feat(acl): source-aware chat trigger ACL (#252)

packages/agent/src/types/agent.ts

@@ -5,9 +5,9 @@ import { MCPConnection } from './mcp'
 
 export interface IdentityContext {
   botId: string
-  containerId: string
-  channelIdentityId: string
-  displayName: string
+  containerId?: string
+  channelIdentityId?: string
+  displayName?: string
   currentPlatform?: string
   replyTarget?: string
   conversationType?: string