fix(engine): recover orphaned tasks at startup

packages/engine/src/runtimes/in-process-runtime.test.ts

@@ -8,11 +8,13 @@ const {
   mockSelfHealingStart,
   mockSelfHealingStop,
   mockSelfHealingCtor,
+  mockRunStartupRecovery,
   mockExecutorCtor,
 } = vi.hoisted(() => ({
   mockSelfHealingStart: vi.fn(),
   mockSelfHealingStop: vi.fn(),
   mockSelfHealingCtor: vi.fn(),
+  mockRunStartupRecovery: vi.fn().mockResolvedValue(undefined),
   mockExecutorCtor: vi.fn(),
 }));
 
@@ -92,6 +94,7 @@ vi.mock("../self-healing.js", async () => {
       return {
         start: mockSelfHealingStart,
         stop: mockSelfHealingStop,
+        runStartupRecovery: mockRunStartupRecovery,
       };
     }),
   };
@@ -184,6 +187,12 @@ describe("InProcessRuntime", () => {
       expect(mockSelfHealingStart).toHaveBeenCalled();
     }, 30000);
 
+    it("runs self-healing startup recovery immediately after orphan resume on startup", async () => {
+      await runtime.start();
+
+      expect(mockRunStartupRecovery).toHaveBeenCalledTimes(1);
+    }, 30000);
+
     it("creates a stuck task detector and passes it to the executor", async () => {
       await runtime.start();
 

packages/engine/src/runtimes/in-process-runtime.ts

@@ -360,6 +360,12 @@ export class InProcessRuntime
       // 9. Resume orphaned in-progress tasks
       await this.executor.resumeOrphaned();
 
+      // Some "stuck" tasks are already orphaned by the time the runtime boots:
+      // they no longer have a tracked session/worktree, so the stuck detector
+      // cannot recover them. Delegate the startup recovery pass to
+      // SelfHealingManager so the policy lives in one place.
+      await this.selfHealingManager.runStartupRecovery();
+
       // 10. Start scheduler
       this.scheduler.start();