feat(xiaobao-ai): 后台化风险解读队列

apps/server/src/modules/xiaobao-ai/xiaobao-ai.worker.ts

@@ -0,0 +1,30 @@
+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { BackgroundJobWorker } from '../jobs/background-job.worker';
+import { XIAOBAO_AI_INTERPRET_JOB, XiaobaoAiInterpretPayload } from './xiaobao-ai.types';
+import { XiaobaoAiService } from './xiaobao-ai.service';
+
+@Injectable()
+export class XiaobaoAiWorker implements OnModuleInit {
+  constructor(
+    private readonly worker: BackgroundJobWorker,
+    private readonly xiaobaoAi: XiaobaoAiService,
+  ) {}
+
+  onModuleInit() {
+    this.worker.registerHandler(XIAOBAO_AI_INTERPRET_JOB, async (payload) => {
+      await this.xiaobaoAi.runInterpretation(readPayload(payload));
+    });
+  }
+}
+
+function readPayload(payload: unknown): XiaobaoAiInterpretPayload {
+  if (!payload || typeof payload !== 'object') {
+    throw new Error('xiaobao.ai.interpret requires payload.versionId and payload.riskSignature');
+  }
+  const versionId = (payload as { versionId?: unknown }).versionId;
+  const riskSignature = (payload as { riskSignature?: unknown }).riskSignature;
+  if (typeof versionId !== 'string' || !versionId.trim() || typeof riskSignature !== 'string' || !riskSignature.trim()) {
+    throw new Error('xiaobao.ai.interpret requires payload.versionId and payload.riskSignature');
+  }
+  return { versionId: versionId.trim(), riskSignature: riskSignature.trim() };
+}