RC19 Execution Checklist

R0 Scope Freeze

• [x] Freeze new feature intake
• [x] Assign owners for Tier A domains
• [x] Create issue labels (rc19, rc19-p0, rc19-p1) or track equivalently via release register in local-first workflow

R1 Full Inventory

• [x] Run ./scripts/release/gen_rc19_file_matrix.sh
• [x] Confirm matrix coverage = tracked file count
• [x] Fill owner for all Tier A rows

R2 Contract Audit

• [x] CCCS vs implementation review complete
• [x] IPC examples match current behavior/version
• [x] Daemon IPC op index fully documented (impl parity)
• [x] Automation/MCP contract parity checked

R3 Runtime Core Audit

• [x] Kernel state machine checks complete
• [x] Delivery/automation/inbox edge-cases reviewed
• [x] Permission boundaries reviewed

R4 Port & UX Audit

• [x] CLI/docs parity
• [x] MCP/docs parity
• [x] Web/docs parity
• [x] IM bridge docs/config parity

R5 Gate Upgrade

• [x] CI includes test execution gate
• [x] release workflow gate policy confirmed
• [x] RC19_GATES.md validated

R6 Fix Sprint

• [x] All P0 fixed
• [x] P1 triaged to fixed or accepted_risk
• [x] Findings register updated

R7 Docs Sync

• [x] README (EN/ZH/JA) synced to implementation
• [x] Reference/Guide/Standards synced
• [x] release assets prepared (CHANGELOG, notes, policy docs)

R8 Rehearsal

• [x] Rehearsal report written
• [x] Go/No-Go decision recorded

R9 Publish RC19

• [x] Version bump complete
• [ ] Tag + publish TestPyPI complete
• [ ] Install/upgrade verified from notes