mirror of
https://github.com/getcompanion-ai/co-mono.git
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Reorganize file structure: core/, utils/, modes/interactive/components/, modes/interactive/theme/
This commit is contained in:
Mario Zechner
parent
00982705f2
commit
83a6c26969
56 changed files with 133 additions and 128 deletions
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@ -1,612 +0,0 @@
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import type { AgentState, AppMessage } from "@mariozechner/pi-agent-core";
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import { randomBytes } from "crypto";
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import { appendFileSync, existsSync, mkdirSync, readdirSync, readFileSync, statSync } from "fs";
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import { join, resolve } from "path";
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import { getAgentDir } from "./config.js";
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function uuidv4(): string {
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const bytes = randomBytes(16);
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bytes[6] = (bytes[6] & 0x0f) | 0x40;
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bytes[8] = (bytes[8] & 0x3f) | 0x80;
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const hex = bytes.toString("hex");
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return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20, 32)}`;
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}
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// ============================================================================
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// Session entry types
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// ============================================================================
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export interface SessionHeader {
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type: "session";
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id: string;
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timestamp: string;
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cwd: string;
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provider: string;
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modelId: string;
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thinkingLevel: string;
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branchedFrom?: string;
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}
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export interface SessionMessageEntry {
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type: "message";
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timestamp: string;
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message: AppMessage;
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}
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export interface ThinkingLevelChangeEntry {
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type: "thinking_level_change";
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timestamp: string;
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thinkingLevel: string;
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}
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export interface ModelChangeEntry {
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type: "model_change";
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timestamp: string;
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provider: string;
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modelId: string;
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}
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export interface CompactionEntry {
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type: "compaction";
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timestamp: string;
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summary: string;
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firstKeptEntryIndex: number; // Index into session entries where we start keeping
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tokensBefore: number;
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}
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/** Union of all session entry types */
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export type SessionEntry =
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| SessionHeader
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| SessionMessageEntry
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| ThinkingLevelChangeEntry
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| ModelChangeEntry
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| CompactionEntry;
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// ============================================================================
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// Session loading with compaction support
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// ============================================================================
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export interface LoadedSession {
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messages: AppMessage[];
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thinkingLevel: string;
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model: { provider: string; modelId: string } | null;
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}
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export const SUMMARY_PREFIX = `The conversation history before this point was compacted into the following summary:
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<summary>
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`;
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export const SUMMARY_SUFFIX = `
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</summary>`;
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/**
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* Create a user message containing the summary with the standard prefix.
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*/
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export function createSummaryMessage(summary: string): AppMessage {
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return {
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role: "user",
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content: SUMMARY_PREFIX + summary + SUMMARY_SUFFIX,
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timestamp: Date.now(),
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};
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}
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/**
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* Parse session file content into entries.
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*/
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export function parseSessionEntries(content: string): SessionEntry[] {
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const entries: SessionEntry[] = [];
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const lines = content.trim().split("\n");
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for (const line of lines) {
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if (!line.trim()) continue;
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try {
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const entry = JSON.parse(line) as SessionEntry;
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entries.push(entry);
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} catch {
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// Skip malformed lines
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}
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}
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return entries;
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}
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/**
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* Load session from entries, handling compaction events.
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*
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* Algorithm:
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* 1. Find latest compaction event (if any)
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* 2. Keep all entries from firstKeptEntryIndex onwards (extracting messages)
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* 3. Prepend summary as user message
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*/
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/**
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* Get the latest compaction entry from session entries, if any.
