fix: ruff lint + format fixes in tests, ESLint fixes in frontend

backend/app/dependencies.py

@@ -1,5 +1,4 @@
-"""FastAPI dependencies: pagination, current user extraction, RBAC role enforcement.
-"""
+"""FastAPI dependencies: pagination, current user extraction, RBAC role enforcement."""
 
 import uuid
 from typing import Optional
@@ -35,7 +34,12 @@ async def get_current_user(
     if credentials is None:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail={"error": {"code": "UNAUTHORIZED", "message": "Missing authentication token"}},
+            detail={
+                "error": {
+                    "code": "UNAUTHORIZED",
+                    "message": "Missing authentication token",
+                }
+            },
         )
 
     token = credentials.credentials
@@ -43,14 +47,21 @@ async def get_current_user(
     if payload is None:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail={"error": {"code": "INVALID_TOKEN", "message": "Invalid or expired access token"}},
+            detail={
+                "error": {
+                    "code": "INVALID_TOKEN",
+                    "message": "Invalid or expired access token",
+                }
+            },
         )
 
     user_id_str = payload.get("sub")
     if not user_id_str:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail={"error": {"code": "INVALID_TOKEN", "message": "Token missing subject"}},
+            detail={
+                "error": {"code": "INVALID_TOKEN", "message": "Token missing subject"}
+            },
         )
 
     try:
@@ -58,7 +69,12 @@ async def get_current_user(
     except (ValueError, TypeError):
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail={"error": {"code": "INVALID_TOKEN", "message": "Invalid user ID in token"}},
+            detail={
+                "error": {
+                    "code": "INVALID_TOKEN",
+                    "message": "Invalid user ID in token",
+                }
+            },
         )
 
     user = await get_user_by_id(db, user_uuid)
@@ -71,7 +87,12 @@ async def get_current_user(
     if not user.is_active:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail={"error": {"code": "ACCOUNT_DISABLED", "message": "Account is deactivated"}},
+            detail={
+                "error": {
+                    "code": "ACCOUNT_DISABLED",
+                    "message": "Account is deactivated",
+                }
+            },
         )
 
     return user
@@ -87,7 +108,9 @@ def require_role(allowed_roles: list[str]):
     """
 
     async def role_checker(user: User = Depends(get_current_user)) -> User:
-        user_role = user.role.value if isinstance(user.role, UserRole) else str(user.role)
+        user_role = (
+            user.role.value if isinstance(user.role, UserRole) else str(user.role)
+        )
         if user_role not in allowed_roles:
             raise HTTPException(
                 status_code=status.HTTP_403_FORBIDDEN,