feat: 异步沉淀主题摘要和成长档案

ai_knowledge_base_v2/apps/backend/app/main.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import asyncio
 from contextlib import asynccontextmanager
 
 from fastapi import FastAPI
@@ -13,7 +14,7 @@ from app.core.observability import RequestObservabilityMiddleware, configure_log
 from app.services.secret_service import SecretService
 from app.services.maintenance_service import MaintenanceService
 from app.services.periodic_report_worker import PeriodicReportWorker
-import asyncio
+from app.services.topic_settlement_worker import TopicSettlementWorker
 
 
 @asynccontextmanager
@@ -24,12 +25,13 @@ async def lifespan(app: FastAPI):
         create_tables()
     maintenance_task = asyncio.create_task(MaintenanceService.run_forever())
     periodic_report_task = asyncio.create_task(PeriodicReportWorker.run_forever())
+    topic_settlement_task = asyncio.create_task(TopicSettlementWorker.run_forever())
     try:
         yield
     finally:
-        for task in (maintenance_task, periodic_report_task):
+        for task in (maintenance_task, periodic_report_task, topic_settlement_task):
             task.cancel()
-        for task in (maintenance_task, periodic_report_task):
+        for task in (maintenance_task, periodic_report_task, topic_settlement_task):
             try:
                 await task
             except asyncio.CancelledError: