- Code-level verification of SeatMapService + SeatSkuService
- Cross-review with BackendArchitect/FrontendDeveloper/SecurityEngineer reports
- Critical correction: ShopXO dec() atomic UPDATE is main oversell defense,
FOR UPDATE SKIP LOCKED is not needed for inventory deduction
- R2 updated P table: P1-R2 (full scan), P2-R2 (getSoldSeats missing),
P3-R2 (no delta polling), P4-R2 (inventory logic inconsistency)
- All 4 members vote C (dual parallel), consensus confirmed
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>