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*/
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export function getLatestCompactionEntry(entries: SessionEntry[]): CompactionEntry | null {
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for (let i = entries.length - 1; i >= 0; i--) {
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if (entries[i].type === "compaction") {
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return entries[i] as CompactionEntry;
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}
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}
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return null;
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}
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export function loadSessionFromEntries(entries: SessionEntry[]): LoadedSession {
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// Find model and thinking level (always scan all entries)
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let thinkingLevel = "off";
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let model: { provider: string; modelId: string } | null = null;
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for (const entry of entries) {
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if (entry.type === "session") {
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thinkingLevel = entry.thinkingLevel;
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model = { provider: entry.provider, modelId: entry.modelId };
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} else if (entry.type === "thinking_level_change") {
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thinkingLevel = entry.thinkingLevel;
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} else if (entry.type === "model_change") {
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model = { provider: entry.provider, modelId: entry.modelId };
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}
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}
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// Find latest compaction event
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let latestCompactionIndex = -1;
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for (let i = entries.length - 1; i >= 0; i--) {
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if (entries[i].type === "compaction") {
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latestCompactionIndex = i;
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break;
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}
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}
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// No compaction: return all messages
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if (latestCompactionIndex === -1) {
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const messages: AppMessage[] = [];
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for (const entry of entries) {
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if (entry.type === "message") {
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messages.push(entry.message);
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}
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}
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return { messages, thinkingLevel, model };
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}
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const compactionEvent = entries[latestCompactionIndex] as CompactionEntry;
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// Extract messages from firstKeptEntryIndex to end (skipping compaction entries)
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const keptMessages: AppMessage[] = [];
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for (let i = compactionEvent.firstKeptEntryIndex; i < entries.length; i++) {
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const entry = entries[i];
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if (entry.type === "message") {
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keptMessages.push(entry.message);
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}
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}
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// Build final messages: summary + kept messages
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const summaryMessage = createSummaryMessage(compactionEvent.summary);
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const messages = [summaryMessage, ...keptMessages];
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return { messages, thinkingLevel, model };
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}
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export class SessionManager {
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private sessionId!: string;
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private sessionFile!: string;
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private sessionDir: string;
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private enabled: boolean = true;
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private sessionInitialized: boolean = false;
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private pendingMessages: any[] = [];
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constructor(continueSession: boolean = false, customSessionPath?: string) {
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this.sessionDir = this.getSessionDirectory();
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if (customSessionPath) {
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// Use custom session file path
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this.sessionFile = resolve(customSessionPath);
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this.loadSessionId();
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// Mark as initialized since we're loading an existing session
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this.sessionInitialized = existsSync(this.sessionFile);
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} else if (continueSession) {
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const mostRecent = this.findMostRecentlyModifiedSession();
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if (mostRecent) {
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this.sessionFile = mostRecent;
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this.loadSessionId();
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// Mark as initialized since we're loading an existing session
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this.sessionInitialized = true;
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} else {
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this.initNewSession();
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}
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} else {
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this.initNewSession();
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}
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}
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/** Disable session saving (for --no-session mode) */
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disable() {
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this.enabled = false;
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}
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private getSessionDirectory(): string {
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const cwd = process.cwd();
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// Replace all path separators and colons (for Windows drive letters) with dashes
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const safePath = "--" + cwd.replace(/^[/\\]/, "").replace(/[/\\:]/g, "-") + "--";
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const configDir = getAgentDir();
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const sessionDir = join(configDir, "sessions", safePath);
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if (!existsSync(sessionDir)) {
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mkdirSync(sessionDir, { recursive: true });
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}
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return sessionDir;
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}
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private initNewSession(): void {
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this.sessionId = uuidv4();
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const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
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this.sessionFile = join(this.sessionDir, `${timestamp}_${this.sessionId}.jsonl`);
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}
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/** Reset to a fresh session. Clears pending messages and starts a new session file. */
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reset(): void {
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this.pendingMessages = [];
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this.sessionInitialized = false;
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this.initNewSession();
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}
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private findMostRecentlyModifiedSession(): string | null {
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try {
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const files = readdirSync(this.sessionDir)
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.filter((f) => f.endsWith(".jsonl"))
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.map((f) => ({
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name: f,
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path: join(this.sessionDir, f),
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mtime: statSync(join(this.sessionDir, f)).mtime,
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}))
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.sort((a, b) => b.mtime.getTime() - a.mtime.getTime());
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return files[0]?.path || null;
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} catch {
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return null;
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}
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}
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private loadSessionId(): void {
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if (!existsSync(this.sessionFile)) return;
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const lines = readFileSync(this.sessionFile, "utf8").trim().split("\n");
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for (const line of lines) {
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try {
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const entry = JSON.parse(line);
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if (entry.type === "session") {
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this.sessionId = entry.id;
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return;
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}
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} catch {
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// Skip malformed lines
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}
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}
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this.sessionId = uuidv4();
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}
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startSession(state: AgentState): void {
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if (!this.enabled || this.sessionInitialized) return;
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this.sessionInitialized = true;
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const entry: SessionHeader = {
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type: "session",
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id: this.sessionId,
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timestamp: new Date().toISOString(),
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cwd: process.cwd(),
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provider: state.model.provider,
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modelId: state.model.id,
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thinkingLevel: state.thinkingLevel,
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};
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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// Write any queued messages
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for (const msg of this.pendingMessages) {
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appendFileSync(this.sessionFile, JSON.stringify(msg) + "\n");
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}
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this.pendingMessages = [];
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}
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saveMessage(message: any): void {
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if (!this.enabled) return;
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const entry: SessionMessageEntry = {
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type: "message",
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timestamp: new Date().toISOString(),
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message,
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};
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if (!this.sessionInitialized) {
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this.pendingMessages.push(entry);
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} else {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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saveThinkingLevelChange(thinkingLevel: string): void {
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if (!this.enabled) return;
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const entry: ThinkingLevelChangeEntry = {
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type: "thinking_level_change",
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timestamp: new Date().toISOString(),
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thinkingLevel,
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};
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if (!this.sessionInitialized) {
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this.pendingMessages.push(entry);
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} else {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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saveModelChange(provider: string, modelId: string): void {
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if (!this.enabled) return;
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const entry: ModelChangeEntry = {
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type: "model_change",
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timestamp: new Date().toISOString(),
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provider,
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modelId,
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};
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if (!this.sessionInitialized) {
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this.pendingMessages.push(entry);
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} else {
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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}
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saveCompaction(entry: CompactionEntry): void {
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if (!this.enabled) return;
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appendFileSync(this.sessionFile, JSON.stringify(entry) + "\n");
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}
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/**
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* Load session data (messages, model, thinking level) with compaction support.
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*/
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loadSession(): LoadedSession {
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const entries = this.loadEntries();
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return loadSessionFromEntries(entries);
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}
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/**
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* @deprecated Use loadSession().messages instead
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*/
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loadMessages(): AppMessage[] {
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return this.loadSession().messages;
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}
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/**
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* @deprecated Use loadSession().thinkingLevel instead
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*/
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loadThinkingLevel(): string {
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return this.loadSession().thinkingLevel;
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}
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/**
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* @deprecated Use loadSession().model instead
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*/
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loadModel(): { provider: string; modelId: string } | null {
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return this.loadSession().model;
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}
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getSessionId(): string {
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return this.sessionId;
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}
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getSessionFile(): string {
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return this.sessionFile;
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}
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/**
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* Load all entries from the session file.
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*/
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loadEntries(): SessionEntry[] {
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if (!existsSync(this.sessionFile)) return [];
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const content = readFileSync(this.sessionFile, "utf8");
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const entries: SessionEntry[] = [];
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const lines = content.trim().split("\n");
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for (const line of lines) {
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if (!line.trim()) continue;
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try {
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const entry = JSON.parse(line) as SessionEntry;
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entries.push(entry);
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} catch {
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// Skip malformed lines
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}
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}
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return entries;
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}
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/**
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* Load all sessions for the current directory with metadata
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*/
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loadAllSessions(): Array<{
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path: string;
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id: string;
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created: Date;
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modified: Date;
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messageCount: number;
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firstMessage: string;
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allMessagesText: string;
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}> {
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const sessions: Array<{
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path: string;
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id: string;
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created: Date;
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modified: Date;
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messageCount: number;
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firstMessage: string;
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allMessagesText: string;
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}> = [];
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try {
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const files = readdirSync(this.sessionDir)
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.filter((f) => f.endsWith(".jsonl"))
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.map((f) => join(this.sessionDir, f));
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for (const file of files) {
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try {
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const stats = statSync(file);
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const content = readFileSync(file, "utf8");
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const lines = content.trim().split("\n");
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let sessionId = "";
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let created = stats.birthtime;
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let messageCount = 0;
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let firstMessage = "";
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const allMessages: string[] = [];
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|
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for (const line of lines) {
|
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try {
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const entry = JSON.parse(line);
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|
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// Extract session ID from first session entry
|
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if (entry.type === "session" && !sessionId) {
|
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sessionId = entry.id;
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created = new Date(entry.timestamp);
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}
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// Count messages and collect all text
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if (entry.type === "message") {
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messageCount++;
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// Extract text from user and assistant messages
|
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if (entry.message.role === "user" || entry.message.role === "assistant") {
|
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const textContent = entry.message.content
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.filter((c: any) => c.type === "text")
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.map((c: any) => c.text)
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.join(" ");
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|
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if (textContent) {
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allMessages.push(textContent);
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|
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// Get first user message for display
|
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if (!firstMessage && entry.message.role === "user") {
|
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firstMessage = textContent;
|
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}
|
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}
|
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}
|
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}
|
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} catch {
|
||||
// Skip malformed lines
|
||||
}
|
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}
|
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|
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sessions.push({
|
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path: file,
|
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id: sessionId || "unknown",
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created,
|
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modified: stats.mtime,
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messageCount,
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firstMessage: firstMessage || "(no messages)",
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allMessagesText: allMessages.join(" "),
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});
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} catch (error) {
|
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// Skip files that can't be read
|
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console.error(`Failed to read session file ${file}:`, error);
|
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}
|
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}
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|
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// Sort by modified date (most recent first)
|
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sessions.sort((a, b) => b.modified.getTime() - a.modified.getTime());
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} catch (error) {
|
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console.error("Failed to load sessions:", error);
|
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}
|
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|
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return sessions;
|
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}
|
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|
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/**
|
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* Set the session file to an existing session
|
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*/
|
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setSessionFile(path: string): void {
|
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this.sessionFile = path;
|
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this.loadSessionId();
|
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// Mark as initialized since we're loading an existing session
|
||||
this.sessionInitialized = existsSync(path);
|
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}
|
||||
|
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/**
|
||||
* Check if we should initialize the session based on message history.
|
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* Session is initialized when we have at least 1 user message and 1 assistant message.
|
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*/
|
||||
shouldInitializeSession(messages: any[]): boolean {
|
||||
if (this.sessionInitialized) return false;
|
||||
|
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const userMessages = messages.filter((m) => m.role === "user");
|
||||
const assistantMessages = messages.filter((m) => m.role === "assistant");
|
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||||
return userMessages.length >= 1 && assistantMessages.length >= 1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a branched session from a specific message index.
|
||||
* If branchFromIndex is -1, creates an empty session.
|
||||
* Returns the new session file path.
|
||||
*/
|
||||
createBranchedSession(state: any, branchFromIndex: number): string {
|
||||
// Create a new session ID for the branch
|
||||
const newSessionId = uuidv4();
|
||||
const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
|
||||
const newSessionFile = join(this.sessionDir, `${timestamp}_${newSessionId}.jsonl`);
|
||||
|
||||
// Write session header
|
||||
const entry: SessionHeader = {
|
||||
type: "session",
|
||||
id: newSessionId,
|
||||
timestamp: new Date().toISOString(),
|
||||
cwd: process.cwd(),
|
||||
provider: state.model.provider,
|
||||
modelId: state.model.id,
|
||||
thinkingLevel: state.thinkingLevel,
|
||||
branchedFrom: this.sessionFile,
|
||||
};
|
||||
appendFileSync(newSessionFile, JSON.stringify(entry) + "\n");
|
||||
|
||||
// Write messages up to and including the branch point (if >= 0)
|
||||
if (branchFromIndex >= 0) {
|
||||
const messagesToWrite = state.messages.slice(0, branchFromIndex + 1);
|
||||
for (const message of messagesToWrite) {
|
||||
const messageEntry: SessionMessageEntry = {
|
||||
type: "message",
|
||||
timestamp: new Date().toISOString(),
|
||||
message,
|
||||
};
|
||||
appendFileSync(newSessionFile, JSON.stringify(messageEntry) + "\n");
|
||||
}
|
||||
}
|
||||
|
||||
return newSessionFile;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a branched session from session entries up to (but not including) a specific entry index.
|
||||
* This preserves compaction events and all entry types.
|
||||
* Returns the new session file path.
|
||||
*/
|
||||
createBranchedSessionFromEntries(entries: SessionEntry[], branchBeforeIndex: number): string {
|
||||
const newSessionId = uuidv4();
|
||||
const timestamp = new Date().toISOString().replace(/[:.]/g, "-");
|
||||
const newSessionFile = join(this.sessionDir, `${timestamp}_${newSessionId}.jsonl`);
|
||||
|
||||
// Copy all entries up to (but not including) the branch point
|
||||
for (let i = 0; i < branchBeforeIndex; i++) {
|
||||
const entry = entries[i];
|
||||
|
||||
if (entry.type === "session") {
|
||||
// Rewrite session header with new ID and branchedFrom
|
||||
const newHeader: SessionHeader = {
|
||||
...entry,
|
||||
id: newSessionId,
|
||||
timestamp: new Date().toISOString(),
|
||||
branchedFrom: this.sessionFile,
|
||||
};
|
||||
appendFileSync(newSessionFile, JSON.stringify(newHeader) + "\n");
|
||||
} else {
|
||||
// Copy other entries as-is
|
||||
appendFileSync(newSessionFile, JSON.stringify(entry) + "\n");
|
||||
}
|
||||
}
|
||||
|
||||
return newSessionFile;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue