |
| `runRpcMode()` in main.ts | `modes/rpc-mode.ts` |
| Duplicated bash execution | `core/bash-executor.ts` |
| Duplicated session/compaction logic | `core/agent-session.ts` |

### Benefits

1. **Clear separation of concerns**: Each mode has its own file
2. **No more duplication**: Session management, bash execution, compaction in one place
3. **Testability**: `AgentSession`, `CommandHandler` can be unit tested independently
4. **Maintainability**: Adding a new mode means adding one file, not touching everything
5. **Naming clarity**: `InteractiveMode` instead of `TuiRenderer`

### Risks

1. **Large refactor**: This is a significant change touching core code paths
2. **TUI coupling**: Some slash commands deeply interact with TUI state (selectors, rendering). May need to keep some coupling.
3. **Testing**: Need to manually test all three modes after refactoring

---

What's your take? Want me to proceed with any specific phase, or adjust the plan?
11:45:44 PM
AgentSession looks like a good idea, can we put more stuff into that? what about thinking levels etc.? if we could get rid of the tui coupling then agent session could be resused for all modes, exposing all the things each mode can use
11:45:44 PM
The user wants to expand AgentSession to be more comprehensive - a single abstraction that all three modes can use, containing all the shared agent-related logic. This would include:

1. Agent lifecycle (prompt, abort, reset)
2. Session persistence (save messages, model changes, thinking level changes)
3. Model management (get/set model, cycle models, validate API keys)
4. Thinking level management (get/set, cycle)
5. Compaction (manual and auto)
6. Bash execution (for ! commands)
7. Slash command expansion
8. Session branching/switching

The key insight is that if we can make AgentSession TUI-agnostic, it becomes the shared core for all modes. The modes would then just be thin layers:
- Interactive mode: TUI + AgentSession
- Print mode: stdout + AgentSession
- RPC mode: JSON stdin/stdout + AgentSession

Let me think about what should go into AgentSession and what the API would look like...

Things currently scattered across main.ts and tui-renderer.ts that could be in AgentSession:

From tui-renderer.ts:
- subscribeToAgent() - agent event subscription + session saving
- checkAutoCompaction()
- cycleThinkingLevel() - but this has TUI feedback, need to split
- cycleModel() - same, has TUI feedback
- handleClearCommand() - reset logic
- handleCompactCommand() - compaction logic
- executeCompaction() - shared compaction execution
- handleBashCommand() + executeBashCommand() - bash execution
- handleResumeSession() - session switching
- branch logic in showUserMessageSelector callback

From main.ts:
- runRpcMode's checkAutoCompaction
- executeRpcBashCommand
- Model resolution logic
- Thinking level restoration from session

The key is to separate:
1. **State changes** (AgentSession) - the "what"
2. **UI feedback** (modes) - the "how to show it"


I'll design an API that returns actionable results for different modes to handle. Each method will provide clear, structured information about the state change, allowing flexible UI representation across various interfaces.
Good thinking. Let me expand AgentSession to be a comprehensive, TUI-agnostic abstraction that all modes can use.

## Expanded AgentSession Design

```typescript
// src/core/agent-session.ts

import type { Agent, AgentEvent, AgentState, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { Model, Message } from "@mariozechner/pi-ai";

export interface AgentSessionConfig {
agent: Agent;
sessionManager: SessionManager;
settingsManager: SettingsManager;
scopedModels?: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
}

export interface BashResult {
output: string;
exitCode: number | null;
cancelled: boolean;
truncated: boolean;
fullOutputPath?: string;
}

export interface CompactionResult {
tokensBefore: number;
tokensAfter: number;
summary: string;
}

export interface ModelCycleResult {
model: Model<any>;
thinkingLevel: ThinkingLevel;
isScoped: boolean; // true if cycling within --models scope
}

export interface PromptOptions {
expandSlashCommands?: boolean; // default true
attachments?: Attachment[];
}

/**
* Core agent session management - shared between all modes.
* Handles agent lifecycle, persistence, model/thinking management.
* TUI-agnostic: returns data, doesn't render anything.
*/
export class AgentSession {
readonly agent: Agent;
readonly sessionManager: SessionManager;
readonly settingsManager: SettingsManager;

private scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
private fileCommands: FileSlashCommand[];
private eventListeners: Array<(event: AgentEvent) => void> = [];
private bashAbortController: AbortController | null = null;
private compactionAbortController: AbortController | null = null;

constructor(config: AgentSessionConfig);

// ─────────────────────────────────────────────────────────────
// State Access
// ─────────────────────────────────────────────────────────────

get state(): AgentState;
get model(): Model<any> | null;
get thinkingLevel(): ThinkingLevel;
get isStreaming(): boolean;
get messages(): Message[];
get sessionFile(): string;
get sessionId(): string;

// ─────────────────────────────────────────────────────────────
// Event Subscription
// ─────────────────────────────────────────────────────────────

/**
* Subscribe to agent events. Handles session persistence internally.
* Returns unsubscribe function.
*/
subscribe(listener: (event: AgentEvent) => void): () => void;

// ─────────────────────────────────────────────────────────────
// Prompting
// ─────────────────────────────────────────────────────────────

/**
* Send a prompt to the agent. Expands slash commands by default.
* Validates model and API key before sending.
* Throws if no model or API key.
*/
prompt(text: string, options?: PromptOptions): Promise<void>;

/**
* Queue a message (when agent is streaming).
*/
queueMessage(text: string): Promise<void>;

/**
* Clear queued messages, return them for restoration.
*/
clearQueue(): string[];

/**
* Abort current operation and wait for idle.
*/
abort(): Promise<void>;

/**
* Reset agent and session (start fresh).
*/
reset(): Promise<void>;

// ─────────────────────────────────────────────────────────────
// Model Management
// ─────────────────────────────────────────────────────────────

/**
* Set model directly. Validates API key.
* Saves to session and settings.
* Throws if no API key available.
*/
setModel(model: Model<any>): Promise<void>;

/**
* Cycle to next model (uses scoped models if available).
* Returns the new model info, or null if only one model available.
*/
cycleModel(): Promise<ModelCycleResult | null>;

/**
* Get all available models (with valid API keys).
*/
getAvailableModels(): Promise<Model<any>[]>;

// ─────────────────────────────────────────────────────────────
// Thinking Level Management
// ─────────────────────────────────────────────────────────────

/**
* Set thinking level. Silently uses "off" if model doesn't support it.
* Saves to session and settings.
*/
setThinkingLevel(level: ThinkingLevel): void;

/**
* Cycle to next thinking level.
* Returns new level, or null if model doesn't support thinking.
*/
cycleThinkingLevel(): ThinkingLevel | null;

/**
* Check if current model supports thinking.
*/
supportsThinking(): boolean;

// ─────────────────────────────────────────────────────────────
// Compaction
// ─────────────────────────────────────────────────────────────

/**
* Manually compact the session context.
* Aborts current agent operation first.
*/
compact(customInstructions?: string): Promise<CompactionResult>;

/**
* Cancel in-progress compaction.
*/
abortCompaction(): void;

/**
* Check if auto-compaction should run, and run it if so.
* Called internally after assistant messages.
* Returns result if compaction occurred, null otherwise.
*/
checkAutoCompaction(): Promise<CompactionResult | null>;

/**
* Toggle auto-compaction setting.
*/
setAutoCompactionEnabled(enabled: boolean): void;

get autoCompactionEnabled(): boolean;

// ─────────────────────────────────────────────────────────────
// Bash Execution (for ! commands)
// ─────────────────────────────────────────────────────────────

/**
* Execute a bash command. Adds result to agent context.
* @param onChunk - Optional streaming callback for output
*/
executeBash(command: string, onChunk?: (chunk: string) => void): Promise<BashResult>;

/**
* Cancel running bash command.
*/
abortBash(): void;

/**
* Check if bash command is running.
*/
get isBashRunning(): boolean;

// ─────────────────────────────────────────────────────────────
// Session Management
// ─────────────────────────────────────────────────────────────

/**
* Switch to a different session file.
* Aborts current operation, loads messages, restores model/thinking.
*/
switchSession(sessionPath: string): Promise<void>;

/**
* Create a branch from a specific entry index.
* Returns the text of the selected user message (for editor pre-fill).
*/
branch(entryIndex: number): string;

/**
* Get all user messages from session (for branch selector).
* Returns entries with index and text.
*/
getUserMessagesForBranching(): Array<{ entryIndex: number; text: string }>;

/**
* Get session stats for /session command.
*/
getSessionStats(): SessionStats;

/**
* Export session to HTML.
*/
exportToHtml(outputPath?: string): string;

// ─────────────────────────────────────────────────────────────
// Clipboard
// ─────────────────────────────────────────────────────────────

/**
* Get last assistant message text for /copy.
* Returns null if no assistant message exists.
*/
getLastAssistantText(): string | null;
}

export interface SessionStats {
sessionFile: string;
sessionId: string;
userMessages: number;
assistantMessages: number;
toolCalls: number;
toolResults: number;
totalMessages: number;
tokens: {
input: number;
output: number;
cacheRead: number;
cacheWrite: number;
total: number;
};
cost: number;
}
```

## How Modes Would Use It

### Print Mode (simplest)

```typescript
// src/modes/print-mode.ts

export async function runPrintMode(
session: AgentSession,
mode: "text" | "json",
messages: string[],
initialMessage?: string,
initialAttachments?: Attachment[],
): Promise<void> {

if (mode === "json") {
// Just pipe events to stdout
session.subscribe((event) => {
console.log(JSON.stringify(event));
});
}

// Send messages
if (initialMessage) {
await session.prompt(initialMessage, { attachments: initialAttachments });
}
for (const message of messages) {
await session.prompt(message);
}

// In text mode, output final response
if (mode === "text") {
const lastText = session.getLastAssistantText();
if (lastText) {
console.log(lastText);
}
}
}
```

### RPC Mode

```typescript
// src/modes/rpc-mode.ts

export async function runRpcMode(session: AgentSession): Promise<never> {
// Pipe all events to stdout as JSON
session.subscribe((event) => {
console.log(JSON.stringify(event));
});

// Listen for JSON input
const rl = readline.createInterface({ input: process.stdin });

rl.on("line", async (line: string) => {
try {
const input = JSON.parse(line);

switch (input.type) {
case "prompt":
await session.prompt(input.message, { attachments: input.attachments });
break;

case "abort":
await session.abort();
break;

case "compact":
const result = await session.compact(input.customInstructions);
console.log(JSON.stringify({ type: "compaction", ...result }));
break;

case "bash":
const bashResult = await session.executeBash(input.command);
console.log(JSON.stringify({ type: "bash_end", ...bashResult }));
break;

case "setModel":
// Could add model switching via RPC
break;

case "setThinking":
session.setThinkingLevel(input.level);
break;
}
} catch (error: any) {
console.log(JSON.stringify({ type: "error", error: error.message }));
}
});

return new Promise(() => {}); // Never resolves
}
```

### Interactive Mode (most complex, but cleaner)

```typescript
// src/modes/interactive-mode.ts

export class InteractiveMode {
private session: AgentSession;
private tui: TUI;
private components: TuiComponents; // Chat container, editor, footer, etc.

constructor(session: AgentSession, options: InteractiveModeOptions) {
this.session = session;
this.tui = new TUI(new ProcessTerminal());
this.components = this.createComponents();

// Subscribe to session events for rendering
session.subscribe((event) => this.handleEvent(event));
}

async run(): Promise<void> {
await this.init();

while (true) {
const input = await this.getEditorInput();
await this.handleInput(input);
}
}

private async handleInput(text: string): Promise<void> {
// Slash commands
if (text === "/thinking") {
this.showThinkingSelector();
return;
}
if (text === "/model") {
this.showModelSelector();
return;
}
if (text === "/compact") {
await this.handleCompact();
return;
}
if (text === "/copy") {
this.handleCopy();
return;
}
// ... other commands

// Bash command
if (text.startsWith("!")) {
await this.handleBash(text.slice(1));
return;
}

// Regular prompt
try {
await this.session.prompt(text);
} catch (error) {
this.showError(error.message);
}
}

// ─── Slash Command Handlers ───

private async handleCompact(): Promise<void> {
this.showLoader("Compacting...");
try {
const result = await this.session.compact();
this.rebuildChat();
this.addCompactionComponent(result);
} catch (error) {
this.showError(`Compaction failed: ${error.message}`);
} finally {
this.hideLoader();
}
}

private handleCopy(): void {
const text = this.session.getLastAssistantText();
if (!text) {
this.showError("No assistant message to copy");
return;
}
copyToClipboard(text);
this.showMessage("Copied to clipboard");
}

private async handleBash(command: string): Promise<void> {
const component = new BashExecutionComponent(command);
this.components.chat.addChild(component);

const result = await this.session.executeBash(command, (chunk) => {
component.appendOutput(chunk);
this.tui.requestRender();
});

component.setComplete(result);
this.tui.requestRender();
}

// ─── Hotkey Handlers ───

private handleEscape(): void {
if (this.session.isStreaming) {
// Restore queued messages to editor
const queued = this.session.clearQueue();
const current = this.components.editor.getText();
this.components.editor.setText([...queued, current].filter(Boolean).join("\n\n"));
this.session.abort();
} else if (this.session.isBashRunning) {
this.session.abortBash();
}
}

private handleShiftTab(): void {
const newLevel = this.session.cycleThinkingLevel();
if (newLevel === null) {
this.showMessage("Model doesn't support thinking");
} else {
this.showMessage(`Thinking: ${newLevel}`);
this.updateEditorBorder();
}
}

private async handleCtrlP(): Promise<void> {
const result = await this.session.cycleModel();
if (result === null) {
this.showMessage("Only one model available");
} else {
const thinkingStr = result.thinkingLevel !== "off" ? ` (thinking: ${result.thinkingLevel})` : "";
this.showMessage(`Switched to ${result.model.name || result.model.id}${thinkingStr}`);
this.updateEditorBorder();
}
}

// ─── Event Handling (just rendering) ───

private handleEvent(event: AgentEvent): void {
// Pure rendering logic - no session management
switch (event.type) {
case "agent_start":
this.showLoader("Working...");
break;
case "message_start":
if (event.message.role === "user") {
this.addUserMessage(event.message);
} else {
this.startStreamingAssistant();
}
break;
case "message_update":
this.updateStreamingAssistant(event.message);
break;
case "message_end":
this.finalizeMessage(event.message);
break;
case "agent_end":
this.hideLoader();
break;
}
this.tui.requestRender();
}
}
```

## What This Achieves

### 1. **Single Source of Truth**
All agent/session logic lives in `AgentSession`:
- No more duplicate `checkAutoCompaction()`
- No more duplicate bash execution
- No more duplicate session saving
- Model/thinking changes always go through one path

### 2. **Clear Separation**
- `AgentSession` = state management, persistence, business logic
- Modes = I/O and presentation

### 3. **Testable**
```typescript
// Can unit test AgentSession without any TUI
const session = new AgentSession({ agent, sessionManager, settingsManager });
await session.setThinkingLevel("high");
expect(session.thinkingLevel).toBe("high");
expect(settingsManager.getDefaultThinkingLevel()).toBe("high");
```

### 4. **Extensible**
Adding a new mode (e.g., LSP server mode, web socket mode) just means:
1. Create `AgentSession`
2. Subscribe to events
3. Implement your I/O layer

### 5. **Reduced main.ts**
Model resolution, thinking restoration, session loading can all be helper functions or part of an `AgentSession.create()` factory:

```typescript
// main.ts
const session = await AgentSession.create({
args: parsed,
settingsManager,
sessionManager,
});

if (mode === "rpc") await runRpcMode(session);
else if (mode === "print") await runPrintMode(session, ...);
else await runInteractiveMode(session, ...);
```

---

## File Structure After Refactor

```
src/
core/
agent-session.ts # The big shared abstraction
bash-executor.ts # Low-level bash execution (used by AgentSession)
setup.ts # Factory/initialization helpers
modes/
interactive/
interactive-mode.ts # Main class
components.ts # TUI component wiring
selectors.ts # Model/thinking/theme selector management
print-mode.ts
rpc-mode.ts
main.ts # Just arg parsing and mode routing (~200 lines)
```

Does this expanded design address your concerns? Should I start implementing `AgentSession`?
11:47:07 PM
ok, create a branch refactor
11:47:07 PM
The user wants me to create a git branch called "refactor" to start the refactoring work.
$ cd /Users/badlogic/workspaces/pi-mono && git checkout -b refactor
Switched to a new branch 'refactor'
11:47:11 PM
Done. On branch `refactor` now. Ready to start implementing `AgentSession`. Want me to begin?
11:48:57 PM
will this also allow us to test the agent core?
11:48:57 PM
The user is asking if this refactoring will make the agent core more testable. Let me think about this...

Currently, testing the agent interaction is difficult because:
1. `TuiRenderer` couples TUI rendering with agent logic
2. `main.ts` has mode-specific logic mixed with setup
3. Testing requires mocking a lot of things or running the full TUI

With `AgentSession`:
1. It's TUI-agnostic, so you can instantiate it in tests without any terminal
2. You can mock the `Agent`, `SessionManager`, `SettingsManager` easily
3. You can test state changes, persistence, model cycling, etc. in isolation

But there's a question of what "agent core" means:
- If they mean `AgentSession` itself - yes, very testable
- If they mean the underlying `Agent` from `@mariozechner/pi-agent-core` - that's a separate package, and this refactor doesn't directly affect it, but `AgentSession` wrapping it makes integration testing easier

Let me explain both angles.
Yes, that's a major benefit. Here's what becomes testable:

### 1. `AgentSession` Unit Tests

```typescript
// No TUI, no terminal, just pure logic
describe("AgentSession", () => {
let mockAgent: MockAgent;
let mockSessionManager: MockSessionManager;
let mockSettingsManager: MockSettingsManager;
let session: AgentSession;

beforeEach(() => {
mockAgent = createMockAgent();
mockSessionManager = createMockSessionManager();
mockSettingsManager = createMockSettingsManager();
session = new AgentSession({
agent: mockAgent,
sessionManager: mockSessionManager,
settingsManager: mockSettingsManager
});
});

describe("thinking level", () => {
it("cycles through levels", () => {
mockAgent.state.model = { reasoning: true };

expect(session.cycleThinkingLevel()).toBe("minimal");
expect(session.cycleThinkingLevel()).toBe("low");
expect(session.cycleThinkingLevel()).toBe("medium");
// ...
});

it("returns null when model doesn't support thinking", () => {
mockAgent.state.model = { reasoning: false };
expect(session.cycleThinkingLevel()).toBeNull();
});

it("persists to session and settings", () => {
session.setThinkingLevel("high");
expect(mockSessionManager.saveThinkingLevelChange).toHaveBeenCalledWith("high");
expect(mockSettingsManager.setDefaultThinkingLevel).toHaveBeenCalledWith("high");
});
});

describe("compaction", () => {
it("auto-compacts when threshold exceeded", async () => {
mockSettingsManager.getCompactionSettings.mockReturnValue({ enabled: true, threshold: 0.8 });
// Setup agent state with high token usage...

const result = await session.checkAutoCompaction();
expect(result).not.toBeNull();
expect(mockSessionManager.saveCompaction).toHaveBeenCalled();
});
});

describe("model cycling", () => {
it("cycles through scoped models with thinking levels", async () => {
const scopedModels = [
{ model: modelA, thinkingLevel: "high" },
{ model: modelB, thinkingLevel: "off" },
];
session = new AgentSession({ ..., scopedModels });

const result = await session.cycleModel();
expect(result.model).toBe(modelB);
expect(result.thinkingLevel).toBe("off");
});
});

describe("bash execution", () => {
it("adds result to agent context", async () => {
const result = await session.executeBash("echo hello");
expect(mockAgent.appendMessage).toHaveBeenCalledWith(
expect.objectContaining({ role: "bashExecution", command: "echo hello" })
);
});

it("can be aborted", async () => {
const promise = session.executeBash("sleep 10");
session.abortBash();
const result = await promise;
expect(result.cancelled).toBe(true);
});
});
});
```

### 2. Integration Tests (with real Agent, mocked API)

```typescript
describe("AgentSession integration", () => {
it("full prompt flow persists correctly", async () => {
const agent = new Agent({ /* real config with mocked transport */ });
const sessionManager = new SessionManager(false, tempSessionFile);
const session = new AgentSession({ agent, sessionManager, ... });

await session.prompt("Hello");

// Verify session file has correct entries
const entries = sessionManager.loadEntries();
expect(entries).toContainEqual(expect.objectContaining({
type: "message",
message: expect.objectContaining({ role: "user" })
}));
});
});
```

### 3. Mode Tests (with mocked AgentSession)

```typescript
describe("RPC mode", () => {
it("handles prompt command", async () => {
const mockSession = createMockAgentSession();
const stdin = new MockReadable();
const stdout = new MockWritable();

runRpcMode(mockSession, { stdin, stdout });

stdin.push(JSON.stringify({ type: "prompt", message: "hello" }));

expect(mockSession.prompt).toHaveBeenCalledWith("hello", expect.anything());
});
});
```

### What's Still Hard to Test

- The actual `Agent` class from `pi-agent-core` (that's its own package, would need its own test strategy with API mocking)
- TUI rendering (visual testing is always tricky)

### What This Unlocks

| Before | After |
|--------|-------|
| Can't test thinking cycling without TUI | Unit test `session.cycleThinkingLevel()` |
| Can't test compaction logic in isolation | Unit test `session.compact()` and `checkAutoCompaction()` |
| Can't test session persistence without running full app | Unit test that `prompt()` calls `sessionManager.saveMessage()` |
| Can't test model cycling without TUI | Unit test `session.cycleModel()` |
| RPC mode untestable | Mock `AgentSession`, test JSON handling |

So yes, `AgentSession` becomes the testable core that all modes share. Want me to start implementing it?
11:50:45 PM
i would only want e2e tests for AgentSession, anything else is shitty.

alright, createa full implementation plan in coding-agent/docs/refactor.md, it needs to cover all the things we want to do on a high level. then it needs to have work packages in the best order to implement them, with - [ ] to keep track of state, where each item would describe in detail what to change how (including file paths etc.)
11:50:45 PM
The user wants me to create a comprehensive implementation plan document. They want:

1. High-level overview of the refactoring goals
2. Work packages in optimal implementation order
3. Detailed descriptions of what to change, including file paths
4. Checkbox format for tracking progress

Let me think through the optimal order:

1. First, we need to create the `AgentSession` class -
Aborted
11:51:18 PM
this plan must be written in such a way, that you can starta new session, pick up from where you left (also reading diff of current work tree and any files necessary in your contexT)
11:51:18 PM
The user wants a detailed implementation plan that:
1. Is comprehensive and covers everything we discussed
2. Has work packages in optimal order with checkboxes
3. Is detailed enough that a new session can pick up where we left off
4. Should be self-contained - a new session can read this file, check git diff, and continue

Let me create a thorough document that covers:
- Goals and motivation
- Architecture overview
- File structure
- Detailed work packages with:
- What files to create/modify
- What code to move/change
- Dependencies between packages
- How to verify each step works

The order should be:
1. Create core infrastructure (AgentSession, bash-executor)
2. Migrate modes one by one (print mode first - simplest, then RPC, then interactive)
3. Clean up main.ts
4. Testing considerations

Let me write this out comprehensively.
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs
(no output)
11:51:26 PM
write ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md (1669 lines)
Successfully wrote 48506 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
11:54:38 PM
$ cd /Users/badlogic/workspaces/pi-mono && git add packages/coding-agent/docs/refactor.md && git commit -m "Add refactoring plan for coding-agent"
11:54:47 PM
Done. Created `packages/coding-agent/docs/refactor.md` with:

1. **Goals and motivation** for the refactoring
2. **Architecture overview** (current vs target state)
3. **Full AgentSession API** design
4. **20 work packages** in optimal order, each with:
- Files to create/modify
- What to extract from where (with line numbers)
- Implementation details/code snippets
- Verification steps
- Checkboxes for tracking
5. **E2E testing checklist** at the end
6. **Resume instructions** at the top

A new session can:
1. Read the refactor.md file
2. Run `git diff` to see in-progress work
3. Find the first unchecked work package
4. Read the referenced files before making changes
5. Continue implementing

Want me to start on WP1 (bash-executor.ts)?
11:55:45 PM
get messages(): Message[]; not AppMessage with our extension?
11:55:45 PM
The user is pointing out that `get messages(): Message[]` in the AgentSession API should probably return `Message[] | AppMessage[]` or a union type that includes the custom `BashExecutionMessage` type.

Looking at the code, `BashExecutionMessage` is defined in `messages.ts` and it's a custom message type with `role: "bashExecution"`. The agent's `state.messages` would include these custom messages alongside standard `Message` types.

So the getter should probably be typed as `(Message | AppMessage)[]` or whatever the correct union type is that includes both standard messages and the custom app messages like `BashExecutionMessage`.

Let me check what `AppMessage` is defined as in the codebase.
Good catch. Let me check what types we're dealing with:
$ cd /Users/badlogic/workspaces/pi-mono && grep -r "AppMessage" packages/coding-agent/src/ --include="*.ts" | head -20
$ cd /Users/badlogic/workspaces/pi-mono && grep -r "BashExecutionMessage" packages/coding-agent/src/ --include="*.ts" | head -10
read ~/workspaces/pi-mono/packages/coding-agent/src/messages.ts
11:55:54 PM
You're right. The agent stores `AppMessage[]` which includes both standard `Message` types and custom types like `BashExecutionMessage`. Let me update the refactor.md:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
83 get state(): AgentState;
84 get model(): Model<any> | null;
85 get thinkingLevel(): ThinkingLevel;
86 get isStreaming(): boolean;
- 87 get messages(): Message[];
+ 87 get messages(): AppMessage[]; // Includes custom types like BashExecutionMessage
88
89 // Event subscription (handles session persistence internally)
90 subscribe(listener: (event: AgentEvent) => void): () => void;
91
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 28 characters to 83 characters.
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
228 get state(): AgentState { return this.agent.state; }
229 get model(): Model<any> | null { return this.agent.state.model; }
230 get thinkingLevel(): ThinkingLevel { return this.agent.state.thinkingLevel; }
231 get isStreaming(): boolean { return this.agent.state.isStreaming; }
- 232 get messages(): Message[] { return this.agent.state.messages; }
+ 232 get messages(): AppMessage[] { return this.agent.state.messages; }
233 get sessionFile(): string { return this.sessionManager.getSessionFile(); }
234 get sessionId(): string { return this.sessionManager.getSessionId(); }
235 }
236 ```
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 65 characters to 68 characters.
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
194
195 **Implementation - Phase 1 (structure + state access):**
196 ```typescript
197 // src/core/agent-session.ts
- 198 import type { Agent, AgentEvent, AgentState, ThinkingLevel } from "@mariozechner/pi-agent-core";
- 199 import type { Model, Message } from "@mariozechner/pi-ai";
+ 198 import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
+ 199 import type { Model } from "@mariozechner/pi-ai";
200 import type { SessionManager } from "../session-manager.js";
201 import type { SettingsManager } from "../settings-manager.js";
202
203 export interface AgentSessionConfig {
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 155 characters to 158 characters.
11:56:02 PM
$ cd /Users/badlogic/workspaces/pi-mono && git add packages/coding-agent/docs/refactor.md && git commit -m "Fix: use AppMessage[] instead of Message[] in AgentSession"
11:56:14 PM
Fixed. `AgentSession.messages` now returns `AppMessage[]` which is the union type that includes standard messages plus custom types like `BashExecutionMessage`.

The declaration merging in `messages.ts` extends `CustomMessages` in pi-agent-core, so `AppMessage` automatically includes `BashExecutionMessage`.

Ready to start implementing WP1?
11:57:14 PM
how do we set things on the agentsession? all i see is getters
11:57:14 PM
The user is right - I only defined getters for state access but there are some things that need setters or at least methods to modify state. Let me think about what needs to be settable:

1. `model` - we have `setModel()` method - good
2. `thinkingLevel` - we have `setThinkingLevel()` method - good
3. `autoCompactionEnabled` - we have `setAutoCompactionEnabled()` method - good
4. `scopedModels` - currently only set in constructor. Do we need to change this at runtime? Probably not.
5. `fileCommands` - currently only set in constructor. Do we need to change this at runtime? Probably not.

Wait, looking at TuiRenderer, there's also:
- Queue mode (`agent.setQueueMode()` / `agent.getQueueMode()`)
- The footer uses `setAutoCompactEnabled()`

Let me check what else might need setters...

Actually looking at the API I defined, the setters are there as methods:
- `setModel()`
- `setThinkingLevel()`
- `setAutoCompactionEnabled()`

But the user might be asking about:
1. Setting things like `scopedModels` after construction?
2. Queue mode?

Let me add queue mode and make sure all the necessary setters are documented as methods (not property setters).

Also, looking at the constructor - `scopedModels` and `fileCommands` are passed in at construction time from main.ts and shouldn't change during runtime, so those are fine as constructor-only.

Let me update the plan to add queue mode methods.
Good catch. Looking at the API, I have methods for setting things (`setModel()`, `setThinkingLevel()`, `setAutoCompactionEnabled()`), but I'm missing queue mode. Let me also make the API clearer:
read ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
11:57:27 PM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
78 This is the core abstraction shared by all modes. See full API design below.
79
80 ```typescript
81 class AgentSession {
- 82 // State access
+ 82 // ─── Read-only State Access ───
83 get state(): AgentState;
84 get model(): Model<any> | null;
85 get thinkingLevel(): ThinkingLevel;
86 get isStreaming(): boolean;
87 get messages(): AppMessage[]; // Includes custom types like BashExecutionMessage
+ 88 get queueMode(): QueueMode;
88
- 89 // Event subscription (handles session persistence internally)
+ 90 // ─── Event Subscription ───
+ 91 // Handles session persistence internally (saves messages, checks auto-compaction)
90 subscribe(listener: (event: AgentEvent) => void): () => void;
91
- 92 // Prompting
+ 94 // ─── Prompting ───
93 prompt(text: string, options?: PromptOptions): Promise<void>;
94 queueMessage(text: string): Promise<void>;
95 clearQueue(): string[];
96 abort(): Promise<void>;
97 reset(): Promise<void>;
98
- 99 // Model management
- 100 setModel(model: Model<any>): Promise<void>;
+ 101 // ─── Model Management ───
+ 102 setModel(model: Model<any>): Promise<void>; // Validates API key, saves to session + settings
101 cycleModel(): Promise<ModelCycleResult | null>;
102 getAvailableModels(): Promise<Model<any>[]>;
103
- 104 // Thinking level
- 105 setThinkingLevel(level: ThinkingLevel): void;
+ 106 // ─── Thinking Level ───
+ 107 setThinkingLevel(level: ThinkingLevel): void; // Saves to session + settings
106 cycleThinkingLevel(): ThinkingLevel | null;
107 supportsThinking(): boolean;
108
- 109 // Compaction
+ 111 // ─── Queue Mode ───
+ 112 setQueueMode(mode: QueueMode): void; // Saves to settings
+ 113
+ 114 // ─── Compaction ───
110 compact(customInstructions?: string): Promise<CompactionResult>;
111 abortCompaction(): void;
- 112 checkAutoCompaction(): Promise<CompactionResult | null>;
- 113 setAutoCompactionEnabled(enabled: boolean): void;
+ 117 checkAutoCompaction(): Promise<CompactionResult | null>; // Called internally after assistant messages
+ 118 setAutoCompactionEnabled(enabled: boolean): void; // Saves to settings
114 get autoCompactionEnabled(): boolean;
115
- 116 // Bash execution
+ 121 // ─── Bash Execution ───
117 executeBash(command: string, onChunk?: (chunk: string) => void): Promise<BashResult>;
118 abortBash(): void;
119 get isBashRunning(): boolean;
120
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 1334 characters to 1712 characters.
11:57:38 PM
Now let me add the queue mode implementation to the relevant work package. Let me find WP6 and add queue mode there or create a small addition:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "WP6:" packages/coding-agent/docs/refactor.md
568:### WP6: AgentSession - Thinking Level Management
11:57:43 PM
read ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
11:57:46 PM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
623
624 - [ ] Add `setThinkingLevel()` method
625 - [ ] Add `cycleThinkingLevel()` method
626 - [ ] Add `supportsThinking()` method
+ 627 - [ ] Add `setQueueMode()` method and `queueMode` getter (see below)
627 - [ ] Verify with `npm run check`
628
+ 630 **Queue mode (add to same WP):**
+ 631 ```typescript
+ 632 // Add to AgentSession class
+ 633
+ 634 get queueMode(): QueueMode {
+ 635 return this.agent.getQueueMode();
+ 636 }
+ 637
+ 638 /**
+ 639 * Set message queue mode. Saves to settings.
+ 640 */
+ 641 setQueueMode(mode: QueueMode): void {
+ 642 this.agent.setQueueMode(mode);
+ 643 this.settingsManager.setQueueMode(mode);
+ 644 }
+ 645 ```
+ 646
629 ---
630
631 ### WP7: AgentSession - Compaction
632 > Add compact(), abortCompaction(), checkAutoCompaction(), autoCompactionEnabled methods.
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 190 characters to 579 characters.
11:57:52 PM
$ cd /Users/badlogic/workspaces/pi-mono && git add packages/coding-agent/docs/refactor.md && git commit -m "Add queue mode to AgentSession API, clarify setters vs getters"
11:58:02 PM
Updated. The API now clearly shows:

**Read-only getters:**
- `state`, `model`, `thinkingLevel`, `isStreaming`, `messages`, `queueMode`, `autoCompactionEnabled`, `isBashRunning`

**Setters (as methods, with side effects):**
- `setModel()` - validates API key, saves to session + settings
- `setThinkingLevel()` - saves to session + settings
- `setQueueMode()` - saves to settings
- `setAutoCompactionEnabled()` - saves to settings

**Cycle methods (get + set combined):**
- `cycleModel()` - cycles and persists, returns result
- `cycleThinkingLevel()` - cycles and persists, returns new level

The pattern is: getters are cheap reads, setters are methods because they have side effects (persistence, validation).

Ready to start WP1?
12:00:36 AM
ok, this looks amazing, start implementing
12:00:36 AM
The user wants me to start implementing the refactoring plan. Let me start with WP1: Create bash-executor.ts.

I need to:
1. Create `src/core/bash-executor.ts`
2. Extract the bash execution logic from tui-renderer.ts and main.ts
3. Make it a standalone module with proper types

Let me first read the relevant sections from both files to understand the full implementation.
Let's start with WP1: Create bash-executor.ts.

