merge: integrate agent lifecycle ownership from master

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/app.ts

@@ -1,5 +1,7 @@
 import { createDeliveryWorkCoordinator } from "./services/delivery-work-coordinator.js";
 import { DELIVERY_QUEUES } from "./services/delivery-work-notifications.js";
+import { createLifecycleDriver } from "./services/agent-lifecycle-driver.js";
+import { startAgentLifecycle } from "./services/agent-lifecycle.js";
 import { idleAdmissionMiddleware, trackIdleRequestHandlers } from "./middleware/idle-admission.js";
 import { isIdleTaskDrainActive, trackIdleWork } from "./services/task-admission.js";
 import { customerSuccessRoutes } from "./routes/customer-success.js";
@@ -623,6 +625,8 @@ export async function createApp(
 
   const hostServicesDisposers = new Map<string, () => void>();
   const workerManager = opts.pluginWorkerManager ?? createPluginWorkerManager();
+  let lifecyclePluginsReady = false;
+  const agentLifecycle = startAgentLifecycle(db, createLifecycleDriver(db, workerManager), () => lifecyclePluginsReady && !isWarmStandby() && !isIdleTaskDrainActive());
   const connectionIntentHeartbeat = heartbeatService(db, {
     pluginWorkerManager: workerManager,
   });
@@ -1360,6 +1364,7 @@ export async function createApp(
       logger.error({ err }, "Failed to load ready plugins on startup");
     });
   app.locals.bundledPluginsStartup = trackIdleWork(bundledPluginsStartup);
+  void bundledPluginsStartup.then(() => { lifecyclePluginsReady = true; return agentLifecycle.sweep(); }).catch(() => logger.warn("Agent lifecycle recovery failed; retrying."));
   // The shutdown hook runs at most once. It caches the in-flight promise, so a
   // second caller (for example the `exit` handler) awaits the same completion
   // instead of starting a second teardown.
@@ -1370,6 +1375,7 @@ export async function createApp(
       // The scheduler tick queries the database. Stop it here, inside the
       // awaited teardown, so no tick runs after the caller ends the pool.
       scheduler.stop();
+      await agentLifecycle.stop();
       await publicMcpEvents?.stop();
       await dotMcpEvents?.stop();
       jobCoordinator.stop();