fix callback style

app/user/api/routers/v1/auth.py

@@ -15,7 +15,6 @@ from app.user.dependencies import get_current_user
 from app.user.models import User
 from app.user.schemas.user_schema import (
     AccessTokenResponse,
-    KakaoCallbackRequest,
     KakaoLoginResponse,
     LoginResponse,
     RefreshTokenRequest,
@@ -43,7 +42,7 @@ async def kakao_login() -> KakaoLoginResponse:
     return KakaoLoginResponse(auth_url=auth_url)
 
 
-@router.post(
+@router.get(
     "/kakao/callback",
     response_model=LoginResponse,
     summary="카카오 로그인 콜백",
@@ -51,7 +50,7 @@ async def kakao_login() -> KakaoLoginResponse:
 )
 async def kakao_callback(
     request: Request,
-    body: KakaoCallbackRequest,
+    code: str,
     session: AsyncSession = Depends(get_session),
     user_agent: Optional[str] = Header(None, alias="User-Agent"),
 ) -> LoginResponse:
@@ -72,7 +71,7 @@ async def kakao_callback(
         ip_address = forwarded_for.split(",")[0].strip()
 
     return await auth_service.kakao_login(
-        code=body.code,
+        code=code,
         session=session,
         user_agent=user_agent,
         ip_address=ip_address,