First, let me read the existing implementations to extract:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && grep -n "executeBashCommand\|executeRpcBashCommand" src/main.ts src/tui/tui-renderer.ts
src/main.ts:867: * Similar to tui-renderer's executeBashCommand but without streaming callbacks.
src/main.ts:869:async function executeRpcBashCommand(command: string): Promise<{
src/main.ts:1079: const result = await executeRpcBashCommand(input.command);
src/tui/tui-renderer.ts:2082: const result = await this.executeBashCommand(command, (chunk) => {
src/tui/tui-renderer.ts:2127: private executeBashCommand(
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/main.ts
12:00:43 AM
Let me get the right section of main.ts for executeRpcBashCommand:
read ~/workspaces/pi-mono/packages/coding-agent/src/main.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:00:48 AM
Now I have both implementations. Let me create the unified bash-executor.ts:
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core
(no output)
12:00:52 AM
write ~/workspaces/pi-mono/packages/coding-agent/src/core/bash-executor.ts (178 lines)
Successfully wrote 5370 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/bash-executor.ts
12:01:12 AM
Now create the barrel export:
write ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
/**
* Core modules shared between all run modes.
*/
export { executeBash, type BashExecutorOptions, type BashResult } from "./bash-executor.js";
Successfully wrote 148 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
12:01:16 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:01:26 AM
Now let me update the checkboxes in the refactor plan and commit:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
181 1. `npm run check` passes
182 2. Manual test: Run `pi` in interactive mode, execute `!ls -la`, verify output appears
183 3. Manual test: Run `!sleep 10`, press Esc, verify cancellation works
184
- 185 - [ ] Create `src/core/bash-executor.ts` with `executeBash()` function
- 186 - [ ] Add proper TypeScript types and exports
- 187 - [ ] Verify with `npm run check`
+ 185 - [x] Create `src/core/bash-executor.ts` with `executeBash()` function
+ 186 - [x] Add proper TypeScript types and exports
+ 187 - [x] Verify with `npm run check`
188
189 ---
190
191 ### WP2: Create agent-session.ts (Core Structure)
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 150 characters to 150 characters.
12:01:32 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP1: Create bash-executor.ts with unified bash execution"
12:01:42 AM
WP1 complete. Now WP2: Create AgentSession basic structure.
write ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts (110 lines)
Successfully wrote 3473 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:01:59 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
Could not find the exact text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts. The old text must match exactly including all whitespace and newlines.
12:02:03 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
/**
* Core modules shared between all run modes.
*/
export { type BashExecutorOptions, type BashResult, executeBash } from "./bash-executor.js";
12:02:06 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
...
2 * Core modules shared between all run modes.
3 */
4
5 export { type BashExecutorOptions, type BashResult, executeBash } from "./bash-executor.js";
+6 export { AgentSession, type AgentSessionConfig } from "./agent-session.js";
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts. Changed 147 characters to 223 characters.
12:02:13 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:02:22 AM
Need to check the correct type for QueueMode:
$ cd /Users/badlogic/workspaces/pi-mono && grep -r "QueueMode\|queueMode\|getQueueMode" packages/agent/src/ --include="*.ts" | head -20
12:02:26 AM
It's not exported as a type. Let me fix by using the inline type:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
Could not find the exact text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. The old text must match exactly including all whitespace and newlines.
12:02:31 AM
Aborted
12:03:19 AM
btw, can we make it so we keep the old code around for reference? i think your plan already works like this, except for main.ts. can have a new main.ts, just call it main-new and cli-new if needed, then i can compare in parallel as i clean up whatever you come up with.
12:03:19 AM
The user wants to keep the old code around for reference while we build the new implementation. They suggest:
1. Creating new files like `main-new.ts` and `cli-new.ts` instead of modifying the existing ones
2. This allows parallel comparison during cleanup

This is a good idea - it means we can:
1. Build the new implementation without breaking the existing one
2. Test the new implementation alongside the old one
3. Compare behavior and do a final switchover when ready

Let me first fix the current TypeScript error, then adjust the plan to use this approach.
Good idea. Let me first fix the current error, then update the plan to use that approach.
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:03:26 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
12 *
13 * Modes use this class and add their own I/O layer on top.
14 */
15
- 16 import type { Agent, AgentEvent, AgentState, AppMessage, QueueMode, ThinkingLevel } from "@mariozechner/pi-agent-core";
- 17 import type { AssistantMessage, Model } from "@mariozechner/pi-ai";
+ 16 import type { Agent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
+ 17 import type { Model } from "@mariozechner/pi-ai";
18 import type { SessionManager } from "../session-manager.js";
19 import type { SettingsManager } from "../settings-manager.js";
20 import type { FileSlashCommand } from "../slash-commands.js";
21
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 187 characters to 146 characters.
12:03:30 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
82 return this.agent.state.messages;
83 }
84
85 /** Current queue mode */
- 86 get queueMode(): QueueMode {
+ 86 get queueMode(): "all" | "one-at-a-time" {
87 return this.agent.getQueueMode();
88 }
89
90 /** Current session file path */
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 95 characters to 109 characters.
12:03:34 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:03:43 AM
Now let me update the refactor plan to use the "keep old code" approach:
read ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
12:03:47 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
10 2. Run `git diff` to see current work in progress
11 3. Check the work packages below - find first unchecked item
12 4. Read any files mentioned in that work package before making changes
13
+ 14 ## Strategy: Keep Old Code for Reference
+ 15
+ 16 We create new files alongside old ones instead of modifying in place:
+ 17 - `src/modes/print-mode.ts` (new) - old code stays in `main.ts`
+ 18 - `src/modes/rpc-mode.ts` (new) - old code stays in `main.ts`
+ 19 - `src/modes/interactive/interactive-mode.ts` (new) - old code stays in `tui/tui-renderer.ts`
+ 20 - `src/main-new.ts` (new) - old code stays in `main.ts`
+ 21 - `src/cli-new.ts` (new) - old code stays in `cli.ts`
+ 22
+ 23 This allows:
+ 24 - Parallel comparison of old vs new behavior
+ 25 - Gradual migration and testing
+ 26 - Easy rollback if needed
+ 27
+ 28 Final switchover: When everything works, rename files and delete old code.
+ 29
14 ---
15
16 ## Goals
17
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 304 characters to 940 characters.
12:03:57 AM
Now let me update the work packages to reflect this. First let me check the WP for main.ts:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "WP14\|WP11\|WP12\|main.ts" packages/coding-agent/docs/refactor.md | head -30
12:04:01 AM
Let me update WP14 to create main-new.ts instead of modifying main.ts:
read ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
12:04:06 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1328 - [ ] Verify with `npm run check`
1329
1330 ---
1331
-1332 ### WP14: Update main.ts to use AgentSession and new modes
-1333 > Refactor main.ts to use AgentSession and the new mode modules.
+1332 ### WP14: Create main-new.ts using AgentSession and new modes
+1333 > Create a new main file that uses AgentSession and the new mode modules.
+1334 > Old main.ts is kept for reference/comparison.
1334
-1335 **Files to modify:**
-1336 - `src/main.ts`
+1336 **Files to create:**
+1337 - `src/main-new.ts` (copy from main.ts, then modify)
+1338 - `src/cli-new.ts` (copy from cli.ts, point to main-new.ts)
1337
-1338 **Changes:**
-1339 1. Remove `runSingleShotMode()` function (replaced by print-mode.ts)
-1340 2. Remove `runRpcMode()` function (replaced by rpc-mode.ts)
-1341 3. Remove `executeRpcBashCommand()` function (replaced by bash-executor.ts)
+1340 **Changes to main-new.ts:**
+1341 1. Remove `runSingleShotMode()` function (use print-mode.ts)
+1342 2. Remove `runRpcMode()` function (use rpc-mode.ts)
+1343 3. Remove `executeRpcBashCommand()` function (use bash-executor.ts)
1342 4. Create `AgentSession` instance after agent setup
1343 5. Pass `AgentSession` to mode functions
1344
1345 **Key changes in main():**
1346 ```typescript
1347 // After agent creation, create AgentSession
1348 const session = new AgentSession({
1349 agent,
1350 sessionManager,
1351 settingsManager,
1352 scopedModels,
1353 fileCommands: loadSlashCommands(),
1354 });
1355
1356 // Route to modes
1357 if (mode === "rpc") {
1358 await runRpcMode(session);
1359 } else if (isInteractive) {
1360 // For now, still use TuiRenderer directly (will refactor in WP15+)
1361 await runInteractiveMode(agent, sessionManager, ...);
1362 } else {
1363 await runPrintMode(session, mode, parsed.messages, initialMessage, initialAttachments);
1364 }
1365 ```
1366
+1369 **cli-new.ts:**
+1370 ```typescript
+1371 #!/usr/bin/env node
+1372 import { main } from "./main-new.js";
+1373 main(process.argv.slice(2));
+1374 ```
+1375
+1376 **Testing the new implementation:**
+1377 ```bash
+1378 # Run new implementation directly
+1379 npx tsx src/cli-new.ts -p "hello"
+1380 npx tsx src/cli-new.ts --mode json "hello"
+1381 npx tsx src/cli-new.ts # interactive mode
+1382 ```
+1383
1367 **Verification:**
1368 1. `npm run check` passes
-1369 2. Manual test: `pi -p "hello"` works
-1370 3. Manual test: `pi --mode json "hello"` works
-1371 4. Manual test: `pi --mode rpc` works
+1386 2. Manual test: `npx tsx src/cli-new.ts -p "hello"` works
+1387 3. Manual test: `npx tsx src/cli-new.ts --mode json "hello"` works
+1388 4. Manual test: `npx tsx src/cli-new.ts --mode rpc` works
1372
-1373 - [ ] Remove `runSingleShotMode()` from main.ts
-1374 - [ ] Remove `runRpcMode()` from main.ts
-1375 - [ ] Remove `executeRpcBashCommand()` from main.ts
+1390 - [ ] Copy main.ts to main-new.ts
+1391 - [ ] Remove `runSingleShotMode()` from main-new.ts
+1392 - [ ] Remove `runRpcMode()` from main-new.ts
+1393 - [ ] Remove `executeRpcBashCommand()` from main-new.ts
1376 - [ ] Import and use `runPrintMode` from modes
1377 - [ ] Import and use `runRpcMode` from modes
1378 - [ ] Create `AgentSession` in main()
1379 - [ ] Update mode routing to use new functions
+1398 - [ ] Create cli-new.ts
1380 - [ ] Verify with `npm run check`
-1381 - [ ] Manual test all three modes
+1400 - [ ] Manual test all three modes via cli-new.ts
1382
1383 ---
1384
1385 ### WP15: Refactor TuiRenderer to use AgentSession
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 1584 characters to 2202 characters.
12:04:20 AM
Now update WP15-17 to use new files instead of modifying in place:
read ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
12:04:24 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1400 - [ ] Manual test all three modes via cli-new.ts
1401
1402 ---
1403
-1404 ### WP15: Refactor TuiRenderer to use AgentSession
-1405 > Update TuiRenderer to use AgentSession instead of direct agent/sessionManager access.
+1404 ### WP15: Create InteractiveMode using AgentSession
+1405 > Create a new interactive mode class that uses AgentSession.
+1406 > Old tui-renderer.ts is kept for reference.
1406
-1407 **Files to modify:**
-1408 - `src/tui/tui-renderer.ts`
+1408 **Files to create:**
+1409 - `src/modes/interactive/interactive-mode.ts` (based on tui-renderer.ts)
1409
1410 **This is the largest change. Strategy:**
-1411 1. Change constructor to accept `AgentSession` instead of separate agent/sessionManager/settingsManager
-1412 2. Replace all `this.agent.*` calls with `this.session.agent.*` or appropriate AgentSession methods
-1413 3. Replace all `this.sessionManager.*` calls with AgentSession methods
-1414 4. Replace all `this.settingsManager.*` calls with AgentSession methods where applicable
-1415 5. Remove duplicated logic that now lives in AgentSession
+1412 1. Copy tui-renderer.ts to new location
+1413 2. Rename class from `TuiRenderer` to `InteractiveMode`
+1414 3. Change constructor to accept `AgentSession` instead of separate agent/sessionManager/settingsManager
+1415 4. Replace all `this.agent.*` calls with `this.session.agent.*` or appropriate AgentSession methods
+1416 5. Replace all `this.sessionManager.*` calls with AgentSession methods
+1417 6. Replace all `this.settingsManager.*` calls with AgentSession methods where applicable
+1418 7. Remove duplicated logic that now lives in AgentSession
1416
1417 **Key replacements:**
1418 | Old | New |
1419 |-----|-----|
1420 | `this.agent.prompt()` | `this.session.prompt()` |
1421 | `this.agent.abort()` | `this.session.abort()` |
1422 | `this.sessionManager.saveMessage()` | (handled internally by AgentSession.subscribe) |
1423 | `this.cycleThinkingLevel()` | `this.session.cycleThinkingLevel()` |
1424 | `this.cycleModel()` | `this.session.cycleModel()` |
1425 | `this.executeBashCommand()` | `this.session.executeBash()` |
1426 | `this.executeCompaction()` | `this.session.compact()` |
1427 | `this.checkAutoCompaction()` | (handled internally by AgentSession) |
1428 | `this.handleClearCommand()` reset logic | `this.session.reset()` |
1429 | `this.handleResumeSession()` | `this.session.switchSession()` |
1430
1431 **Constructor change:**
1432 ```typescript
1433 // Old
1434 constructor(
1435 agent: Agent,
1436 sessionManager: SessionManager,
1437 settingsManager: SettingsManager,
1438 version: string,
1439 ...
1440 )
1441
1442 // New
1443 constructor(
1444 session: AgentSession,
1445 version: string,
1446 ...
1447 )
1448 ```
1449
1450 **Verification:**
1451 1. `npm run check` passes
-1452 2. Manual test: Full interactive mode works
+1455 2. Manual test via cli-new.ts: Full interactive mode works
1453 3. Manual test: All slash commands work
1454 4. Manual test: All hotkeys work
1455 5. Manual test: Bash execution works
1456 6. Manual test: Model/thinking cycling works
1457
-1458 - [ ] Change TuiRenderer constructor to accept AgentSession
+1461 - [ ] Create `src/modes/interactive/` directory
+1462 - [ ] Copy tui-renderer.ts to interactive-mode.ts
+1463 - [ ] Rename class to `InteractiveMode`
+1464 - [ ] Change constructor to accept AgentSession
1459 - [ ] Update all agent access to go through session
1460 - [ ] Remove `subscribeToAgent()` method (use session.subscribe)
1461 - [ ] Remove `checkAutoCompaction()` method (handled by session)
1462 - [ ] Update `cycleThinkingLevel()` to use session method
1463 - [ ] Update `cycleModel()` to use session method
1464 - [ ] Update bash execution to use session.executeBash()
1465 - [ ] Update compaction to use session.compact()
1466 - [ ] Update reset logic to use session.reset()
1467 - [ ] Update session switching to use session.switchSession()
1468 - [ ] Update branch logic to use session.branch()
1469 - [ ] Remove all direct sessionManager access
+1476 - [ ] Update imports to point to `../../tui/` for components (keep old components in place for now)
+1477 - [ ] Update modes/index.ts to export InteractiveMode
1470 - [ ] Verify with `npm run check`
-1471 - [ ] Manual test interactive mode thoroughly
+1479 - [ ] Manual test interactive mode via cli-new.ts
1472
1473 ---
1474
-1475 ### WP16: Update runInteractiveMode to use AgentSession
-1476 > Update the runInteractiveMode function in main.ts to create and pass AgentSession.
+1483 ### WP16: Update main-new.ts runInteractiveMode to use InteractiveMode
+1484 > Update runInteractiveMode in main-new.ts to use the new InteractiveMode class.
1477
1478 **Files to modify:**
-1479 - `src/main.ts`
+1487 - `src/main-new.ts`
1480
1481 **Changes:**
1482 ```typescript
+1491 import { InteractiveMode } from "./modes/interactive/interactive-mode.js";
+1492
1483 async function runInteractiveMode(
-1484 session: AgentSession, // Changed from individual params
+1494 session: AgentSession,
1485 version: string,
1486 changelogMarkdown: string | null,
1487 collapseChangelog: boolean,
1488 modelFallbackMessage: string | null,
1489 versionCheckPromise: Promise<string | null>,
1490 initialMessages: string[],
1491 initialMessage?: string,
1492 initialAttachments?: Attachment[],
1493 fdPath: string | null,
1494 ): Promise<void> {
-1495 const renderer = new TuiRenderer(
+1505 const mode = new InteractiveMode(
1496 session,
1497 version,
1498 changelogMarkdown,
1499 collapseChangelog,
1500 fdPath,
1501 );
1502 // ... rest stays similar
1503 }
1504 ```
1505
1506 **Verification:**
1507 1. `npm run check` passes
-1508 2. Manual test: Interactive mode works
+1518 2. Manual test via cli-new.ts: Interactive mode works
1509
-1510 - [ ] Update `runInteractiveMode()` signature
-1511 - [ ] Update TuiRenderer instantiation
+1520 - [ ] Update `runInteractiveMode()` in main-new.ts
+1521 - [ ] Update InteractiveMode instantiation
1512 - [ ] Verify with `npm run check`
1513
1514 ---
1515
-1516 ### WP17: Rename TuiRenderer to InteractiveMode
-1517 > Rename the class and file to better reflect its purpose.
-1518
-1519 **Files to rename/modify:**
-1520 - `src/tui/tui-renderer.ts` → `src/modes/interactive/interactive-mode.ts`
-1521 - Update all imports
-1522
-1523 **Steps:**
-1524 1. Create `src/modes/interactive/` directory
-1525 2. Move and rename file
-1526 3. Rename class from `TuiRenderer` to `InteractiveMode`
-1527 4. Update imports in main.ts
-1528 5. Update barrel export in modes/index.ts
-1529
-1530 **Verification:**
-1531 1. `npm run check` passes
-1532 2. Manual test: Interactive mode works
-1533
-1534 - [ ] Create `src/modes/interactive/` directory
-1535 - [ ] Move `tui/tui-renderer.ts` to `modes/interactive/interactive-mode.ts`
-1536 - [ ] Rename class to `InteractiveMode`
-1537 - [ ] Update imports in main.ts
-1538 - [ ] Update modes/index.ts barrel export
-1539 - [ ] Verify with `npm run check`
-1540
-1541 ---
-1542
-1543 ### WP18: Move remaining TUI components
+1526 ### WP17: (OPTIONAL) Move TUI components to modes/interactive/
1544 > Move TUI-specific components to the interactive mode directory.
+1528 > This is optional cleanup - can be skipped if too disruptive.
1545
-1546 **Files to move:**
+1530 **Note:** The old `src/tui/` directory is kept. We just create copies/moves as needed.
+1531 For now, InteractiveMode can import from `../../tui/` to reuse existing components.
+1532
+1533 **Files to potentially move (if doing this WP):**
1547 - `src/tui/assistant-message.ts` → `src/modes/interactive/components/`
1548 - `src/tui/bash-execution.ts` → `src/modes/interactive/components/`
-1549 - `src/tui/compaction.ts` → `src/modes/interactive/components/`
-1550 - `src/tui/custom-editor.ts` → `src/modes/interactive/components/`
-1551 - `src/tui/dynamic-border.ts` → `src/modes/interactive/components/`
-1552 - `src/tui/footer.ts` → `src/modes/interactive/components/`
-1553 - `src/tui/model-selector.ts` → `src/modes/interactive/selectors/`
-1554 - `src/tui/oauth-selector.ts` → `src/modes/interactive/selectors/`
-1555 - `src/tui/queue-mode-selector.ts` → `src/modes/interactive/selectors/`
-1556 - `src/tui/session-selector.ts` → `src/modes/interactive/selectors/`
-1557 - `src/tui/theme-selector.ts` → `src/modes/interactive/selectors/`
-1558 - `src/tui/thinking-selector.ts` → `src/modes/interactive/selectors/`
-1559 - `src/tui/tool-execution.ts` → `src/modes/interactive/components/`
-1560 - `src/tui/user-message.ts` → `src/modes/interactive/components/`
-1561 - `src/tui/user-message-selector.ts` → `src/modes/interactive/selectors/`
+1536 - etc.
1562
-1563 **Note:** This is optional reorganization. Can be done later or skipped if too disruptive.
+1538 **Skip this WP for now** - focus on getting the new architecture working first.
+1539 The component organization can be cleaned up later.
1564
-1565 - [ ] Create directory structure under `src/modes/interactive/`
-1566 - [ ] Move component files
-1567 - [ ] Move selector files
-1568 - [ ] Update all imports
-1569 - [ ] Remove empty `src/tui/` directory
-1570 - [ ] Verify with `npm run check`
+1541 - [ ] SKIPPED (optional cleanup for later)
1571
1572 ---
1573
1574 ### WP19: Extract setup logic from main.ts
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 5825 characters to 4848 characters.
12:04:55 AM
Now update WP2 checkboxes and commit:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
259 **Verification:**
260 1. `npm run check` passes
261 2. Class can be instantiated (will test via later integration)
262
- 263 - [ ] Create `src/core/agent-session.ts` with basic structure
- 264 - [ ] Create `src/core/index.ts` barrel export
- 265 - [ ] Verify with `npm run check`
+ 263 - [x] Create `src/core/agent-session.ts` with basic structure
+ 264 - [x] Create `src/core/index.ts` barrel export
+ 265 - [x] Verify with `npm run check`
266
267 ---
268
269 ### WP3: AgentSession - Event Subscription + Session Persistence
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 142 characters to 142 characters.
12:05:01 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP2: Create AgentSession basic structure + update plan for keep-old-code strategy"
12:05:12 AM
Now WP3: Add event subscription with session persistence:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:05:16 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
12 *
13 * Modes use this class and add their own I/O layer on top.
14 */
15
- 16 import type { Agent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
+ 16 import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
17 import type { Model } from "@mariozechner/pi-ai";
18 import type { SessionManager } from "../session-manager.js";
19 import type { SettingsManager } from "../settings-manager.js";
20 import type { FileSlashCommand } from "../slash-commands.js";
21
+ 22 /** Listener function for agent events */
+ 23 export type AgentEventListener = (event: AgentEvent) => void;
+ 24
22 // ============================================================================
23 // Types
24 // ============================================================================
25
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 332 characters to 449 characters.
12:05:21 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
47
48 private _scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }>;
49 private _fileCommands: FileSlashCommand[];
50
+ 51 // Event subscription state
+ 52 private _unsubscribeAgent?: () => void;
+ 53 private _eventListeners: AgentEventListener[] = [];
+ 54
51 constructor(config: AgentSessionConfig) {
52 this.agent = config.agent;
53 this.sessionManager = config.sessionManager;
54 this.settingsManager = config.settingsManager;
55 this._scopedModels = config.scopedModels ?? [];
56 this._fileCommands = config.fileCommands ?? [];
57 }
58
59 // =========================================================================
+ 64 // Event Subscription
+ 65 // =========================================================================
+ 66
+ 67 /**
+ 68 * Subscribe to agent events.
+ 69 * Session persistence is handled internally (saves messages on message_end).
+ 70 * Multiple listeners can be added. Returns unsubscribe function for this listener.
+ 71 */
+ 72 subscribe(listener: AgentEventListener): () => void {
+ 73 this._eventListeners.push(listener);
+ 74
+ 75 // Set up agent subscription if not already done
+ 76 if (!this._unsubscribeAgent) {
+ 77 this._unsubscribeAgent = this.agent.subscribe(async (event) => {
+ 78 // Notify all listeners
+ 79 for (const l of this._eventListeners) {
+ 80 l(event);
+ 81 }
+ 82
+ 83 // Handle session persistence
+ 84 if (event.type === "message_end") {
+ 85 this.sessionManager.saveMessage(event.message);
+ 86
+ 87 // Initialize session after first user+assistant exchange
+ 88 if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
+ 89 this.sessionManager.startSession(this.agent.state);
+ 90 }
+ 91
+ 92 // Check auto-compaction after assistant messages
+ 93 // (will be implemented in WP7)
+ 94 // if (event.message.role === "assistant") {
+ 95 // await this.checkAutoCompaction();
+ 96 // }
+ 97 }
+ 98 });
+ 99 }
+100
+101 // Return unsubscribe function for this specific listener
+102 return () => {
+103 const index = this._eventListeners.indexOf(listener);
+104 if (index !== -1) {
+105 this._eventListeners.splice(index, 1);
+106 }
+107 };
+108 }
+109
+110 /**
+111 * Unsubscribe from agent entirely and clear all listeners.
+112 * Used during reset/cleanup operations.
+113 */
+114 unsubscribeAll(): void {
+115 if (this._unsubscribeAgent) {
+116 this._unsubscribeAgent();
+117 this._unsubscribeAgent = undefined;
+118 }
+119 this._eventListeners = [];
+120 }
+121
+122 /**
+123 * Re-subscribe to agent after unsubscribeAll.
+124 * Call this after operations that require temporary unsubscription.
+125 */
+126 resubscribe(): void {
+127 if (this._unsubscribeAgent) return; // Already subscribed
+128
+129 this._unsubscribeAgent = this.agent.subscribe(async (event) => {
+130 for (const l of this._eventListeners) {
+131 l(event);
+132 }
+133
+134 if (event.type === "message_end") {
+135 this.sessionManager.saveMessage(event.message);
+136
+137 if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
+138 this.sessionManager.startSession(this.agent.state);
+139 }
+140 }
+141 });
+142 }
+143
+144 // =========================================================================
60 // Read-only State Access
61 // =========================================================================
62
63 /** Full agent state */
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 538 characters to 3026 characters.
12:05:36 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:05:45 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
339
340 **Verification:**
341 1. `npm run check` passes
342
- 343 - [ ] Add `subscribe()` method to AgentSession
- 344 - [ ] Add `unsubscribeAll()` private method
- 345 - [ ] Verify with `npm run check`
+ 343 - [x] Add `subscribe()` method to AgentSession
+ 344 - [x] Add `unsubscribeAll()` method
+ 345 - [x] Add `resubscribe()` method
+ 346 - [x] Verify with `npm run check`
346
347 ---
348
349 ### WP4: AgentSession - Prompting Methods
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 124 characters to 149 characters.
12:05:51 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP3: Add AgentSession event subscription with session persistence"
12:06:00 AM
Now WP4: Prompting methods. Let me add them:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:06:04 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
12 *
13 * Modes use this class and add their own I/O layer on top.
14 */
15
- 16 import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
+ 16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
17 import type { Model } from "@mariozechner/pi-ai";
+ 18 import { getModelsPath } from "../config.js";
+ 19 import { getApiKeyForModel } from "../model-config.js";
18 import type { SessionManager } from "../session-manager.js";
19 import type { SettingsManager } from "../settings-manager.js";
- 20 import type { FileSlashCommand } from "../slash-commands.js";
+ 22 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
21
22 /** Listener function for agent events */
23 export type AgentEventListener = (event: AgentEvent) => void;
24
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 344 characters to 478 characters.
12:06:13 AM
Now add the prompting methods at the end of the class:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
195 /** File-based slash commands */
196 get fileCommands(): ReadonlyArray<FileSlashCommand> {
197 return this._fileCommands;
198 }
+199
+200 // =========================================================================
+201 // Prompting
+202 // =========================================================================
+203
+204 /** Options for prompt() */
+205 interface PromptOptions {
+206 /** Whether to expand file-based slash commands (default: true) */
+207 expandSlashCommands?: boolean;
+208 /** Image/file attachments */
+209 attachments?: Attachment[];
+210 }
+211
+212 /**
+213 * Send a prompt to the agent.
+214 * - Validates model and API key before sending
+215 * - Expands file-based slash commands by default
+216 * @throws Error if no model selected or no API key available
+217 */
+218 async prompt(text: string, options?: PromptOptions): Promise<void> {
+219 const expandCommands = options?.expandSlashCommands ?? true;
+220
+221 // Validate model
+222 if (!this.model) {
+223 throw new Error(
+224 "No model selected.\n\n" +
+225 "Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" +
+226 `or create ${getModelsPath()}\n\n` +
+227 "Then use /model to select a model.",
+228 );
+229 }
+230
+231 // Validate API key
+232 const apiKey = await getApiKeyForModel(this.model);
+233 if (!apiKey) {
+234 throw new Error(
+235 `No API key found for ${this.model.provider}.\n\n` +
+236 `Set the appropriate environment variable or update ${getModelsPath()}`,
+237 );
+238 }
+239
+240 // Expand slash commands if requested
+241 const expandedText = expandCommands ? expandSlashCommand(text, [...this._fileCommands]) : text;
+242
+243 await this.agent.prompt(expandedText, options?.attachments);
+244 }
+245
+246 /** Queued messages waiting to be sent */
+247 private _queuedMessages: string[] = [];
+248
+249 /**
+250 * Queue a message to be sent after the current response completes.
+251 * Use when agent is currently streaming.
+252 */
+253 async queueMessage(text: string): Promise<void> {
+254 this._queuedMessages.push(text);
+255 await this.agent.queueMessage({
+256 role: "user",
+257 content: [{ type: "text", text }],
+258 timestamp: Date.now(),
+259 });
+260 }
+261
+262 /**
+263 * Clear queued messages and return them.
+264 * Useful for restoring to editor when user aborts.
+265 */
+266 clearQueue(): string[] {
+267 const queued = [...this._queuedMessages];
+268 this._queuedMessages = [];
+269 this.agent.clearMessageQueue();
+270 return queued;
+271 }
+272
+273 /** Number of messages currently queued */
+274 get queuedMessageCount(): number {
+275 return this._queuedMessages.length;
+276 }
+277
+278 /** Get queued messages (read-only) */
+279 getQueuedMessages(): readonly string[] {
+280 return this._queuedMessages;
+281 }
+282
+283 /**
+284 * Abort current operation and wait for agent to become idle.
+285 */
+286 async abort(): Promise<void> {
+287 this.agent.abort();
+288 await this.agent.waitForIdle();
+289 }
+290
+291 /**
+292 * Reset agent and session to start fresh.
+293 * Clears all messages and starts a new session.
+294 */
+295 async reset(): Promise<void> {
+296 this.unsubscribeAll();
+297 await this.abort();
+298 this.agent.reset();
+299 this.sessionManager.reset();
+300 this._queuedMessages = [];
+301 // Note: caller should re-subscribe after reset if needed
+302 }
199 }
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 122 characters to 2988 characters.
12:06:31 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:06:34 AM
I accidentally put the interface inside the class. Let me fix that:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:06:39 AM
I need to move the interface outside the class:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
37 /** File-based slash commands for expansion */
38 fileCommands?: FileSlashCommand[];
39 }
40
+ 41 /** Options for AgentSession.prompt() */
+ 42 export interface PromptOptions {
+ 43 /** Whether to expand file-based slash commands (default: true) */
+ 44 expandSlashCommands?: boolean;
+ 45 /** Image/file attachments */
+ 46 attachments?: Attachment[];
+ 47 }
+ 48
41 // ============================================================================
42 // AgentSession Class
43 // ============================================================================
44
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 347 characters to 584 characters.
12:06:45 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
208 // =========================================================================
209 // Prompting
210 // =========================================================================
211
-212 /** Options for prompt() */
-213 interface PromptOptions {
-214 /** Whether to expand file-based slash commands (default: true) */
-215 expandSlashCommands?: boolean;
-216 /** Image/file attachments */
-217 attachments?: Attachment[];
-218 }
-219
220 /**
221 * Send a prompt to the agent.
222 * - Validates model and API key before sending
223 * - Expands file-based slash commands by default
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 431 characters to 207 characters.
12:06:50 AM
Also need to move the `_queuedMessages` field to the top with other private fields:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
61 // Event subscription state
62 private _unsubscribeAgent?: () => void;
63 private _eventListeners: AgentEventListener[] = [];
64
+ 65 // Message queue state
+ 66 private _queuedMessages: string[] = [];
+ 67
65 constructor(config: AgentSessionConfig) {
66 this.agent = config.agent;
67 this.sessionManager = config.sessionManager;
68 this.settingsManager = config.settingsManager;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 122 characters to 188 characters.
12:06:56 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
245
246 await this.agent.prompt(expandedText, options?.attachments);
247 }
248
-249 /** Queued messages waiting to be sent */
-250 private _queuedMessages: string[] = [];
-251
252 /**
253 * Queue a message to be sent after the current response completes.
254 * Use when agent is currently streaming.
255 */
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 225 characters to 140 characters.
12:07:00 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:07:10 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
447
448 **Verification:**
449 1. `npm run check` passes
450
- 451 - [ ] Add `prompt()` method with validation and slash command expansion
- 452 - [ ] Add `queueMessage()` method
- 453 - [ ] Add `clearQueue()` method
- 454 - [ ] Add `abort()` method
- 455 - [ ] Add `reset()` method
- 456 - [ ] Verify with `npm run check`
+ 451 - [x] Add `prompt()` method with validation and slash command expansion
+ 452 - [x] Add `queueMessage()` method
+ 453 - [x] Add `clearQueue()` method
+ 454 - [x] Add `abort()` method
+ 455 - [x] Add `reset()` method
+ 456 - [x] Add `queuedMessageCount` getter and `getQueuedMessages()` method
+ 457 - [x] Verify with `npm run check`
457
458 ---
459
460 ### WP5: AgentSession - Model Management
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 227 characters to 298 characters.
12:07:18 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP4: Add AgentSession prompting methods (prompt, queue, abort, reset)"
12:07:30 AM
Now WP5: Model management. Let me add those methods:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:07:35 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
15
16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
17 import type { Model } from "@mariozechner/pi-ai";
18 import { getModelsPath } from "../config.js";
- 19 import { getApiKeyForModel } from "../model-config.js";
+ 19 import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
20 import type { SessionManager } from "../session-manager.js";
21 import type { SettingsManager } from "../settings-manager.js";
22 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
23
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 272 characters to 292 characters.
12:07:40 AM
Now add the model management and thinking level types/methods. First add the types after PromptOptions:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
45 /** Image/file attachments */
46 attachments?: Attachment[];
47 }
48
+ 49 /** Result from cycleModel() */
+ 50 export interface ModelCycleResult {
+ 51 model: Model<any>;
+ 52 thinkingLevel: ThinkingLevel;
+ 53 /** Whether cycling through scoped models (--models flag) or all available */
+ 54 isScoped: boolean;
+ 55 }
+ 56
49 // ============================================================================
50 // AgentSession Class
51 // ============================================================================
52
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 235 characters to 456 characters.
12:07:47 AM
Now add the model management and thinking level methods at the end of the class:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
307 this.sessionManager.reset();
308 this._queuedMessages = [];
309 // Note: caller should re-subscribe after reset if needed
310 }
+311
+312 // =========================================================================
+313 // Model Management
+314 // =========================================================================
+315
+316 /**
+317 * Set model directly.
+318 * Validates API key, saves to session and settings.
+319 * @throws Error if no API key available for the model
+320 */
+321 async setModel(model: Model<any>): Promise<void> {
+322 const apiKey = await getApiKeyForModel(model);
+323 if (!apiKey) {
+324 throw new Error(`No API key for ${model.provider}/${model.id}`);
+325 }
+326
+327 this.agent.setModel(model);
+328 this.sessionManager.saveModelChange(model.provider, model.id);
+329 this.settingsManager.setDefaultModelAndProvider(model.provider, model.id);
+330 }
+331
+332 /**
+333 * Cycle to next model.
+334 * Uses scoped models (from --models flag) if available, otherwise all available models.
+335 * @returns The new model info, or null if only one model available
+336 */
+337 async cycleModel(): Promise<ModelCycleResult | null> {
+338 if (this._scopedModels.length > 0) {
+339 return this._cycleScopedModel();
+340 }
+341 return this._cycleAvailableModel();
+342 }
+343
+344 private async _cycleScopedModel(): Promise<ModelCycleResult | null> {
+345 if (this._scopedModels.length <= 1) return null;
+346
+347 const currentModel = this.model;
+348 let currentIndex = this._scopedModels.findIndex(
+349 (sm) => sm.model.id === currentModel?.id && sm.model.provider === currentModel?.provider,
+350 );
+351
+352 if (currentIndex === -1) currentIndex = 0;
+353 const nextIndex = (currentIndex + 1) % this._scopedModels.length;
+354 const next = this._scopedModels[nextIndex];
+355
+356 // Validate API key
+357 const apiKey = await getApiKeyForModel(next.model);
+358 if (!apiKey) {
+359 throw new Error(`No API key for ${next.model.provider}/${next.model.id}`);
+360 }
+361
+362 // Apply model
+363 this.agent.setModel(next.model);
+364 this.sessionManager.saveModelChange(next.model.provider, next.model.id);
+365 this.settingsManager.setDefaultModelAndProvider(next.model.provider, next.model.id);
+366
+367 // Apply thinking level (silently use "off" if not supported)
+368 const effectiveThinking = next.model.reasoning ? next.thinkingLevel : "off";
+369 this.agent.setThinkingLevel(effectiveThinking);
+370 this.sessionManager.saveThinkingLevelChange(effectiveThinking);
+371 this.settingsManager.setDefaultThinkingLevel(effectiveThinking);
+372
+373 return { model: next.model, thinkingLevel: effectiveThinking, isScoped: true };
+374 }
+375
+376 private async _cycleAvailableModel(): Promise<ModelCycleResult | null> {
+377 const { models: availableModels, error } = await getAvailableModels();
+378 if (error) throw new Error(`Failed to load models: ${error}`);
+379 if (availableModels.length <= 1) return null;
+380
+381 const currentModel = this.model;
+382 let currentIndex = availableModels.findIndex(
+383 (m) => m.id === currentModel?.id && m.provider === currentModel?.provider,
+384 );
+385
+386 if (currentIndex === -1) currentIndex = 0;
+387 const nextIndex = (currentIndex + 1) % availableModels.length;
+388 const nextModel = availableModels[nextIndex];
+389
+390 const apiKey = await getApiKeyForModel(nextModel);
+391 if (!apiKey) {
+392 throw new Error(`No API key for ${nextModel.provider}/${nextModel.id}`);
+393 }
+394
+395 this.agent.setModel(nextModel);
+396 this.sessionManager.saveModelChange(nextModel.provider, nextModel.id);
+397 this.settingsManager.setDefaultModelAndProvider(nextModel.provider, nextModel.id);
+398
+399 return { model: nextModel, thinkingLevel: this.thinkingLevel, isScoped: false };
+400 }
+401
+402 /**
+403 * Get all available models with valid API keys.
+404 */
+405 async getAvailableModels(): Promise<Model<any>[]> {
+406 const { models, error } = await getAvailableModels();
+407 if (error) throw new Error(error);
+408 return models;
+409 }
+410
+411 // =========================================================================
+412 // Thinking Level Management
+413 // =========================================================================
+414
+415 /**
+416 * Set thinking level.
+417 * Silently uses "off" if model doesn't support thinking.
+418 * Saves to session and settings.
+419 */
+420 setThinkingLevel(level: ThinkingLevel): void {
+421 const effectiveLevel = this.supportsThinking() ? level : "off";
+422 this.agent.setThinkingLevel(effectiveLevel);
+423 this.sessionManager.saveThinkingLevelChange(effectiveLevel);
+424 this.settingsManager.setDefaultThinkingLevel(effectiveLevel);
+425 }
+426
+427 /**
+428 * Cycle to next thinking level.
+429 * @returns New level, or null if model doesn't support thinking
+430 */
+431 cycleThinkingLevel(): ThinkingLevel | null {
+432 if (!this.supportsThinking()) return null;
+433
+434 const modelId = this.model?.id || "";
+435 const supportsXhigh = modelId.includes("codex-max");
+436 const levels: ThinkingLevel[] = supportsXhigh
+437 ? ["off", "minimal", "low", "medium", "high", "xhigh"]
+438 : ["off", "minimal", "low", "medium", "high"];
+439
+440 const currentIndex = levels.indexOf(this.thinkingLevel);
+441 const nextIndex = (currentIndex + 1) % levels.length;
+442 const nextLevel = levels[nextIndex];
+443
+444 this.setThinkingLevel(nextLevel);
+445 return nextLevel;
+446 }
+447
+448 /**
+449 * Check if current model supports thinking/reasoning.
+450 */
+451 supportsThinking(): boolean {
+452 return !!this.model?.reasoning;
+453 }
+454
+455 // =========================================================================
+456 // Queue Mode Management
+457 // =========================================================================
+458
+459 /**
+460 * Set message queue mode.
+461 * Saves to settings.
+462 */
+463 setQueueMode(mode: "all" | "one-at-a-time"): void {
+464 this.agent.setQueueMode(mode);
+465 this.settingsManager.setQueueMode(mode);
+466 }
311 }
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 329 characters to 5694 characters.
12:08:10 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:08:21 AM
Now update the checkboxes for WP5 and WP6:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
574
575 **Verification:**
576 1. `npm run check` passes
577
- 578 - [ ] Add `ModelCycleResult` interface
- 579 - [ ] Add `setModel()` method
- 580 - [ ] Add `cycleModel()` method with scoped/available variants
- 581 - [ ] Add `getAvailableModels()` method
- 582 - [ ] Verify with `npm run check`
+ 578 - [x] Add `ModelCycleResult` interface
+ 579 - [x] Add `setModel()` method
+ 580 - [x] Add `cycleModel()` method with scoped/available variants
+ 581 - [x] Add `getAvailableModels()` method
+ 582 - [x] Verify with `npm run check`
583
584 ---
585
586 ### WP6: AgentSession - Thinking Level Management
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 205 characters to 205 characters.
12:08:27 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
638
639 **Verification:**
640 1. `npm run check` passes
641
- 642 - [ ] Add `setThinkingLevel()` method
- 643 - [ ] Add `cycleThinkingLevel()` method
- 644 - [ ] Add `supportsThinking()` method
- 645 - [ ] Add `setQueueMode()` method and `queueMode` getter (see below)
- 646 - [ ] Verify with `npm run check`
+ 642 - [x] Add `setThinkingLevel()` method
+ 643 - [x] Add `cycleThinkingLevel()` method
+ 644 - [x] Add `supportsThinking()` method
+ 645 - [x] Add `setQueueMode()` method and `queueMode` getter (see below)
+ 646 - [x] Verify with `npm run check`
647
648 **Queue mode (add to same WP):**
649 ```typescript
650 // Add to AgentSession class
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 218 characters to 218 characters.
12:08:32 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP5+WP6: Add AgentSession model, thinking level, and queue mode management"
12:08:42 AM
Now WP7: Compaction. This is a bigger one. Let me add it:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:08:47 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
13 * Modes use this class and add their own I/O layer on top.
14 */
15
16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
- 17 import type { Model } from "@mariozechner/pi-ai";
+ 17 import type { AssistantMessage, Model } from "@mariozechner/pi-ai";
+ 18 import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
18 import { getModelsPath } from "../config.js";
19 import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
- 20 import type { SessionManager } from "../session-manager.js";
+ 21 import { loadSessionFromEntries, type SessionManager } from "../session-manager.js";
21 import type { SettingsManager } from "../settings-manager.js";
22 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
23
24 /** Listener function for agent events */
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 498 characters to 623 characters.
12:08:53 AM
Now add the CompactionResult interface after ModelCycleResult:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
54 /** Whether cycling through scoped models (--models flag) or all available */
55 isScoped: boolean;
56 }
57
+ 58 /** Result from compact() or checkAutoCompaction() */
+ 59 export interface CompactionResult {
+ 60 tokensBefore: number;
+ 61 tokensAfter: number;
+ 62 summary: string;
+ 63 }
+ 64
58 // ============================================================================
59 // AgentSession Class
60 // ============================================================================
61
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 219 characters to 375 characters.
12:08:59 AM
Now add the compaction abort controller to the class fields:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
80
81 // Message queue state
82 private _queuedMessages: string[] = [];
83
+ 84 // Compaction state
+ 85 private _compactionAbortController: AbortController | null = null;
+ 86
84 constructor(config: AgentSessionConfig) {
85 this.agent = config.agent;
86 this.sessionManager = config.sessionManager;
87 this.settingsManager = config.settingsManager;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 64 characters to 154 characters.
12:09:05 AM
Now add the compaction methods at the end of the class (before the closing brace). First let me see where we left off:
$ cd /Users/badlogic/workspaces/pi-mono && tail -30 packages/coding-agent/src/core/agent-session.ts
12:09:09 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
474 setQueueMode(mode: "all" | "one-at-a-time"): void {
475 this.agent.setQueueMode(mode);
476 this.settingsManager.setQueueMode(mode);
477 }
+478
+479 // =========================================================================
+480 // Compaction
+481 // =========================================================================
+482
+483 /**
+484 * Manually compact the session context.
+485 * Aborts current agent operation first.
+486 * @param customInstructions Optional instructions for the compaction summary
+487 */
+488 async compact(customInstructions?: string): Promise<CompactionResult> {
+489 // Abort any running operation
+490 this.unsubscribeAll();
+491 await this.abort();
+492
+493 // Create abort controller
+494 this._compactionAbortController = new AbortController();
+495
+496 try {
+497 if (!this.model) {
+498 throw new Error("No model selected");
+499 }
+500
+501 const apiKey = await getApiKeyForModel(this.model);
+502 if (!apiKey) {
+503 throw new Error(`No API key for ${this.model.provider}`);
+504 }
+505
+506 const entries = this.sessionManager.loadEntries();
+507 const settings = this.settingsManager.getCompactionSettings();
+508 const compactionEntry = await compact(
+509 entries,
+510 this.model,
+511 settings,
+512 apiKey,
+513 this._compactionAbortController.signal,
+514 customInstructions,
+515 );
+516
+517 if (this._compactionAbortController.signal.aborted) {
+518 throw new Error("Compaction cancelled");
+519 }
+520
+521 // Save and reload
+522 this.sessionManager.saveCompaction(compactionEntry);
+523 const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
+524 this.agent.replaceMessages(loaded.messages);
+525
+526 return {
+527 tokensBefore: compactionEntry.tokensBefore,
+528 tokensAfter: compactionEntry.tokensAfter,
+529 summary: compactionEntry.summary,
+530 };
+531 } finally {
+532 this._compactionAbortController = null;
+533 // Note: caller needs to call resubscribe() after compaction
+534 }
+535 }
+536
+537 /**
+538 * Cancel in-progress compaction.
+539 */
+540 abortCompaction(): void {
+541 this._compactionAbortController?.abort();
+542 }
+543
+544 /**
+545 * Check if auto-compaction should run, and run it if so.
+546 * Called internally after assistant messages.
+547 * @returns Result if compaction occurred, null otherwise
+548 */
+549 async checkAutoCompaction(): Promise<CompactionResult | null> {
+550 const settings = this.settingsManager.getCompactionSettings();
+551 if (!settings.enabled) return null;
+552
+553 // Get last non-aborted assistant message
+554 const messages = this.messages;
+555 let lastAssistant: AssistantMessage | null = null;
+556 for (let i = messages.length - 1; i >= 0; i--) {
+557 const msg = messages[i];
+558 if (msg.role === "assistant") {
+559 const assistantMsg = msg as AssistantMessage;
+560 if (assistantMsg.stopReason !== "aborted") {
+561 lastAssistant = assistantMsg;
+562 break;
+563 }
+564 }
+565 }
+566 if (!lastAssistant) return null;
+567
+568 const contextTokens = calculateContextTokens(lastAssistant.usage);
+569 const contextWindow = this.model?.contextWindow ?? 0;
+570
+571 if (!shouldCompact(contextTokens, contextWindow, settings)) return null;
+572
+573 // Perform auto-compaction (don't abort current operation for auto)
+574 try {
+575 if (!this.model) return null;
+576
+577 const apiKey = await getApiKeyForModel(this.model);
+578 if (!apiKey) return null;
+579
+580 const entries = this.sessionManager.loadEntries();
+581 const compactionEntry = await compact(entries, this.model, settings, apiKey);
+582
+583 this.sessionManager.saveCompaction(compactionEntry);
+584 const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
+585 this.agent.replaceMessages(loaded.messages);
+586
+587 return {
+588 tokensBefore: compactionEntry.tokensBefore,
+589 tokensAfter: compactionEntry.tokensAfter,
+590 summary: compactionEntry.summary,
+591 };
+592 } catch {
+593 return null; // Silently fail auto-compaction
+594 }
+595 }
+596
+597 /**
+598 * Toggle auto-compaction setting.
+599 */
+600 setAutoCompactionEnabled(enabled: boolean): void {
+601 this.settingsManager.setCompactionEnabled(enabled);
+602 }
+603
+604 /** Whether auto-compaction is enabled */
+605 get autoCompactionEnabled(): boolean {
+606 return this.settingsManager.getCompactionEnabled();
+607 }
478 }
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 377 characters to 4207 characters.
12:09:28 AM
Now let me also update the subscribe method to actually call checkAutoCompaction:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
121 this.sessionManager.startSession(this.agent.state);
122 }
123
124 // Check auto-compaction after assistant messages
-125 // (will be implemented in WP7)
-126 // if (event.message.role === "assistant") {
-127 // await this.checkAutoCompaction();
-128 // }
+125 if (event.message.role === "assistant") {
+126 await this.checkAutoCompaction();
+127 }
129 }
130 });
131 }
132
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 195 characters to 148 characters.
12:09:34 AM
Also update resubscribe to include auto-compaction:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
167
168 if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
169 this.sessionManager.startSession(this.agent.state);
170 }
+171
+172 // Check auto-compaction after assistant messages
+173 if (event.message.role === "assistant") {
+174 await this.checkAutoCompaction();
+175 }
171 }
172 });
173 }
174
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 464 characters to 610 characters.
12:09:41 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:09:51 AM
Let me check the CompactionEntry type:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "CompactionEntry\|tokensAfter\|tokensBefore" packages/coding-agent/src/session-manager.ts | head -20
12:09:55 AM
The CompactionEntry has `tokensBefore` but not `tokensAfter`. Let me check what properties it has:
read ~/workspaces/pi-mono/packages/coding-agent/src/session-manager.ts
12:09:59 AM
I see, there's no `tokensAfter`. Let me update the CompactionResult interface to match what's actually available:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
57
58 /** Result from compact() or checkAutoCompaction() */
59 export interface CompactionResult {
60 tokensBefore: number;
- 61 tokensAfter: number;
62 summary: string;
63 }
64
65 // ============================================================================
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 154 characters to 132 characters.
12:10:04 AM
Aborted
12:10:51 AM
slight steering: why does unsubscribe clear the event listeners? i would assume a user of agentSession would setup their listener once, then assume agent session holds on to them. if we do e.g. compact or branch or whatevr and reset or temporarily un and re-subscribe, those event lsiteners should still be there, no?
12:10:51 AM
The user is right. The current design has a flaw:

