fix: move PID lock to bootstrap.ts for all entrypoints

packages/server/src/server/bootstrap.ts

@@ -59,6 +59,7 @@ import type {
   AgentClient,
   AgentProvider,
 } from "./agent/agent-sdk-types.js";
+import { acquirePidLock, releasePidLock } from "./pid-lock.js";
 
 type AgentMcpTransportMap = Map<string, StreamableHTTPServerTransport>;
 
@@ -498,6 +499,9 @@ export async function createPaseoDaemon(
   );
 
   const start = async () => {
+    // Acquire PID lock
+    await acquirePidLock(config.paseoHome, selfIdMcpSocketPath);
+
     // Start Self-ID MCP socket server first
     await new Promise<void>((resolve, reject) => {
       const onError = (err: Error) => {
@@ -604,6 +608,8 @@ export async function createPaseoDaemon(
     if (existsSync(selfIdMcpSocketPath)) {
       unlinkSync(selfIdMcpSocketPath);
     }
+    // Release PID lock
+    await releasePidLock(config.paseoHome);
   };
 
   return {

packages/server/src/server/index.ts

@@ -9,6 +9,7 @@ import { loadConfig } from "./config.js";
 import { resolvePaseoHome } from "./paseo-home.js";
 import { createRootLogger } from "./logger.js";
 import { loadPersistedConfig } from "./persisted-config.js";
+import { PidLockError } from "./pid-lock.js";
 
 async function main() {
   const paseoHome = resolvePaseoHome();
@@ -21,7 +22,15 @@ async function main() {
   }
   const daemon = await createPaseoDaemon(config, logger);
 
-  await daemon.start();
+  try {
+    await daemon.start();
+  } catch (err) {
+    if (err instanceof PidLockError) {
+      logger.error({ pid: err.existingLock?.pid }, err.message);
+      process.exit(1);
+    }
+    throw err;
+  }
 
   let shuttingDown = false;
   const handleShutdown = async (signal: string) => {