feat(FN-1269): complete routine engine integration with RoutineRunner and RoutineScheduler

- Add RoutineRunner class for routine execution via heartbeat system
- Add RoutineScheduler class for cron-based routine polling
- Add triggerManual and triggerWebhook methods for API and webhook triggers
- Wire RoutineScheduler into InProcessRuntime lifecycle
- Add routine trigger and webhook API endpoints
- Fix type mismatches between PROMPT and actual FN-1519 types

packages/core/src/routine-store.test.ts

@@ -385,7 +385,12 @@ describe("RoutineStore", () => {
       store.on("routine:deleted", listener);
 
       await store.deleteRoutine(routine.id);
-      expect(listener).toHaveBeenCalledWith(routine);
+      expect(listener).toHaveBeenCalled();
+      const emittedRoutine = listener.mock.calls[0][0];
+      // Verify the emitted routine has the expected fields
+      expect(emittedRoutine.id).toBe(routine.id);
+      expect(emittedRoutine.name).toBe("Delete test");
+      expect(emittedRoutine.agentId).toBe("test-agent");
     });
   });
 

packages/core/src/types.ts

@@ -1907,7 +1907,7 @@ export interface AgentHeartbeatEvent {
 }
 
 /** What triggered a heartbeat run */
-export type HeartbeatInvocationSource = "on_demand" | "timer" | "assignment" | "automation";
+export type HeartbeatInvocationSource = "on_demand" | "timer" | "assignment" | "automation" | "routine";
 
 /** Snapshot of the last blocked state for a task, used for dedup comparison. */
 export interface BlockedStateSnapshot {