1. User calls `session.subscribe(myListener)` - adds listener to `_eventListeners`
2. Some internal operation calls `unsubscribeAll()` - clears all listeners!
3. Then `resubscribe()` is called - but `_eventListeners` is now empty
4. User's listener is gone

The correct design should be:
- `_eventListeners` stores the user's listeners and persists across internal operations
- `unsubscribeAll()` should only disconnect from the agent, not clear the listeners
- `resubscribe()` reconnects to the agent and uses the existing listeners

Let me fix this. The `unsubscribeAll()` should NOT clear `_eventListeners`, only disconnect from the agent.

Actually, looking at the code more carefully:
- `unsubscribeAll()` clears `_eventListeners` - this is wrong
- `resubscribe()` expects `_eventListeners` to still have listeners

The fix is simple: `unsubscribeAll()` should only clear `_unsubscribeAgent`, not `_eventListeners`.

But wait, there's also a use case where someone might want to fully clean up. Maybe we need two methods:
1. `_disconnectFromAgent()` - internal, just stops the agent subscription but keeps listeners
2. `dispose()` or `cleanup()` - public, for full cleanup when done with the session

Let me just fix `unsubscribeAll()` to not clear the listeners, since that's what the user is asking about.
You're absolutely right. That's a bug in my design. `unsubscribeAll()` should only disconnect from the agent, not clear the user's listeners. Let me fix that:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
137 };
138 }
139
140 /**
-141 * Unsubscribe from agent entirely and clear all listeners.
-142 * Used during reset/cleanup operations.
+141 * Temporarily disconnect from agent events.
+142 * User listeners are preserved and will receive events again after resubscribe().
+143 * Used internally during operations that need to pause event processing.
143 */
-144 unsubscribeAll(): void {
+145 private _disconnectFromAgent(): void {
145 if (this._unsubscribeAgent) {
146 this._unsubscribeAgent();
147 this._unsubscribeAgent = undefined;
148 }
-149 this._eventListeners = [];
150 }
151
152 /**
-153 * Re-subscribe to agent after unsubscribeAll.
-154 * Call this after operations that require temporary unsubscription.
+153 * Reconnect to agent events after _disconnectFromAgent().
+154 * Preserves all existing listeners.
155 */
-156 resubscribe(): void {
-157 if (this._unsubscribeAgent) return; // Already subscribed
+156 private _reconnectToAgent(): void {
+157 if (this._unsubscribeAgent) return; // Already connected
158
159 this._unsubscribeAgent = this.agent.subscribe(async (event) => {
160 for (const l of this._eventListeners) {
161 l(event);
162 }
163
164 if (event.type === "message_end") {
165 this.sessionManager.saveMessage(event.message);
166
167 if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
168 this.sessionManager.startSession(this.agent.state);
169 }
170
171 // Check auto-compaction after assistant messages
172 if (event.message.role === "assistant") {
173 await this.checkAutoCompaction();
174 }
175 }
176 });
177 }
178
+179 /**
+180 * Remove all listeners and disconnect from agent.
+181 * Call this when completely done with the session.
+182 */
+183 dispose(): void {
+184 this._disconnectFromAgent();
+185 this._eventListeners = [];
+186 }
+187
179 // =========================================================================
180 // Read-only State Access
181 // =========================================================================
182
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 1014 characters to 1292 characters.
12:11:09 AM
Now update the places that use `unsubscribeAll()` to use `_disconnectFromAgent()`:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "unsubscribeAll\|resubscribe" packages/coding-agent/src/core/agent-session.ts
142: * User listeners are preserved and will receive events again after resubscribe().
327: this.unsubscribeAll();
502: this.unsubscribeAll();
545: // Note: caller needs to call resubscribe() after compaction
12:11:13 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
321
322 /**
323 * Reset agent and session to start fresh.
324 * Clears all messages and starts a new session.
+325 * Listeners are preserved and will continue receiving events.
325 */
326 async reset(): Promise<void> {
-327 this.unsubscribeAll();
+328 this._disconnectFromAgent();
328 await this.abort();
329 this.agent.reset();
330 this.sessionManager.reset();
331 this._queuedMessages = [];
-332 // Note: caller should re-subscribe after reset if needed
+333 this._reconnectToAgent();
333 }
334
335 // =========================================================================
336 // Model Management
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 327 characters to 365 characters.
12:11:19 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
499 * @param customInstructions Optional instructions for the compaction summary
500 */
501 async compact(customInstructions?: string): Promise<CompactionResult> {
502 // Abort any running operation
-503 this.unsubscribeAll();
+503 this._disconnectFromAgent();
504 await this.abort();
505
506 // Create abort controller
507 this._compactionAbortController = new AbortController();
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 152 characters to 158 characters.
12:11:24 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
537 this.agent.replaceMessages(loaded.messages);
538
539 return {
540 tokensBefore: compactionEntry.tokensBefore,
-541 tokensAfter: compactionEntry.tokensAfter,
542 summary: compactionEntry.summary,
543 };
544 } finally {
545 this._compactionAbortController = null;
-546 // Note: caller needs to call resubscribe() after compaction
+545 this._reconnectToAgent();
547 }
548 }
549
550 /**
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 261 characters to 180 characters.
12:11:30 AM
Also fix the auto-compaction return:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "tokensAfter" packages/coding-agent/src/core/agent-session.ts
601: tokensAfter: compactionEntry.tokensAfter,
12:11:35 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:11:38 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
597 this.agent.replaceMessages(loaded.messages);
598
599 return {
600 tokensBefore: compactionEntry.tokensBefore,
-601 tokensAfter: compactionEntry.tokensAfter,
602 summary: compactionEntry.summary,
603 };
604 } catch {
605 return null; // Silently fail auto-compaction
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 217 characters to 171 characters.
12:11:43 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:11:52 AM
Now update the checkboxes and commit:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
340 **Verification:**
341 1. `npm run check` passes
342
343 - [x] Add `subscribe()` method to AgentSession
- 344 - [x] Add `unsubscribeAll()` method
- 345 - [x] Add `resubscribe()` method
+ 344 - [x] Add `_disconnectFromAgent()` private method (renamed from unsubscribeAll)
+ 345 - [x] Add `_reconnectToAgent()` private method (renamed from resubscribe)
+ 346 - [x] Add `dispose()` public method for full cleanup
346 - [x] Verify with `npm run check`
347
348 ---
349
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 149 characters to 287 characters.
12:11:58 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
808
809 **Verification:**
810 1. `npm run check` passes
811
- 812 - [ ] Add `CompactionResult` interface
- 813 - [ ] Add `compact()` method
- 814 - [ ] Add `abortCompaction()` method
- 815 - [ ] Add `checkAutoCompaction()` method
- 816 - [ ] Add `setAutoCompactionEnabled()` and getter
- 817 - [ ] Verify with `npm run check`
+ 812 - [x] Add `CompactionResult` interface
+ 813 - [x] Add `compact()` method
+ 814 - [x] Add `abortCompaction()` method
+ 815 - [x] Add `checkAutoCompaction()` method
+ 816 - [x] Add `setAutoCompactionEnabled()` and getter
+ 817 - [x] Verify with `npm run check`
818
819 ---
820
821 ### WP8: AgentSession - Bash Execution
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 229 characters to 229 characters.
12:12:03 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP7: Add AgentSession compaction (manual + auto), fix listener preservation"
12:12:13 AM
Now WP8: Bash execution. This uses the bash-executor we created in WP1:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
16 import type { Agent, AgentEvent, AgentState, AppMessage, Attachment, ThinkingLevel } from "@mariozechner/pi-agent-core";
17 import type { AssistantMessage, Model } from "@mariozechner/pi-ai";
18 import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
19 import { getModelsPath } from "../config.js";
+ 20 import type { BashExecutionMessage } from "../messages.js";
20 import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
21 import { loadSessionFromEntries, type SessionManager } from "../session-manager.js";
22 import type { SettingsManager } from "../settings-manager.js";
23 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
+ 25 import { executeBash as executeBashCommand, type BashResult } from "./bash-executor.js";
24
25 /** Listener function for agent events */
26 export type AgentEventListener = (event: AgentEvent) => void;
27
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 623 characters to 772 characters.
12:12:23 AM
Now add the bash abort controller to class fields:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
84
85 // Compaction state
86 private _compactionAbortController: AbortController | null = null;
87
+ 88 // Bash execution state
+ 89 private _bashAbortController: AbortController | null = null;
+ 90
88 constructor(config: AgentSessionConfig) {
89 this.agent = config.agent;
90 this.sessionManager = config.sessionManager;
91 this.settingsManager = config.settingsManager;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 88 characters to 176 characters.
12:12:28 AM
Now add the bash execution methods at the end of the class. Let me find the end:
$ cd /Users/badlogic/workspaces/pi-mono && tail -20 packages/coding-agent/src/core/agent-session.ts
12:12:32 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
620 /** Whether auto-compaction is enabled */
621 get autoCompactionEnabled(): boolean {
622 return this.settingsManager.getCompactionEnabled();
623 }
+624
+625 // =========================================================================
+626 // Bash Execution
+627 // =========================================================================
+628
+629 /**
+630 * Execute a bash command.
+631 * Adds result to agent context and session.
+632 * @param command The bash command to execute
+633 * @param onChunk Optional streaming callback for output
+634 */
+635 async executeBash(command: string, onChunk?: (chunk: string) => void): Promise<BashResult> {
+636 this._bashAbortController = new AbortController();
+637
+638 try {
+639 const result = await executeBashCommand(command, {
+640 onChunk,
+641 signal: this._bashAbortController.signal,
+642 });
+643
+644 // Create and save message
+645 const bashMessage: BashExecutionMessage = {
+646 role: "bashExecution",
+647 command,
+648 output: result.output,
+649 exitCode: result.exitCode,
+650 cancelled: result.cancelled,
+651 truncated: result.truncated,
+652 fullOutputPath: result.fullOutputPath,
+653 timestamp: Date.now(),
+654 };
+655
+656 // Add to agent state
+657 this.agent.appendMessage(bashMessage);
+658
+659 // Save to session
+660 this.sessionManager.saveMessage(bashMessage);
+661
+662 // Initialize session if needed
+663 if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
+664 this.sessionManager.startSession(this.agent.state);
+665 }
+666
+667 return result;
+668 } finally {
+669 this._bashAbortController = null;
+670 }
+671 }
+672
+673 /**
+674 * Cancel running bash command.
+675 */
+676 abortBash(): void {
+677 this._bashAbortController?.abort();
+678 }
+679
+680 /** Whether a bash command is currently running */
+681 get isBashRunning(): boolean {
+682 return this._bashAbortController !== null;
+683 }
624 }
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 141 characters to 1735 characters.
12:12:42 AM
Also need to re-export BashResult from the index:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
/**
* Core modules shared between all run modes.
*/
export { AgentSession, type AgentSessionConfig } from "./agent-session.js";
export { type BashExecutorOptions, type BashResult, executeBash } from "./bash-executor.js";
12:12:47 AM
Good, BashResult is already exported. Let me also export the other types from agent-session:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
1 /**
2 * Core modules shared between all run modes.
3 */
4
- 5 export { AgentSession, type AgentSessionConfig } from "./agent-session.js";
+ 5 export {
+ 6 AgentSession,
+ 7 type AgentEventListener,
+ 8 type AgentSessionConfig,
+ 9 type CompactionResult,
+10 type ModelCycleResult,
+11 type PromptOptions,
+12 } from "./agent-session.js";
6 export { type BashExecutorOptions, type BashResult, executeBash } from "./bash-executor.js";
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts. Changed 75 characters to 173 characters.
12:12:52 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:13:02 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
887
888 **Verification:**
889 1. `npm run check` passes
890
- 891 - [ ] Add bash execution methods using bash-executor module
- 892 - [ ] Verify with `npm run check`
+ 891 - [x] Add bash execution methods using bash-executor module
+ 892 - [x] Verify with `npm run check`
893
894 ---
895
896 ### WP9: AgentSession - Session Management
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 93 characters to 93 characters.
12:13:07 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP8: Add AgentSession bash execution"
12:13:16 AM
Now WP9: Session management (switchSession, branch, getSessionStats, exportToHtml). This is a substantial one:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
18 import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
19 import { getModelsPath } from "../config.js";
20 import type { BashExecutionMessage } from "../messages.js";
21 import { getApiKeyForModel, getAvailableModels } from "../model-config.js";
+ 22 import { exportSessionToHtml } from "../export-html.js";
22 import { loadSessionFromEntries, type SessionManager } from "../session-manager.js";
23 import type { SettingsManager } from "../settings-manager.js";
24 import { expandSlashCommand, type FileSlashCommand } from "../slash-commands.js";
25 import { type BashResult, executeBash as executeBashCommand } from "./bash-executor.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 84 characters to 141 characters.
12:13:22 AM
Now add the SessionStats interface after CompactionResult:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
63 tokensBefore: number;
64 summary: string;
65 }
66
+ 67 /** Session statistics for /session command */
+ 68 export interface SessionStats {
+ 69 sessionFile: string;
+ 70 sessionId: string;
+ 71 userMessages: number;
+ 72 assistantMessages: number;
+ 73 toolCalls: number;
+ 74 toolResults: number;
+ 75 totalMessages: number;
+ 76 tokens: {
+ 77 input: number;
+ 78 output: number;
+ 79 cacheRead: number;
+ 80 cacheWrite: number;
+ 81 total: number;
+ 82 };
+ 83 cost: number;
+ 84 }
+ 85
67 // ============================================================================
68 // AgentSession Class
69 // ============================================================================
70
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 132 characters to 498 characters.
12:13:30 AM
Now add the session management methods at the end:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
...
700 /** Whether a bash command is currently running */
701 get isBashRunning(): boolean {
702 return this._bashAbortController !== null;
703 }
+704
+705 // =========================================================================
+706 // Session Management
+707 // =========================================================================
+708
+709 /**
+710 * Switch to a different session file.
+711 * Aborts current operation, loads messages, restores model/thinking.
+712 * Listeners are preserved and will continue receiving events.
+713 */
+714 async switchSession(sessionPath: string): Promise<void> {
+715 this._disconnectFromAgent();
+716 await this.abort();
+717 this._queuedMessages = [];
+718
+719 // Set new session
+720 this.sessionManager.setSessionFile(sessionPath);
+721
+722 // Reload messages
+723 const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
+724 this.agent.replaceMessages(loaded.messages);
+725
+726 // Restore model if saved
+727 const savedModel = this.sessionManager.loadModel();
+728 if (savedModel) {
+729 const availableModels = (await getAvailableModels()).models;
+730 const match = availableModels.find((m) => m.provider === savedModel.provider && m.id === savedModel.modelId);
+731 if (match) {
+732 this.agent.setModel(match);
+733 }
+734 }
+735
+736 // Restore thinking level if saved
+737 const savedThinking = this.sessionManager.loadThinkingLevel();
+738 if (savedThinking) {
+739 this.agent.setThinkingLevel(savedThinking as ThinkingLevel);
+740 }
+741
+742 this._reconnectToAgent();
+743 }
+744
+745 /**
+746 * Create a branch from a specific entry index.
+747 * @param entryIndex Index into session entries to branch from
+748 * @returns The text of the selected user message (for editor pre-fill)
+749 */
+750 branch(entryIndex: number): string {
+751 const entries = this.sessionManager.loadEntries();
+752 const selectedEntry = entries[entryIndex];
+753
+754 if (!selectedEntry || selectedEntry.type !== "message" || selectedEntry.message.role !== "user") {
+755 throw new Error("Invalid entry index for branching");
+756 }
+757
+758 const selectedText = this._extractUserMessageText(selectedEntry.message.content);
+759
+760 // Create branched session
+761 const newSessionFile = this.sessionManager.createBranchedSessionFromEntries(entries, entryIndex);
+762 this.sessionManager.setSessionFile(newSessionFile);
+763
+764 // Reload
+765 const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
+766 this.agent.replaceMessages(loaded.messages);
+767
+768 return selectedText;
+769 }
+770
+771 /**
+772 * Get all user messages from session for branch selector.
+773 */
+774 getUserMessagesForBranching(): Array<{ entryIndex: number; text: string }> {
+775 const entries = this.sessionManager.loadEntries();
+776 const result: Array<{ entryIndex: number; text: string }> = [];
+777
+778 for (let i = 0; i < entries.length; i++) {
+779 const entry = entries[i];
+780 if (entry.type !== "message") continue;
+781 if (entry.message.role !== "user") continue;
+782
+783 const text = this._extractUserMessageText(entry.message.content);
+784 if (text) {
+785 result.push({ entryIndex: i, text });
+786 }
+787 }
+788
+789 return result;
+790 }
+791
+792 private _extractUserMessageText(content: string | Array<{ type: string; text?: string }>): string {
+793 if (typeof content === "string") return content;
+794 if (Array.isArray(content)) {
+795 return content
+796 .filter((c): c is { type: "text"; text: string } => c.type === "text")
+797 .map((c) => c.text)
+798 .join("");
+799 }
+800 return "";
+801 }
+802
+803 /**
+804 * Get session statistics.
+805 */
+806 getSessionStats(): SessionStats {
+807 const state = this.state;
+808 const userMessages = state.messages.filter((m) => m.role === "user").length;
+809 const assistantMessages = state.messages.filter((m) => m.role === "assistant").length;
+810 const toolResults = state.messages.filter((m) => m.role === "toolResult").length;
+811
+812 let toolCalls = 0;
+813 let totalInput = 0;
+814 let totalOutput = 0;
+815 let totalCacheRead = 0;
+816 let totalCacheWrite = 0;
+817 let totalCost = 0;
+818
+819 for (const message of state.messages) {
+820 if (message.role === "assistant") {
+821 const assistantMsg = message as AssistantMessage;
+822 toolCalls += assistantMsg.content.filter((c) => c.type === "toolCall").length;
+823 totalInput += assistantMsg.usage.input;
+824 totalOutput += assistantMsg.usage.output;
+825 totalCacheRead += assistantMsg.usage.cacheRead;
+826 totalCacheWrite += assistantMsg.usage.cacheWrite;
+827 totalCost += assistantMsg.usage.cost.total;
+828 }
+829 }
+830
+831 return {
+832 sessionFile: this.sessionFile,
+833 sessionId: this.sessionId,
+834 userMessages,
+835 assistantMessages,
+836 toolCalls,
+837 toolResults,
+838 totalMessages: state.messages.length,
+839 tokens: {
+840 input: totalInput,
+841 output: totalOutput,
+842 cacheRead: totalCacheRead,
+843 cacheWrite: totalCacheWrite,
+844 total: totalInput + totalOutput + totalCacheRead + totalCacheWrite,
+845 },
+846 cost: totalCost,
+847 };
+848 }
+849
+850 /**
+851 * Export session to HTML.
+852 * @param outputPath Optional output path (defaults to session directory)
+853 * @returns Path to exported file
+854 */
+855 exportToHtml(outputPath?: string): string {
+856 return exportSessionToHtml(this.sessionManager, this.state, outputPath);
+857 }
+858
+859 // =========================================================================
+860 // Utilities
+861 // =========================================================================
+862
+863 /**
+864 * Get text content of last assistant message.
+865 * Useful for /copy command.
+866 * @returns Text content, or null if no assistant message exists
+867 */
+868 getLastAssistantText(): string | null {
+869 const lastAssistant = this.messages
+870 .slice()
+871 .reverse()
+872 .find((m) => m.role === "assistant");
+873
+874 if (!lastAssistant) return null;
+875
+876 let text = "";
+877 for (const content of (lastAssistant as AssistantMessage).content) {
+878 if (content.type === "text") {
+879 text += content.text;
+880 }
+881 }
+882
+883 return text.trim() || null;
+884 }
704 }
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts. Changed 133 characters to 5633 characters.
12:13:54 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:14:07 AM
Update the index.ts to export SessionStats:
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
Could not find the exact text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts. The old text must match exactly including all whitespace and newlines.
12:14:13 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
12:14:17 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/core/index.ts
...
8 type AgentSessionConfig,
9 type CompactionResult,
10 type ModelCycleResult,
11 type PromptOptions,
+12 type SessionStats,
12 } from "./agent-session.js";
13 export { type BashExecutorOptions, type BashResult, executeBash } from "./bash-executor.js";
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts. Changed 173 characters to 193 characters.
12:14:21 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:14:31 AM
Now update checkboxes for WP9 and WP10 (we also added getLastAssistantText):
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1074
1075 **Verification:**
1076 1. `npm run check` passes
1077
-1078 - [ ] Add `SessionStats` interface
-1079 - [ ] Add `switchSession()` method
-1080 - [ ] Add `branch()` method
-1081 - [ ] Add `getUserMessagesForBranching()` method
-1082 - [ ] Add `getSessionStats()` method
-1083 - [ ] Add `exportToHtml()` method
-1084 - [ ] Verify with `npm run check`
+1078 - [x] Add `SessionStats` interface
+1079 - [x] Add `switchSession()` method
+1080 - [x] Add `branch()` method
+1081 - [x] Add `getUserMessagesForBranching()` method
+1082 - [x] Add `getSessionStats()` method
+1083 - [x] Add `exportToHtml()` method
+1084 - [x] Verify with `npm run check`
1085
1086 ---
1087
1088 ### WP10: AgentSession - Utility Methods
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 251 characters to 251 characters.
12:14:38 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1137
1138 **Verification:**
1139 1. `npm run check` passes
1140
-1141 - [ ] Add `getLastAssistantText()` method
-1142 - [ ] Add `queuedMessageCount` getter
-1143 - [ ] Add `getQueuedMessages()` method
-1144 - [ ] Verify with `npm run check`
+1141 - [x] Add `getLastAssistantText()` method
+1142 - [x] Add `queuedMessageCount` getter (done in WP4)
+1143 - [x] Add `getQueuedMessages()` method (done in WP4)
+1144 - [x] Verify with `npm run check`
1145
1146 ---
1147
1148 ### WP11: Create print-mode.ts
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 152 characters to 180 characters.
12:14:43 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP9+WP10: Add AgentSession session management and utility methods"
12:14:53 AM
AgentSession is now complete! Let me show the progress:
$ cd /Users/badlogic/workspaces/pi-mono && wc -l packages/coding-agent/src/core/agent-session.ts
885 packages/coding-agent/src/core/agent-session.ts
12:14:58 AM
$ cd /Users/badlogic/workspaces/pi-mono && git log --oneline refactor | head -15
12:15:02 AM
Excellent progress! We've completed WP1-WP10. The `AgentSession` class is now 885 lines and contains all the shared logic.

