Add pi-daemon package, update models and dependencies

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/ai/src/models.generated.ts

@@ -2304,6 +2304,23 @@ export const MODELS = {
 			contextWindow: 272000,
 			maxTokens: 128000,
 		} satisfies Model<"azure-openai-responses">,
+		"gpt-5.4-pro": {
+			id: "gpt-5.4-pro",
+			name: "GPT-5.4 Pro",
+			api: "azure-openai-responses",
+			provider: "azure-openai-responses",
+			baseUrl: "",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 30,
+				output: 180,
+				cacheRead: 0,
+				cacheWrite: 0,
+			},
+			contextWindow: 1050000,
+			maxTokens: 128000,
+		} satisfies Model<"azure-openai-responses">,
 		"o1": {
 			id: "o1",
 			name: "o1",
@@ -2880,7 +2897,7 @@ export const MODELS = {
 		} satisfies Model<"openai-responses">,
 		"gpt-5.3-codex": {
 			id: "gpt-5.3-codex",
-			name: "GPT-5.3 Codex",
+			name: "GPT-5.3-Codex",
 			api: "openai-responses",
 			provider: "github-copilot",
 			baseUrl: "https://api.individual.githubcopilot.com",
@@ -2893,7 +2910,7 @@ export const MODELS = {
 				cacheRead: 0,
 				cacheWrite: 0,
 			},
-			contextWindow: 272000,
+			contextWindow: 400000,
 			maxTokens: 128000,
 		} satisfies Model<"openai-responses">,
 		"grok-code-fast-1": {
@@ -5454,6 +5471,23 @@ export const MODELS = {
 			contextWindow: 272000,
 			maxTokens: 128000,
 		} satisfies Model<"openai-responses">,
+		"gpt-5.4-pro": {
+			id: "gpt-5.4-pro",
+			name: "GPT-5.4 Pro",
+			api: "openai-responses",
+			provider: "openai",
+			baseUrl: "https://api.openai.com/v1",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 30,
+				output: 180,
+				cacheRead: 0,
+				cacheWrite: 0,
+			},
+			contextWindow: 1050000,
+			maxTokens: 128000,
+		} satisfies Model<"openai-responses">,
 		"o1": {
 			id: "o1",
 			name: "o1",
@@ -6172,6 +6206,23 @@ export const MODELS = {
 			contextWindow: 272000,
 			maxTokens: 128000,
 		} satisfies Model<"openai-responses">,
+		"gpt-5.4-pro": {
+			id: "gpt-5.4-pro",
+			name: "GPT-5.4 Pro",
+			api: "openai-responses",
+			provider: "opencode",
+			baseUrl: "https://opencode.ai/zen/v1",
+			reasoning: true,
+			input: ["text", "image"],
+			cost: {
+				input: 30,
+				output: 180,
+				cacheRead: 30,
+				cacheWrite: 0,
+			},
+			contextWindow: 1050000,
+			maxTokens: 128000,
+		} satisfies Model<"openai-responses">,
 		"kimi-k2.5": {
 			id: "kimi-k2.5",
 			name: "Kimi K2.5",

packages/pi-daemon/package.json

@@ -0,0 +1,16 @@
+{
+  "name": "@co/pi-daemon",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx --watch src/main.ts",
+    "start": "tsx src/main.ts"
+  },
+  "dependencies": {
+    "ws": "^8.18.0"
+  },
+  "devDependencies": {
+    "@types/ws": "^8.5.13"
+  }
+}

