feat(05-03): add dispatch domain events

- TaskQueuedEvent for task queue operations
- TaskDispatchedEvent when task assigned to agent
- TaskCompletedEvent for task completion with success/failure
- TaskBlockedEvent for blocked tasks with reason

src/events/index.ts

@@ -25,6 +25,10 @@ export type {
   AgentCrashedEvent,
   AgentResumedEvent,
   AgentWaitingEvent,
+  TaskQueuedEvent,
+  TaskDispatchedEvent,
+  TaskCompletedEvent,
+  TaskBlockedEvent,
   DomainEventMap,
   DomainEventType,
 } from './types.js';

src/events/types.ts

@@ -187,6 +187,47 @@ export interface AgentWaitingEvent extends DomainEvent {
   };
 }
 
+/**
+ * Task Dispatch Events
+ */
+
+export interface TaskQueuedEvent extends DomainEvent {
+  type: 'task:queued';
+  payload: {
+    taskId: string;
+    priority: string;
+    dependsOn: string[];
+  };
+}
+
+export interface TaskDispatchedEvent extends DomainEvent {
+  type: 'task:dispatched';
+  payload: {
+    taskId: string;
+    agentId: string;
+    agentName: string;
+  };
+}
+
+export interface TaskCompletedEvent extends DomainEvent {
+  type: 'task:completed';
+  payload: {
+    taskId: string;
+    agentId: string;
+    success: boolean;
+    message: string;
+  };
+}
+
+export interface TaskBlockedEvent extends DomainEvent {
+  type: 'task:blocked';
+  payload: {
+    taskId: string;
+    reason: string;
+    blockedBy?: string[];
+  };
+}
+
 /**
  * Union of all domain events - enables type-safe event handling
  */
@@ -205,7 +246,11 @@ export type DomainEventMap =
   | AgentStoppedEvent
   | AgentCrashedEvent
   | AgentResumedEvent
-  | AgentWaitingEvent;
+  | AgentWaitingEvent
+  | TaskQueuedEvent
+  | TaskDispatchedEvent
+  | TaskCompletedEvent
+  | TaskBlockedEvent;
 
 /**
  * Event type literal union for type checking