# Phase 0 — Gates Sign-Off Checklist

**Programa:** Work Orders Board  
**Fase:** 0 — Domain Foundation + Governança

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## 9 Gates bloqueantes

| # | Gate | Artefato | Status |
|---|------|----------|--------|
| 1 | DAR aprovado | [dar-domain-architecture-review.md](dar-domain-architecture-review.md) | Documentado |
| 2 | Data Ownership Model | [data-ownership-model.md](data-ownership-model.md) | Documentado |
| 3 | Field Ownership Matrix | [field-ownership-matrix.md](field-ownership-matrix.md) | Documentado |
| 4 | Audit Event Contract | [audit-event-contract.md](audit-event-contract.md) | Implementado baseline |
| 5 | Volume Discovery | [volume-discovery-report.md](volume-discovery-report.md) | Queries prontas; tier S provisório |
| 6 | Database drift | [database-drift-report.md](database-drift-report.md) | Documentado |
| 7 | Spike vendor/dispatch | [adr-vendor-source-of-truth.md](adr-vendor-source-of-truth.md) | ADR + query |
| 8 | Migration dry-run | [migration-dry-run-report.md](migration-dry-run-report.md) | Procedimento pronto |
| 9 | RowVersion multi-agregado | WO + Dispatch + ConcurrencyExceptionFilter | Implementado |

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## Implementação código (Fase 0)

- Migration `Phase0_DomainFoundation`
- Enums: LifecycleStatus, WorkOrderType, DocStatus, AuditEventType, etc.
- `IWorkOrderAuditService`, `IWorkOrderFieldLockService`, `ISyncFieldMergePolicy`
- `[Authorize]` reativado em WorkOrderController
- Projeto `SeaHavenIndustries.Tests`

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## GO Fase 1 — pendente

- [ ] Sign-off CTO/PO nos artefatos
- [ ] Dry-run staging executado
- [ ] Volume tier confirmado em staging/prod
- [ ] Smoke checklist verde

**Assinatura GO Fase 1**

| Papel | Nome | Data |
|-------|------|------|
| CTO | | |
| PO | | |