story-kit: merge 134_story_add_process_health_monitoring_and_timeout_to_agent_pty_sessions

server/src/main.rs

@@ -57,6 +57,9 @@ async fn main() -> Result<(), std::io::Error> {
     let port = resolve_port();
     let agents = Arc::new(AgentPool::new(port));
 
+    // Start the background watchdog that detects and cleans up orphaned Running agents.
+    agents.spawn_watchdog();
+
     // Filesystem watcher: broadcast channel for work/ pipeline changes.
     let (watcher_tx, _) = broadcast::channel::<io::watcher::WatcherEvent>(1024);
     if let Some(ref root) = *app_state.project_root.lock().unwrap() {