chore: add .material->.base refactor check comments

Co-authored-by: aider (openai/DeepSeek-V3.2-Thinking) <aider@aider.chat>

inventory-backend/app/services/trans_service.py

@@ -1,4 +1,4 @@
-import uuid
+import uuid  # .material -> .base refactor checked
 from datetime import datetime
 from app.extensions import db
 from app.models.transaction import TransBorrow
@@ -182,4 +182,4 @@ class TransService:
             'total': pagination.total,
             'page': page,
             'limit': limit
-        }
+        }