Now let's move on to WP11: Create print-mode.ts:
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes
(no output)
12:15:07 AM
write ~/workspaces/pi-mono/packages/coding-agent/src/modes/print-mode.ts (70 lines)
Successfully wrote 1999 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/print-mode.ts
12:15:19 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:15:29 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1215 **Verification:**
1216 1. `npm run check` passes
1217 2. Manual test: `pi -p "echo hello"` still works
1218
-1219 - [ ] Create `src/modes/print-mode.ts`
-1220 - [ ] Verify with `npm run check`
+1219 - [x] Create `src/modes/print-mode.ts`
+1220 - [x] Verify with `npm run check`
1221
1222 ---
1223
1224 ### WP12: Create rpc-mode.ts
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 72 characters to 72 characters.
12:15:34 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP11: Create print-mode.ts"
12:15:44 AM
Now WP12: Create rpc-mode.ts:
write ~/workspaces/pi-mono/packages/coding-agent/src/modes/rpc-mode.ts (85 lines)
Successfully wrote 2345 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/rpc-mode.ts
12:15:56 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:16:07 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1307 **Verification:**
1308 1. `npm run check` passes
1309 2. Manual test: RPC mode still works (if you have a way to test it)
1310
-1311 - [ ] Create `src/modes/rpc-mode.ts`
-1312 - [ ] Verify with `npm run check`
+1311 - [x] Create `src/modes/rpc-mode.ts`
+1312 - [x] Verify with `npm run check`
1313
1314 ---
1315
1316 ### WP13: Create modes/index.ts barrel export
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 122 characters to 122 characters.
12:16:13 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP12: Create rpc-mode.ts"
12:16:23 AM
WP13: Create modes/index.ts:
write ~/workspaces/pi-mono/packages/coding-agent/src/modes/index.ts
/**
* Run modes for the coding agent.
*/
export { runPrintMode } from "./print-mode.js";
export { runRpcMode } from "./rpc-mode.js";
// InteractiveMode will be added in WP15
Successfully wrote 177 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/index.ts
12:16:28 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:16:38 AM
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1326 export { runRpcMode } from "./rpc-mode.js";
1327 // InteractiveMode will be added later
1328 ```
1329
-1330 - [ ] Create `src/modes/index.ts`
-1331 - [ ] Verify with `npm run check`
+1330 - [x] Create `src/modes/index.ts`
+1331 - [x] Verify with `npm run check`
1332
1333 ---
1334
1335 ### WP14: Create main-new.ts using AgentSession and new modes
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 135 characters to 135 characters.
12:16:42 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP13: Create modes/index.ts barrel export"
12:16:52 AM
Excellent progress! We've completed WP1-WP13. Let me show a summary:
$ cd /Users/badlogic/workspaces/pi-mono && echo "=== Files created ===" && find packages/coding-agent/src/core packages/coding-agent/src/modes -name "*.ts" | sort && echo "" && echo "=== Line counts ===" && wc -l packages/coding-agent/src/core/*.ts packages/coding-agent/src/modes/*.ts
12:16:57 AM
Good progress. We now have:

- **AgentSession** (885 lines) - the shared core with all agent/session logic
- **bash-executor** (177 lines) - unified bash execution
- **print-mode** (69 lines) - single-shot mode
- **rpc-mode** (84 lines) - headless JSON protocol

Next is WP14: Create main-new.ts. This is the bigger work package where we wire everything together. Given the complexity, should I continue with WP14 now, or would you like to stop here and review what we have so far?
12:17:55 AM
i reviwed what we have, it's good. continue
12:17:55 AM
Great, the user wants me to continue. WP14 is about creating main-new.ts - a new version of main.ts that uses AgentSession and the new mode modules.

Let me copy main.ts to main-new.ts and then modify it to:
1. Remove `runSingleShotMode()` function (use print-mode.ts)
2. Remove `runRpcMode()` function (use rpc-mode.ts)
3. Remove `executeRpcBashCommand()` function (use bash-executor.ts)
4. Create `AgentSession` instance after agent setup
5. Pass `AgentSession` to mode functions

For now, interactive mode will still use TuiRenderer directly - that will be refactored in WP15.
Let's do WP14: Create main-new.ts. First, let me copy main.ts and then modify it:
$ cp /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main.ts /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
(no output)
12:18:03 AM
Now let me read main-new.ts and start modifying it. First, let me see the imports and the functions we need to remove:
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:18:08 AM
Let me update the imports first - add AgentSession and the new mode imports, remove unused ones:
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
1 import { Agent, type Attachment, ProviderTransport, type ThinkingLevel } from "@mariozechner/pi-agent-core";
- 2 import type { Api, AssistantMessage, KnownProvider, Model } from "@mariozechner/pi-ai";
+ 2 import type { Api, KnownProvider, Model } from "@mariozechner/pi-ai";
3 import { ProcessTerminal, TUI } from "@mariozechner/pi-tui";
4 import chalk from "chalk";
- 5 import { spawn } from "child_process";
- 6 import { randomBytes } from "crypto";
- 7 import { createWriteStream, existsSync, readFileSync, statSync } from "fs";
- 8 import { homedir, tmpdir } from "os";
- 9 import { extname, join, resolve } from "path";
- 10 import stripAnsi from "strip-ansi";
+ 5 import { existsSync, readFileSync, statSync } from "fs";
+ 6 import { homedir } from "os";
+ 7 import { extname, resolve } from "path";
11 import { getChangelogPath, getNewEntries, parseChangelog } from "./changelog.js";
- 12 import { calculateContextTokens, compact, shouldCompact } from "./compaction.js";
13 import {
14 APP_NAME,
15 CONFIG_DIR_NAME,
16 ENV_AGENT_DIR,
17 getAgentDir,
18 getModelsPath,
19 getReadmePath,
20 VERSION,
21 } from "./config.js";
+ 18 import { AgentSession } from "./core/agent-session.js";
22 import { exportFromFile } from "./export-html.js";
- 23 import { type BashExecutionMessage, messageTransformer } from "./messages.js";
+ 20 import { messageTransformer } from "./messages.js";
24 import { findModel, getApiKeyForModel, getAvailableModels } from "./model-config.js";
- 25 import { loadSessionFromEntries, SessionManager } from "./session-manager.js";
+ 22 import { runPrintMode, runRpcMode } from "./modes/index.js";
+ 23 import { SessionManager } from "./session-manager.js";
26 import { SettingsManager } from "./settings-manager.js";
- 27 import { getShellConfig } from "./shell.js";
- 28 import { expandSlashCommand, loadSlashCommands } from "./slash-commands.js";
+ 25 import { loadSlashCommands } from "./slash-commands.js";
29 import { initTheme } from "./theme/theme.js";
30 import { allTools, codingTools, type ToolName } from "./tools/index.js";
- 31 import { DEFAULT_MAX_BYTES, truncateTail } from "./tools/truncate.js";
32 import { ensureTool } from "./tools-manager.js";
33 import { SessionSelectorComponent } from "./tui/session-selector.js";
34 import { TuiRenderer } from "./tui/tui-renderer.js";
35
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 1690 characters to 1374 characters.
12:18:20 AM
Now let me find and remove `runSingleShotMode` function. First let me locate it:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "async function runSingleShotMode\|async function runRpcMode\|async function executeRpcBashCommand" packages/coding-agent/src/main-new.ts
811:async function runSingleShotMode(
865:async function executeRpcBashCommand(command: string): Promise<{
942:async function runRpcMode(
12:18:25 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:18:29 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:18:33 AM
Now I see the three functions to remove. Let me get the end of runRpcMode:
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:18:37 AM
Good. Now I'll delete all three functions (runSingleShotMode, executeRpcBashCommand, runRpcMode). They span from line 811 to line 1112. Let me do this carefully:
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:18:44 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
807 }
808 }
809 }
810
- 811 async function runSingleShotMode(
+ 811 // runSingleShotMode removed - replaced by runPrintMode from ./modes/print-mode.ts
+ 812 // executeRpcBashCommand removed - replaced by executeBash from ./core/bash-executor.ts
+ 813 // runRpcMode removed - replaced by runRpcMode from ./modes/rpc-mode.ts
+ 814
+ 815 async function DELETED_runSingleShotMode(
812 agent: Agent,
813 _sessionManager: SessionManager,
814 messages: string[],
815 mode: "text" | "json",
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 171 characters to 425 characters.
12:18:50 AM
Actually, let me just delete them entirely. Let me find the exact boundaries:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "^async function\|^export async function\|^}" packages/coding-agent/src/main-new.ts | head -30
12:18:55 AM
The deleted functions are:
- `DELETED_runSingleShotMode` at 815-863
- `executeRpcBashCommand` at 869-944
- `runRpcMode` at 946-1116

Let me read the exact text to delete:
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:19:01 AM
Let me delete from the comment line to the closing brace of runRpcMode:
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
807 }
808 }
809 }
810
- 811 // runSingleShotMode removed - replaced by runPrintMode from ./modes/print-mode.ts
- 812 // executeRpcBashCommand removed - replaced by executeBash from ./core/bash-executor.ts
- 813 // runRpcMode removed - replaced by runRpcMode from ./modes/rpc-mode.ts
- 814
- 815 async function DELETED_runSingleShotMode(
- 816 agent: Agent,
- 817 _sessionManager: SessionManager,
- 818 messages: string[],
- 819 mode: "text" | "json",
- 820 initialMessage?: string,
- 821 initialAttachments?: Attachment[],
- 822 ): Promise<void> {
- 823 // Load file-based slash commands for expansion
- 824 const fileCommands = loadSlashCommands();
- 825
- 826 if (mode === "json") {
- 827 // Subscribe to all events and output as JSON
- 828 agent.subscribe((event) => {
- 829 // Output event as JSON (same format as session manager)
- 830 console.log(JSON.stringify(event));
- 831 });
- 832 }
- 833
- 834 // Send initial message with attachments if provided
- 835 if (initialMessage) {
- 836 await agent.prompt(expandSlashCommand(initialMessage, fileCommands), initialAttachments);
- 837 }
- 838
- 839 // Send remaining messages
- 840 for (const message of messages) {
- 841 await agent.prompt(expandSlashCommand(message, fileCommands));
- 842 }
- 843
- 844 // In text mode, only output the final assistant message
- 845 if (mode === "text") {
- 846 const lastMessage = agent.state.messages[agent.state.messages.length - 1];
- 847 if (lastMessage.role === "assistant") {
- 848 const assistantMsg = lastMessage as AssistantMessage;
- 849
- 850 // Check for error/aborted and output error message
- 851 if (assistantMsg.stopReason === "error" || assistantMsg.stopReason === "aborted") {
- 852 console.error(assistantMsg.errorMessage || `Request ${assistantMsg.stopReason}`);
- 853 process.exit(1);
- 854 }
- 855
- 856 for (const content of assistantMsg.content) {
- 857 if (content.type === "text") {
- 858 console.log(content.text);
- 859 }
- 860 }
- 861 }
- 862 }
- 863 }
- 864
- 865 /**
- 866 * Execute a bash command for RPC mode.
- 867 * Similar to tui-renderer's executeBashCommand but without streaming callbacks.
- 868 */
- 869 async function executeRpcBashCommand(command: string): Promise<{
- 870 output: string;
- 871 exitCode: number | null;
- 872 truncationResult?: ReturnType<typeof truncateTail>;
- 873 fullOutputPath?: string;
- 874 }> {
- 875 return new Promise((resolve, reject) => {
- 876 const { shell, args } = getShellConfig();
- 877 const child = spawn(shell, [...args, command], {
- 878 detached: true,
- 879 stdio: ["ignore", "pipe", "pipe"],
- 880 });
- 881
- 882 const chunks: Buffer[] = [];
- 883 let chunksBytes = 0;
- 884 const maxChunksBytes = DEFAULT_MAX_BYTES * 2;
- 885
- 886 let tempFilePath: string | undefined;
- 887 let tempFileStream: ReturnType<typeof createWriteStream> | undefined;
- 888 let totalBytes = 0;
- 889
- 890 const handleData = (data: Buffer) => {
- 891 totalBytes += data.length;
- 892
- 893 // Start writing to temp file if exceeds threshold
- 894 if (totalBytes > DEFAULT_MAX_BYTES && !tempFilePath) {
- 895 const id = randomBytes(8).toString("hex");
- 896 tempFilePath = join(tmpdir(), `pi-bash-${id}.log`);
- 897 tempFileStream = createWriteStream(tempFilePath);
- 898 for (const chunk of chunks) {
- 899 tempFileStream.write(chunk);
- 900 }
- 901 }
- 902
- 903 if (tempFileStream) {
- 904 tempFileStream.write(data);
- 905 }
- 906
- 907 // Keep rolling buffer
- 908 chunks.push(data);
- 909 chunksBytes += data.length;
- 910 while (chunksBytes > maxChunksBytes && chunks.length > 1) {
- 911 const removed = chunks.shift()!;
- 912 chunksBytes -= removed.length;
- 913 }
- 914 };
- 915
- 916 child.stdout?.on("data", handleData);
- 917 child.stderr?.on("data", handleData);
- 918
- 919 child.on("close", (code) => {
- 920 if (tempFileStream) {
- 921 tempFileStream.end();
- 922 }
- 923
- 924 // Combine buffered chunks
- 925 const fullBuffer = Buffer.concat(chunks);
- 926 const fullOutput = stripAnsi(fullBuffer.toString("utf-8")).replace(/\r/g, "");
- 927 const truncationResult = truncateTail(fullOutput);
- 928
- 929 resolve({
- 930 output: fullOutput,
- 931 exitCode: code,
- 932 truncationResult: truncationResult.truncated ? truncationResult : undefined,
- 933 fullOutputPath: tempFilePath,
- 934 });
- 935 });
- 936
- 937 child.on("error", (err) => {
- 938 if (tempFileStream) {
- 939 tempFileStream.end();
- 940 }
- 941 reject(err);
- 942 });
- 943 });
- 944 }
- 945
- 946 async function runRpcMode(
- 947 agent: Agent,
- 948 sessionManager: SessionManager,
- 949 settingsManager: SettingsManager,
- 950 ): Promise<void> {
- 951 // Track if auto-compaction is in progress
- 952 let autoCompactionInProgress = false;
- 953
- 954 // Auto-compaction helper
- 955 const checkAutoCompaction = async () => {
- 956 if (autoCompactionInProgress) return;
- 957
- 958 const settings = settingsManager.getCompactionSettings();
- 959 if (!settings.enabled) return;
- 960
- 961 // Get last non-aborted assistant message
- 962 const messages = agent.state.messages;
- 963 let lastAssistant: AssistantMessage | null = null;
- 964 for (let i = messages.length - 1; i >= 0; i--) {
- 965 const msg = messages[i];
- 966 if (msg.role === "assistant") {
- 967 const assistantMsg = msg as AssistantMessage;
- 968 if (assistantMsg.stopReason !== "aborted") {
- 969 lastAssistant = assistantMsg;
- 970 break;
- 971 }
- 972 }
- 973 }
- 974 if (!lastAssistant) return;
- 975
- 976 const contextTokens = calculateContextTokens(lastAssistant.usage);
- 977 const contextWindow = agent.state.model.contextWindow;
- 978
- 979 if (!shouldCompact(contextTokens, contextWindow, settings)) return;
- 980
- 981 // Trigger auto-compaction
- 982 autoCompactionInProgress = true;
- 983 try {
- 984 const apiKey = await getApiKeyForModel(agent.state.model);
- 985 if (!apiKey) {
- 986 throw new Error(`No API key for ${agent.state.model.provider}`);
- 987 }
- 988
- 989 const entries = sessionManager.loadEntries();
- 990 const compactionEntry = await compact(entries, agent.state.model, settings, apiKey);
- 991
- 992 sessionManager.saveCompaction(compactionEntry);
- 993 const loaded = loadSessionFromEntries(sessionManager.loadEntries());
- 994 agent.replaceMessages(loaded.messages);
- 995
- 996 // Emit auto-compaction event
- 997 console.log(JSON.stringify({ ...compactionEntry, auto: true }));
- 998 } catch (error: unknown) {
- 999 const message = error instanceof Error ? error.message : String(error);
-1000 console.log(JSON.stringify({ type: "error", error: `Auto-compaction failed: ${message}` }));
-1001 } finally {
-1002 autoCompactionInProgress = false;
-1003 }
-1004 };
-1005
-1006 // Subscribe to all events and output as JSON (same pattern as tui-renderer)
-1007 agent.subscribe(async (event) => {
-1008 console.log(JSON.stringify(event));
-1009
-1010 // Save messages to session
-1011 if (event.type === "message_end") {
-1012 sessionManager.saveMessage(event.message);
-1013
-1014 // Yield to microtask queue to allow agent state to update
-1015 // (tui-renderer does this implicitly via await handleEvent)
-1016 await Promise.resolve();
-1017
-1018 // Check if we should initialize session now (after first user+assistant exchange)
-1019 if (sessionManager.shouldInitializeSession(agent.state.messages)) {
-1020 sessionManager.startSession(agent.state);
-1021 }
-1022
-1023 // Check for auto-compaction after assistant messages
-1024 if (event.message.role === "assistant") {
-1025 await checkAutoCompaction();
-1026 }
-1027 }
-1028 });
-1029
-1030 // Listen for JSON input on stdin
-1031 const readline = await import("readline");
-1032 const rl = readline.createInterface({
-1033 input: process.stdin,
-1034 output: process.stdout,
-1035 terminal: false,
-1036 });
-1037
-1038 rl.on("line", async (line: string) => {
-1039 try {
-1040 const input = JSON.parse(line);
-1041
-1042 // Handle different RPC commands
-1043 if (input.type === "prompt" && input.message) {
-1044 await agent.prompt(input.message, input.attachments);
-1045 } else if (input.type === "abort") {
-1046 agent.abort();
-1047 } else if (input.type === "compact") {
-1048 // Handle compaction request
-1049 try {
-1050 const apiKey = await getApiKeyForModel(agent.state.model);
-1051 if (!apiKey) {
-1052 throw new Error(`No API key for ${agent.state.model.provider}`);
-1053 }
-1054
-1055 const entries = sessionManager.loadEntries();
-1056 const settings = settingsManager.getCompactionSettings();
-1057 const compactionEntry = await compact(
-1058 entries,
-1059 agent.state.model,
-1060 settings,
-1061 apiKey,
-1062 undefined,
-1063 input.customInstructions,
-1064 );
-1065
-1066 // Save and reload
-1067 sessionManager.saveCompaction(compactionEntry);
-1068 const loaded = loadSessionFromEntries(sessionManager.loadEntries());
-1069 agent.replaceMessages(loaded.messages);
-1070
-1071 // Emit compaction event (compactionEntry already has type: "compaction")
-1072 console.log(JSON.stringify(compactionEntry));
-1073 } catch (error: any) {
-1074 console.log(JSON.stringify({ type: "error", error: `Compaction failed: ${error.message}` }));
-1075 }
-1076 } else if (input.type === "bash" && input.command) {
-1077 // Execute bash command and add to context
-1078 try {
-1079 const result = await executeRpcBashCommand(input.command);
-1080
-1081 // Create bash execution message
-1082 const bashMessage: BashExecutionMessage = {
-1083 role: "bashExecution",
-1084 command: input.command,
-1085 output: result.truncationResult?.content || result.output,
-1086 exitCode: result.exitCode,
-1087 cancelled: false,
-1088 truncated: result.truncationResult?.truncated || false,
-1089 fullOutputPath: result.fullOutputPath,
-1090 timestamp: Date.now(),
-1091 };
-1092
-1093 // Add to agent state and save to session
-1094 agent.appendMessage(bashMessage);
-1095 sessionManager.saveMessage(bashMessage);
-1096
-1097 // Initialize session if needed (same logic as message_end handler)
-1098 if (sessionManager.shouldInitializeSession(agent.state.messages)) {
-1099 sessionManager.startSession(agent.state);
-1100 }
-1101
-1102 // Emit bash_end event with the message
-1103 console.log(JSON.stringify({ type: "bash_end", message: bashMessage }));
-1104 } catch (error: any) {
-1105 console.log(JSON.stringify({ type: "error", error: `Bash command failed: ${error.message}` }));
-1106 }
-1107 }
-1108 } catch (error: any) {
-1109 // Output error as JSON
-1110 console.log(JSON.stringify({ type: "error", error: error.message }));
-1111 }
-1112 });
-1113
-1114 // Keep process alive
-1115 return new Promise(() => {});
-1116 }
-1117
1118 export async function main(args: string[]) {
1119 const parsed = parseArgs(args);
1120
1121 if (parsed.help) {
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 9513 characters to 44 characters.
12:19:24 AM
Now let me find where the modes are routed and update them. Let me search for where runRpcMode and runSingleShotMode were being called:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "runRpcMode\|runSingleShotMode\|runPrintMode" packages/coding-agent/src/main-new.ts
22:import { runPrintMode, runRpcMode } from "./modes/index.js";
1169: await runRpcMode(agent, sessionManager, settingsManager);
1234: await runSingleShotMode(agent, sessionManager, parsed.messages, mode, initialMessage, initialAttachments);
12:19:29 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:19:33 AM
Now I need to:
1. Create `AgentSession` instance before routing
2. Update the mode calls to use the session

Let me find a good place to create the session - after the agent is created:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "const agent = new Agent" packages/coding-agent/src/main-new.ts
1080: const agent = new Agent({
12:19:38 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:19:42 AM
Let me see where the routing section starts to understand the full context:
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:19:47 AM
Now let me add the AgentSession creation and update the mode routing:
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
1162 }
1163 }
1164 }
1165
+1166 // Create AgentSession for non-interactive modes
+1167 // (Interactive mode will create its own session when we refactor TuiRenderer)
+1168 const fileCommands = loadSlashCommands();
+1169
1166 // Route to appropriate mode
1167 if (mode === "rpc") {
1168 // RPC mode - headless operation
-1169 await runRpcMode(agent, sessionManager, settingsManager);
+1173 const session = new AgentSession({
+1174 agent,
+1175 sessionManager,
+1176 settingsManager,
+1177 scopedModels,
+1178 fileCommands,
+1179 });
+1180 await runRpcMode(session);
1170 } else if (isInteractive) {
1171 // Check for new version in the background (don't block startup)
1172 const versionCheckPromise = checkForNewVersion(VERSION).catch(() => null);
1173
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 176 characters to 445 characters.
12:19:54 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
1241 fdPath,
1242 );
1243 } else {
1244 // Non-interactive mode (--print flag or --mode flag)
-1245 await runSingleShotMode(agent, sessionManager, parsed.messages, mode, initialMessage, initialAttachments);
+1245 const session = new AgentSession({
+1246 agent,
+1247 sessionManager,
+1248 settingsManager,
+1249 scopedModels,
+1250 fileCommands,
+1251 });
+1252 await runPrintMode(session, mode, parsed.messages, initialMessage, initialAttachments);
1246 }
1247 }
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 179 characters to 286 characters.
12:19:59 AM
Now let me check for any remaining issues:
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -50
12:20:05 AM
I need to add back `join` from path and `expandSlashCommand`. Let me also check what those lines are for:
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:20:10 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:20:14 AM
These are in runInteractiveMode. Let me add the missing imports:
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
3 import { ProcessTerminal, TUI } from "@mariozechner/pi-tui";
4 import chalk from "chalk";
5 import { existsSync, readFileSync, statSync } from "fs";
6 import { homedir } from "os";
- 7 import { extname, resolve } from "path";
+ 7 import { extname, join, resolve } from "path";
8 import { getChangelogPath, getNewEntries, parseChangelog } from "./changelog.js";
9 import {
10 APP_NAME,
11 CONFIG_DIR_NAME,
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 127 characters to 133 characters.
12:20:20 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
21 import { findModel, getApiKeyForModel, getAvailableModels } from "./model-config.js";
22 import { runPrintMode, runRpcMode } from "./modes/index.js";
23 import { SessionManager } from "./session-manager.js";
24 import { SettingsManager } from "./settings-manager.js";
- 25 import { loadSlashCommands } from "./slash-commands.js";
+ 25 import { expandSlashCommand, loadSlashCommands } from "./slash-commands.js";
26 import { initTheme } from "./theme/theme.js";
27 import { allTools, codingTools, type ToolName } from "./tools/index.js";
28 import { ensureTool } from "./tools-manager.js";
29 import { SessionSelectorComponent } from "./tui/session-selector.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 56 characters to 76 characters.
12:20:24 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -30
12:20:33 AM
Let me verify it passed:
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:20:43 AM
Now create cli-new.ts:
write ~/workspaces/pi-mono/packages/coding-agent/src/cli-new.ts (11 lines)
Successfully wrote 258 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/cli-new.ts
12:20:49 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check
12:20:59 AM
Let me compare line counts between old and new:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && wc -l src/main.ts src/main-new.ts
1543 src/main.ts
1254 src/main-new.ts
2797 total
12:21:03 AM
Good. We removed ~290 lines from main by extracting the duplicate code to the mode modules.

Now update the checkboxes:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1389 2. Manual test: `npx tsx src/cli-new.ts -p "hello"` works
1390 3. Manual test: `npx tsx src/cli-new.ts --mode json "hello"` works
1391 4. Manual test: `npx tsx src/cli-new.ts --mode rpc` works
1392
-1393 - [ ] Copy main.ts to main-new.ts
-1394 - [ ] Remove `runSingleShotMode()` from main-new.ts
-1395 - [ ] Remove `runRpcMode()` from main-new.ts
-1396 - [ ] Remove `executeRpcBashCommand()` from main-new.ts
-1397 - [ ] Import and use `runPrintMode` from modes
-1398 - [ ] Import and use `runRpcMode` from modes
-1399 - [ ] Create `AgentSession` in main()
-1400 - [ ] Update mode routing to use new functions
-1401 - [ ] Create cli-new.ts
-1402 - [ ] Verify with `npm run check`
+1393 - [x] Copy main.ts to main-new.ts
+1394 - [x] Remove `runSingleShotMode()` from main-new.ts
+1395 - [x] Remove `runRpcMode()` from main-new.ts
+1396 - [x] Remove `executeRpcBashCommand()` from main-new.ts
+1397 - [x] Import and use `runPrintMode` from modes
+1398 - [x] Import and use `runRpcMode` from modes
+1399 - [x] Create `AgentSession` in main()
+1400 - [x] Update mode routing to use new functions
+1401 - [x] Create cli-new.ts
+1402 - [x] Verify with `npm run check`
1403 - [ ] Manual test all three modes via cli-new.ts
1404
1405 ---
1406
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 472 characters to 472 characters.
12:21:13 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP14: Create main-new.ts and cli-new.ts using AgentSession and new modes"
12:21:24 AM
We've completed WP1-WP14. Let me summarize our progress:
$ cd /Users/badlogic/workspaces/pi-mono && git log --oneline refactor | head -20
12:21:28 AM
Excellent progress! We've completed WP1-WP14:

**Completed:**
- WP1-WP10: `AgentSession` (885 lines) with all shared logic
- WP11-WP12: `print-mode.ts` and `rpc-mode.ts`
- WP13: modes barrel export
- WP14: `main-new.ts` and `cli-new.ts`

**Remaining:**
- WP15: Create InteractiveMode (refactor TuiRenderer to use AgentSession)
- WP16: Update main-new.ts runInteractiveMode
- WP17: (Optional) Move TUI components
- WP18-WP20: Setup extraction and cleanup

The next big task is WP15 which involves creating `InteractiveMode` based on `TuiRenderer` but using `AgentSession`. This is the largest remaining work package.

Would you like me to continue with WP15, or would you prefer to test the current changes first (print mode and RPC mode should be testable via `npx tsx src/cli-new.ts`)?
+
+
12:22:54 AM
+
+ ▶ + Context compacted from 175,004 tokens + (click to expand summary) +
+
+
+
+
Summary sent to model
+
# Context Checkpoint: Coding Agent Refactoring

## Branch
`refactor` in `/Users/badlogic/workspaces/pi-mono`

## Goal
Refactor `coding-agent` to eliminate code duplication between three run modes (interactive, print/json, rpc) by creating a shared `AgentSession` abstraction.

## Key Decisions Made
1. **Keep old code for reference** - Create new files (`main-new.ts`, `cli-new.ts`) instead of modifying existing ones, allowing parallel comparison
2. **AgentSession is the core abstraction** - All agent/session logic lives here, modes are thin I/O layers on top
3. **Listeners persist across operations** - `_disconnectFromAgent()` and `_reconnectToAgent()` are private; listeners survive reset/compact/switchSession. Only `dispose()` clears them.
4. **No `tokensAfter` in CompactionEntry** - The existing type only has `tokensBefore`, so `CompactionResult` reflects that

## Completed Work Packages (WP1-WP13)

| WP | Description | Status |
|----|-------------|--------|
| WP1 | bash-executor.ts | ✅ |
| WP2 | AgentSession basic structure | ✅ |
| WP3 | Event subscription + session persistence | ✅ |
| WP4 | Prompting (prompt, queue, abort, reset) | ✅ |
| WP5 | Model management (setModel, cycleModel) | ✅ |
| WP6 | Thinking level + queue mode | ✅ |
| WP7 | Compaction (manual + auto) | ✅ |
| WP8 | Bash execution | ✅ |
| WP9 | Session management (switch, branch, stats, export) | ✅ |
| WP10 | Utilities (getLastAssistantText) | ✅ |
| WP11 | print-mode.ts | ✅ |
| WP12 | rpc-mode.ts | ✅ |
| WP13 | modes/index.ts barrel | ✅ |

## Files Created/Modified

**New files:**
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts` (885 lines)
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/bash-executor.ts` (177 lines)
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/index.ts`
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/print-mode.ts`
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/rpc-mode.ts`
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/index.ts`
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md` (full plan with checkboxes)

**Reference files (old code to extract from):**
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main.ts` (~1100 lines)
- `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts` (~2400 lines)

## Next Steps (WP14-WP20)

### WP14: Create main-new.ts (NEXT)
- Copy `main.ts` to `main-new.ts`
- Remove `runSingleShotMode()`, `runRpcMode()`, `executeRpcBashCommand()`
- Create `AgentSession` instance after agent setup
- Import and use `runPrintMode`, `runRpcMode` from `./modes`
- Create `cli-new.ts` pointing to `main-new.ts`
- Test via `npx tsx src/cli-new.ts`

### WP15: Create InteractiveMode
- Create `src/modes/interactive/interactive-mode.ts` based on `tui-renderer.ts`
- Rename class `TuiRenderer` → `InteractiveMode`
- Change constructor to accept `AgentSession` instead of individual params
- Replace direct agent/sessionManager/settingsManager calls with AgentSession methods
- Keep imports pointing to `../../tui/` for existing components

### WP16-WP20: Integration and cleanup
See `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md` for full details

## AgentSession Key API
```typescript
class AgentSession {
// State
get model(), get thinkingLevel(), get isStreaming(), get messages()

// Events
subscribe(listener): () => void // returns unsubscribe
dispose() // full cleanup

// Prompting
prompt(text, options?), queueMessage(text), clearQueue(), abort(), reset()

// Model/Thinking
setModel(model), cycleModel(), setThinkingLevel(level), cycleThinkingLevel()

// Compaction
compact(customInstructions?), abortCompaction(), checkAutoCompaction()

// Bash
executeBash(command, onChunk?), abortBash(), isBashRunning

// Session
switchSession(path), branch(entryIndex), getSessionStats(), exportToHtml()
}
```

## Testing
User prefers **E2E tests only** - no unit tests. Manual testing checklist is at the end of `refactor.md`.

## Commands
- `npm run check` - Full check (formatting, linting, types)
- `npx tsx src/cli-new.ts` - Test new implementation (after WP14)
+
+
+
12:23:06 AM
ok, i hope i haven't lobotimized you by compacting
12:23:06 AM
Aborted
12:23:33 AM
you can look up the detailed history of this session in /Users/badlogic/.pi/agent/sessions/--Users-badlogic-workspaces-pi-mono--/2025-12-08T23-22-21-320Z_0db2eb3b-5ed8-4b70-88c6-a3f7104eb251.jsonl if you need to (don't read the full file!)
12:23:33 AM
The user is joking about the context compaction potentially causing me to lose important information. They're offering me access to the full session history if I need it, but cautioning me not to read the whole file (it would be huge).

I should acknowledge this and continue with WP15. I have a good summary of what's been done and what needs to be done next. Let me proceed with WP15: Create InteractiveMode.

WP15 is about refactoring TuiRenderer to use AgentSession. Looking at the plan in refactor.md, the approach is:
1. Create `src/modes/interactive/interactive-mode.ts` based on `tui-renderer.ts`
2. Rename class `TuiRenderer` → `InteractiveMode`
3. Change constructor to accept `AgentSession` instead of individual params
4. Replace direct agent/sessionManager/settingsManager calls with AgentSession methods
5. Keep imports pointing to `../../tui/` for existing components

This is the largest remaining work package. Let me start by examining tui-renderer.ts to understand what needs to change.
Ha, I'm intact. The summary captured the key state well, and I can reference the session file if I need specific details.

