fix: lifecycle

packages/orchestrator/src/serve.ts

@@ -1,26 +1,45 @@
-import { existsSync, unlinkSync } from "node:fs";
+import { existsSync, mkdirSync, unlinkSync } from "node:fs";
+import { dirname } from "node:path";
 import { getSocketPath } from "./config.ts";
 import { handleIpcRequest } from "./handler.ts";
 import { startIpcServer } from "./ipc/server.ts";
 
 export async function serve(): Promise<void> {
 	const socketPath = getSocketPath();
+	mkdirSync(dirname(socketPath), { recursive: true });
 	const server = await startIpcServer(handleIpcRequest);
+	console.log(`orchestrator listening on ${socketPath}`);
 
+	let cleanedUp = false;
 	const cleanup = () => {
+		if (cleanedUp) {
+			return;
+		}
+		cleanedUp = true;
 		server.close();
 		if (existsSync(socketPath)) {
 			unlinkSync(socketPath);
 		}
 	};
 
-	process.on("SIGINT", () => {
+	const shutdown = (exitCode: number) => {
 		cleanup();
-		process.exit(0);
+		process.exit(exitCode);
+	};
+
+	process.on("SIGINT", () => shutdown(0));
+	process.on("SIGTERM", () => shutdown(0));
+	process.on("exit", cleanup);
+	process.on("uncaughtException", (error) => {
+		console.error(error);
+		shutdown(1);
+	});
+	process.on("unhandledRejection", (reason) => {
+		console.error(reason);
+		shutdown(1);
 	});
 
-	process.on("SIGTERM", () => {
-		cleanup();
-		process.exit(0);
+	await new Promise<void>(() => {
+		// Keep the process alive until a signal or fatal error triggers shutdown.
 	});
 }