feat: refactor imports and clean up code formatting across multiple files

backend/app/core/agent_auth.py

@@ -1,10 +1,10 @@
 from __future__ import annotations
 
+import logging
 from dataclasses import dataclass
 from typing import Literal
 
 from fastapi import Depends, Header, HTTPException, Request, status
-import logging
 from sqlmodel import Session, col, select
 
 from app.core.agent_tokens import verify_agent_token