扩展外部生成Worker队列

新增外部生成队列概览和单任务状态契约

将跳一跳、拼消消、敲木鱼图片生成动作接入worker队列

前端生成等待页展示当前任务和队列数量

更新外部生成worker运维文档和团队决策记录

packages/shared/src/contracts/puzzleAgentActions.ts

@@ -1,4 +1,5 @@
 import type { PuzzleAgentSessionSnapshot } from './puzzleAgentSession';
+import type { ExternalGenerationJobStatusRecord } from './externalGeneration';
 
 export type PuzzleAgentSuggestedActionType =
   | 'request_summary'
@@ -41,6 +42,7 @@ export interface PuzzleAgentOperationRecord {
   phaseDetail: string;
   progress: number;
   error?: string | null;
+  queueState?: ExternalGenerationJobStatusRecord | null;
 }
 
 export type PuzzleAgentActionRequest =