- Domain/Contracts/ContractLevelOpinion.cs (NEW entity mirror PE — AuditableEntity, 4 field core + 2 nav)
- Domain/Contracts/Contract.cs (+LevelOpinions nav collection)
- Migrations/20260522052240_AddContractLevelOpinions.cs (3-file rule: .cs + .Designer.cs + Snapshot)
- Configurations/ContractLevelOpinionConfiguration.cs (NEW separate file, mirror PE pattern)
- IApplicationDbContext.cs + ApplicationDbContext.cs (+DbSet<ContractLevelOpinion>)
UNIQUE composite (ContractId, ApprovalWorkflowLevelId) — 1 row per HĐ × Level.
FK Cascade Contract + Restrict ApprovalWorkflowLevel.
SignedByUserId KHÔNG nav (denorm SignedByFullName tránh cascade khi xoá user).
Mirror PE Mig 26 pattern (S19 2026-05-09) EXACT — UPSERT row khi Approver duyệt qua
Service ApproveV2Async (Plan B Chunk B em main 138469d đã có TODO marker).
Em main sẽ add UPSERT block sau Chunk C done (Chunk D).
Verify:
- dotnet build PASS 0 err (2 pre-existing warn DocxRenderer unrelated)
- dotnet ef database update PASS (Mig 33 applied SolutionErp_Dev + _Design)
- dotnet test 111/111 PASS (58 Domain + 53 Infra — no regression)
Plan B chain (6 chunks):
- A1 58898e8✅ ContractApprovalWorkflowV2 entity scaffold
- A2 a85e437✅ Contract.ApprovalWorkflowId + ContractConfiguration FK
- B 138469d✅ ContractWorkflowService ApproveV2Async skeleton + TODO LevelOpinion UPSERT
- C (this) ✅ ContractLevelOpinions entity + Mig 33 + config + DbSet
- D FE Workspace V2 (Implementer, pending)
- E FE Section 5 V2 (Implementer, pending)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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