Update app/models/code_file.py

app/models/code_file.py

@@ -1,7 +1,7 @@
 from sqlalchemy import Column, Integer, String, Text, ForeignKey, DateTime, Index
 from sqlalchemy.orm import relationship
 from sqlalchemy.sql import func
-from app.database import Base
+from app.core.database import Base
 
 class CodeFile(Base):
     """Store full file contents for complete AI context"""