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

backend/app/utils/copilot_actions.py

@@ -73,7 +73,9 @@ async def _search_contacts(db: AsyncSession, params: dict[str, Any]) -> dict[str
     }
 
 
-async def _get_sale_overview(db: AsyncSession, params: dict[str, Any]) -> dict[str, Any]:
+async def _get_sale_overview(
+    db: AsyncSession, params: dict[str, Any]
+) -> dict[str, Any]:
     """Get an overview of sales, optionally filtered by status or date range."""
     from app.models.sale import Sale
     from sqlalchemy import func, select
@@ -93,7 +95,9 @@ async def _get_sale_overview(db: AsyncSession, params: dict[str, Any]) -> dict[s
     total = total_result.scalar_one()
 
     offset = (page - 1) * page_size
-    data_stmt = data_stmt.offset(offset).limit(page_size).order_by(Sale.created_at.desc())
+    data_stmt = (
+        data_stmt.offset(offset).limit(page_size).order_by(Sale.created_at.desc())
+    )
     result = await db.execute(data_stmt)
     sales = list(result.scalars().all())
 
@@ -110,7 +114,9 @@ async def _create_vehicle(db: AsyncSession, params: dict[str, Any]) -> dict[str,
     required = ["make", "model", "fin", "price", "vehicle_type"]
     missing = [f for f in required if not params.get(f)]
     if missing:
-        raise ValueError(f"Missing required fields for create_vehicle: {', '.join(missing)}")
+        raise ValueError(
+            f"Missing required fields for create_vehicle: {', '.join(missing)}"
+        )
 
     vehicle = await vehicle_service.create_vehicle(db, params)
     return vehicle.to_dict()
@@ -121,7 +127,9 @@ async def _create_contact(db: AsyncSession, params: dict[str, Any]) -> dict[str,
     required = ["company_name", "role"]
     missing = [f for f in required if not params.get(f)]
     if missing:
-        raise ValueError(f"Missing required fields for create_contact: {', '.join(missing)}")
+        raise ValueError(
+            f"Missing required fields for create_contact: {', '.join(missing)}"
+        )
 
     if "address_country" not in params:
         params["address_country"] = "DE"
@@ -193,7 +201,9 @@ def get_available_actions() -> list[dict[str, Any]]:
     ]
 
 
-async def execute_action(db: AsyncSession, action_type: str, params: dict[str, Any]) -> Any:
+async def execute_action(
+    db: AsyncSession, action_type: str, params: dict[str, Any]
+) -> Any:
     """Execute a registered action by type.
 
     Raises ValueError if the action type is not registered.