Create SUMMARY.md documenting completed plan 04-01: job deactivation form with required reason field, ownership validation, and dashboard integration. Update STATE.md to reflect Phase 4 Plan 1 completion (12 plans total, 48% progress). Update ROADMAP.md to mark 04-01 as complete.
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
