implement ai fix suggestions

Author: kingMonkeh

backend/python/app/dependencies/auth.py

@@ -128,7 +128,7 @@ def check_email(access_token: str = Depends(get_access_token)) -> bool:
 
 
 # Common authorization dependencies
-require_driver = require_authorization_by_role({"Driver"})
+require_driver = require_authorization_by_role({"driver"})
 
 
 def get_current_user_id(access_token: str = Depends(get_access_token)) -> str:

backend/python/app/services/implementations/auth_service.py

@@ -153,7 +153,7 @@ def send_email_verification_link(self, email: str) -> None:
             raise e
 
     async def is_authorized_by_role(
-        self, _session: AsyncSession, access_token: str, _roles: set[str]
+        self, _session: AsyncSession, access_token: str, roles: set[str]
     ) -> bool:
         try:
             decoded_id_token = firebase_admin.auth.verify_id_token(
@@ -166,7 +166,7 @@ async def is_authorized_by_role(
                 )
                 return False
             # Allow if role is in the authorized set
-            return user_role in _roles
+            return user_role in roles
         except Exception as e:
             self.logger.error(f"Authorization failed: {type(e).__name__}: {e!s}")
             return False

backend/python/migrations/versions/01f342ea9ad6_add_cascade_delete_to_driver_and_admin.py

@@ -6,8 +6,6 @@
 
 """
 from alembic import op
-import sqlalchemy as sa
-from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
 revision = '01f342ea9ad6'