Let me continue with WP15: Create InteractiveMode. First, let me look at the TuiRenderer constructor and key methods to understand what needs to change:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "constructor\|private agent\|private sessionManager\|private settingsManager" packages/coding-agent/src/tui/tui-renderer.ts | head -20
72: private agent: Agent;
73: private sessionManager: SessionManager;
74: private settingsManager: SettingsManager;
142: constructor(
12:23:46 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:23:49 AM
The constructor is large. Let me see how many lines TuiRenderer is total and understand its structure:
$ cd /Users/badlogic/workspaces/pi-mono && wc -l packages/coding-agent/src/tui/tui-renderer.ts && grep -n "^\t[a-zA-Z].*(" packages/coding-agent/src/tui/tui-renderer.ts | head -50
12:23:53 AM
Aborted
12:24:11 AM
also remember the @packages/coding-agent/docs/refactor.md file btw. could read it now to refresh you rmind
12:24:11 AM
Good idea, let me read the refactor.md to refresh my understanding of the plan for WP15.
read ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
12:24:15 AM
Good, I'm refreshed. Now continuing with WP15. The approach is to:

1. Create `src/modes/interactive/interactive-mode.ts` based on `tui-renderer.ts`
2. Replace direct agent/sessionManager/settingsManager access with AgentSession methods
3. Keep imports pointing to `../../tui/` for existing components

Let me start by creating the directory and copying the file:
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive && cp /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:24:32 AM
you havne't read @packages/coding-agent/src/tui/tui-renderer.ts in full i suppose
12:24:32 AM
The user is right - I should read tui-renderer.ts fully before attempting to refactor it. It's 2376 lines, so let me read it in chunks to understand the full structure.
You're right. Let me read it in chunks:
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:24:39 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:24:45 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
read ~
12:24:56 AM
why do you go 100 lines at a time you idiot ...
12:24:56 AM
The user is right - I was reading 200 lines at a time, but I should be reading larger chunks. Let me read the rest of the file more efficiently.
You're right, sorry. Let me get the rest properly:
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:25:01 AM
Now I have the full picture. TuiRenderer is ~2376 lines with:

**Key state that can delegate to AgentSession:**
- `subscribeToAgent()` → `session.subscribe()`
- `checkAutoCompaction()` → handled internally by AgentSession
- `cycleThinkingLevel()` → `session.cycleThinkingLevel()`
- `cycleModel()` → `session.cycleModel()`
- `executeBashCommand()` → `session.executeBash()`
- `executeCompaction()` → `session.compact()`
- `handleClearCommand()` reset logic → `session.reset()`
- `handleResumeSession()` → `session.switchSession()`
- `showUserMessageSelector()` branch logic → `session.branch()`

**Things that stay in InteractiveMode (UI-specific):**
- TUI setup, layout, rendering
- All selector UIs (thinking, model, theme, session, branch, oauth, queue)
- Editor handling, hotkeys
- Chat rendering, message components
- Loading animations, status display

The refactor strategy is to create InteractiveMode that takes an `AgentSession` and delegates the business logic while keeping all UI code. Let me create it:
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive
(no output)
$ cp /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
(no output)
12:25:12 AM
Now let me make the key changes. First, update the imports and class declaration:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:25:17 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
- 1 import { randomBytes } from "node:crypto";
2 import * as fs from "node:fs";
- 3 import { createWriteStream, type WriteStream } from "node:fs";
- 4 import { tmpdir } from "node:os";
5 import * as path from "node:path";
- 6 import { join } from "node:path";
- 7 import type { Agent, AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
- 8 import type { AssistantMessage, Message, Model } from "@mariozechner/pi-ai";
+ 3 import type { AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
+ 4 import type { AssistantMessage, Message } from "@mariozechner/pi-ai";
9 import type { SlashCommand } from "@mariozechner/pi-tui";
10 import {
11 CombinedAutocompleteProvider,
12 Container,
13 Input,
14 Loader,
15 Markdown,
16 ProcessTerminal,
17 Spacer,
18 Text,
19 TruncatedText,
20 TUI,
21 visibleWidth,
22 } from "@mariozechner/pi-tui";
- 23 import { exec, spawn } from "child_process";
- 24 import stripAnsi from "strip-ansi";
- 25 import { getChangelogPath, parseChangelog } from "../changelog.js";
- 26 import { copyToClipboard } from "../clipboard.js";
- 27 import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
- 28 import { APP_NAME, getDebugLogPath, getModelsPath, getOAuthPath } from "../config.js";
- 29 import { exportSessionToHtml } from "../export-html.js";
- 30 import { type BashExecutionMessage, isBashExecutionMessage } from "../messages.js";
- 31 import { getApiKeyForModel, getAvailableModels, invalidateOAuthCache } from "../model-config.js";
- 32 import { listOAuthProviders, login, logout, type SupportedOAuthProvider } from "../oauth/index.js";
- 33 import {
- 34 getLatestCompactionEntry,
- 35 loadSessionFromEntries,
- 36 type SessionManager,
- 37 SUMMARY_PREFIX,
- 38 SUMMARY_SUFFIX,
- 39 } from "../session-manager.js";
- 40 import type { SettingsManager } from "../settings-manager.js";
- 41 import { getShellConfig, killProcessTree, sanitizeBinaryOutput } from "../shell.js";
- 42 import { expandSlashCommand, type FileSlashCommand, loadSlashCommands } from "../slash-commands.js";
- 43 import { getEditorTheme, getMarkdownTheme, onThemeChange, setTheme, theme } from "../theme/theme.js";
- 44 import { DEFAULT_MAX_BYTES, type TruncationResult, truncateTail } from "../tools/truncate.js";
- 45 import { AssistantMessageComponent } from "./assistant-message.js";
- 46 import { BashExecutionComponent } from "./bash-execution.js";
- 47 import { CompactionComponent } from "./compaction.js";
- 48 import { CustomEditor } from "./custom-editor.js";
- 49 import { DynamicBorder } from "./dynamic-border.js";
- 50 import { FooterComponent } from "./footer.js";
- 51 import { ModelSelectorComponent } from "./model-selector.js";
- 52 import { OAuthSelectorComponent } from "./oauth-selector.js";
- 53 import { QueueModeSelectorComponent } from "./queue-mode-selector.js";
- 54 import { SessionSelectorComponent } from "./session-selector.js";
- 55 import { ThemeSelectorComponent } from "./theme-selector.js";
- 56 import { ThinkingSelectorComponent } from "./thinking-selector.js";
- 57 import { ToolExecutionComponent } from "./tool-execution.js";
- 58 import { UserMessageComponent } from "./user-message.js";
- 59 import { UserMessageSelectorComponent } from "./user-message-selector.js";
+ 19 import { exec } from "child_process";
+ 20 import { getChangelogPath, parseChangelog } from "../../changelog.js";
+ 21 import { copyToClipboard } from "../../clipboard.js";
+ 22 import { APP_NAME, getDebugLogPath, getModelsPath, getOAuthPath } from "../../config.js";
+ 23 import { type AgentSession } from "../../core/agent-session.js";
+ 24 import { type BashExecutionMessage, isBashExecutionMessage } from "../../messages.js";
+ 25 import { invalidateOAuthCache } from "../../model-config.js";
+ 26 import { listOAuthProviders, login, logout, type SupportedOAuthProvider } from "../../oauth/index.js";
+ 27 import { getLatestCompactionEntry, SUMMARY_PREFIX, SUMMARY_SUFFIX } from "../../session-manager.js";
+ 28 import { getEditorTheme, getMarkdownTheme, onThemeChange, setTheme, theme } from "../../theme/theme.js";
+ 29 import { type TruncationResult } from "../../tools/truncate.js";
+ 30 import { AssistantMessageComponent } from "../../tui/assistant-message.js";
+ 31 import { BashExecutionComponent } from "../../tui/bash-execution.js";
+ 32 import { CompactionComponent } from "../../tui/compaction.js";
+ 33 import { CustomEditor } from "../../tui/custom-editor.js";
+ 34 import { DynamicBorder } from "../../tui/dynamic-border.js";
+ 35 import { FooterComponent } from "../../tui/footer.js";
+ 36 import { ModelSelectorComponent } from "../../tui/model-selector.js";
+ 37 import { OAuthSelectorComponent } from "../../tui/oauth-selector.js";
+ 38 import { QueueModeSelectorComponent } from "../../tui/queue-mode-selector.js";
+ 39 import { SessionSelectorComponent } from "../../tui/session-selector.js";
+ 40 import { ThemeSelectorComponent } from "../../tui/theme-selector.js";
+ 41 import { ThinkingSelectorComponent } from "../../tui/thinking-selector.js";
+ 42 import { ToolExecutionComponent } from "../../tui/tool-execution.js";
+ 43 import { UserMessageComponent } from "../../tui/user-message.js";
+ 44 import { UserMessageSelectorComponent } from "../../tui/user-message-selector.js";
60
61 /**
- 62 * TUI renderer for the coding agent
+ 47 * Interactive mode for the coding agent.
+ 48 * Handles TUI rendering and user interaction, delegating business logic to AgentSession.
63 */
- 64 export class TuiRenderer {
+ 50 export class InteractiveMode {
+ 51 private session: AgentSession;
65 private ui: TUI;
66 private chatContainer: Container;
67 private pendingMessagesContainer: Container;
68 private statusContainer: Container;
69 private editor: CustomEditor;
70 private editorContainer: Container; // Container to swap between editor and selector
71 private footer: FooterComponent;
- 72 private agent: Agent;
- 73 private sessionManager: SessionManager;
- 74 private settingsManager: SettingsManager;
75 private version: string;
76 private isInitialized = false;
77 private onInputCallback?: (text: string) => void;
78 private loadingAnimation: Loader | null = null;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 3384 characters to 2877 characters.
12:25:34 AM
Now let me update the rest of the class members and remove ones that are now in AgentSession:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:25:37 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
65 private lastEscapeTime = 0;
66 private changelogMarkdown: string | null = null;
67 private collapseChangelog = false;
68
- 69 // Message queueing
- 70 private queuedMessages: string[] = [];
- 71
72 // Streaming message tracking
73 private streamingComponent: AssistantMessageComponent | null = null;
74
75 // Tool execution tracking: toolCallId -> component
76 private pendingTools = new Map<string, ToolExecutionComponent>();
77
78 // Thinking level selector
79 private thinkingSelector: ThinkingSelectorComponent | null = null;
80
81 // Queue mode selector
82 private queueModeSelector: QueueModeSelectorComponent | null = null;
83
84 // Theme selector
85 private themeSelector: ThemeSelectorComponent | null = null;
86
87 // Model selector
88 private modelSelector: ModelSelectorComponent | null = null;
89
90 // User message selector (for branching)
91 private userMessageSelector: UserMessageSelectorComponent | null = null;
92
93 // Session selector (for resume)
94 private sessionSelector: SessionSelectorComponent | null = null;
95
96 // OAuth selector
97 private oauthSelector: any | null = null;
98
99 // Track if this is the first user message (to skip spacer)
100 private isFirstUserMessage = true;
101
- 102 // Model scope for quick cycling
- 103 private scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }> = [];
- 104
105 // Tool output expansion state
106 private toolOutputExpanded = false;
107
108 // Thinking block visibility state
109 private hideThinkingBlock = false;
110
111 // Agent subscription unsubscribe function
112 private unsubscribe?: () => void;
113
- 114 // File-based slash commands
- 115 private fileCommands: FileSlashCommand[] = [];
- 116
117 // Track if editor is in bash mode (text starts with !)
118 private isBashMode = false;
119
- 120 // Track running bash command process for cancellation
- 121 private bashProcess: ReturnType<typeof spawn> | null = null;
- 122
123 // Track current bash execution component
124 private bashComponent: BashExecutionComponent | null = null;
125
126 constructor(
- 127 agent: Agent,
- 128 sessionManager: SessionManager,
- 129 settingsManager: SettingsManager,
+ 115 session: AgentSession,
130 version: string,
131 changelogMarkdown: string | null = null,
132 collapseChangelog = false,
- 133 scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }> = [],
134 fdPath: string | null = null,
135 ) {
- 136 this.agent = agent;
- 137 this.sessionManager = sessionManager;
- 138 this.settingsManager = settingsManager;
+ 121 this.session = session;
139 this.version = version;
140 this.changelogMarkdown = changelogMarkdown;
141 this.collapseChangelog = collapseChangelog;
- 142 this.scopedModels = scopedModels;
143 this.ui = new TUI(new ProcessTerminal());
144 this.chatContainer = new Container();
145 this.pendingMessagesContainer = new Container();
146 this.statusContainer = new Container();
147 this.editor = new CustomEditor(getEditorTheme());
148 this.editorContainer = new Container(); // Container to hold editor or selector
149 this.editorContainer.addChild(this.editor); // Start with editor
- 150 this.footer = new FooterComponent(agent.state);
- 151 this.footer.setAutoCompactEnabled(this.settingsManager.getCompactionEnabled());
+ 132 this.footer = new FooterComponent(session.state);
+ 133 this.footer.setAutoCompactEnabled(session.autoCompactionEnabled);
152
153 // Define slash commands
154 const thinkingCommand: SlashCommand = {
155 name: "thinking",
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 3111 characters to 2460 characters.
12:25:51 AM
Now let me check and run the type checker to see what errors we have. This will guide the remaining changes:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && npx tsgo --noEmit 2>&1 | head -80
12:25:56 AM
There are many errors. Let me take a different approach. Instead of fixing each error one by one, let me create helper getters that delegate to session:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:26:00 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
110
111 // Track current bash execution component
112 private bashComponent: BashExecutionComponent | null = null;
113
+ 114 // Convenience getters to access session internals
+ 115 private get agent() {
+ 116 return this.session.agent;
+ 117 }
+ 118 private get sessionManager() {
+ 119 return this.session.sessionManager;
+ 120 }
+ 121 private get settingsManager() {
+ 122 return this.session.settingsManager;
+ 123 }
+ 124
114 constructor(
115 session: AgentSession,
116 version: string,
117 changelogMarkdown: string | null = null,
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 527 characters to 783 characters.
12:26:06 AM
Aborted
12:26:37 AM
132 collapseChangelog = false, can't we get that from the settings manager in session?
12:26:37 AM
The user is right - collapseChangelog is something that should be retrieved from the settings manager instead of being passed as a constructor parameter. Let me check if this is stored in the settings manager.
Good point. Let me check if it's in settingsManager:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "collapseChangelog\|Changelog" packages/coding-agent/src/settings-manager.ts
12:26:41 AM
Yes, it's there. Let me simplify the constructor:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
63
64 private lastSigintTime = 0;
65 private lastEscapeTime = 0;
66 private changelogMarkdown: string | null = null;
- 67 private collapseChangelog = false;
68
69 // Streaming message tracking
70 private streamingComponent: AssistantMessageComponent | null = null;
71
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 143 characters to 107 characters.
12:26:46 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
124 constructor(
125 session: AgentSession,
126 version: string,
127 changelogMarkdown: string | null = null,
- 128 collapseChangelog = false,
129 fdPath: string | null = null,
130 ) {
131 this.session = session;
132 this.version = version;
133 this.changelogMarkdown = changelogMarkdown;
- 134 this.collapseChangelog = collapseChangelog;
135 this.ui = new TUI(new ProcessTerminal());
136 this.chatContainer = new Container();
137 this.pendingMessagesContainer = new Container();
138 this.statusContainer = new Container();
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 310 characters to 235 characters.
12:26:51 AM
Now let me find where collapseChangelog is used and update it to use settingsManager:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "collapseChangelog" packages/coding-agent/src/modes/interactive/interactive-mode.ts
305: if (this.collapseChangelog) {
12:26:56 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:26:59 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
301
302 // Add changelog if provided
303 if (this.changelogMarkdown) {
304 this.ui.addChild(new DynamicBorder());
- 305 if (this.collapseChangelog) {
+ 305 if (this.settingsManager.getCollapseChangelog()) {
306 // Show condensed version with hint to use /changelog
307 const versionMatch = this.changelogMarkdown.match(/##\s+\[?(\d+\.\d+\.\d+)\]?/);
308 const latestVersion = versionMatch ? versionMatch[1] : this.version;
309 const condensedText = `Updated to v${latestVersion}. Use ${theme.bold("/changelog")} to view full changelog.`;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 137 characters to 158 characters.
12:27:04 AM
Now let me run the type check again and fix the remaining errors:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && npx tsgo --noEmit 2>&1 | head -60
12:27:08 AM
Many errors. Let me take a more systematic approach. The key issues are:

1. Missing imports
2. Properties that should delegate to session (queuedMessages, scopedModels, fileCommands, bashProcess)
3. Functions that need to be replaced with session methods (cycleModel, cycleThinkingLevel, executeBashCommand, executeCompaction, etc.)

Let me add the missing imports first and add the missing private members:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
1 import * as fs from "node:fs";
2 import * as path from "node:path";
3 import type { AgentEvent, AgentState, AppMessage, ThinkingLevel } from "@mariozechner/pi-agent-core";
- 4 import type { AssistantMessage, Message } from "@mariozechner/pi-ai";
+ 4 import type { AssistantMessage, Message, Model } from "@mariozechner/pi-ai";
5 import type { SlashCommand } from "@mariozechner/pi-tui";
6 import {
7 CombinedAutocompleteProvider,
8 Container,
9 Input,
10 Loader,
11 Markdown,
12 ProcessTerminal,
13 Spacer,
14 Text,
15 TruncatedText,
16 TUI,
17 visibleWidth,
18 } from "@mariozechner/pi-tui";
19 import { exec } from "child_process";
20 import { getChangelogPath, parseChangelog } from "../../changelog.js";
21 import { copyToClipboard } from "../../clipboard.js";
22 import { APP_NAME, getDebugLogPath, getModelsPath, getOAuthPath } from "../../config.js";
23 import { type AgentSession } from "../../core/agent-session.js";
24 import { type BashExecutionMessage, isBashExecutionMessage } from "../../messages.js";
- 25 import { invalidateOAuthCache } from "../../model-config.js";
+ 25 import { getApiKeyForModel, getAvailableModels, invalidateOAuthCache } from "../../model-config.js";
26 import { listOAuthProviders, login, logout, type SupportedOAuthProvider } from "../../oauth/index.js";
- 27 import { getLatestCompactionEntry, SUMMARY_PREFIX, SUMMARY_SUFFIX } from "../../session-manager.js";
+ 27 import { getLatestCompactionEntry, loadSessionFromEntries, SUMMARY_PREFIX, SUMMARY_SUFFIX } from "../../session-manager.js";
+ 28 import { type FileSlashCommand, loadSlashCommands } from "../../slash-commands.js";
28 import { getEditorTheme, getMarkdownTheme, onThemeChange, setTheme, theme } from "../../theme/theme.js";
29 import { type TruncationResult } from "../../tools/truncate.js";
30 import { AssistantMessageComponent } from "../../tui/assistant-message.js";
31 import { BashExecutionComponent } from "../../tui/bash-execution.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 1318 characters to 1472 characters.
12:27:26 AM
Now add queuedMessages and fileCommands as local state (they're UI-specific, not session-level):
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
65 private lastSigintTime = 0;
66 private lastEscapeTime = 0;
67 private changelogMarkdown: string | null = null;
68
+ 69 // Message queueing (for UI display; actual queue is in agent)
+ 70 private queuedMessages: string[] = [];
+ 71
+ 72 // File-based slash commands
+ 73 private fileCommands: FileSlashCommand[] = [];
+ 74
69 // Streaming message tracking
70 private streamingComponent: AssistantMessageComponent | null = null;
71
72 // Tool execution tracking: toolCallId -> component
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 107 characters to 291 characters.
12:27:32 AM
Now let me check remaining errors:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && npx tsgo --noEmit 2>&1 | head -50
12:27:37 AM
Aborted
12:28:36 AM
why would we track the file slash commands in the interactive mode? agent session keeps track of those, no? do we load them once or do we load them on each /? if the latter, then agent session needs to reload them before evaluating commands i think. check what we do in the old tui-renderer
12:28:36 AM
Let me check how file slash commands are used in the old tui-renderer.ts. The user is right - we should understand whether they're loaded once or reloaded on each command.
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "fileCommands\|loadSlashCommands" packages/coding-agent/src/tui/tui-renderer.ts
42:import { expandSlashCommand, type FileSlashCommand, loadSlashCommands } from "../slash-commands.js";
131: private fileCommands: FileSlashCommand[] = [];
249: this.fileCommands = loadSlashCommands();
252: const fileSlashCommands: SlashCommand[] = this.fileCommands.map((cmd) => ({
573: text = expandSlashCommand(text, this.fileCommands);
12:28:41 AM
So in TuiRenderer:
1. `loadSlashCommands()` is called once in constructor (line 249)
2. The loaded commands are used for autocomplete (line 252)
3. They're passed to `expandSlashCommand()` when submitting (line 573)

Now let me check what AgentSession does:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "fileCommands\|expandSlashCommand" packages/coding-agent/src/core/agent-session.ts
12:28:45 AM
AgentSession stores fileCommands and exposes them via a getter. They're loaded once and passed in via config. The interactive mode needs them for autocomplete setup, so it should get them from session. Let me remove the local field and use the session's:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
68
69 // Message queueing (for UI display; actual queue is in agent)
70 private queuedMessages: string[] = [];
71
- 72 // File-based slash commands
- 73 private fileCommands: FileSlashCommand[] = [];
- 74
75 // Streaming message tracking
76 private streamingComponent: AssistantMessageComponent | null = null;
77
78 // Tool execution tracking: toolCallId -> component
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 291 characters to 212 characters.
12:28:51 AM
Now I need to find where fileCommands is used and replace with `this.session.fileCommands`:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "fileCommands\|loadSlashCommands" packages/coding-agent/src/modes/interactive/interactive-mode.ts
28:import { type FileSlashCommand, loadSlashCommands } from "../../slash-commands.js";
227: this.fileCommands = loadSlashCommands();
230: const fileSlashCommands: SlashCommand[] = this.fileCommands.map((cmd) => ({
551: text = expandSlashCommand(text, this.fileCommands);
12:28:55 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:29:01 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
220 description: "Resume a different session",
221 };
222
223 // Load hide thinking block setting
- 224 this.hideThinkingBlock = settingsManager.getHideThinkingBlock();
+ 224 this.hideThinkingBlock = this.settingsManager.getHideThinkingBlock();
225
- 226 // Load file-based slash commands
- 227 this.fileCommands = loadSlashCommands();
- 228
- 229 // Convert file commands to SlashCommand format
- 230 const fileSlashCommands: SlashCommand[] = this.fileCommands.map((cmd) => ({
+ 226 // Convert file commands to SlashCommand format (commands loaded by AgentSession)
+ 227 const fileSlashCommands: SlashCommand[] = this.session.fileCommands.map((cmd) => ({
231 name: cmd.name,
232 description: cmd.description,
233 }));
234
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 334 characters to 301 characters.
12:29:06 AM
Aborted
12:29:25 AM
same for queued messages? isn't that shit in agent session? i have a feeling you need to read agent session in full to complete this task well
12:29:25 AM
The user is right. I should read agent-session.ts in full to understand what's already there and avoid duplicating state/logic.
You're right, let me read agent-session.ts fully:
read ~/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts
12:29:29 AM
Now I have a clear picture. AgentSession already has:
- `_queuedMessages` with `queueMessage()`, `clearQueue()`, `queuedMessageCount`, `getQueuedMessages()`
- `scopedModels` getter
- `fileCommands` getter
- `isBashRunning` getter (no bashProcess needed)
- `cycleModel()`, `cycleThinkingLevel()`
- `executeBash()`, `abortBash()`
- `compact()`, `abortCompaction()`
- `switchSession()`, `branch()`, `getUserMessagesForBranching()`
- `exportToHtml()`

So in InteractiveMode I should:
1. Remove `queuedMessages` local array - use `session.getQueuedMessages()` for display
2. Remove cycleModel/cycleThinkingLevel implementations - call session methods
3. Remove executeBashCommand - use `session.executeBash()`
4. Remove executeCompaction - use `session.compact()`
5. Remove scopedModels - use `session.scopedModels`

Let me remove the local queuedMessages and update the code:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
65 private lastSigintTime = 0;
66 private lastEscapeTime = 0;
67 private changelogMarkdown: string | null = null;
68
- 69 // Message queueing (for UI display; actual queue is in agent)
- 70 private queuedMessages: string[] = [];
- 71
72 // Streaming message tracking
73 private streamingComponent: AssistantMessageComponent | null = null;
74
75 // Tool execution tracking: toolCallId -> component
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 212 characters to 107 characters.
12:29:40 AM
Now let me also remove the unused imports and add the needed ones. Let me check what's still needed:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
24 import { type BashExecutionMessage, isBashExecutionMessage } from "../../messages.js";
25 import { getApiKeyForModel, getAvailableModels, invalidateOAuthCache } from "../../model-config.js";
26 import { listOAuthProviders, login, logout, type SupportedOAuthProvider } from "../../oauth/index.js";
27 import { getLatestCompactionEntry, loadSessionFromEntries, SUMMARY_PREFIX, SUMMARY_SUFFIX } from "../../session-manager.js";
- 28 import { type FileSlashCommand, loadSlashCommands } from "../../slash-commands.js";
+ 28
29 import { getEditorTheme, getMarkdownTheme, onThemeChange, setTheme, theme } from "../../theme/theme.js";
30 import { type TruncationResult } from "../../tools/truncate.js";
31 import { AssistantMessageComponent } from "../../tui/assistant-message.js";
32 import { BashExecutionComponent } from "../../tui/bash-execution.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 83 characters to 0 characters.
12:29:45 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && npx tsgo --noEmit 2>&1 | grep "interactive-mode.ts" | head -40
12:29:50 AM
There are many errors related to the old duplicate methods. This is becoming a large refactoring task. Let me take a more efficient approach: I'll identify the methods that need to be replaced with session calls and fix them systematically.

Let me check line numbers for the major methods that need refactoring:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "private.*cycleModel\|private.*cycleThinkingLevel\|private.*executeBashCommand\|private.*executeCompaction\|private.*checkAutoCompaction\|private.*subscribeToAgent" packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:29:56 AM
Let me look at these methods to understand what each does and how they should be replaced. First, let me look at the escape handler and queued messages usage:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:30:00 AM
I need to replace queuedMessages with session methods. Let me fix the escape handler:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
326 // Set up custom key handlers on the editor
327 this.editor.onEscape = () => {
328 // Intercept Escape key when processing
329 if (this.loadingAnimation) {
- 330 // Get all queued messages
- 331 const queuedText = this.queuedMessages.join("\n\n");
+ 330 // Get all queued messages and clear them
+ 331 const queuedMessages = this.session.clearQueue();
+ 332 const queuedText = queuedMessages.join("\n\n");
332
333 // Get current editor text
334 const currentText = this.editor.getText();
335
336 // Combine: queued messages + current editor text
337 const combinedText = [queuedText, currentText].filter((t) => t.trim()).join("\n\n");
338
339 // Put back in editor
340 this.editor.setText(combinedText);
341
- 342 // Clear queued messages
- 343 this.queuedMessages = [];
+ 343 // Update display
344 this.updatePendingMessagesDisplay();
345
- 346 // Clear agent's queue too
- 347 this.agent.clearMessageQueue();
- 348
349 // Abort
350 this.agent.abort();
- 351 } else if (this.bashProcess) {
- 352 // Kill running bash command
- 353 if (this.bashProcess.pid) {
- 354 killProcessTree(this.bashProcess.pid);
- 355 }
- 356 this.bashProcess = null;
+ 348 } else if (this.session.isBashRunning) {
+ 349 // Cancel running bash command
+ 350 this.session.abortBash();
357 } else if (this.isBashMode) {
358 // Cancel bash mode and clear editor
359 this.editor.setText("");
360 this.isBashMode = false;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 915 characters to 805 characters.
12:30:07 AM
Aborted
12:30:29 AM
how about you kill the entire file, then read tui-rendering.ts in full and agent-session in full and create a brand spanking new interactive-mode.ts?
12:30:29 AM
The user is right. This piecemeal approach is error-prone and tedious. I should:
1. Delete the current interactive-mode.ts
2. Read tui-renderer.ts in full
3. Read agent-session.ts in full (already done)
4. Write a new interactive-mode.ts from scratch, properly using AgentSession

Let me do that.
You're right. This piecemeal approach is a mess. Let me start fresh:
$ rm /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
(no output)
12:30:35 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:30:38 AM
The file got cut off. Let me get the rest:
read ~/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts
12:30:43 AM
Now I have both files fully. Let me create a clean InteractiveMode that uses AgentSession properly. The key insight is:

**What moves to AgentSession (already there):**
- `subscribeToAgent()` → `session.subscribe()`
- `checkAutoCompaction()` → handled internally
- `cycleThinkingLevel()` → `session.cycleThinkingLevel()`
- `cycleModel()` → `session.cycleModel()`
- `executeBashCommand()` → `session.executeBash()`
- `executeCompaction()` → `session.compact()`
- `handleResumeSession()` → `session.switchSession()`
- `handleClearCommand()` reset logic → `session.reset()`
- `queuedMessages` → `session.getQueuedMessages()`, `session.clearQueue()`
- `scopedModels` → `session.scopedModels`
- `fileCommands` → `session.fileCommands`

**What stays in InteractiveMode (UI-specific):**
- TUI setup, components, rendering
- Editor, key handlers
- All selector UIs
- `handleEvent()` for UI updates
- `addMessageToChat()`, `renderInitialMessages()`, `rebuildChatFromMessages()`
- All show/hide selectors
- showError/showWarning/showNewVersionNotification
- updateEditorBorderColor, toggleToolOutputExpansion, toggleThinkingBlockVisibility

Let me write the new file:
write ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts (1487 lines)
Successfully wrote 49321 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:33:47 AM
Now let me check for type errors:
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -60
12:33:52 AM
Just a few type errors related to the text content extraction. Let me fix them:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "textBlocks.map" packages/coding-agent/src/modes/interactive/interactive-mode.ts
585: const textContent = textBlocks.map((c: { text: string }) => c.text).join("");
615: const textContent = textBlocks.map((c: { text: string }) => c.text).join("");
670: const textContent = textBlocks.map((c: { text: string }) => c.text).join("");
706: const textContent = textBlocks.map((c: { text: string }) => c.text).join("");
12:33:56 AM
The issue is the type annotation. Let me look at how the original tui-renderer.ts handles this:
$ cd /Users/badlogic/workspaces/pi-mono && grep -A2 "textBlocks.map" packages/coding-agent/src/tui/tui-renderer.ts | head -10
12:34:00 AM
I see - the original doesn't have explicit type annotations. Let me fix the type issues by properly narrowing to TextContent:
$ cd /Users/badlogic/workspaces/pi-mono && sed -i '' 's/const textContent = textBlocks.map((c: { text: string }) => c.text).join("");/const textContent = textBlocks.map((c) => (c as { text: string }).text).join("");/g' packages/coding-agent/src/modes/interactive/interactive-mode.ts
(no output)
12:34:05 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -30
12:34:11 AM
Now let me update the modes/index.ts to export InteractiveMode:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/index.ts
1 /**
2 * Run modes for the coding agent.
3 */
4
+5 export { InteractiveMode } from "./interactive/interactive-mode.js";
5 export { runPrintMode } from "./print-mode.js";
6 export { runRpcMode } from "./rpc-mode.js";
7 // InteractiveMode will be added in WP15
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/index.ts. Changed 91 characters to 160 characters.
12:34:17 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | tail -20
12:34:27 AM
All checks pass. Let me update the refactor.md checklist and commit:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1460 4. Manual test: All hotkeys work
1461 5. Manual test: Bash execution works
1462 6. Manual test: Model/thinking cycling works
1463
-1464 - [ ] Create `src/modes/interactive/` directory
-1465 - [ ] Copy tui-renderer.ts to interactive-mode.ts
-1466 - [ ] Rename class to `InteractiveMode`
-1467 - [ ] Change constructor to accept AgentSession
-1468 - [ ] Update all agent access to go through session
-1469 - [ ] Remove `subscribeToAgent()` method (use session.subscribe)
-1470 - [ ] Remove `checkAutoCompaction()` method (handled by session)
-1471 - [ ] Update `cycleThinkingLevel()` to use session method
-1472 - [ ] Update `cycleModel()` to use session method
-1473 - [ ] Update bash execution to use session.executeBash()
-1474 - [ ] Update compaction to use session.compact()
-1475 - [ ] Update reset logic to use session.reset()
-1476 - [ ] Update session switching to use session.switchSession()
-1477 - [ ] Update branch logic to use session.branch()
-1478 - [ ] Remove all direct sessionManager access
-1479 - [ ] Update imports to point to `../../tui/` for components (keep old components in place for now)
-1480 - [ ] Update modes/index.ts to export InteractiveMode
-1481 - [ ] Verify with `npm run check`
+1464 - [x] Create `src/modes/interactive/` directory
+1465 - [x] Copy tui-renderer.ts to interactive-mode.ts
+1466 - [x] Rename class to `InteractiveMode`
+1467 - [x] Change constructor to accept AgentSession
+1468 - [x] Update all agent access to go through session
+1469 - [x] Remove `subscribeToAgent()` method (use session.subscribe)
+1470 - [x] Remove `checkAutoCompaction()` method (handled by session)
+1471 - [x] Update `cycleThinkingLevel()` to use session method
+1472 - [x] Update `cycleModel()` to use session method
+1473 - [x] Update bash execution to use session.executeBash()
+1474 - [x] Update compaction to use session.compact()
+1475 - [x] Update reset logic to use session.reset()
+1476 - [x] Update session switching to use session.switchSession()
+1477 - [x] Update branch logic to use session.branch()
+1478 - [x] Remove all direct sessionManager access (use convenience getters for remaining access)
+1479 - [x] Update imports to point to `../../tui/` for components (keep old components in place for now)
+1480 - [x] Update modes/index.ts to export InteractiveMode
+1481 - [x] Verify with `npm run check`
1482 - [ ] Manual test interactive mode via cli-new.ts
1483
1484 ---
1485
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 1025 characters to 1072 characters.
12:34:39 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP15: Create InteractiveMode using AgentSession"
12:34:50 AM
WP15 complete. Now WP16: Update main-new.ts to use InteractiveMode. Let me read the current runInteractiveMode:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "async function runInteractiveMode" packages/coding-agent/src/main-new.ts
729:async function runInteractiveMode(
12:34:55 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:35:00 AM
Now let me see how it's called:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "runInteractiveMode(" packages/coding-agent/src/main-new.ts | tail -5
729:async function runInteractiveMode(
1228: await runInteractiveMode(
12:35:05 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
12:35:08 AM
Now I need to update runInteractiveMode to use InteractiveMode and AgentSession. The key changes:
1. Take AgentSession instead of individual params
2. Use InteractiveMode instead of TuiRenderer
3. Remove the manual event loop (InteractiveMode handles it)
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
726 });
727 }
728
729 async function runInteractiveMode(
- 730 agent: Agent,
- 731 sessionManager: SessionManager,
- 732 settingsManager: SettingsManager,
+ 730 session: AgentSession,
733 version: string,
734 changelogMarkdown: string | null = null,
- 735 collapseChangelog = false,
736 modelFallbackMessage: string | null = null,
737 versionCheckPromise: Promise<string | null>,
- 738 scopedModels: Array<{ model: Model<Api>; thinkingLevel: ThinkingLevel }> = [],
739 initialMessages: string[] = [],
740 initialMessage?: string,
741 initialAttachments?: Attachment[],
742 fdPath: string | null = null,
743 ): Promise<void> {
- 744 const renderer = new TuiRenderer(
- 745 agent,
- 746 sessionManager,
- 747 settingsManager,
- 748 version,
- 749 changelogMarkdown,
- 750 collapseChangelog,
- 751 scopedModels,
- 752 fdPath,
- 753 );
+ 740 const mode = new InteractiveMode(session, version, changelogMarkdown, fdPath);
754
755 // Initialize TUI (subscribes to agent events internally)
- 756 await renderer.init();
+ 743 await mode.init();
757
758 // Handle version check result when it completes (don't block)
759 versionCheckPromise.then((newVersion) => {
760 if (newVersion) {
- 761 renderer.showNewVersionNotification(newVersion);
+ 748 mode.showNewVersionNotification(newVersion);
762 }
763 });
764
765 // Render any existing messages (from --continue mode)
- 766 renderer.renderInitialMessages(agent.state);
+ 753 mode.renderInitialMessages(session.state);
767
768 // Show model fallback warning at the end of the chat if applicable
769 if (modelFallbackMessage) {
- 770 renderer.showWarning(modelFallbackMessage);
+ 757 mode.showWarning(modelFallbackMessage);
771 }
772
- 773 // Load file-based slash commands for expansion
- 774 const fileCommands = loadSlashCommands();
- 775
776 // Process initial message with attachments if provided (from @file args)
777 if (initialMessage) {
778 try {
- 779 await agent.prompt(expandSlashCommand(initialMessage, fileCommands), initialAttachments);
+ 763 await session.prompt(initialMessage, { attachments: initialAttachments });
780 } catch (error: unknown) {
781 const errorMessage = error instanceof Error ? error.message : "Unknown error occurred";
- 782 renderer.showError(errorMessage);
+ 766 mode.showError(errorMessage);
783 }
784 }
785
786 // Process remaining initial messages if provided (from CLI args)
787 for (const message of initialMessages) {
788 try {
- 789 await agent.prompt(expandSlashCommand(message, fileCommands));
+ 773 await session.prompt(message);
790 } catch (error: unknown) {
791 const errorMessage = error instanceof Error ? error.message : "Unknown error occurred";
- 792 renderer.showError(errorMessage);
+ 776 mode.showError(errorMessage);
793 }
794 }
795
796 // Interactive loop
797 while (true) {
- 798 const userInput = await renderer.getUserInput();
+ 782 const userInput = await mode.getUserInput();
799
- 800 // Process the message - agent.prompt will add user message and trigger state updates
+ 784 // Process the message
801 try {
- 802 await agent.prompt(userInput);
+ 786 await session.prompt(userInput);
803 } catch (error: unknown) {
- 804 // Display error in the TUI by adding an error message to the chat
805 const errorMessage = error instanceof Error ? error.message : "Unknown error occurred";
- 806 renderer.showError(errorMessage);
+ 789 mode.showError(errorMessage);
807 }
808 }
809 }
810
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 2471 characters to 1919 characters.
12:35:22 AM
Now update the call site:
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
1206 // Ensure fd tool is available for file autocomplete
1207 const fdPath = await ensureTool("fd");
1208
1209 // Interactive mode - use TUI (may have initial messages from CLI args)
-1210 const collapseChangelog = settingsManager.getCollapseChangelog();
-1211 await runInteractiveMode(
+1210 const session = new AgentSession({
1212 agent,
1213 sessionManager,
1214 settingsManager,
+1214 scopedModels,
+1215 fileCommands,
+1216 });
+1217 await runInteractiveMode(
+1218 session,
1215 VERSION,
1216 changelogMarkdown,
-1217 collapseChangelog,
1218 modelFallbackMessage,
1219 versionCheckPromise,
-1220 scopedModels,
1221 parsed.messages,
1222 initialMessage,
1223 initialAttachments,
1224 fdPath,
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 515 characters to 497 characters.
12:35:29 AM
Now update the imports in main-new.ts:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "from \"./modes/index.js\"" packages/coding-agent/src/main-new.ts
22:import { runPrintMode, runRpcMode } from "./modes/index.js";
12:35:33 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
18 import { AgentSession } from "./core/agent-session.js";
19 import { exportFromFile } from "./export-html.js";
20 import { messageTransformer } from "./messages.js";
21 import { findModel, getApiKeyForModel, getAvailableModels } from "./model-config.js";
- 22 import { runPrintMode, runRpcMode } from "./modes/index.js";
+ 22 import { InteractiveMode, runPrintMode, runRpcMode } from "./modes/index.js";
23 import { SessionManager } from "./session-manager.js";
24 import { SettingsManager } from "./settings-manager.js";
25 import { expandSlashCommand, loadSlashCommands } from "./slash-commands.js";
26 import { initTheme } from "./theme/theme.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 60 characters to 77 characters.
12:35:36 AM
Now let's remove the unused TuiRenderer import:
$ cd /Users/badlogic/workspaces/pi-mono && grep -n "TuiRenderer" packages/coding-agent/src/main-new.ts
30:import { TuiRenderer } from "./tui/tui-renderer.js";
1150: // (Interactive mode will create its own session when we refactor TuiRenderer)
12:35:40 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
26 import { initTheme } from "./theme/theme.js";
27 import { allTools, codingTools, type ToolName } from "./tools/index.js";
28 import { ensureTool } from "./tools-manager.js";
29 import { SessionSelectorComponent } from "./tui/session-selector.js";
- 30 import { TuiRenderer } from "./tui/tui-renderer.js";
31
+ 31
32 const defaultModelPerProvider: Record<KnownProvider, string> = {
33 anthropic: "claude-sonnet-4-5",
34 openai: "gpt-5.1-codex",
35 google: "gemini-2.5-pro",
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 52 characters to 0 characters.
12:35:44 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
1146 }
1147 }
1148
1149 // Create AgentSession for non-interactive modes
-1150 // (Interactive mode will create its own session when we refactor TuiRenderer)
+1150
1151 const fileCommands = loadSlashCommands();
1152
1153 // Route to appropriate mode
1154 if (mode === "rpc") {
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 79 characters to 0 characters.
12:35:48 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -40
12:35:53 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
...
21 import { findModel, getApiKeyForModel, getAvailableModels } from "./model-config.js";
22 import { InteractiveMode, runPrintMode, runRpcMode } from "./modes/index.js";
23 import { SessionManager } from "./session-manager.js";
24 import { SettingsManager } from "./settings-manager.js";
- 25 import { expandSlashCommand, loadSlashCommands } from "./slash-commands.js";
+ 25 import { loadSlashCommands } from "./slash-commands.js";
26 import { initTheme } from "./theme/theme.js";
27 import { allTools, codingTools, type ToolName } from "./tools/index.js";
28 import { ensureTool } from "./tools-manager.js";
29 import { SessionSelectorComponent } from "./tui/session-selector.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts. Changed 76 characters to 56 characters.
12:35:57 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | tail -15
12:36:06 AM
Let me update the docs and commit:
edit ~/workspaces/pi-mono/packages/coding-agent/docs/refactor.md
...
1519 **Verification:**
1520 1. `npm run check` passes
1521 2. Manual test via cli-new.ts: Interactive mode works
1522
-1523 - [ ] Update `runInteractiveMode()` in main-new.ts
-1524 - [ ] Update InteractiveMode instantiation
-1525 - [ ] Verify with `npm run check`
+1523 - [x] Update `runInteractiveMode()` in main-new.ts
+1524 - [x] Update InteractiveMode instantiation
+1525 - [x] Verify with `npm run check`
1526
1527 ---
1528
1529 ### WP17: (OPTIONAL) Move TUI components to modes/interactive/
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md. Changed 127 characters to 127 characters.
12:36:12 AM
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "WP16: Update main-new.ts to use InteractiveMode"
12:36:22 AM
WP14-16 complete. Let me show a summary of what we've accomplished:
$ cd /Users/badlogic/workspaces/pi-mono && git log --oneline refactor | head -20
12:36:26 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && wc -l src/main.ts src/main-new.ts src/core/agent-session.ts src/modes/interactive/interactive-mode.ts src/tui/tui-renderer.ts
12:36:30 AM
**Summary of progress:**

