Record owner-approved V2 portability choices (#281)
Preserve Phase 7 portability proposal with current decision gaps (#281)
Prepare canonical documentation destinations for 153
Publish implementation plan 153 navigation
docs: record completion of ADR integrity implementation batch
docs: record merged implementation and published ADR migration
docs: record policy acceptance and normalize ADR decision candidates
docs: propose ADR integrity and development exception contracts
docs: persist reviewed implementation plan for issue 133