[CLAUDE] Docs: bookend @close S185 ONE-SHOT (YC-018) — trio+H24deep+ring1/2+ctx 9-vai mot-mach, harvest 698KB->11 so, 16-FLAG patched, Tests canonical 668

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

.claude/agent-memory/implementer-backend/archive/2026-07.md

@@ -14,3 +14,6 @@
 
 - **2026-07-12 (S112 PE sign-off close-review implement — `wf_7df56b89-7bb` GO-WITH-ADJ, owner anh Kiệt PROD-UAT-live, 4-region/1 file `PurchaseEvaluationWorkflowService.cs`, NO mig/FE/test → ACCEPT Case 1):** **C1 A1 (`ApplyDrafterBypassOnSubmitAsync`):** người soạn KÝ TAY ô cấp mình — `k=Max`→`minOwn=Min(drafterSlots.Order)`, bypass `<=k`→`<minOwn` (chỉ NV cấp dưới THUẦN), XÓA canned-opinion UPSERT (không tự ký hộ ai) + dead `maxLevelOrder`/`ownSlot`; advance 3-nhánh→1 `if(minOwn>1){pointer=minOwn}` STOP tại minOwn (người soạn tự ApproveV2Async); minOwn=1→bypass rỗng pointer giữ (0,1); non-contiguous Cấp1+Cấp3 ký tay đúng thứ tự. **C2 EDGE-5 hard-lock:** top `TransitionAsync` sau isAdmin/isSystem TRƯỚC mọi branch → `if(fromPhase is DaDuyet or TuChoi && !isAdmin && !isSystem) throw Conflict` (chặn non-admin lật phiếu terminal; Admin+System MIỄN); KHÔNG đụng EnsureCanRejectV2Async. **C3** no self-finalize (owner oQ1 permission-driven). **C4 opinion-history (`ApproveV2Async` UPSERT else):** old.Comment→Changelog (Workflow/Update/EntityId=level.Id) TRƯỚC overwrite chỉ khi non-empty — NO mig/bảng/endpoint. Build slnx **0/0**. Infra **4 FAIL/401 pass**: fail=C1 (PeSubmitGuardAndBypassTests 9/10/12/14 assert OLD auto-sign/terminal-on-submit); C2/C4 break 0 test → test-specialist ADD. LESSON: behavior-change write-site → run consumer tests, hand VERIFIED fail-list (KHÔNG sửa test). Tag `[s112, pe-signoff, a1-sign-own-level, edge5-hardlock, opinion-history-changelog, consumer-test-verified-handoff]`.
 - **2026-07-12 (S112 Supplier Excel-import Phase B BE — `wf_e2f23a84` invest-ensemble → `wf_75d6149b` close-review GO-WITH-ADJ, owner anh Kiệt, commit `e100ef0`, Mig 63 → ACCEPT Case 1/2):** **Service** `SupplierExcelImportService` (preview + confirm 2-stage) + 2 endpoint (`/suppliers/import/preview` [415 non-xlsx] · `/suppliers/import/confirm` [401 auth]) + **Mig 63 `AddSupplierImportSourceFields`** (Supplier +`SourceUpdatedAt datetime2?`+`SourceUpdatedBy nvarchar(200)?` provenance cột 29/30; 2 AddColumn nullable no-new-table 89). FE 2-app byte-identical (`SupplierImportDialog`). **LESSONS:** (1) dedup Code = **OrdinalIgnoreCase ở SERVICE** — DB unique-index CI-collation lật (SQLite fixture BINARY KHÔNG bắt, prod SQL Server CI bắt) → dedup KHÔNG dựa DB; (2) parser **absolute cell-index** (row-4 header-fingerprint), KHÔNG `CellsUsed()` (column-drift); (3) **all-or-nothing** gate TRƯỚC mutate (1 hard-error→Committed=false DB unchanged); (4) fill-nulls **SKIP Code/Name/Type** (chỉ điền field trống); (5) `.Normalize(FormC)` cho real-file NFD (close-review adjust bake 30 `RealFileHeaderTokens` byte-verify). **SURPRISE:** Approach-B (extend seed) ĐÃ ship 4 NCC prod (Mig 62) → spec "partial" SAI; import ghi entity **TRỰC TIẾP** (fill-where-non-empty) KHÔNG qua `UpdateSupplierCommand` (tránh NULL-clobber #73). Shipped Run #496 PASS, reviewer GO-WITH-ADJ (BE 6/6 axes). Tag `[s112, supplier-excel-import, mig63, ordinalignorecase-dedup-at-service, abs-cell-index-parser, all-or-nothing, fill-nulls-safe, normalize-formc-nfd, direct-entity-write]`.
+
+## @S152 R1 retention-note [moved-not-cut @S185 refine-A1, verbatim]
+- **Integration testing multiple components = việc `test-specialist`, KHÔNG phải mình** — mình scaffold + compile-check; assertion/integration test cross-component (SQLite fixture, authz regression) do test-specialist own (tiền lệ S67 HRM test-after +23, S69 +20 đều test-specialist). Nhận viết integration test = double-touch tests/ sai split. Tag `[s152, r1-retention, refuse-integration-testing-components]`