- Implement bd migrate command with detection, version checking, and cleanup - Update daemon to suggest bd migrate for version mismatches - Enhance CLI version warnings to recommend bd migrate - Add comprehensive tests for migration scenarios - Document migration workflow in QUICKSTART.md and AGENTS.md Completes bd-164 and epic bd-159 Amp-Thread-ID: https://ampcode.com/threads/T-34ea4682-8c48-44c2-8421-dc40f867773b Co-authored-by: Amp <amp@ampcode.com>