add FastApi实时性能监控

app/factory.py

@@ -2,6 +2,7 @@ from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
 from app.core.config import settings
+from app.monitoring import setup_prometheus_metrics
 from app.startup.lifecycle import lifespan
 
 
@@ -24,6 +25,9 @@ def create_app() -> FastAPI:
         allow_headers=["*"],
     )
 
+    # 设置性能监控
+    setup_prometheus_metrics(_app)
+
     return _app