packages/pi-daemon/src/main.ts

@@ -0,0 +1,161 @@
+import {
+	type AgentSession,
+	AuthStorage,
+	createAgentSession,
+	ModelRegistry,
+	SessionManager,
+} from "@mariozechner/pi-coding-agent";
+import { createServer } from "http";
+import { WebSocket, WebSocketServer } from "ws";
+
+const PORT = Number(process.env.PORT ?? 4567);
+const CWD = process.argv[2] || process.cwd();
+
+let session: AgentSession | null = null;
+const clients = new Set<WebSocket>();
+
+function broadcast(data: unknown) {
+	const msg = JSON.stringify(data);
+	for (const ws of clients) {
+		if (ws.readyState === WebSocket.OPEN) {
+			ws.send(msg);
+		}
+	}
+}
+
+async function initSession() {
+	const authStorage = AuthStorage.create();
+	const modelRegistry = new ModelRegistry(authStorage);
+
+	const result = await createAgentSession({
+		cwd: CWD,
+		authStorage,
+		modelRegistry,
+		sessionManager: SessionManager.inMemory(),
+	});
+
+	session = result.session;
+
+	session.subscribe((event) => {
+		broadcast({ type: "agent_event", event });
+	});
+
+	console.log(`Session created. Model: ${session.model?.name ?? "auto"}`);
+	console.log(`Working directory: ${CWD}`);
+}
+
+const httpServer = createServer((req, res) => {
+	res.setHeader("Access-Control-Allow-Origin", "*");
+	res.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
+	res.setHeader("Access-Control-Allow-Headers", "Content-Type");
+
+	if (req.method === "OPTIONS") {
+		res.writeHead(204);
+		res.end();
+		return;
+	}
+
+	if (req.url === "/health") {
+		res.writeHead(200, { "Content-Type": "application/json" });
+		res.end(
+			JSON.stringify({
+				status: "ok",
+				cwd: CWD,
+				model: session?.model?.name ?? null,
+				isStreaming: session?.isStreaming ?? false,
+				clients: clients.size,
+			}),
+		);
+		return;
+	}
+
+	res.writeHead(404);
+	res.end("Not found");
+});
+
+const wss = new WebSocketServer({ server: httpServer });
+
+wss.on("connection", (ws) => {
+	clients.add(ws);
+	console.log(`Client connected (${clients.size} total)`);
+
+	ws.send(
+		JSON.stringify({
+			type: "connected",
+			cwd: CWD,
+			model: session?.model?.name ?? null,
+			isStreaming: session?.isStreaming ?? false,
+		}),
+	);
+
+	ws.on("message", async (raw) => {
+		if (!session) {
+			ws.send(JSON.stringify({ type: "error", error: "Session not initialized" }));
+			return;
+		}
+
+		let msg: { type: string; [key: string]: unknown };
+		try {
+			msg = JSON.parse(raw.toString());
+		} catch {
+			ws.send(JSON.stringify({ type: "error", error: "Invalid JSON" }));
+			return;
+		}
+
+		try {
+			switch (msg.type) {
+				case "prompt": {
+					const text = msg.text as string;
+					if (!text) break;
+					if (session.isStreaming) {
+						await session.followUp(text);
+					} else {
+						await session.prompt(text);
+					}
+					break;
+				}
+
+				case "steer": {
+					const text = msg.text as string;
+					if (text && session.isStreaming) {
+						await session.steer(text);
+					}
+					break;
+				}
+
+				case "abort": {
+					await session.abort();
+					break;
+				}
+
+				case "get_messages": {
+					ws.send(
+						JSON.stringify({
+							type: "messages",
+							messages: session.messages,
+						}),
+					);
+					break;
+				}
+
+				default:
+					ws.send(JSON.stringify({ type: "error", error: `Unknown command: ${msg.type}` }));
+			}
+		} catch (err: unknown) {
+			const error = err instanceof Error ? err.message : String(err);
+			ws.send(JSON.stringify({ type: "error", error }));
+		}
+	});
+
+	ws.on("close", () => {
+		clients.delete(ws);
+		console.log(`Client disconnected (${clients.size} total)`);
+	});
+});
+
+await initSession();
+
+httpServer.listen(PORT, () => {
+	console.log(`Pi daemon running on http://localhost:${PORT}`);
+	console.log(`WebSocket: ws://localhost:${PORT}`);
+});

packages/pi-daemon/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "rootDir": "src"
+  },
+  "include": ["src"]
+}