All 4 ACs verified, 7 tests pass, ruff clean. No issues found. Story status updated to done; no new deferred items. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Fix ruff import-boundary enforcement: replace stray TID252 ignore with proper TID251 banned-api rule so `planemapper.main` cannot import from `planemapper.provisioning.*`. Add deferred-work.md. Advance sprint status 1-1 → done. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>