You tell your agent to use tabs instead of spaces. It fixes the file. Ten minutes and four prompts later, you glance at a new component and there they are again — two spaces, indenting quietly like you never said a word. You didn’t imagine the first fix. The model just forgot it happened, …

You ask your local agent to write an Express route that aggregates monthly sign-ups, and it hands back a query filtering on users.created_date. Your column is created_at. The agent didn’t get this wrong out of carelessness — it never saw your database. It guessed at a plausible schema because …