fix(types): correct rate_limit_exceeded_handler return type

Change return type from dict[str, str] to dict[str, Any] to match
the nested dictionary structure containing Collection types.

Adds typing.Any import to support the corrected type annotation.
EOF
)

Author: Sakeeb91

app/security/rate_limiting.py

@@ -7,6 +7,8 @@
 - Rate limit exceeded handling
 """
 
+from typing import Any
+
 from fastapi import FastAPI, Request
 from slowapi import Limiter, _rate_limit_exceeded_handler
 from slowapi.errors import RateLimitExceeded
@@ -89,7 +91,7 @@ def setup_rate_limiting(app: FastAPI) -> None:
 # Custom rate limit exceeded handler with logging
 async def rate_limit_exceeded_handler(
     request: Request, exc: RateLimitExceeded
-) -> dict[str, str]:
+) -> dict[str, Any]:
     """
     Custom handler for rate limit exceeded errors.