Implement file-based locking mechanism for worker operations to prevent race conditions

- Added functions for acquiring and releasing locks using a lock file.
- Implemented cleanup of stale locks from crashed processes.
- Modified 'start', 'stop', and 'restart' commands to use the locking mechanism.
- Ensured proper handling of concurrent operations and improved logging.

plugin/hooks/hooks.json

@@ -7,12 +7,17 @@
         "hooks": [
           {
             "type": "command",
-            "command": "bun \"${CLAUDE_PLUGIN_ROOT}/scripts/worker-service.cjs\" restart",
+            "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/smart-install.js\"",
+            "timeout": 300
+          },
+          {
+            "type": "command",
+            "command": "bun \"${CLAUDE_PLUGIN_ROOT}/scripts/worker-service.cjs\" start",
             "timeout": 180
           },
           {
             "type": "command",
-            "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/smart-install.js\" && node \"${CLAUDE_PLUGIN_ROOT}/scripts/context-hook.js\"",
+            "command": "node \"${CLAUDE_PLUGIN_ROOT}/scripts/context-hook.js\"",
             "timeout": 300
           },
           {