**WP1-WP16 Complete:**
- `AgentSession` (885 lines): Core abstraction shared by all modes
- `print-mode.ts`: Simple non-interactive mode using AgentSession
- `rpc-mode.ts`: JSON RPC mode using AgentSession
- `InteractiveMode` (1508 lines): TUI mode using AgentSession (down from 2376 in TuiRenderer)
- `main-new.ts` (1238 lines): New entry point using all new modules (down from 1543)

**Lines removed from duplicate code:**
- TuiRenderer had ~870 lines of duplicate logic now in AgentSession
- main.ts had ~300 lines of duplicate logic now in modes

**Next steps (WP17-WP20):**
- WP17: (Optional) Move TUI components to modes/interactive
- WP19: Extract setup logic from main.ts
- WP20: Final cleanup, testing, documentation

The main refactoring is done. You can now test via `npx tsx packages/coding-agent/src/cli-new.ts` to verify all three modes work correctly.
12:42:44 AM
i actually want you to:

- copy the tui components to modes/interactive, so the old shit still works
- we have a bunch of shit in src/ directly (not subfolders) that we also use. i basically want a fully self-contained implementatino of the new stuff, along side the old stuff. i can live with main-new.ts and cli-new.ts in src/, but the rest needs to be duplicated or moved to dirs we can keep later
12:42:44 AM
The user wants a fully self-contained implementation of the new code alongside the old code. This means:

1. Copy TUI components to `modes/interactive/` so InteractiveMode doesn't depend on `../../tui/`
2. Any other files in `src/` that are used by the new code should be either:
- Duplicated into the new structure
- Or organized in a way that can be kept later

Let me understand what the new code depends on:

From `interactive-mode.ts` imports:
- `../../changelog.js`
- `../../clipboard.js`
- `../../config.js`
- `../../core/agent-session.js`
- `../../messages.js`
- `../../model-config.js`
- `../../oauth/index.js`
- `../../session-manager.js`
- `../../theme/theme.js`
- `../../tools/truncate.js`
- `../../tui/assistant-message.js`
- `../../tui/bash-execution.js`
- `../../tui/compaction.js`
- `../../tui/custom-editor.js`
- `../../tui/dynamic-border.js`
- `../../tui/footer.js`
- `../../tui/model-selector.js`
- `../../tui/oauth-selector.js`
- `../../tui/queue-mode-selector.js`
- `../../tui/session-selector.js`
- `../../tui/theme-selector.js`
- `../../tui/thinking-selector.js`
- `../../tui/tool-execution.js`
- `../../tui/user-message.js`
- `../../tui/user-message-selector.js`

So the user wants:
1. Copy all TUI components from `src/tui/` to `src/modes/interactive/components/` or similar
2. Keep the shared utilities (changelog, clipboard, config, messages, model-config, oauth, session-manager, theme, tools) where they are since they're truly shared


3. Move TUI components to a new directory structure while maintaining their current functionality

I'll focus on organizing the TUI components into the new directory, ensuring that the imports and dependencies remain consistent with the current implementation. The goal is to create a clean, self-contained structure for the new interactive mode.

The shared utilities like config and messages are critical and should remain accessible to both old and new code paths. This approach prevents unnecessary duplication and maintains a single source of truth for core functionality.
Got it. Let me first see what's in `src/` directly that we're using:
$ ls -la /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/*.ts | head -30
12:43:01 AM
Now let me check the imports in interactive-mode.ts to see what TUI components we need to copy:
$ grep "from \"../../tui/" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:43:05 AM
Let me copy all TUI components to modes/interactive/components/:
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/components && ls /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui/
12:43:09 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui && for f in assistant-message.ts bash-execution.ts compaction.ts custom-editor.ts dynamic-border.ts footer.ts model-selector.ts oauth-selector.ts queue-mode-selector.ts session-selector.ts theme-selector.ts thinking-selector.ts tool-execution.ts user-message-selector.ts user-message.ts; do cp "$f" ../modes/interactive/components/; done
(no output)
12:43:14 AM
Now I need to update the imports in these component files. They import from `../` which would need to be `../../../`:
$ grep -l 'from "\.\.\/' /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/components/*.ts
12:43:19 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/components && sed -i '' 's|from "\.\./|from "../../../|g' *.ts
(no output)
12:43:23 AM
Also need to update imports within components that reference each other (e.g., `./` imports):
$ grep -l 'from "\./' /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/components/*.ts
12:43:27 AM
Let me check what they're importing locally:
$ grep 'from "\./' /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/components/*.ts
12:43:31 AM
Good, those are all `./` relative imports within the same components folder - those can stay as-is.

Now update interactive-mode.ts to use the local components:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive && sed -i '' 's|from "../../tui/|from "./components/|g' interactive-mode.ts
(no output)
12:43:36 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -40
Command aborted
12:43:41 AM
Aborted
12:44:32 AM
actually, can you revert that? i actually want to move those files to their final location. iiuc, they are now shared by the old main.ts/tui-renderer.ts and the new stuff. propose where each of these files should go. then we update the old and new implementation to both reference them
12:44:32 AM
The user wants to:
1. Revert the copy of TUI components to modes/interactive/components
2. Instead, move files to their final destination
3. Both old (main.ts, tui-renderer.ts) and new (main-new.ts, interactive-mode.ts) will reference the same files in their new locations

Let me think about a good structure. The files in src/ can be categorized:

**Core/Shared utilities** (used by all modes):
- `config.ts` - app configuration, paths
- `messages.ts` - message types (BashExecutionMessage)
- `model-config.ts` - model loading, API key management
- `session-manager.ts` - session file management
- `settings-manager.ts` - user settings
- `compaction.ts` - context compaction logic
- `shell.ts` - shell execution config
- `slash-commands.ts` - file-based slash commands
- `changelog.ts` - changelog parsing
- `clipboard.ts` - clipboard access
- `export-html.ts` - HTML export
- `fuzzy.ts` - fuzzy matching
- `tools-manager.ts` - tool installation

**TUI components** (only used by interactive mode):
- `tui/*.ts` - all the UI components

**Entry points**:
- `main.ts`, `main-new.ts` - main entry points
- `cli.ts`, `cli-new.ts` - CLI entry points
- `index.ts` - package exports

**Tools**:
- `tools/*.ts` - tool implementations

**Theme**:
- `theme/*.ts` - theming

**OAuth**:
- `oauth/*.ts` - OAuth handling

**Core abstractions** (new):
- `core/agent-session.ts`
- `core/bash-executor.ts`

**Modes** (new):
- `modes/print-mode.ts`
- `modes/rpc-mode.ts`


- `modes/interactive/interactive-mode.ts`

I'll organize the interactive mode implementation to centralize its specific logic. The interactive mode will be a dedicated module within the modes directory, allowing for clean separation of concerns and easier maintenance. This approach ensures that the interactive-specific components and logic are contained within a single, focused location.

The proposed structure maintains a clear hierarchy, with the interactive mode nested appropriately under the modes directory. This design supports modularity and makes it easy to add or modify interactive mode functionality in the future.

Key components like TUI, tools, theme, and OAuth remain in their existing locations, ensuring minimal disruption to the current architecture. The shared services provide a centralized infrastructure that can be easily accessed by different implementation approaches.

By keeping core components stationary and creating a dedicated space for the new interactive mode, the project maintains flexibility and clean code organization.

I'll consolidate shared utilities into `src/lib/`, which provides a clear, centralized location for cross-cutting concerns like configuration, session management, and utility functions. This approach simplifies dependency management and promotes a more modular design.

The proposed structure emphasizes maintaining existing strengths while creating clear pathways for new implementations, ensuring both backward compatibility and future extensibility.
Let me revert first:
$ cd /Users/badlogic/workspaces/pi-mono && git checkout -- . && rm -rf packages/coding-agent/src/modes/interactive/components
(no output)
12:44:55 AM
Now let me propose the structure. Here's what we have:

**Current `src/` root files (shared utilities):**
- `changelog.ts` - changelog parsing
- `clipboard.ts` - clipboard access
- `compaction.ts` - context compaction logic
- `config.ts` - app configuration, paths
- `export-html.ts` - HTML export
- `fuzzy.ts` - fuzzy matching
- `messages.ts` - message types (BashExecutionMessage)
- `model-config.ts` - model loading, API key management
- `session-manager.ts` - session file management
- `settings-manager.ts` - user settings
- `shell.ts` - shell execution config
- `slash-commands.ts` - file-based slash commands
- `tools-manager.ts` - tool installation

**Already in good locations:**
- `src/tui/` - TUI components (keep, both old and new use them)
- `src/tools/` - Tool implementations
- `src/theme/` - Theming
- `src/oauth/` - OAuth
- `src/core/` - New core abstractions
- `src/modes/` - New mode implementations

**Proposed final structure:**
```
src/
├── cli.ts, cli-new.ts # Entry points (keep in root)
├── main.ts, main-new.ts # Entry points (keep in root)
├── index.ts # Package exports (keep in root)
│
├── lib/ # Shared utilities (MOVE HERE)
│ ├── changelog.ts
│ ├── clipboard.ts
│ ├── compaction.ts
│ ├── config.ts
│ ├── export-html.ts
│ ├── fuzzy.ts
│ ├── messages.ts
│ ├── model-config.ts
│ ├── session-manager.ts
│ ├── settings-manager.ts
│ ├── shell.ts
│ ├── slash-commands.ts
│ └── tools-manager.ts
│
├── core/ # Core abstractions (keep)
├── modes/ # Mode implementations (keep)
├── tui/ # TUI components (keep)
├── tools/ # Tool implementations (keep)
├── theme/ # Theming (keep)
└── oauth/ # OAuth (keep)
```

Both `main.ts`/`tui-renderer.ts` (old) and `main-new.ts`/`interactive-mode.ts` (new) would import from `./lib/`.

Want me to proceed with this structure?
12:48:27 AM
no, that's horrible.

tools -> core/tools
tui -> modes/interactive/components
theme -> modes/interactive/theme
oauth -> core/oauth
changelog.ts, clipboard.ts, config.ts, fuzzy.ts, shell, tools-manager.ts -> utils (possibly others?)
compaction, export-html, messages, model-config, session-manager, settings-amnager, slash-commands -> core

or do you have other suggestions?
12:48:27 AM
The user's proposal is much cleaner. Let me think about it:

```
src/
├── cli.ts, cli-new.ts, main.ts, main-new.ts, index.ts # Entry points

├── core/ # Core business logic
│ ├── agent-session.ts # (already here)
│ ├── bash-executor.ts # (already here)
│ ├── compaction.ts # MOVE from src/
│ ├── export-html.ts # MOVE from src/
│ ├── messages.ts # MOVE from src/
│ ├── model-config.ts # MOVE from src/
│ ├── session-manager.ts # MOVE from src/
│ ├── settings-manager.ts # MOVE from src/
│ ├── slash-commands.ts # MOVE from src/
│ ├── tools/ # MOVE from src/tools/
│ └── oauth/ # MOVE from src/oauth/

├── utils/ # Generic utilities
│ ├── changelog.ts # MOVE from src/
│ ├── clipboard.ts # MOVE from src/
│ ├── config.ts # MOVE from src/
│ ├── fuzzy.ts # MOVE from src/
│ ├── shell.ts # MOVE from src/
│ └── tools-manager.ts # MOVE from src/

├── modes/ # Mode implementations
│ ├── print-mode.ts
│ ├── rpc-mode.ts
│ ├── index.ts
│ └── interactive/
│ ├── interactive-mode.ts
│ ├── components/ # MOVE from src/tui/
│ └── theme/ # MOVE from src/theme/


```

I'm pondering the placement of `config.ts`. Its contents suggest it might belong in the core directory. The file contains fundamental application-level configurations like app name and version, which seem more aligned with core infrastructure than generic utilities. This could indicate a potential refactoring to improve the project's architectural clarity.

Path helpers like `getAgentDir` and `getModelsPath` further reinforce this consideration. While these functions are widely used across the project, their nature of defining core application paths suggests they might be more appropriately situated in the core module.

The proposed structure appears sound. Specifically, keeping configuration-related files and tool management utilities in the `utils/` directory seems reasonable, pending a deeper architectural review.
That's much better. I agree with your structure:

```
src/
├── cli.ts, cli-new.ts, main.ts, main-new.ts, index.ts # Entry points (root)

├── core/ # Core business logic
│ ├── agent-session.ts # (already here)
│ ├── bash-executor.ts # (already here)
│ ├── index.ts # (already here)
│ ├── compaction.ts # MOVE
│ ├── export-html.ts # MOVE
│ ├── messages.ts # MOVE
│ ├── model-config.ts # MOVE
│ ├── session-manager.ts # MOVE
│ ├── settings-manager.ts # MOVE
│ ├── slash-commands.ts # MOVE
│ ├── tools/ # MOVE from src/tools/
│ └── oauth/ # MOVE from src/oauth/

├── utils/ # Generic utilities
│ ├── changelog.ts # MOVE
│ ├── clipboard.ts # MOVE
│ ├── config.ts # MOVE
│ ├── fuzzy.ts # MOVE
│ ├── shell.ts # MOVE
│ └── tools-manager.ts # MOVE

├── modes/
│ ├── print-mode.ts
│ ├── rpc-mode.ts
│ ├── index.ts
│ └── interactive/
│ ├── interactive-mode.ts
│ ├── components/ # MOVE from src/tui/ (except tui-renderer.ts)
│ └── theme/ # MOVE from src/theme/
```

One thought: `tui-renderer.ts` stays in `src/tui/` for the old implementation, or should it move too? I'm thinking leave it since it's the old code we're keeping for reference.

Should I proceed with these moves?
12:48:59 AM
can leave it
12:48:59 AM
The user wants me to proceed with the moves, leaving tui-renderer.ts in src/tui/.

Let me plan the moves:

1. Create directories:
- src/utils/
- src/modes/interactive/components/
- src/modes/interactive/theme/

2. Move to core/:
- compaction.ts
- export-html.ts
- messages.ts
- model-config.ts
- session-manager.ts
- settings-manager.ts
- slash-commands.ts
- tools/ (directory)
- oauth/ (directory)

3. Move to utils/:
- changelog.ts
- clipboard.ts
- config.ts
- fuzzy.ts
- shell.ts
- tools-manager.ts

4. Move to modes/interactive/components/:
- All files from src/tui/ EXCEPT tui-renderer.ts

5. Move to modes/interactive/theme/:
- All files from src/theme/

Then I need to update ALL imports in:
- main.ts (old)
- main-new.ts (new)
- tui-renderer.ts (old)
- interactive-mode.ts (new)
- agent-session.ts
- bash-executor.ts
- print-mode.ts
- rpc-mode.ts
- All the moved files themselves
- All the TUI components
- All the theme files
- etc.

This is a big refactoring. Let me do it systematically.
Let me do this systematically:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && mkdir -p utils modes/interactive/components modes/interactive/theme
(no output)
12:49:07 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && mv changelog.ts clipboard.ts config.ts fuzzy.ts shell.ts tools-manager.ts utils/
(no output)
12:49:11 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && mv compaction.ts export-html.ts messages.ts model-config.ts session-manager.ts settings-manager.ts slash-commands.ts core/
(no output)
12:49:15 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && mv tools oauth core/
(no output)
12:49:18 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui && for f in *.ts; do [ "$f" != "tui-renderer.ts" ] && mv "$f" ../modes/interactive/components/; done; ls
tui-renderer.ts
12:49:22 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && mv theme/* modes/interactive/theme/ && rmdir theme
(no output)
12:49:26 AM
Now I need to update all the imports. Let me check the current structure:
$ find /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src -name "*.ts" | head -50
12:49:30 AM
Now I need to fix all the imports. This is going to be extensive. Let me create a script to do the replacements:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Files moved to utils/ - update imports from src/ root +# changelog, clipboard, config, fuzzy, shell, tools-manager + +# Files moved to core/ - update imports from src/ root +# compaction, export-html, messages, model-config, session-manager, settings-manager, slash-commands + +# tools/ moved to core/tools/ +# oauth/ moved to core/oauth/ +# theme/ moved to modes/interactive/theme/ +# tui components moved to modes/interactive/components/ + +# Let's find all ts files and see what imports need fixing +grep -r "from \"\.\/" --include="*.ts" . | grep -v node_modules | head -50
12:49:37 AM
This is complex. Let me do it more systematically - fix imports file by file, starting with the core files that have internal dependencies:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix core/ files that import from what used to be sibling files (now in utils/) +# config.ts moved to utils/, so core files need ../utils/config.js + +# export-html.ts +sed -i '' 's|from "./config.js"|from "../utils/config.js"|g' core/export-html.ts + +# settings-manager.ts +sed -i '' 's|from "./config.js"|from "../utils/config.js"|g' core/settings-manager.ts + +# slash-commands.ts +sed -i '' 's|from "./config.js"|from "../utils/config.js"|g' core/slash-commands.ts + +# session-manager.ts +sed -i '' 's|from "./config.js"|from "../utils/config.js"|g' core/session-manager.ts + +# model-config.ts +sed -i '' 's|from "./config.js"|from "../utils/config.js"|g' core/model-config.ts + +echo "Fixed config imports in core/"
Fixed config imports in core/
12:49:44 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix core/agent-session.ts imports +sed -i '' 's|from "../compaction.js"|from "./compaction.js"|g' core/agent-session.ts +sed -i '' 's|from "../config.js"|from "../utils/config.js"|g' core/agent-session.ts +sed -i '' 's|from "../export-html.js"|from "./export-html.js"|g' core/agent-session.ts +sed -i '' 's|from "../messages.js"|from "./messages.js"|g' core/agent-session.ts +sed -i '' 's|from "../model-config.js"|from "./model-config.js"|g' core/agent-session.ts +sed -i '' 's|from "../session-manager.js"|from "./session-manager.js"|g' core/agent-session.ts +sed -i '' 's|from "../settings-manager.js"|from "./settings-manager.js"|g' core/agent-session.ts +sed -i '' 's|from "../slash-commands.js"|from "./slash-commands.js"|g' core/agent-session.ts + +echo "Fixed agent-session.ts"
Fixed agent-session.ts
12:49:50 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix core/bash-executor.ts imports +sed -i '' 's|from "../shell.js"|from "../utils/shell.js"|g' core/bash-executor.ts +sed -i '' 's|from "../tools/truncate.js"|from "./tools/truncate.js"|g' core/bash-executor.ts + +echo "Fixed bash-executor.ts"
Fixed bash-executor.ts
12:49:55 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix core/oauth/storage.ts - needs config +sed -i '' 's|from "../config.js"|from "../../utils/config.js"|g' core/oauth/storage.ts + +echo "Fixed oauth/storage.ts"
Fixed oauth/storage.ts
12:49:59 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix main.ts (old) - everything moved +sed -i '' 's|from "./changelog.js"|from "./utils/changelog.js"|g' main.ts +sed -i '' 's|from "./compaction.js"|from "./core/compaction.js"|g' main.ts +sed -i '' 's|from "./config.js"|from "./utils/config.js"|g' main.ts +sed -i '' 's|from "./export-html.js"|from "./core/export-html.js"|g' main.ts +sed -i '' 's|from "./messages.js"|from "./core/messages.js"|g' main.ts +sed -i '' 's|from "./model-config.js"|from "./core/model-config.js"|g' main.ts +sed -i '' 's|from "./session-manager.js"|from "./core/session-manager.js"|g' main.ts +sed -i '' 's|from "./settings-manager.js"|from "./core/settings-manager.js"|g' main.ts +sed -i '' 's|from "./shell.js"|from "./utils/shell.js"|g' main.ts +sed -i '' 's|from "./slash-commands.js"|from "./core/slash-commands.js"|g' main.ts +sed -i '' 's|from "./theme/theme.js"|from "./modes/interactive/theme/theme.js"|g' main.ts +sed -i '' 's|from "./tools/index.js"|from "./core/tools/index.js"|g' main.ts +sed -i '' 's|from "./tools/truncate.js"|from "./core/tools/truncate.js"|g' main.ts +sed -i '' 's|from "./tools-manager.js"|from "./utils/tools-manager.js"|g' main.ts + +echo "Fixed main.ts"
Fixed main.ts
12:50:08 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix main-new.ts +sed -i '' 's|from "./changelog.js"|from "./utils/changelog.js"|g' main-new.ts +sed -i '' 's|from "./config.js"|from "./utils/config.js"|g' main-new.ts +sed -i '' 's|from "./export-html.js"|from "./core/export-html.js"|g' main-new.ts +sed -i '' 's|from "./messages.js"|from "./core/messages.js"|g' main-new.ts +sed -i '' 's|from "./model-config.js"|from "./core/model-config.js"|g' main-new.ts +sed -i '' 's|from "./session-manager.js"|from "./core/session-manager.js"|g' main-new.ts +sed -i '' 's|from "./settings-manager.js"|from "./core/settings-manager.js"|g' main-new.ts +sed -i '' 's|from "./slash-commands.js"|from "./core/slash-commands.js"|g' main-new.ts +sed -i '' 's|from "./theme/theme.js"|from "./modes/interactive/theme/theme.js"|g' main-new.ts +sed -i '' 's|from "./tools/index.js"|from "./core/tools/index.js"|g' main-new.ts +sed -i '' 's|from "./tools-manager.js"|from "./utils/tools-manager.js"|g' main-new.ts + +echo "Fixed main-new.ts"
Fixed main-new.ts
12:50:14 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix tui-renderer.ts (old) +sed -i '' 's|from "../changelog.js"|from "../utils/changelog.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../clipboard.js"|from "../utils/clipboard.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../compaction.js"|from "../core/compaction.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../config.js"|from "../utils/config.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../export-html.js"|from "../core/export-html.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../messages.js"|from "../core/messages.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../model-config.js"|from "../core/model-config.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../oauth/index.js"|from "../core/oauth/index.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../session-manager.js"|from "../core/session-manager.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../settings-manager.js"|from "../core/settings-manager.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../shell.js"|from "../utils/shell.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../slash-commands.js"|from "../core/slash-commands.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../theme/theme.js"|from "../modes/interactive/theme/theme.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "../tools/truncate.js"|from "../core/tools/truncate.js"|g' tui/tui-renderer.ts + +echo "Fixed tui-renderer.ts"
Fixed tui-renderer.ts
12:50:21 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix interactive-mode.ts +sed -i '' 's|from "../../changelog.js"|from "../../utils/changelog.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../clipboard.js"|from "../../utils/clipboard.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../config.js"|from "../../utils/config.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../messages.js"|from "../../core/messages.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../model-config.js"|from "../../core/model-config.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../oauth/index.js"|from "../../core/oauth/index.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../session-manager.js"|from "../../core/session-manager.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../theme/theme.js"|from "./theme/theme.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../tools/truncate.js"|from "../../core/tools/truncate.js"|g' modes/interactive/interactive-mode.ts +sed -i '' 's|from "../../tui/|from "./components/|g' modes/interactive/interactive-mode.ts + +echo "Fixed interactive-mode.ts"
Fixed interactive-mode.ts
12:50:28 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix print-mode.ts and rpc-mode.ts +sed -i '' 's|from "../core/agent-session.js"|from "../core/agent-session.js"|g' modes/print-mode.ts +sed -i '' 's|from "../core/agent-session.js"|from "../core/agent-session.js"|g' modes/rpc-mode.ts + +# Check what they import +grep "from " modes/print-mode.ts modes/rpc-mode.ts
modes/print-mode.ts:import type { Attachment } from "@mariozechner/pi-agent-core";
modes/print-mode.ts:import type { AssistantMessage } from "@mariozechner/pi-ai";
modes/print-mode.ts:import type { AgentSession } from "../core/agent-session.js";
modes/rpc-mode.ts:import * as readline from "readline";
modes/rpc-mode.ts:import type { AgentSession } from "../core/agent-session.js";
12:50:33 AM
Good, those are fine. Now fix the components in modes/interactive/components/:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/components + +# Fix all component imports - they were in ../tui/ so ../xyz becomes ../../../xyz +for f in *.ts; do + # config -> utils/config + sed -i '' 's|from "../config.js"|from "../../../utils/config.js"|g' "$f" + # model-config -> core/model-config + sed -i '' 's|from "../model-config.js"|from "../../../core/model-config.js"|g' "$f" + # session-manager -> core/session-manager + sed -i '' 's|from "../session-manager.js"|from "../../../core/session-manager.js"|g' "$f" + # settings-manager -> core/settings-manager + sed -i '' 's|from "../settings-manager.js"|from "../../../core/settings-manager.js"|g' "$f" + # messages -> core/messages + sed -i '' 's|from "../messages.js"|from "../../../core/messages.js"|g' "$f" + # theme/theme -> ../theme/theme + sed -i '' 's|from "../theme/theme.js"|from "../theme/theme.js"|g' "$f" + # tools/truncate -> core/tools/truncate + sed -i '' 's|from "../tools/truncate.js"|from "../../../core/tools/truncate.js"|g' "$f" + # fuzzy -> utils/fuzzy + sed -i '' 's|from "../fuzzy.js"|from "../../../utils/fuzzy.js"|g' "$f" + # oauth -> core/oauth + sed -i '' 's|from "../oauth/index.js"|from "../../../core/oauth/index.js"|g' "$f" +done + +echo "Fixed component imports"
Fixed component imports
12:50:42 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/theme + +# Fix theme imports +sed -i '' 's|from "../config.js"|from "../../../utils/config.js"|g' theme.ts + +echo "Fixed theme imports"
Fixed theme imports
12:50:46 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix utils/tools-manager.ts - imports config +sed -i '' 's|from "./config.js"|from "./config.js"|g' utils/tools-manager.ts + +# Check what it imports +grep "from " utils/tools-manager.ts
12:50:50 AM
Good. Now let's check if there are any remaining broken imports:
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -80
12:50:55 AM
More fixes needed:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src + +# Fix core/tools imports +sed -i '' 's|from "../shell.js"|from "../../utils/shell.js"|g' core/tools/bash.ts +sed -i '' 's|from "../tools-manager.js"|from "../../utils/tools-manager.js"|g' core/tools/find.ts +sed -i '' 's|from "../tools-manager.js"|from "../../utils/tools-manager.js"|g' core/tools/grep.ts + +# Fix index.ts +sed -i '' 's|from "./session-manager.js"|from "./core/session-manager.js"|g' index.ts +sed -i '' 's|from "./tools/index.js"|from "./core/tools/index.js"|g' index.ts + +# Fix main.ts and main-new.ts - tui/session-selector.js +sed -i '' 's|from "./tui/session-selector.js"|from "./modes/interactive/components/session-selector.js"|g' main.ts +sed -i '' 's|from "./tui/session-selector.js"|from "./modes/interactive/components/session-selector.js"|g' main-new.ts + +# Fix oauth-selector.ts in components +sed -i '' 's|from "../oauth/storage.js"|from "../../../core/oauth/storage.js"|g' modes/interactive/components/oauth-selector.ts + +# Fix tui-renderer.ts - components now in modes/interactive/components +sed -i '' 's|from "./assistant-message.js"|from "../modes/interactive/components/assistant-message.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./bash-execution.js"|from "../modes/interactive/components/bash-execution.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./compaction.js"|from "../modes/interactive/components/compaction.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./custom-editor.js"|from "../modes/interactive/components/custom-editor.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./dynamic-border.js"|from "../modes/interactive/components/dynamic-border.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./footer.js"|from "../modes/interactive/components/footer.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./model-selector.js"|from "../modes/interactive/components/model-selector.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./oauth-selector.js"|from "../modes/interactive/components/oauth-selector.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./queue-mode-selector.js"|from "../modes/interactive/components/queue-mode-selector.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./session-selector.js"|from "../modes/interactive/components/session-selector.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./theme-selector.js"|from "../modes/interactive/components/theme-selector.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./thinking-selector.js"|from "../modes/interactive/components/thinking-selector.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./tool-execution.js"|from "../modes/interactive/components/tool-execution.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./user-message.js"|from "../modes/interactive/components/user-message.js"|g' tui/tui-renderer.ts +sed -i '' 's|from "./user-message-selector.js"|from "../modes/interactive/components/user-message-selector.js"|g' tui/tui-renderer.ts + +# Fix utils/shell.ts +sed -i '' 's|from "./settings-manager.js"|from "../core/settings-manager.js"|g' utils/shell.ts + +echo "Fixed more imports"
Fixed more imports
12:51:07 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent + +# Fix test files +sed -i '' 's|from "../src/compaction.js"|from "../src/core/compaction.js"|g' test/compaction.test.ts +sed -i '' 's|from "../src/session-manager.js"|from "../src/core/session-manager.js"|g' test/compaction.test.ts +sed -i '' 's|from "../src/fuzzy.js"|from "../src/utils/fuzzy.js"|g' test/fuzzy.test.ts +sed -i '' 's|from "../src/messages.js"|from "../src/core/messages.js"|g' test/rpc.test.ts +sed -i '' 's|from "../src/session-manager.js"|from "../src/core/session-manager.js"|g' test/rpc.test.ts +sed -i '' 's|from "../src/theme/theme.js"|from "../src/modes/interactive/theme/theme.js"|g' test/test-theme-colors.ts +sed -i '' 's|from "../src/tools/bash.js"|from "../src/core/tools/bash.js"|g' test/tools.test.ts +sed -i '' 's|from "../src/tools/edit.js"|from "../src/core/tools/edit.js"|g' test/tools.test.ts +sed -i '' 's|from "../src/tools/find.js"|from "../src/core/tools/find.js"|g' test/tools.test.ts +sed -i '' 's|from "../src/tools/grep.js"|from "../src/core/tools/grep.js"|g' test/tools.test.ts +sed -i '' 's|from "../src/tools/ls.js"|from "../src/core/tools/ls.js"|g' test/tools.test.ts +sed -i '' 's|from "../src/tools/read.js"|from "../src/core/tools/read.js"|g' test/tools.test.ts +sed -i '' 's|from "../src/tools/write.js"|from "../src/core/tools/write.js"|g' test/tools.test.ts + +echo "Fixed test imports"
Fixed test imports
12:51:15 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | head -60
12:51:24 AM
All checks pass. Let me verify the structure:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && find . -type f -name "*.ts" | sort
12:51:29 AM
Let me commit this:
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "Reorganize file structure: core/, utils/, modes/interactive/components/, modes/interactive/theme/"
12:51:40 AM
Done. Final structure:

```
src/
├── cli.ts, cli-new.ts, main.ts, main-new.ts, index.ts # Entry points

├── core/ # Core business logic
│ ├── agent-session.ts
│ ├── bash-executor.ts
│ ├── compaction.ts
│ ├── export-html.ts
│ ├── index.ts
│ ├── messages.ts
│ ├── model-config.ts
│ ├── session-manager.ts
│ ├── settings-manager.ts
│ ├── slash-commands.ts
│ ├── oauth/
│ │ ├── anthropic.ts
│ │ ├── index.ts
│ │ └── storage.ts
│ └── tools/
│ ├── bash.ts, edit.ts, find.ts, grep.ts, ls.ts, read.ts, write.ts
│ ├── index.ts
│ └── truncate.ts

├── modes/ # Mode implementations
│ ├── index.ts
│ ├── print-mode.ts
│ ├── rpc-mode.ts
│ └── interactive/
│ ├── interactive-mode.ts
│ ├── components/ # TUI components
│ │ └── *.ts (15 files)
│ └── theme/
│ ├── theme.ts
│ ├── dark.json, light.json
│ └── theme-schema.json

├── tui/ # Old implementation (kept for reference)
│ └── tui-renderer.ts

└── utils/ # Generic utilities
├── changelog.ts
├── clipboard.ts
├── config.ts
├── fuzzy.ts
├── shell.ts
└── tools-manager.ts
```
12:52:47 AM
~/workspaces/pi-mono (refactor)
➜ pi-mono git:(refactor) npx tsx packages/coding-agent/src/cli.ts -c
node:fs:443
return binding.readFileUtf8(path, stringToFlags(options.flag));
^

Error: ENOENT: no such file or directory, open '/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/package.json'
at readFileSync (node:fs:443:20)
at <anonymous> (/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts:76:24)
at ModuleJob.run (node:internal/modules/esm/module_job:271:25)
at async onImport.tracePromise.__proto__ (node:internal/modules/esm/loader:547:26)
at async asyncRunEntryPointWithESMLoader (node:internal/modules/run_main:98:5) {
errno: -2,
code: 'ENOENT',
syscall: 'open',
path: '/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/package.json'
}

Node.js v23.4.0
12:52:47 AM
The issue is in config.ts - it's trying to read package.json relative to where config.ts is now located (utils/), but package.json is at the package root. Let me check and fix this.
The config.ts is now in `utils/` so the relative path to package.json is wrong. Let me fix it:
$ grep -n "package.json" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts
12:52:56 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts
12:53:00 AM
The issue is that `__dirname` is now `utils/`, so `dirname(__dirname)` goes to `src/`, not the package root. I need to go up two levels now:
edit ~/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts
...
31 if (isBunBinary) {
32 // Bun binary: process.execPath points to the compiled executable
33 return dirname(process.execPath);
34 }
- 35 // Node.js: check if package.json exists in __dirname (dist/) or parent (src/ case)
- 36 if (existsSync(join(__dirname, "package.json"))) {
- 37 return __dirname;
+ 35 // Node.js: walk up from __dirname until we find package.json
+ 36 let dir = __dirname;
+ 37 while (dir !== dirname(dir)) {
+ 38 if (existsSync(join(dir, "package.json"))) {
+ 39 return dir;
+ 40 }
+ 41 dir = dirname(dir);
38 }
- 39 // Running from src/ via tsx - go up one level to package root
- 40 return dirname(__dirname);
+ 43 // Fallback (shouldn't happen)
+ 44 return __dirname;
41 }
42
43 /**
44 * Get path to built-in themes directory (shipped with package)
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts. Changed 422 characters to 429 characters.
12:53:08 AM
Also need to fix `getThemesDir()` since theme moved to `modes/interactive/theme/`:
edit ~/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts
...
46
47 /**
48 * Get path to built-in themes directory (shipped with package)
49 * - For Bun binary: theme/ next to executable
- 50 * - For Node.js (dist/): dist/theme/
- 51 * - For tsx (src/): src/theme/
+ 50 * - For Node.js (dist/): dist/modes/interactive/theme/
+ 51 * - For tsx (src/): src/modes/interactive/theme/
52 */
53 export function getThemesDir(): string {
54 if (isBunBinary) {
55 return join(dirname(process.execPath), "theme");
56 }
- 57 // __dirname is either dist/ or src/ - theme is always a subdirectory
- 58 return join(__dirname, "theme");
+ 57 // Theme is in modes/interactive/theme/ relative to src/ or dist/
+ 58 const packageDir = getPackageDir();
+ 59 const srcOrDist = existsSync(join(packageDir, "src")) ? "src" : "dist";
+ 60 return join(packageDir, srcOrDist, "modes", "interactive", "theme");
59 }
60
61 /** Get path to package.json */
62 export function getPackageJsonPath(): string {
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/utils/config.ts. Changed 410 characters to 588 characters.
12:53:17 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | tail -20
12:53:26 AM
$ cd /Users/badlogic/workspaces/pi-mono && npx tsx packages/coding-agent/src/cli.ts --help 2>&1 | head -10
12:53:29 AM
any other such pathing issues possibly?
12:53:31 AM
Let me think about what other path-related things might break:

1. `getThemesDir()` - fixed
2. `getPackageDir()` - fixed
3. `getPackageJsonPath()` - uses getPackageDir(), should be fine
4. `getReadmePath()` - uses getPackageDir(), should be fine
5. `getChangelogPath()` - uses getPackageDir(), should be fine

But wait, there might be issues in other files that use `__dirname` or relative paths:

1. `theme.ts` moved to `modes/interactive/theme/` - might have path issues
2. `slash-commands.ts` - might reference paths
3. Any other file that constructs paths relative to its own location

Let me check these files for potential issues.
Let me check for any other `__dirname` or relative path usage that might break:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src && grep -rn "__dirname\|import.meta\|\.\./" --include="*.ts" | grep -v node_modules | grep -v "from \"\.\." | head -30
12:53:40 AM
Good, only config.ts uses `__dirname`. Let me check theme.ts since it moved and might load theme files:
$ grep -n "getThemesDir\|readFileSync\|\.json" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/theme/theme.ts | head -20
12:53:45 AM
It uses `getThemesDir()` which we fixed. Let me verify the path logic is working by testing:
$ cd /Users/badlogic/workspaces/pi-mono && npx tsx -e "import { getThemesDir, getPackageDir } from './packages/coding-agent/src/utils/config.js'; console.log('Package dir:', getPackageDir()); console.log('Themes dir:', getThemesDir());"
12:53:50 AM
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && npx tsx -e "import { getThemesDir, getPackageDir } from './src/utils/config.js'; console.log('Package dir:', getPackageDir()); console.log('Themes dir:', getThemesDir());"
12:53:56 AM
Let me try a different approach:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent && npx tsx src/cli.ts --help 2>&1 | head -5
+
+
12:54:21 AM
+
+ ▶ + Context compacted from 185,014 tokens + (click to expand summary) +
+
+
+
+
Summary sent to model
+
# Context Checkpoint: Coding Agent Refactoring

## Branch
`refactor` in `/Users/badlogic/workspaces/pi-mono`

## Goal
Refactor `coding-agent` to eliminate code duplication between three run modes (interactive, print/json, rpc) by creating a shared `AgentSession` abstraction.

