feat(08.1-01): update AgentWaitingEvent with structured question data

- Add options array for predefined question choices
- Add multiSelect boolean for multi-selection questions
- Update dispatch manager test mock with getPendingQuestion

src/dispatch/manager.test.ts

@@ -73,6 +73,7 @@ function createMockAgentManager(
     stop: vi.fn().mockResolvedValue(undefined),
     resume: vi.fn().mockResolvedValue(undefined),
     getResult: vi.fn().mockResolvedValue(null),
+    getPendingQuestion: vi.fn().mockResolvedValue(null),
   };
 }