feat: 引入 Loguru

app/main.py

@@ -4,13 +4,16 @@ import asyncio
 from contextlib import asynccontextmanager
 
 from fastapi import FastAPI
+from loguru import logger
 
 from app.api.agent import router
 from app.core.exceptions import register_exception_handlers
+from app.core.logging import setup_logging
 
 
 @asynccontextmanager
 async def lifespan(application: FastAPI):
+    setup_logging()
     from app.clients.decision import close_decision_engine
     from app.observability.tracing import flush_tracing
     from app.processor.graph import build_graph
@@ -24,7 +27,10 @@ async def lifespan(application: FastAPI):
         try:
             await close_decision_engine()
         finally:
-            await asyncio.to_thread(flush_tracing)
+            try:
+                await asyncio.to_thread(flush_tracing)
+            finally:
+                await logger.complete()
 
 
 def create_app() -> FastAPI: