{'where': 'local gemma4:e2b', 'seconds': 0.87, 'prompt_tokens': 169, 'output_tokens': 28, 'answer': 'Database migrations are not rolled back, and if the release you leave ran a migration, you must write a new migration that reverses it.'} {'where': 'hosted gemini-3.8-flash', 'seconds': 2.79, 'prompt_tokens': 158, 'output_tokens': 9, 'thinking_tokens': 186, 'answer': 'No, database migrations are not rolled back.'}