Claude Code: Fix Starlette middleware import - BaseMiddleware -> BaseHTTPMiddleware

app.py

@@ -2,7 +2,7 @@ import os
 import logging
 import traceback
 from fastapi import FastAPI, Request
-from starlette.middleware.base import BaseMiddleware
+from starlette.middleware.base import BaseHTTPMiddleware
 from datetime import datetime
 from fastapi.responses import JSONResponse
 from pydantic import BaseModel
@@ -30,7 +30,7 @@ STARTUP_MODE = os.environ.get("STARTUP_MODE", "minimal")
 app = FastAPI()
 
 
-class LoggingMiddleware(BaseMiddleware):
+class LoggingMiddleware(BaseHTTPMiddleware):
     """Middleware to log all requests and capture full tracebacks on errors."""
 
     async def dispatch(self, request: Request, call_next):