fix: Extract user name in session context for improved performance

app/services/extraction.py

@@ -75,6 +75,9 @@ class ExtractionService:
                 msg = f"User {user_id} not found"
                 raise ValueError(msg)
 
+            # Extract user name immediately while in session context
+            user_name = user.name
+
             # Create the extraction record without service detection for fast response
             extraction_data = {
                 "url": url,
@@ -101,7 +104,7 @@ class ExtractionService:
                 "error": extraction.error,
                 "sound_id": extraction.sound_id,
                 "user_id": extraction.user_id,
-                "user_name": user.name,
+                "user_name": user_name,
                 "created_at": extraction.created_at.isoformat(),
                 "updated_at": extraction.updated_at.isoformat(),
             }