Update progress documents to reflect production readiness work completion.
Changes:
- 00-STATUS.md: Added PHASE 16 (Production Readiness) to phase table
- 01-CHANGELOG-WORK.md: Added production readiness section with runbook and TODO scan details
- Updated last updated dates to reflect completion
Production Readiness Status:
- Runbook: Complete with full mechanical checklist
- TODO Scan: Enhanced with core/docs split (0 core TODOs)
- Verification: All key anchors verified
- Status: Ready for production readiness verification