- Backlog::BoardResolver with injected config read/write; Cards does no filesystem I/O
- board_id honored only for planka: trackers; id hit validated against returned board
name; 404/mismatch/cache failure degrades to name lookup and rewrites the cache
- comment-preserving Config.set mirrors os-status's writer (Config.merge not used)
- FakePlankaClient boards.get 404 support; 14 new tests; suite 90 runs / 0 failures
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CLeMz48rvG3s9XpAsDxeho
jared