## Completed Work (WP1-WP16)
All core refactoring is done:
- `AgentSession` class created (`src/core/agent-session.ts`) - 885 lines
- `bash-executor.ts` created (`src/core/bash-executor.ts`)
- `print-mode.ts` and `rpc-mode.ts` created (`src/modes/`)
- `InteractiveMode` created (`src/modes/interactive/interactive-mode.ts`) - 1508 lines
- `main-new.ts` and `cli-new.ts` created - use new architecture
- Old code preserved: `main.ts`, `tui-renderer.ts` still work

## Current Task: File Reorganization
User wants files moved to final locations so new code is self-contained. Both old and new implementations will reference files in their new locations.

### Agreed Structure
```
src/
├── cli.ts, cli-new.ts, main.ts, main-new.ts, index.ts # Stay in root

├── core/ # Core business logic
│ ├── agent-session.ts # Already here
│ ├── bash-executor.ts # Already here
│ ├── index.ts # Already here
│ ├── compaction.ts # MOVE from src/
│ ├── export-html.ts # MOVE from src/
│ ├── messages.ts # MOVE from src/
│ ├── model-config.ts # MOVE from src/
│ ├── session-manager.ts # MOVE from src/
│ ├── settings-manager.ts # MOVE from src/
│ ├── slash-commands.ts # MOVE from src/
│ ├── tools/ # MOVE from src/tools/
│ └── oauth/ # MOVE from src/oauth/

├── utils/ # Generic utilities
│ ├── changelog.ts # MOVE from src/
│ ├── clipboard.ts # MOVE from src/
│ ├── config.ts # MOVE from src/
│ ├── fuzzy.ts # MOVE from src/
│ ├── shell.ts # MOVE from src/
│ └── tools-manager.ts # MOVE from src/

├── modes/
│ ├── print-mode.ts # Already here
│ ├── rpc-mode.ts # Already here
│ ├── index.ts # Already here
│ └── interactive/
│ ├── interactive-mode.ts # Already here
│ ├── components/ # MOVE from src/tui/ (except tui-renderer.ts)
│ └── theme/ # MOVE from src/theme/
```

Note: `src/tui/tui-renderer.ts` stays in place (old implementation for reference).

## Next Steps
1. Create directories: `src/utils/`, `src/modes/interactive/components/`, `src/modes/interactive/theme/`
2. Move files as per structure above
3. Update ALL imports in both old (`main.ts`, `tui-renderer.ts`) and new (`main-new.ts`, `interactive-mode.ts`, modes, core) files
4. Run `npm run check` to verify
5. Test via `npx tsx src/cli-new.ts`

## Key Files
- Plan: `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/docs/refactor.md`
- New main: `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts`
- AgentSession: `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/agent-session.ts`
- InteractiveMode: `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts`
- Old TuiRenderer: `/Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/tui/tui-renderer.ts`

## User Preferences
- **E2E tests only** - no unit tests
- Keep old code working alongside new code
- `npm run check` must pass (formatting, linting, types)
- Git commits after major changes

## Commands
- `npm run check` - Full check
- `npx tsx src/cli-new.ts` - Test new implementation
+
+
+
12:54:27 AM
alright, where were we?
12:54:27 AM
The user is asking where we were in the refactoring work. Let me recall the context:

1. We reorganized the file structure (moved files to core/, utils/, modes/interactive/components/, modes/interactive/theme/)
2. We fixed path issues in config.ts for getPackageDir() and getThemesDir()
3. npm run check passes
4. But when running `npx tsx packages/coding-agent/src/cli.ts -c`, there was an error about package.json not being found
5. We fixed getPackageDir() to walk up directories to find package.json
6. We fixed getThemesDir() to use the new path structure
7. Check passes
8. User asked about other pathing issues
9. I was trying to verify the path logic with a test command but ran into tsx issues with -e eval

The user is now asking where we are. The main task was file reorganization which is done and committed. The path fixes were made but not yet committed. Let me check the status.
We completed the file reorganization and committed it. Then we fixed path issues in `config.ts`:
1. `getPackageDir()` - now walks up to find package.json
2. `getThemesDir()` - updated for new theme location

Let me verify these fixes work:
$ cd /Users/badlogic/workspaces/pi-mono && npx tsx packages/coding-agent/src/cli.ts --help 2>&1 | head -5
pi - AI coding assistant with read, bash, edit, write tools
Usage:
pi [options] [@files...] [messages...]
12:54:38 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | tail -5
> pi-web-ui-example@1.2.2 check
> tsc --noEmit
12:54:47 AM
Both work. Let me commit the path fixes:
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "Fix path resolution in config.ts after file reorganization"
12:54:57 AM
Done. We're at:

**Completed:**
- File reorganization (core/, utils/, modes/interactive/components/, modes/interactive/theme/)
- Path fixes for the new structure
- Both old (`cli.ts`) and new (`cli-new.ts`) entry points work

**Remaining from the refactor plan:**
- Testing the new implementation more thoroughly
- Eventually replacing old code with new once validated

Want to test the new implementation (`cli-new.ts`) or continue with something else?
12:58:13 AM
so, i'm now in the new implementation, you still there?
12:58:13 AM
Aborted
12:58:22 AM
$ ls
12:58:25 AM
wow, it works
12:58:25 AM
The user is confirming they're running the new implementation (cli-new.ts) and it's working. They ran `ls` successfully and see the expected output. This is great news - the refactored code with AgentSession and InteractiveMode is working.
Excellent! The new architecture
Aborted
12:58:41 AM
wow
12:58:41 AM
The user seems impressed that the new implementation is working. They're testing it out and it's functioning properly. I should just acknowledge this briefly and see if they want to continue testing or move on to something else.
The refactor worked. `AgentSession` + `InteractiveMode` running clean.

Want to test more features (compaction, model switching, etc.) or move on to next steps?
12:59:01 AM
jesus, everything works, you are a monster
12:59:01 AM
The user is expressing amazement that everything works. They're complimenting the work done on the refactor. I should be modest and direct, and maybe suggest next steps.
Thanks. The structure was solid to begin with, just needed deduplication.

Next steps when you're ready:
1. Delete old code (`main.ts`, `tui/tui-renderer.ts`, `cli.ts`)
2. Rename `main-new.ts` → `main.ts`, `cli-new.ts` → `cli.ts`
3. Update refactor.md to mark complete

Or keep both running in parallel for a while to catch edge cases?
12:59:12 AM
are we all commited?
12:59:12 AM
The user is asking if all changes are committed. Let me check git status.
$ cd /Users/badlogic/workspaces/pi-mono && git status
12:59:16 AM
One uncommitted change in interactive-mode.ts. Let me check what it is:
$ cd /Users/badlogic/workspaces/pi-mono && git diff packages/coding-agent/src/modes/interactive/interactive-mode.ts
12:59:21 AM
Minor cleanup (removed unnecessary cast since type narrowing works). Let me commit it:
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "Remove unnecessary type cast in interactive-mode.ts"
12:59:31 AM
All committed. There's an unused import warning (BashExecutionMessage type) but it passes. Want me to clean that up too?
12:59:48 AM
yes need to be fully clean
12:59:48 AM
The user wants the code to be fully clean with no warnings. Let me remove the unused BashExecutionMessage import.
$ grep -n "BashExecutionMessage" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
26:import { type BashExecutionMessage, isBashExecutionMessage } from "../../core/messages.js";
564: if (isBashExecutionMessage(message)) {
604: if (isBashExecutionMessage(message)) {
695: if (isBashExecutionMessage(message)) {
12:59:52 AM
Only the type import is unused (function `isBashExecutionMessage` is used). Let me remove the type import:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
22 visibleWidth,
23 } from "@mariozechner/pi-tui";
24 import { exec } from "child_process";
25 import type { AgentSession } from "../../core/agent-session.js";
- 26 import { type BashExecutionMessage, isBashExecutionMessage } from "../../core/messages.js";
+ 26 import { isBashExecutionMessage } from "../../core/messages.js";
27 import { invalidateOAuthCache } from "../../core/model-config.js";
28 import { listOAuthProviders, login, logout, type SupportedOAuthProvider } from "../../core/oauth/index.js";
29 import { getLatestCompactionEntry, SUMMARY_PREFIX, SUMMARY_SUFFIX } from "../../core/session-manager.js";
30 import type { TruncationResult } from "../../core/tools/truncate.js";
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 91 characters to 64 characters.
12:59:56 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | grep -E "(warning|error|Fixed|No fixes)"
01:00:06 AM
Clean. Committing:
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "Remove unused BashExecutionMessage import"
01:00:17 AM
All clean, all committed.
01:00:51 AM
alright, interactive-mode.ts, i feel like there's lots of code duplication wrt swapping out the editor component with a ui, then swapping it back in. can we make this less dumb and more concise?
01:00:51 AM
The user wants me to look at interactive-mode.ts and find code duplication around swapping editor components with UI elements. Let me read the file and identify the patterns.
$ grep -n "swapChild\|replaceEditor\|editor\|inputContainer" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts | head -60
01:00:57 AM
$ grep -n "editorContainer.clear\|editorContainer.addChild\|ui.setFocus" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:01:01 AM
I see the pattern. There are many instances of:
```typescript
this.editorContainer.clear();
this.editorContainer.addChild(someComponent);
this.ui.setFocus(someComponent or someComponent.getSelectList());
```

And restoring:
```typescript
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.ui.setFocus(this.editor);
```

Let me create helper methods:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:01:06 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:01:10 AM
I see the pattern clearly. Let me create two helper methods and refactor:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:01:15 AM
Now I'll add two helper methods and refactor all the show/hide pairs. Let me find a good place to add them:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:01:20 AM
Now I'll add helper methods and refactor. The pattern is:
1. `showSelector(component, focusTarget?)` - swaps editor for component
2. `restoreEditor()` - swaps component back for editor
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:02:43 AM
like, can't we make this even better? i would think that we have a showSelector() that takes a function that returns whatever need to swap things and does everything? then we can get rid of all the hide shit, no?
01:02:43 AM
The user wants a cleaner abstraction. Instead of having separate show/hide methods for each selector, we could have a single `showSelector` method that:
1. Takes a function that creates the selector component
2. Handles swapping the editor out
3. Returns a cleanup/hide function or handles it automatically via callbacks

The idea is that each selector already has onSelect and onCancel callbacks. We could wrap those to automatically restore the editor.

Something like:

```typescript
private showSelector<T extends Component>(
createSelector: (onDone: () => void) => { component: T; focusTarget: Component }
): void {
const restore = () => {
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.ui.setFocus(this.editor);
};

const { component, focusTarget } = createSelector(restore);
this.editorContainer.clear();
this.editorContainer.addChild(component);
this.ui.setFocus(focusTarget);
this.ui.requestRender();
}
```

Then usage would be:
```typescript
this.showSelector((done) => {
const selector = new ThinkingSelectorComponent(
this.session.thinkingLevel,
(level) => {
this.session.setThinkingLevel(level);
// ... other stuff
done();
this.ui.requestRender();
},
() => {
done();
this.ui.requestRender();
},
);
return { component: selector, focusTarget: selector.getSelectList() };
});
```

This eliminates all the `hideXxxSelector` methods and the `xxxSelector` member variables (since we don't need to track them anymore).

Actually, we could simplify even more. The selectors all have similar patterns - they have onSelect and onCancel callbacks. We could make the API even cleaner:


I see a potential refinement in the selector approach. The method needs to handle component creation and restoration flexibly. By passing a `done` callback directly to the selector creation function, we can create a more generic mechanism for swapping components and managing UI transitions.

The key is designing an abstraction that allows selectors to control their own completion while providing a standard way to return to the previous state. This approach would create a more modular and reusable pattern for managing UI interactions across different selector types.

The goal is to create a universal method that can handle various selector scenarios with minimal boilerplate code, reducing complexity and improving maintainability. I'll track the remaining selector variables and assess their usage. These selectors seem peripheral to the core interaction flow. By examining their current implementation, they appear to be narrowly scoped UI components without broader system dependencies. Removing them would streamline the component's structure, reducing unnecessary complexity and potential state management overhead. I'll verify their isolation from other system interactions to confirm safe elimination.
You're right. We can have `showSelector` take a factory function that receives a `done` callback, and the selector's own onSelect/onCancel just call `done()`. No need for separate hide methods or tracking selector instances.
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:03:05 AM
First, let me remove the selector member variables and add the helper method:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
71
72 // Tool execution tracking: toolCallId -> component
73 private pendingTools = new Map<string, ToolExecutionComponent>();
74
- 75 // Selector components
- 76 private thinkingSelector: ThinkingSelectorComponent | null = null;
- 77 private queueModeSelector: QueueModeSelectorComponent | null = null;
- 78 private themeSelector: ThemeSelectorComponent | null = null;
- 79 private modelSelector: ModelSelectorComponent | null = null;
- 80 private userMessageSelector: UserMessageSelectorComponent | null = null;
- 81 private sessionSelector: SessionSelectorComponent | null = null;
- 82 private oauthSelector: OAuthSelectorComponent | null = null;
- 83
84 // Track if this is the first user message (to skip spacer)
85 private isFirstUserMessage = true;
86
87 // Tool output expansion state
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 549 characters to 60 characters.
01:03:10 AM
Now add the helper method. Let me find the Selectors section:
$ grep -n "// Selectors" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
882: // Selectors
01:03:15 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:03:20 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:03:24 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:03:28 AM
Now I understand the full picture. Let me replace the entire Selectors section with a cleaner implementation:
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
881 // =========================================================================
882 // Selectors
883 // =========================================================================
884
- 885 private showThinkingSelector(): void {
- 886 this.thinkingSelector = new ThinkingSelectorComponent(
- 887 this.session.thinkingLevel,
- 888 (level) => {
- 889 this.session.setThinkingLevel(level);
- 890 this.updateEditorBorderColor();
- 891 this.chatContainer.addChild(new Spacer(1));
- 892 this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking level: ${level}`), 1, 0));
- 893 this.hideThinkingSelector();
- 894 this.ui.requestRender();
- 895 },
- 896 () => {
- 897 this.hideThinkingSelector();
- 898 this.ui.requestRender();
- 899 },
- 900 );
+ 885 /**
+ 886 * Shows a selector component in place of the editor.
+ 887 * @param create Factory that receives a `done` callback and returns the component and focus target
+ 888 */
+ 889 private showSelector(create: (done: () => void) => { component: Component; focus: Component }): void {
+ 890 const done = () => {
+ 891 this.editorContainer.clear();
+ 892 this.editorContainer.addChild(this.editor);
+ 893 this.ui.setFocus(this.editor);
+ 894 };
+ 895 const { component, focus } = create(done);
901 this.editorContainer.clear();
- 902 this.editorContainer.addChild(this.thinkingSelector);
- 903 this.ui.setFocus(this.thinkingSelector.getSelectList());
+ 897 this.editorContainer.addChild(component);
+ 898 this.ui.setFocus(focus);
904 this.ui.requestRender();
905 }
906
- 907 private hideThinkingSelector(): void {
- 908 this.editorContainer.clear();
- 909 this.editorContainer.addChild(this.editor);
- 910 this.thinkingSelector = null;
- 911 this.ui.setFocus(this.editor);
+ 902 private showThinkingSelector(): void {
+ 903 this.showSelector((done) => {
+ 904 const selector = new ThinkingSelectorComponent(
+ 905 this.session.thinkingLevel,
+ 906 (level) => {
+ 907 this.session.setThinkingLevel(level);
+ 908 this.updateEditorBorderColor();
+ 909 this.chatContainer.addChild(new Spacer(1));
+ 910 this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking level: ${level}`), 1, 0));
+ 911 done();
+ 912 this.ui.requestRender();
+ 913 },
+ 914 () => {
+ 915 done();
+ 916 this.ui.requestRender();
+ 917 },
+ 918 );
+ 919 return { component: selector, focus: selector.getSelectList() };
+ 920 });
912 }
913
914 private showQueueModeSelector(): void {
- 915 this.queueModeSelector = new QueueModeSelectorComponent(
- 916 this.session.queueMode,
- 917 (mode) => {
- 918 this.session.setQueueMode(mode);
- 919 this.chatContainer.addChild(new Spacer(1));
- 920 this.chatContainer.addChild(new Text(theme.fg("dim", `Queue mode: ${mode}`), 1, 0));
- 921 this.hideQueueModeSelector();
- 922 this.ui.requestRender();
- 923 },
- 924 () => {
- 925 this.hideQueueModeSelector();
- 926 this.ui.requestRender();
- 927 },
- 928 );
- 929 this.editorContainer.clear();
- 930 this.editorContainer.addChild(this.queueModeSelector);
- 931 this.ui.setFocus(this.queueModeSelector.getSelectList());
- 932 this.ui.requestRender();
+ 924 this.showSelector((done) => {
+ 925 const selector = new QueueModeSelectorComponent(
+ 926 this.session.queueMode,
+ 927 (mode) => {
+ 928 this.session.setQueueMode(mode);
+ 929 this.chatContainer.addChild(new Spacer(1));
+ 930 this.chatContainer.addChild(new Text(theme.fg("dim", `Queue mode: ${mode}`), 1, 0));
+ 931 done();
+ 932 this.ui.requestRender();
+ 933 },
+ 934 () => {
+ 935 done();
+ 936 this.ui.requestRender();
+ 937 },
+ 938 );
+ 939 return { component: selector, focus: selector.getSelectList() };
+ 940 });
933 }
934
- 935 private hideQueueModeSelector(): void {
- 936 this.editorContainer.clear();
- 937 this.editorContainer.addChild(this.editor);
- 938 this.queueModeSelector = null;
- 939 this.ui.setFocus(this.editor);
- 940 }
- 941
942 private showThemeSelector(): void {
943 const currentTheme = this.settingsManager.getTheme() || "dark";
- 944 this.themeSelector = new ThemeSelectorComponent(
- 945 currentTheme,
- 946 (themeName) => {
- 947 const result = setTheme(themeName);
- 948 this.settingsManager.setTheme(themeName);
- 949 this.ui.invalidate();
- 950 this.chatContainer.addChild(new Spacer(1));
- 951 if (result.success) {
- 952 this.chatContainer.addChild(new Text(theme.fg("dim", `Theme: ${themeName}`), 1, 0));
- 953 } else {
- 954 this.chatContainer.addChild(
- 955 new Text(
- 956 theme.fg(
- 957 "error",
- 958 `Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`,
- 959 ),
- 960 1,
- 961 0,
- 962 ),
- 963 );
- 964 }
- 965 this.hideThemeSelector();
- 966 this.ui.requestRender();
- 967 },
- 968 () => {
- 969 this.hideThemeSelector();
- 970 this.ui.requestRender();
- 971 },
- 972 (themeName) => {
- 973 const result = setTheme(themeName);
- 974 if (result.success) {
+ 945 this.showSelector((done) => {
+ 946 const selector = new ThemeSelectorComponent(
+ 947 currentTheme,
+ 948 (themeName) => {
+ 949 const result = setTheme(themeName);
+ 950 this.settingsManager.setTheme(themeName);
975 this.ui.invalidate();
+ 952 this.chatContainer.addChild(new Spacer(1));
+ 953 if (result.success) {
+ 954 this.chatContainer.addChild(new Text(theme.fg("dim", `Theme: ${themeName}`), 1, 0));
+ 955 } else {
+ 956 this.chatContainer.addChild(
+ 957 new Text(
+ 958 theme.fg(
+ 959 "error",
+ 960 `Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`,
+ 961 ),
+ 962 1,
+ 963 0,
+ 964 ),
+ 965 );
+ 966 }
+ 967 done();
976 this.ui.requestRender();
- 977 }
- 978 },
- 979 );
- 980 this.editorContainer.clear();
- 981 this.editorContainer.addChild(this.themeSelector);
- 982 this.ui.setFocus(this.themeSelector.getSelectList());
- 983 this.ui.requestRender();
+ 969 },
+ 970 () => {
+ 971 done();
+ 972 this.ui.requestRender();
+ 973 },
+ 974 (themeName) => {
+ 975 const result = setTheme(themeName);
+ 976 if (result.success) {
+ 977 this.ui.invalidate();
+ 978 this.ui.requestRender();
+ 979 }
+ 980 },
+ 981 );
+ 982 return { component: selector, focus: selector.getSelectList() };
+ 983 });
984 }
985
- 986 private hideThemeSelector(): void {
- 987 this.editorContainer.clear();
- 988 this.editorContainer.addChild(this.editor);
- 989 this.themeSelector = null;
- 990 this.ui.setFocus(this.editor);
- 991 }
- 992
993 private showModelSelector(): void {
- 994 this.modelSelector = new ModelSelectorComponent(
- 995 this.ui,
- 996 this.session.model,
- 997 this.settingsManager,
- 998 (model) => {
- 999 this.agent.setModel(model);
-1000 this.sessionManager.saveModelChange(model.provider, model.id);
-1001 this.chatContainer.addChild(new Spacer(1));
-1002 this.chatContainer.addChild(new Text(theme.fg("dim", `Model: ${model.id}`), 1, 0));
-1003 this.hideModelSelector();
-1004 this.ui.requestRender();
-1005 },
-1006 () => {
-1007 this.hideModelSelector();
-1008 this.ui.requestRender();
-1009 },
-1010 );
-1011 this.editorContainer.clear();
-1012 this.editorContainer.addChild(this.modelSelector);
-1013 this.ui.setFocus(this.modelSelector);
-1014 this.ui.requestRender();
+ 987 this.showSelector((done) => {
+ 988 const selector = new ModelSelectorComponent(
+ 989 this.ui,
+ 990 this.session.model,
+ 991 this.settingsManager,
+ 992 (model) => {
+ 993 this.agent.setModel(model);
+ 994 this.sessionManager.saveModelChange(model.provider, model.id);
+ 995 this.chatContainer.addChild(new Spacer(1));
+ 996 this.chatContainer.addChild(new Text(theme.fg("dim", `Model: ${model.id}`), 1, 0));
+ 997 done();
+ 998 this.ui.requestRender();
+ 999 },
+1000 () => {
+1001 done();
+1002 this.ui.requestRender();
+1003 },
+1004 );
+1005 return { component: selector, focus: selector };
+1006 });
1015 }
1016
-1017 private hideModelSelector(): void {
-1018 this.editorContainer.clear();
-1019 this.editorContainer.addChild(this.editor);
-1020 this.modelSelector = null;
-1021 this.ui.setFocus(this.editor);
-1022 }
-1023
1024 private showUserMessageSelector(): void {
1025 const userMessages = this.session.getUserMessagesForBranching();
1026
1027 if (userMessages.length <= 1) {
1028 this.chatContainer.addChild(new Spacer(1));
1029 this.chatContainer.addChild(new Text(theme.fg("dim", "No messages to branch from"), 1, 0));
1030 this.ui.requestRender();
1031 return;
1032 }
1033
-1034 this.userMessageSelector = new UserMessageSelectorComponent(
-1035 userMessages.map((m) => ({ index: m.entryIndex, text: m.text })),
-1036 (entryIndex) => {
-1037 const selectedText = this.session.branch(entryIndex);
-1038 this.chatContainer.clear();
-1039 this.isFirstUserMessage = true;
-1040 this.renderInitialMessages(this.session.state);
-1041 this.chatContainer.addChild(new Spacer(1));
-1042 this.chatContainer.addChild(new Text(theme.fg("dim", "Branched to new session"), 1, 0));
-1043 this.editor.setText(selectedText);
-1044 this.hideUserMessageSelector();
-1045 this.ui.requestRender();
-1046 },
-1047 () => {
-1048 this.hideUserMessageSelector();
-1049 this.ui.requestRender();
-1050 },
-1051 );
-1052 this.editorContainer.clear();
-1053 this.editorContainer.addChild(this.userMessageSelector);
-1054 this.ui.setFocus(this.userMessageSelector.getMessageList());
-1055 this.ui.requestRender();
+1019 this.showSelector((done) => {
+1020 const selector = new UserMessageSelectorComponent(
+1021 userMessages.map((m) => ({ index: m.entryIndex, text: m.text })),
+1022 (entryIndex) => {
+1023 const selectedText = this.session.branch(entryIndex);
+1024 this.chatContainer.clear();
+1025 this.isFirstUserMessage = true;
+1026 this.renderInitialMessages(this.session.state);
+1027 this.chatContainer.addChild(new Spacer(1));
+1028 this.chatContainer.addChild(new Text(theme.fg("dim", "Branched to new session"), 1, 0));
+1029 this.editor.setText(selectedText);
+1030 done();
+1031 this.ui.requestRender();
+1032 },
+1033 () => {
+1034 done();
+1035 this.ui.requestRender();
+1036 },
+1037 );
+1038 return { component: selector, focus: selector.getMessageList() };
+1039 });
1056 }
1057
-1058 private hideUserMessageSelector(): void {
-1059 this.editorContainer.clear();
-1060 this.editorContainer.addChild(this.editor);
-1061 this.userMessageSelector = null;
-1062 this.ui.setFocus(this.editor);
-1063 }
-1064
1065 private showSessionSelector(): void {
-1066 this.sessionSelector = new SessionSelectorComponent(
-1067 this.sessionManager,
-1068 async (sessionPath) => {
-1069 this.hideSessionSelector();
-1070 await this.handleResumeSession(sessionPath);
-1071 },
-1072 () => {
-1073 this.hideSessionSelector();
-1074 this.ui.requestRender();
-1075 },
-1076 );
-1077 this.editorContainer.clear();
-1078 this.editorContainer.addChild(this.sessionSelector);
-1079 this.ui.setFocus(this.sessionSelector.getSessionList());
-1080 this.ui.requestRender();
+1043 this.showSelector((done) => {
+1044 const selector = new SessionSelectorComponent(
+1045 this.sessionManager,
+1046 async (sessionPath) => {
+1047 done();
+1048 await this.handleResumeSession(sessionPath);
+1049 },
+1050 () => {
+1051 done();
+1052 this.ui.requestRender();
+1053 },
+1054 );
+1055 return { component: selector, focus: selector.getSessionList() };
+1056 });
1081 }
1082
1083 private async handleResumeSession(sessionPath: string): Promise<void> {
1084 // Stop loading animation
1085 if (this.loadingAnimation) {
1086 this.loadingAnimation.stop();
1087 this.loadingAnimation = null;
1088 }
1089 this.statusContainer.clear();
1090
1091 // Clear UI state
1092 this.pendingMessagesContainer.clear();
1093 this.streamingComponent = null;
1094 this.pendingTools.clear();
1095
1096 // Switch session via AgentSession
1097 await this.session.switchSession(sessionPath);
1098
1099 // Clear and re-render the chat
1100 this.chatContainer.clear();
1101 this.isFirstUserMessage = true;
1102 this.renderInitialMessages(this.session.state);
1103
1104 this.chatContainer.addChild(new Spacer(1));
1105 this.chatContainer.addChild(new Text(theme.fg("dim", "Resumed session"), 1, 0));
1106 this.ui.requestRender();
1107 }
1108
-1109 private hideSessionSelector(): void {
-1110 this.editorContainer.clear();
-1111 this.editorContainer.addChild(this.editor);
-1112 this.sessionSelector = null;
-1113 this.ui.setFocus(this.editor);
-1114 }
-1115
1116 private async showOAuthSelector(mode: "login" | "logout"): Promise<void> {
1117 if (mode === "logout") {
1118 const loggedInProviders = listOAuthProviders();
1119 if (loggedInProviders.length === 0) {
1120 this.chatContainer.addChild(new Spacer(1));
1121 this.chatContainer.addChild(
1122 new Text(theme.fg("dim", "No OAuth providers logged in. Use /login first."), 1, 0),
1123 );
1124 this.ui.requestRender();
1125 return;
1126 }
1127 }
1128
-1129 this.oauthSelector = new OAuthSelectorComponent(
-1130 mode,
-1131 async (providerId: string) => {
-1132 this.hideOAuthSelector();
+1098 this.showSelector((done) => {
+1099 const selector = new OAuthSelectorComponent(
+1100 mode,
+1101 async (providerId: string) => {
+1102 done();
1133
-1134 if (mode === "login") {
-1135 this.chatContainer.addChild(new Spacer(1));
-1136 this.chatContainer.addChild(new Text(theme.fg("dim", `Logging in to ${providerId}...`), 1, 0));
-1137 this.ui.requestRender();
+1104 if (mode === "login") {
+1105 this.chatContainer.addChild(new Spacer(1));
+1106 this.chatContainer.addChild(new Text(theme.fg("dim", `Logging in to ${providerId}...`), 1, 0));
+1107 this.ui.requestRender();
1138
-1139 try {
-1140 await login(
-1141 providerId as SupportedOAuthProvider,
-1142 (url: string) => {
-1143 this.chatContainer.addChild(new Spacer(1));
-1144 this.chatContainer.addChild(new Text(theme.fg("accent", "Opening browser to:"), 1, 0));
-1145 this.chatContainer.addChild(new Text(theme.fg("accent", url), 1, 0));
-1146 this.chatContainer.addChild(new Spacer(1));
-1147 this.chatContainer.addChild(
-1148 new Text(theme.fg("warning", "Paste the authorization code below:"), 1, 0),
-1149 );
-1150 this.ui.requestRender();
+1109 try {
+1110 await login(
+1111 providerId as SupportedOAuthProvider,
+1112 (url: string) => {
+1113 this.chatContainer.addChild(new Spacer(1));
+1114 this.chatContainer.addChild(new Text(theme.fg("accent", "Opening browser to:"), 1, 0));
+1115 this.chatContainer.addChild(new Text(theme.fg("accent", url), 1, 0));
+1116 this.chatContainer.addChild(new Spacer(1));
+1117 this.chatContainer.addChild(
+1118 new Text(theme.fg("warning", "Paste the authorization code below:"), 1, 0),
+1119 );
+1120 this.ui.requestRender();
1151
-1152 const openCmd =
-1153 process.platform === "darwin" ? "open" : process.platform === "win32" ? "start" : "xdg-open";
-1154 exec(`${openCmd} "${url}"`);
-1155 },
-1156 async () => {
-1157 return new Promise<string>((resolve) => {
-1158 const codeInput = new Input();
-1159 codeInput.onSubmit = () => {
-1160 const code = codeInput.getValue();
+1122 const openCmd =
+1123 process.platform === "darwin" ? "open" : process.platform === "win32" ? "start" : "xdg-open";
+1124 exec(`${openCmd} "${url}"`);
+1125 },
+1126 async () => {
+1127 return new Promise<string>((resolve) => {
+1128 const codeInput = new Input();
+1129 codeInput.onSubmit = () => {
+1130 const code = codeInput.getValue();
+1131 this.editorContainer.clear();
+1132 this.editorContainer.addChild(this.editor);
+1133 this.ui.setFocus(this.editor);
+1134 resolve(code);
+1135 };
1161 this.editorContainer.clear();
-1162 this.editorContainer.addChild(this.editor);
-1163 this.ui.setFocus(this.editor);
-1164 resolve(code);
-1165 };
-1166 this.editorContainer.clear();
-1167 this.editorContainer.addChild(codeInput);
-1168 this.ui.setFocus(codeInput);
-1169 this.ui.requestRender();
-1170 });
-1171 },
-1172 );
+1137 this.editorContainer.addChild(codeInput);
+1138 this.ui.setFocus(codeInput);
+1139 this.ui.requestRender();
+1140 });
+1141 },
+1142 );
1173
-1174 invalidateOAuthCache();
-1175 this.chatContainer.addChild(new Spacer(1));
-1176 this.chatContainer.addChild(
-1177 new Text(theme.fg("success", `✓ Successfully logged in to ${providerId}`), 1, 0),
-1178 );
-1179 this.chatContainer.addChild(new Text(theme.fg("dim", `Tokens saved to ${getOAuthPath()}`), 1, 0));
-1180 this.ui.requestRender();
-1181 } catch (error: unknown) {
-1182 this.showError(`Login failed: ${error instanceof Error ? error.message : String(error)}`);
+1144 invalidateOAuthCache();
+1145 this.chatContainer.addChild(new Spacer(1));
+1146 this.chatContainer.addChild(
+1147 new Text(theme.fg("success", `✓ Successfully logged in to ${providerId}`), 1, 0),
+1148 );
+1149 this.chatContainer.addChild(new Text(theme.fg("dim", `Tokens saved to ${getOAuthPath()}`), 1, 0));
+1150 this.ui.requestRender();
+1151 } catch (error: unknown) {
+1152 this.showError(`Login failed: ${error instanceof Error ? error.message : String(error)}`);
+1153 }
+1154 } else {
+1155 try {
+1156 await logout(providerId as SupportedOAuthProvider);
+1157 invalidateOAuthCache();
+1158 this.chatContainer.addChild(new Spacer(1));
+1159 this.chatContainer.addChild(
+1160 new Text(theme.fg("success", `✓ Successfully logged out of ${providerId}`), 1, 0),
+1161 );
+1162 this.chatContainer.addChild(
+1163 new Text(theme.fg("dim", `Credentials removed from ${getOAuthPath()}`), 1, 0),
+1164 );
+1165 this.ui.requestRender();
+1166 } catch (error: unknown) {
+1167 this.showError(`Logout failed: ${error instanceof Error ? error.message : String(error)}`);
+1168 }
1183 }
-1184 } else {
-1185 try {
-1186 await logout(providerId as SupportedOAuthProvider);
-1187 invalidateOAuthCache();
-1188 this.chatContainer.addChild(new Spacer(1));
-1189 this.chatContainer.addChild(
-1190 new Text(theme.fg("success", `✓ Successfully logged out of ${providerId}`), 1, 0),
-1191 );
-1192 this.chatContainer.addChild(
-1193 new Text(theme.fg("dim", `Credentials removed from ${getOAuthPath()}`), 1, 0),
-1194 );
-1195 this.ui.requestRender();
-1196 } catch (error: unknown) {
-1197 this.showError(`Logout failed: ${error instanceof Error ? error.message : String(error)}`);
-1198 }
-1199 }
-1200 },
-1201 () => {
-1202 this.hideOAuthSelector();
-1203 this.ui.requestRender();
-1204 },
-1205 );
-1206
-1207 this.editorContainer.clear();
-1208 this.editorContainer.addChild(this.oauthSelector);
-1209 this.ui.setFocus(this.oauthSelector);
-1210 this.ui.requestRender();
+1170 },
+1171 () => {
+1172 done();
+1173 this.ui.requestRender();
+1174 },
+1175 );
+1176 return { component: selector, focus: selector };
+1177 });
1211 }
1212
-1213 private hideOAuthSelector(): void {
-1214 this.editorContainer.clear();
-1215 this.editorContainer.addChild(this.editor);
-1216 this.oauthSelector = null;
-1217 this.ui.setFocus(this.editor);
-1218 }
-1219
1220 // =========================================================================
1221 // Command handlers
1222 // =========================================================================
1223
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 10492 characters to 9180 characters.
01:04:15 AM
Now I need to add the Component import since showSelector uses it in the type signature:
$ grep -n "from \"@mariozechner/pi-tui\"" /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
10:import type { SlashCommand } from "@mariozechner/pi-tui";
23:} from "@mariozechner/pi-tui";
01:04:20 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:04:25 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
9 import type { AssistantMessage, Message } from "@mariozechner/pi-ai";
10 import type { SlashCommand } from "@mariozechner/pi-tui";
11 import {
12 CombinedAutocompleteProvider,
+ 13 type Component,
13 Container,
14 Input,
15 Loader,
16 Markdown,
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 181 characters to 198 characters.
01:04:30 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | grep -E "(error|warning)" | head -20
(no output)
01:04:41 AM
Let me verify the full check passes:
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | tail -10
01:04:51 AM
All clean. Let me commit:
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "Refactor selectors: replace show/hide pairs with single showSelector helper"
01:05:01 AM
Saved ~44 lines. Removed 7 hide methods and 7 selector member variables, replaced with one `showSelector` helper. Much cleaner.
01:07:30 AM
ok, read the @packages/coding-agent/src/modes/interactive/interactive-mode.ts file in full please and tell me if there are any other htings we can make more concise/de-duplicate
01:07:30 AM
The user wants me to read the full interactive-mode.ts file and look for more opportunities to de-duplicate or make more concise.
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:07:33 AM
Here are the duplication/conciseness opportunities I see:

1. **`renderInitialMessages` and `rebuildChatFromMessages` are nearly identical** (~60 lines each). They both iterate messages, handle compaction, user messages, assistant messages, tool calls. Only differences: `renderInitialMessages` takes state param and populates editor history, `rebuildChatFromMessages` uses `this.session.messages`.

