- Implement shouldUseGlobalDaemon() with multi-repo detection - Auto-detect 4+ beads repos and prefer global daemon - Support BEADS_PREFER_GLOBAL_DAEMON env var for explicit control - Add 'bd daemon --migrate-to-global' migration helper - Update auto-start logic to use global daemon when appropriate - Update documentation in AGENTS.md and README.md Amp-Thread-ID: https://ampcode.com/threads/T-9af9372d-f3f3-4698-920d-e5ad1486d849 Co-authored-by: Amp <amp@ampcode.com>