Added ResolveBeadsDir() helper that follows .beads/redirect files, enabling crew workers and polecats to properly access shared beads. Updated callers: - mailbox.go: NewMailboxFromAddress follows redirect - catalog.go: LoadCatalog follows redirect at all levels - doctor checks: beads_check, patrol_check, wisp_check follow redirect Also added comprehensive tests for the redirect resolution logic. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>