2. **Slash command handling in `setupEditorSubmitHandler`** has repetitive pattern:
```typescript
if (text === "/foo") {
this.handleFoo();
this.editor.setText("");
return;
}
```
Could use a command map.

3. **`addMessageToChat`** extracts text content from user messages with the same pattern used in `renderInitialMessages` and `rebuildChatFromMessages`. This text extraction logic appears 4+ times:
```typescript
const textBlocks = typeof message.content === "string"
? [{ type: "text", text: message.content }]
: message.content.filter((c) => c.type === "text");
const textContent = textBlocks.map((c) => c.text).join("");
```

4. **Status messages** follow pattern: `this.chatContainer.addChild(new Spacer(1))` + `this.chatContainer.addChild(new Text(theme.fg("dim", message), 1, 0))` + `this.ui.requestRender()`. Could be `this.showStatus(message)`.

5. **OAuth login/logout in `showOAuthSelector`** has a lot of nested code that could be extracted into separate methods.

The biggest win would be #1 (consolidating the two message rendering methods). Want me to tackle these?
01:08:20 AM
Switched to model: anthropic/claude-3-opus-20240229
01:08:21 AM
Switched to model: anthropic/claude-opus-4-5-20251101
01:08:21 AM
Switched to model: anthropic/claude-sonnet-4-5
01:08:26 AM
Switched to model: anthropic/claude-sonnet-4-5-20250929
01:08:31 AM
Switched to model: anthropic/claude-opus-4-5
01:08:49 AM
are we all commited? if yes, do it, if not commit first
01:08:49 AM
Let me check if we have uncommitted changes first.
$ cd /Users/badlogic/workspaces/pi-mono && git status
On branch refactor
nothing to commit, working tree clean
01:08:53 AM
All clean. Let me tackle these refactors:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:08:56 AM
Let me start with the refactors. First, I'll add helper methods and consolidate the duplicate code:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:09:00 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:09:04 AM
Now I understand the full picture. Let me do the refactoring:

1. Add `getUserMessageText()` helper
2. Add `showStatus()` helper
3. Consolidate `renderInitialMessages` and `rebuildChatFromMessages` into one method
4. Create a command map for slash commands
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
551 break;
552 }
553 }
554
+ 555 /** Extract text content from a user message */
+ 556 private getUserMessageText(message: Message): string {
+ 557 if (message.role !== "user") return "";
+ 558 const textBlocks =
+ 559 typeof message.content === "string"
+ 560 ? [{ type: "text", text: message.content }]
+ 561 : message.content.filter((c: { type: string }) => c.type === "text");
+ 562 return textBlocks.map((c) => (c as { text: string }).text).join("");
+ 563 }
+ 564
+ 565 /** Show a status message in the chat */
+ 566 private showStatus(message: string): void {
+ 567 this.chatContainer.addChild(new Spacer(1));
+ 568 this.chatContainer.addChild(new Text(theme.fg("dim", message), 1, 0));
+ 569 this.ui.requestRender();
+ 570 }
+ 571
555 private addMessageToChat(message: Message | AppMessage): void {
556 if (isBashExecutionMessage(message)) {
557 const component = new BashExecutionComponent(message.command, this.ui);
558 if (message.output) {
559 component.appendOutput(message.output);
560 }
561 component.setComplete(
562 message.exitCode,
563 message.cancelled,
564 message.truncated ? ({ truncated: true } as TruncationResult) : undefined,
565 message.fullOutputPath,
566 );
567 this.chatContainer.addChild(component);
568 return;
569 }
570
571 if (message.role === "user") {
- 572 const textBlocks =
- 573 typeof message.content === "string"
- 574 ? [{ type: "text", text: message.content }]
- 575 : message.content.filter((c: { type: string }) => c.type === "text");
- 576 const textContent = textBlocks.map((c) => (c as { text: string }).text).join("");
+ 589 const textContent = this.getUserMessageText(message);
577 if (textContent) {
578 const userComponent = new UserMessageComponent(textContent, this.isFirstUserMessage);
579 this.chatContainer.addChild(userComponent);
580 this.isFirstUserMessage = false;
581 }
582 } else if (message.role === "assistant") {
583 const assistantComponent = new AssistantMessageComponent(message as AssistantMessage, this.hideThinkingBlock);
584 this.chatContainer.addChild(assistantComponent);
585 }
586 }
587
- 588 renderInitialMessages(state: AgentState): void {
+ 601 /**
+ 602 * Render messages to chat. Used for initial load and rebuild after compaction.
+ 603 * @param messages Messages to render
+ 604 * @param options.updateFooter Update footer state
+ 605 * @param options.populateHistory Add user messages to editor history
+ 606 */
+ 607 private renderMessages(
+ 608 messages: readonly (Message | AppMessage)[],
+ 609 options: { updateFooter?: boolean; populateHistory?: boolean } = {},
+ 610 ): void {
589 this.isFirstUserMessage = true;
- 590 this.footer.updateState(state);
- 591 this.updateEditorBorderColor();
+ 612 this.pendingTools.clear();
592
+ 614 if (options.updateFooter) {
+ 615 this.footer.updateState(this.session.state);
+ 616 this.updateEditorBorderColor();
+ 617 }
+ 618
593 const compactionEntry = getLatestCompactionEntry(this.sessionManager.loadEntries());
594
- 595 for (const message of state.messages) {
+ 621 for (const message of messages) {
596 if (isBashExecutionMessage(message)) {
597 this.addMessageToChat(message);
598 continue;
599 }
600
601 if (message.role === "user") {
- 602 const textBlocks =
- 603 typeof message.content === "string"
- 604 ? [{ type: "text", text: message.content }]
- 605 : message.content.filter((c: { type: string }) => c.type === "text");
- 606 const textContent = textBlocks.map((c) => (c as { text: string }).text).join("");
+ 628 const textContent = this.getUserMessageText(message);
607 if (textContent) {
608 if (textContent.startsWith(SUMMARY_PREFIX) && compactionEntry) {
609 const summary = textContent.slice(SUMMARY_PREFIX.length, -SUMMARY_SUFFIX.length);
610 const component = new CompactionComponent(compactionEntry.tokensBefore, summary);
611 component.setExpanded(this.toolOutputExpanded);
612 this.chatContainer.addChild(component);
613 } else {
614 const userComponent = new UserMessageComponent(textContent, this.isFirstUserMessage);
615 this.chatContainer.addChild(userComponent);
616 this.isFirstUserMessage = false;
+ 639 if (options.populateHistory) {
+ 640 this.editor.addToHistory(textContent);
+ 641 }
617 }
618 }
619 } else if (message.role === "assistant") {
620 const assistantMsg = message as AssistantMessage;
621 const assistantComponent = new AssistantMessageComponent(assistantMsg, this.hideThinkingBlock);
622 this.chatContainer.addChild(assistantComponent);
623
624 for (const content of assistantMsg.content) {
625 if (content.type === "toolCall") {
626 const component = new ToolExecutionComponent(content.name, content.arguments);
627 this.chatContainer.addChild(component);
628
629 if (assistantMsg.stopReason === "aborted" || assistantMsg.stopReason === "error") {
630 const errorMessage =
631 assistantMsg.stopReason === "aborted"
632 ? "Operation aborted"
633 : assistantMsg.errorMessage || "Error";
634 component.updateResult({ content: [{ type: "text", text: errorMessage }], isError: true });
635 } else {
636 this.pendingTools.set(content.id, component);
637 }
638 }
639 }
640 } else if (message.role === "toolResult") {
641 const component = this.pendingTools.get(message.toolCallId);
642 if (component) {
643 component.updateResult({
644 content: message.content,
645 details: message.details,
646 isError: message.isError,
647 });
648 this.pendingTools.delete(message.toolCallId);
649 }
650 }
651 }
652 this.pendingTools.clear();
- 653
- 654 // Populate editor history
- 655 for (const message of state.messages) {
- 656 if (message.role === "user") {
- 657 const textBlocks =
- 658 typeof message.content === "string"
- 659 ? [{ type: "text", text: message.content }]
- 660 : message.content.filter((c: { type: string }) => c.type === "text");
- 661 const textContent = textBlocks.map((c) => (c as { text: string }).text).join("");
- 662 if (textContent && !textContent.startsWith(SUMMARY_PREFIX)) {
- 663 this.editor.addToHistory(textContent);
- 664 }
- 665 }
- 666 }
- 667
668 this.ui.requestRender();
669 }
670
+ 681 renderInitialMessages(state: AgentState): void {
+ 682 this.renderMessages(state.messages, { updateFooter: true, populateHistory: true });
+ 683 }
+ 684
671 async getUserInput(): Promise<string> {
672 return new Promise((resolve) => {
673 this.onInputCallback = (text: string) => {
674 this.onInputCallback = undefined;
675 resolve(text);
676 };
677 });
678 }
679
680 private rebuildChatFromMessages(): void {
- 681 this.isFirstUserMessage = true;
- 682 this.pendingTools.clear();
- 683
- 684 const compactionEntry = getLatestCompactionEntry(this.sessionManager.loadEntries());
- 685
- 686 for (const message of this.session.messages) {
- 687 if (isBashExecutionMessage(message)) {
- 688 this.addMessageToChat(message);
- 689 continue;
- 690 }
- 691
- 692 if (message.role === "user") {
- 693 const textBlocks =
- 694 typeof message.content === "string"
- 695 ? [{ type: "text", text: message.content }]
- 696 : message.content.filter((c: { type: string }) => c.type === "text");
- 697 const textContent = textBlocks.map((c) => (c as { text: string }).text).join("");
- 698 if (textContent) {
- 699 if (textContent.startsWith(SUMMARY_PREFIX) && compactionEntry) {
- 700 const summary = textContent.slice(SUMMARY_PREFIX.length, -SUMMARY_SUFFIX.length);
- 701 const component = new CompactionComponent(compactionEntry.tokensBefore, summary);
- 702 component.setExpanded(this.toolOutputExpanded);
- 703 this.chatContainer.addChild(component);
- 704 } else {
- 705 const userComponent = new UserMessageComponent(textContent, this.isFirstUserMessage);
- 706 this.chatContainer.addChild(userComponent);
- 707 this.isFirstUserMessage = false;
- 708 }
- 709 }
- 710 } else if (message.role === "assistant") {
- 711 const assistantMsg = message as AssistantMessage;
- 712 const assistantComponent = new AssistantMessageComponent(assistantMsg, this.hideThinkingBlock);
- 713 this.chatContainer.addChild(assistantComponent);
- 714
- 715 for (const content of assistantMsg.content) {
- 716 if (content.type === "toolCall") {
- 717 const component = new ToolExecutionComponent(content.name, content.arguments);
- 718 this.chatContainer.addChild(component);
- 719 this.pendingTools.set(content.id, component);
- 720 }
- 721 }
- 722 } else if (message.role === "toolResult") {
- 723 const component = this.pendingTools.get(message.toolCallId);
- 724 if (component) {
- 725 component.updateResult({
- 726 content: message.content,
- 727 details: message.details,
- 728 isError: message.isError,
- 729 });
- 730 this.pendingTools.delete(message.toolCallId);
- 731 }
- 732 }
- 733 }
- 734
- 735 this.pendingTools.clear();
- 736 this.ui.requestRender();
+ 695 this.renderMessages(this.session.messages);
737 }
738
739 // =========================================================================
740 // Key handlers
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 6659 characters to 4950 characters.
01:09:50 AM
Now let's update places that use the pattern `this.chatContainer.addChild(new Spacer(1)); this.chatContainer.addChild(new Text(theme.fg("dim", ...` to use `showStatus`:
$ grep -n 'theme.fg("dim"' /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts | head -30
01:09:55 AM
Let me look at the pattern more carefully:
$ grep -B1 'theme.fg("dim"' /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts | grep -A1 "Spacer(1)" | head -40
01:09:58 AM
Now let me replace all these with `showStatus()`. I'll be careful to only replace the pattern where both Spacer and theme.fg("dim",...) are used together:
$ cd /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive && sed -i '' 's/this.chatContainer.addChild(new Spacer(1));\n\t\t\tthis.chatContainer.addChild(new Text(theme.fg("dim", /this.showStatus(/g' interactive-mode.ts
(no output)
01:10:02 AM
That won't work due to newlines. Let me do it more carefully with targeted replacements:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:10:06 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
722
723 private cycleThinkingLevel(): void {
724 const newLevel = this.session.cycleThinkingLevel();
725 if (newLevel === null) {
- 726 this.chatContainer.addChild(new Spacer(1));
- 727 this.chatContainer.addChild(new Text(theme.fg("dim", "Current model does not support thinking"), 1, 0));
+ 726 this.showStatus("Current model does not support thinking");
728 } else {
729 this.updateEditorBorderColor();
- 730 this.chatContainer.addChild(new Spacer(1));
- 731 this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking level: ${newLevel}`), 1, 0));
+ 729 this.showStatus(`Thinking level: ${newLevel}`);
732 }
- 733 this.ui.requestRender();
734 }
735
736 private async cycleModel(): Promise<void> {
737 try {
738 const result = await this.session.cycleModel();
739 if (result === null) {
- 740 this.chatContainer.addChild(new Spacer(1));
741 const msg = this.session.scopedModels.length > 0 ? "Only one model in scope" : "Only one model available";
- 742 this.chatContainer.addChild(new Text(theme.fg("dim", msg), 1, 0));
+ 738 this.showStatus(msg);
743 } else {
744 this.updateEditorBorderColor();
- 745 this.chatContainer.addChild(new Spacer(1));
746 const thinkingStr =
747 result.model.reasoning && result.thinkingLevel !== "off" ? ` (thinking: ${result.thinkingLevel})` : "";
- 748 this.chatContainer.addChild(
- 749 new Text(theme.fg("dim", `Switched to ${result.model.name || result.model.id}${thinkingStr}`), 1, 0),
- 750 );
+ 743 this.showStatus(`Switched to ${result.model.name || result.model.id}${thinkingStr}`);
751 }
752 } catch (error) {
753 this.showError(error instanceof Error ? error.message : String(error));
754 }
- 755 this.ui.requestRender();
756 }
757
758 private toggleToolOutputExpansion(): void {
759 this.toolOutputExpanded = !this.toolOutputExpanded;
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 1367 characters to 931 characters.
01:10:17 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:10:20 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
772 }
773
774 this.chatContainer.clear();
775 this.rebuildChatFromMessages();
- 776
- 777 const status = this.hideThinkingBlock ? "hidden" : "visible";
- 778 this.chatContainer.addChild(new Spacer(1));
- 779 this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking blocks: ${status}`), 1, 0));
- 780 this.ui.requestRender();
+ 776 this.showStatus(`Thinking blocks: ${this.hideThinkingBlock ? "hidden" : "visible"}`);
781 }
782
783 // =========================================================================
784 // UI helpers
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 641 characters to 497 characters.
01:10:27 AM
Now let me find and replace more instances in the selectors:
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:10:31 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
853 this.session.thinkingLevel,
854 (level) => {
855 this.session.setThinkingLevel(level);
856 this.updateEditorBorderColor();
- 857 this.chatContainer.addChild(new Spacer(1));
- 858 this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking level: ${level}`), 1, 0));
859 done();
- 860 this.ui.requestRender();
+ 858 this.showStatus(`Thinking level: ${level}`);
861 },
862 () => {
863 done();
864 this.ui.requestRender();
865 },
866 );
867 return { component: selector, focus: selector.getSelectList() };
868 });
869 }
870
871 private showQueueModeSelector(): void {
872 this.showSelector((done) => {
873 const selector = new QueueModeSelectorComponent(
874 this.session.queueMode,
875 (mode) => {
876 this.session.setQueueMode(mode);
- 877 this.chatContainer.addChild(new Spacer(1));
- 878 this.chatContainer.addChild(new Text(theme.fg("dim", `Queue mode: ${mode}`), 1, 0));
879 done();
- 880 this.ui.requestRender();
+ 876 this.showStatus(`Queue mode: ${mode}`);
881 },
882 () => {
883 done();
884 this.ui.requestRender();
885 },
886 );
887 return { component: selector, focus: selector.getSelectList() };
888 });
889 }
890
891 private showThemeSelector(): void {
892 const currentTheme = this.settingsManager.getTheme() || "dark";
893 this.showSelector((done) => {
894 const selector = new ThemeSelectorComponent(
895 currentTheme,
896 (themeName) => {
897 const result = setTheme(themeName);
898 this.settingsManager.setTheme(themeName);
899 this.ui.invalidate();
- 900 this.chatContainer.addChild(new Spacer(1));
+ 896 done();
901 if (result.success) {
- 902 this.chatContainer.addChild(new Text(theme.fg("dim", `Theme: ${themeName}`), 1, 0));
+ 898 this.showStatus(`Theme: ${themeName}`);
903 } else {
- 904 this.chatContainer.addChild(
- 905 new Text(
- 906 theme.fg(
- 907 "error",
- 908 `Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`,
- 909 ),
- 910 1,
- 911 0,
- 912 ),
- 913 );
+ 900 this.showError(`Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`);
914 }
- 915 done();
- 916 this.ui.requestRender();
917 },
918 () => {
919 done();
920 this.ui.requestRender();
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 2246 characters to 1747 characters.
01:10:48 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:10:53 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
924 this.settingsManager,
925 (model) => {
926 this.agent.setModel(model);
927 this.sessionManager.saveModelChange(model.provider, model.id);
- 928 this.chatContainer.addChild(new Spacer(1));
- 929 this.chatContainer.addChild(new Text(theme.fg("dim", `Model: ${model.id}`), 1, 0));
930 done();
- 931 this.ui.requestRender();
+ 929 this.showStatus(`Model: ${model.id}`);
932 },
933 () => {
934 done();
935 this.ui.requestRender();
936 },
937 );
938 return { component: selector, focus: selector };
939 });
940 }
941
942 private showUserMessageSelector(): void {
943 const userMessages = this.session.getUserMessagesForBranching();
944
945 if (userMessages.length <= 1) {
- 946 this.chatContainer.addChild(new Spacer(1));
- 947 this.chatContainer.addChild(new Text(theme.fg("dim", "No messages to branch from"), 1, 0));
- 948 this.ui.requestRender();
+ 944 this.showStatus("No messages to branch from");
949 return;
950 }
951
952 this.showSelector((done) => {
953 const selector = new UserMessageSelectorComponent(
954 userMessages.map((m) => ({ index: m.entryIndex, text: m.text })),
955 (entryIndex) => {
956 const selectedText = this.session.branch(entryIndex);
957 this.chatContainer.clear();
958 this.isFirstUserMessage = true;
959 this.renderInitialMessages(this.session.state);
- 960 this.chatContainer.addChild(new Spacer(1));
- 961 this.chatContainer.addChild(new Text(theme.fg("dim", "Branched to new session"), 1, 0));
962 this.editor.setText(selectedText);
963 done();
- 964 this.ui.requestRender();
+ 958 this.showStatus("Branched to new session");
965 },
966 () => {
967 done();
968 this.ui.requestRender();
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 1685 characters to 1317 characters.
01:11:03 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:11:07 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
1002 // Clear and re-render the chat
1003 this.chatContainer.clear();
1004 this.isFirstUserMessage = true;
1005 this.renderInitialMessages(this.session.state);
-1006
-1007 this.chatContainer.addChild(new Spacer(1));
-1008 this.chatContainer.addChild(new Text(theme.fg("dim", "Resumed session"), 1, 0));
-1009 this.ui.requestRender();
+1006 this.showStatus("Resumed session");
1010 }
1011
1012 private async showOAuthSelector(mode: "login" | "logout"): Promise<void> {
1013 if (mode === "logout") {
1014 const loggedInProviders = listOAuthProviders();
1015 if (loggedInProviders.length === 0) {
-1016 this.chatContainer.addChild(new Spacer(1));
-1017 this.chatContainer.addChild(
-1018 new Text(theme.fg("dim", "No OAuth providers logged in. Use /login first."), 1, 0),
-1019 );
-1020 this.ui.requestRender();
+1013 this.showStatus("No OAuth providers logged in. Use /login first.");
1021 return;
1022 }
1023 }
1024
1025 this.showSelector((done) => {
1026 const selector = new OAuthSelectorComponent(
1027 mode,
1028 async (providerId: string) => {
1029 done();
1030
1031 if (mode === "login") {
-1032 this.chatContainer.addChild(new Spacer(1));
-1033 this.chatContainer.addChild(new Text(theme.fg("dim", `Logging in to ${providerId}...`), 1, 0));
-1034 this.ui.requestRender();
+1025 this.showStatus(`Logging in to ${providerId}...`);
1035
1036 try {
1037 await login(
1038 providerId as SupportedOAuthProvider,
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 1530 characters to 1151 characters.
01:11:16 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:11:19 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
1108 const outputPath = parts.length > 1 ? parts[1] : undefined;
1109
1110 try {
1111 const filePath = this.session.exportToHtml(outputPath);
-1112 this.chatContainer.addChild(new Spacer(1));
-1113 this.chatContainer.addChild(new Text(theme.fg("dim", `Session exported to: ${filePath}`), 1, 0));
-1114 this.ui.requestRender();
+1112 this.showStatus(`Session exported to: ${filePath}`);
1115 } catch (error: unknown) {
-1116 this.chatContainer.addChild(new Spacer(1));
-1117 this.chatContainer.addChild(
-1118 new Text(
-1119 theme.fg(
-1120 "error",
-1121 `Failed to export session: ${error instanceof Error ? error.message : "Unknown error"}`,
-1122 ),
-1123 1,
-1124 0,
-1125 ),
-1126 );
-1127 this.ui.requestRender();
+1114 this.showError(`Failed to export session: ${error instanceof Error ? error.message : "Unknown error"}`);
1128 }
1129 }
1130
1131 private handleCopyCommand(): void {
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 710 characters to 415 characters.
01:11:25 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:11:29 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
1123 }
1124
1125 try {
1126 copyToClipboard(text);
-1127 this.chatContainer.addChild(new Spacer(1));
-1128 this.chatContainer.addChild(new Text(theme.fg("dim", "Copied last agent message to clipboard"), 1, 0));
-1129 this.ui.requestRender();
+1127 this.showStatus("Copied last agent message to clipboard");
1130 } catch (error) {
1131 this.showError(error instanceof Error ? error.message : String(error));
1132 }
1133 }
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 490 characters to 370 characters.
01:11:34 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:11:37 AM
read ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:11:41 AM
edit ~/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
...
1288 private handleAutocompactCommand(): void {
1289 const newState = !this.session.autoCompactionEnabled;
1290 this.session.setAutoCompactionEnabled(newState);
1291 this.footer.setAutoCompactEnabled(newState);
-1292
-1293 this.chatContainer.addChild(new Spacer(1));
-1294 this.chatContainer.addChild(new Text(theme.fg("dim", `Auto-compaction: ${newState ? "on" : "off"}`), 1, 0));
-1295 this.ui.requestRender();
+1292 this.showStatus(`Auto-compaction: ${newState ? "on" : "off"}`);
1296 }
1297
1298 private async executeCompaction(customInstructions?: string, isAuto = false): Promise<void> {
1299 // Stop loading animation
...
Successfully replaced text in /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts. Changed 385 characters to 266 characters.
01:11:49 AM
Now let me check and run the tests:
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | grep -E "(error|warning)" | head -20
(no output)
01:12:00 AM
$ cd /Users/badlogic/workspaces/pi-mono && npm run check 2>&1 | tail -10
01:12:10 AM
Let me check how much we reduced:
$ wc -l /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
1362 /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
01:12:14 AM
Down from 1508 to 1362 lines (~146 lines saved). Let me commit:
$ cd /Users/badlogic/workspaces/pi-mono && git add -A && git commit -m "Deduplicate interactive-mode: consolidate message rendering, add showStatus helper"
01:12:25 AM
Done. Summary of changes:

1. **Added `getUserMessageText()` helper** - extracts text from user messages (was duplicated 4+ times)

2. **Added `showStatus()` helper** - replaces the pattern `addChild(Spacer) + addChild(Text(theme.fg("dim",...))) + requestRender()`

3. **Consolidated `renderInitialMessages` and `rebuildChatFromMessages`** into a single `renderMessages()` method with options. The public-facing methods now just call it with different params.

4. **Replaced ~20 instances** of the status message pattern with `showStatus()`

Result: **1508 → 1362 lines** (~10% reduction, 146 lines saved)
01:14:49 AM
alright, let's tackle main-new.ts. read it in full, suggest how we can

- remove any code duplication
- split it into separate modules where appropriate, with a desriptin of each module
- locations where those modules should go
01:14:49 AM
The user wants me to read main-new.ts and analyze it for:
1. Code duplication
2. Opportunities to split into separate modules
3. Where those modules should be placed

Let me read the file first.
read ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
01:14:54 AM
This is a 907-line file. Here's my analysis:

## Code Duplication

1. **Model fallback logic** appears twice (lines ~690-730 and ~750-810) - finding available models, checking for default provider models, etc.

2. **Thinking level validation** appears twice - in `parseArgs()` and in `resolveModelScope()`

3. **Date pattern for model aliases** - the logic for checking dated vs alias models could be extracted

## Proposed Module Split

### 1. `src/cli/args.ts` - CLI Argument Parsing
- `parseArgs()` function
- `Args` interface
- `Mode` type
- `printHelp()` function

**Location:** `src/cli/args.ts`

### 2. `src/cli/file-processor.ts` - File Argument Processing
- `IMAGE_MIME_TYPES` constant
- `isImageFile()` function
- `expandPath()` function
- `processFileArguments()` function

**Location:** `src/cli/file-processor.ts`

### 3. `src/core/system-prompt.ts` - System Prompt Building
- `toolDescriptions` constant
- `resolvePromptInput()` function
- `buildSystemPrompt()` function
- `loadContextFileFromDir()` function
- `loadProjectContextFiles()` function

**Location:** `src/core/system-prompt.ts`

### 4. `src/core/model-resolver.ts` - Model Resolution & Selection
- `defaultModelPerProvider` constant
- `resolveModelScope()` function
- `selectSession()` function (TUI session picker)
- New `findInitialModel()` function (consolidate fallback logic)

**Location:** `src/core/model-resolver.ts`

### 5. `src/cli/version-check.ts` - Version Checking
- `checkForNewVersion()` function

**Location:** `src/cli/version-check.ts`

### 6. `src/main-new.ts` - Main Entry Point (slimmed down)
- `runInteractiveMode()` function
- `main()` function (orchestration only)

**Location:** stays at `src/main-new.ts`

## Summary

| Module | Lines (est.) | Purpose |
|--------|--------------|---------|
| `cli/args.ts` | ~150 | CLI parsing and help |
| `cli/file-processor.ts` | ~80 | @file argument processing |
| `cli/version-check.ts` | ~20 | NPM version check |
| `core/system-prompt.ts` | ~180 | System prompt construction |
| `core/model-resolver.ts` | ~200 | Model resolution, scoping, selection |
| `main-new.ts` | ~280 | Orchestration, mode routing |

Want me to proceed with this refactoring?
01:16:33 AM
- selectSession() function (TUI session picker)

this this belongs in model-resolver?

- checkForNewVersion() function

i think we only do this in interactive mode no?

rest looks fine
01:16:33 AM
The user is right:

1. `selectSession()` is a TUI session picker - it doesn't belong in model-resolver. It should probably go in `modes/interactive/` somewhere, or maybe a `cli/session-picker.ts` since it's used during CLI startup before entering interactive mode.

2. `checkForNewVersion()` - yes, it's only used in interactive mode. So it could go in `modes/interactive/` or stay in main since it's only called there. Actually looking at the code, it's called in the interactive branch of main(). Could be in `modes/interactive/version-check.ts` or just inline in the interactive mode setup.

Let me revise:

1. `selectSession()` -> `src/cli/session-picker.ts` or `src/modes/interactive/session-picker.ts`
- Actually it's a CLI startup thing that uses TUI but isn't part of InteractiveMode itself
- I'd put it in `src/cli/session-picker.ts`

2. `checkForNewVersion()` -> could stay in main-new.ts since it's small and only used in interactive mode, OR move to `src/modes/interactive/version-check.ts`
- Actually since it's so small (~20 lines) and only used once, it could just stay in main-new.ts

Let me proceed with the refactoring.
You're right on both counts:

1. `selectSession()` - should be `src/cli/session-picker.ts` (it's a CLI startup thing, not model-related)

2. `checkForNewVersion()` - only used in interactive mode. It's small (~20 lines), could just stay in `main-new.ts` or move to `src/modes/interactive/version-check.ts`

Revised plan:

| Module | Purpose |
|--------|---------|
| `cli/args.ts` | CLI parsing and help |
| `cli/file-processor.ts` | @file argument processing |
| `cli/session-picker.ts` | TUI session selector for --resume |
| `core/system-prompt.ts` | System prompt construction |
| `core/model-resolver.ts` | Model resolution, scoping, initial selection |
| `main-new.ts` | Orchestration, mode routing, version check (inline) |

Let me proceed:
$ mkdir -p /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/cli
(no output)
01:16:46 AM
write ~/workspaces/pi-mono/packages/coding-agent/src/cli/args.ts (198 lines)
Successfully wrote 7124 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/cli/args.ts
01:17:19 AM
write ~/workspaces/pi-mono/packages/coding-agent/src/cli/file-processor.ts (100 lines)
Successfully wrote 2778 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/cli/file-processor.ts
01:17:33 AM
write ~/workspaces/pi-mono/packages/coding-agent/src/cli/session-picker.ts (38 lines)
Successfully wrote 939 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/cli/session-picker.ts
01:17:40 AM
write ~/workspaces/pi-mono/packages/coding-agent/src/core/system-prompt.ts (248 lines)
Successfully wrote 7771 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/system-prompt.ts
01:18:05 AM
after you are done and commited, remoev the old remaining files (main.ts, cli.ts, tui-renderer.ts right? nothing else), and add a code map to AGENTS.md in the root dir for the coding-agent, and a DEVELOPMENT.md in the coding-agent package that is referenced by README.md which describes the whole setup, where what goes etc.
01:18:16 AM
The user wants me to:
1. Finish the refactoring and commit
2. Remove old files (main.ts, cli.ts, tui-renderer.ts)
3. Add a code map to AGENTS.md in the root dir for coding-agent
4. Add a DEVELOPMENT.md in the coding-agent package that describes the setup, referenced by README.md

Let me continue with the refactoring first - I still need to create model-resolver.ts and update main-new.ts.
write ~/workspaces/pi-mono/packages/coding-agent/src/core/model-resolver.ts (320 lines)
Successfully wrote 10256 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/core/model-resolver.ts
01:19:02 AM
Now let me create the updated main-new.ts:
write ~/workspaces/pi-mono/packages/coding-agent/src/main-new.ts (465 lines)
Successfully wrote 14167 bytes to /Users/badlogic/workspaces/pi-mono/packages/coding-agent/src/main-new.ts
+
+ +
+ Generated by pi coding-agent on 12/9/2025, 1:20:04 AM +
+
+ + \ No newline at end of file