fix(events): tighten timeline and runtime contracts

packages/events/src/agent-runtime.test.ts

@@ -81,7 +81,7 @@ describe('agent runtime contract baseline', () => {
       runId: 'run_flow_1',
       sessionId: 'sess_flow_1',
       productId: 'flowmonk',
-      status: 'running',
+      status: 'waiting-approval',
       startedAt: '2026-04-03T17:01:00.000Z',
       completedAt: null,
       checkpointArtifactId: 'art_plan_1',
@@ -112,6 +112,7 @@ describe('agent runtime contract baseline', () => {
     });
 
     expect(dispatch.dispatchContext.dispatchMode).toBe('scheduled');
+    expect(run.status).toBe('waiting-approval');
     expect(run.checkpointArtifactId).toBe('art_plan_1');
     expect(todo.status).toBe('in-progress');
     expect(actionLog.eventName).toBe('agent.run.started');

packages/events/src/agent-runtime.ts

@@ -65,6 +65,7 @@ export const AgentTodoSchema = z.object({
 export const AgentRunStatusSchema = z.enum([
   'running',
   'paused',
+  'waiting-approval',
   'completed',
   'failed',
   'cancelled',

packages/events/src/timeline.test.ts

@@ -71,6 +71,7 @@ describe('timeline contract baseline', () => {
     expect(items[1]?.title).toBe('Cowork audit report for task task_phase3');
     expect(items[2]?.summary).toBe('plan status: draft');
     expect(items[3]?.summary).toContain('microphone transcript captured');
+    expect(items[0]?.relatedEventIds).toEqual(['evt_note_linked_1']);
   });
 
   it('exposes a stable timeline item schema', () => {

packages/events/src/timeline.ts

@@ -88,8 +88,12 @@ function summaryForEvent(event: EventLike): string | null {
 }
 
 function relatedEventIdsForEvent(event: EventLike): string[] {
-  return [event.trace.parentEventId, event.trace.causationId].filter(
-    (value): value is string => typeof value === 'string' && value.length > 0
+  return Array.from(
+    new Set(
+      [event.trace.parentEventId, event.trace.causationId].filter(
+        (value): value is string => typeof value === 'string' && value.length > 0
+      )
+    )
   );
 }