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

backend/app/services/retouch_service.py

@@ -80,7 +80,9 @@ def generate_retouch_prompt(vehicle_info: dict[str, Any] | None = None) -> str:
         if make and model:
             parts.append(f"The vehicle is a {make} {model}.")
         if color:
-            parts.append(f"The vehicle color is {color}; ensure it looks accurate and rich.")
+            parts.append(
+                f"The vehicle color is {color}; ensure it looks accurate and rich."
+            )
         return " ".join(parts)
 
     return base_prompt
@@ -98,7 +100,9 @@ async def upload_retouch_file(
     Raises ValueError for invalid MIME type or file size.
     """
     if not validate_mime_type(mime_type):
-        raise ValueError(f"Invalid MIME type: {mime_type}. Only image/* types are allowed.")
+        raise ValueError(
+            f"Invalid MIME type: {mime_type}. Only image/* types are allowed."
+        )
 
     if not validate_file_size(len(file_bytes)):
         raise ValueError(f"File size exceeds limit of {settings.MAX_FILE_SIZE_MB} MB")
@@ -151,7 +155,11 @@ async def list_results(
     total = total_result.scalar_one()
 
     offset = (page - 1) * page_size
-    data_stmt = data_stmt.order_by(RetouchResult.created_at.desc()).offset(offset).limit(page_size)
+    data_stmt = (
+        data_stmt.order_by(RetouchResult.created_at.desc())
+        .offset(offset)
+        .limit(page_size)
+    )
     result = await db.execute(data_stmt)
     items = list(result.scalars().all())