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

src/components/platform-entry/platformExternalGenerationQueueStatusModel.ts

@@ -0,0 +1,21 @@
+import type {
+  ExternalGenerationJobStatusRecord,
+  ExternalGenerationQueueOverview,
+} from '../../../packages/shared/src/contracts/externalGeneration';
+import type { ExternalGenerationQueueStatus } from '../CustomWorldGenerationView';
+
+export function buildExternalGenerationQueueStatus(
+  overview: ExternalGenerationQueueOverview | null,
+  job: ExternalGenerationJobStatusRecord | null,
+): ExternalGenerationQueueStatus | null {
+  if (!overview && !job) {
+    return null;
+  }
+
+  return {
+    currentStatus: job?.status ?? null,
+    currentProgress: job?.progress ?? null,
+    pendingCount: overview?.pendingCount ?? null,
+    runningCount: overview?.runningCount ?? null,
+  };
+}