# Implementer Agent — Archive Recent Activity Q2 2026-05 (S25-S29 verbose)

> **Archived:** 2026-05-26 S32 em main proxy curate session (post-S31 RAG fix).
> **Scope:** 5 verbose Recent activity entries S25 Plan AB → S29 Plan B Chunk D — moved from MEMORY.md để giữ slim < 25KB threshold (was 38.4KB → target ~21KB).
> **Rule §6.5 compliance:** KHÔNG cắt narrative — full verbose entries preserved cho cross-session audit.
> **KEEP in MEMORY:** S32 startup (latest), S29 wrap (Plan CA + Plan B 5-spawn summary cumulative), S28 Layer A governance, S27 retrospective REFUSE analysis, S22 curate session lesson, S11 setup baseline. Patterns 1-19 + 12-bis + 16-bis foundation section preserved untouched.

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## Archive entries (FIFO chronological — earliest first)

### 2026-05-19 (S25, Plan AB Chunk A PASS)

Bug 1+2 fix Changelog visibility audit log UAT. Commit `cdfd542` 3 file +146/-95 LOC. **BE** `PurchaseEvaluationWorkflowService.cs` `ApplyReturnModeAsync` lines 215-378 refactor: Drafter early return (line 282-287) → if/else common path, `summary = "Trả về Người soạn thảo"` thay vì return early, SLA reset move bên trong else block 3 mode còn lại (Drafter có riêng `evaluation.SlaDeadline = null`). Single Changelog.Add() ở cuối hàm cover 4 mode uniform: `EntityType=Workflow + Action=Update + Summary=$"Trả lại ({modeName}): {summary}"` với modeName switch ("Người soạn thảo"/"1 Cấp"/"1 Bước"/"Người chỉ định"). `actorName` resolve qua `userManager.FindByIdAsync` mirror pattern existing line 660-667 (LogTransition helper). KHÔNG SaveChangesAsync mới — caller `TransitionAsync` line 100 đã có downstream save. **FE** 2 file `PeDetailTabs.tsx` × 2 app mirror exact: filter extend `if (l.summary?.includes('Trả lại')) return true` (Workflow entity) + `if (l.entityType === PE_ENTITY_HEADER && l.summary?.toLowerCase().includes('ngân sách')) return true` (Header entity new const = 1). Empty placeholder + comment 3-source rewrite (UAT 2026-05-08 + 2026-05-19 + bullet list 5 filter rule). Verify: BE build clean 0 err 2 pre-existing DocxRenderer warn (20.27s), fe-user 1907 modules 16.62s 0 TS err, fe-admin 1926 modules 6.98s 0 TS err. Test SKIP per UAT mode `feedback_uat_skip_verify` Phase 9 (111 baseline preserve). **NEW pattern observed (cumulative)**: `Changelog log common path refactor + FE filter substring summary discrimination`. Reusable cho future audit log derived state (vd Adjust*/Return*/Reset* action): refactor early return → if/else common path để single log call cover N branch, FE filter qua substring summary keyword chứ KHÔNG enum field strict (action verb tiếng Việt "Trả lại"/"ngân sách" dễ maintain hơn enum + cho FE flexibility filter mới mà không cần BE schema migrate). Cross-ref Pattern 4 `feedback_service_hook_vs_endpoint` (state X derived của action Y → log trong handler Y, KHÔNG endpoint /X riêng — Bug 2 ApplyReturnModeAsync log trong service hook KHÔNG endpoint /return-changelog rời). Pattern 5 mirror 2 app §3.9 applied 7th cumulative. Token ~12k. Diff: BE +83/-49 (refactor + new log block ~40 LOC), FE × 2 app +14/-6 each (filter + comment). KHÔNG ops git push (em main verify Reviewer rồi mới push).

### 2026-05-19 (S25 wrap — Plan AB Chunk A Case 1 + 6 follow-up plans em main solo)

Plan AB Chunk A spawn 1× ~12K Case 1 cookie-cutter mirror. BE refactor ApplyReturnModeAsync Drafter early return → common path (line 280-287 → if/else block) + single Changelog.Add() ở cuối hàm với modeName switch enum + actorName resolve via userManager.FindByIdAsync mirror LogTransitionAsync pattern. FE × 2 app HistoryTab filter relax (PE_ENTITY_HEADER=1 + summary contains 'ngân sách' for Bug 1 + Workflow summary contains 'Trả lại' for Bug 2). KHÔNG TS test (UAT mode skip). KHÔNG migration. KHÔNG endpoint. Commit cdfd542 3 file +146/-95 LOC PASS. **Em main solo từ Plan AC** (cross-stack reasoning + UAT iteration borderline scope — Implementer would REFUSE per criteria #4 tight coupling BE+FE same plan). AC capture pre-call Step/Level + add Approval row Reject branch + skipToFinal comment + FE Decision badge × 2 app. AC2 FE merge synthetic Reject + dedupe timestamp 5s bucket. AD drop phase badges + extractNextTargetHint regex parse. AE BE batch 9 Changelog.Add sites UserName preventive fix. AF FE userMap fallback từ embedded domain data PeDetailBundle. **Pattern 16 NEW** (cumulative S25): Preventive systemic batch fix khi audit phát hiện 9 sites cùng bug pattern — replace_all=true với context-aware key (UserId line + Summary line) — 1 pass cover N sites idempotent. **Pattern 17 NEW**: FE merge synthetic rows từ Changelog cho audit historical recovery — pattern reusable cho Contract V2 + Budget V2 audit visualization without DB write. **Pattern 18 NEW**: FE userMap fallback từ embedded domain data (drafter + approvals + approvalFlow + levelOpinions + departmentOpinions) — no extra API fetch cho historical name resolve.

### 2026-05-21 (S26 t1, Plan AG Chunk A+B+C PASS — Phase 1 PE List tree view 2-level)

UAT feedback bro Tra Sol "đám rừng" flat list → Outlook folder tree. **3 chunk cumulative 1 commit** `0bf6c7e` 2 file +346/-116 LOC = +115 LOC each. Mirror 2 app §3.9 IDENTICAL post-edit (SHA256 verify match `21001E90...`). Chunk A useMemo group nested: `ProjectGroup{projectId, projectName, goiThauList[], totalCount}` + `GoiThauGroup{displayName, normalizedKey, items[]}`. Normalize trim + toLowerCase group key, display raw đầu tiên trong group. Fallback "(Dự án đã xoá)" empty projectName + "(Chưa phân loại)" empty TenGoiThau. Sort vi locale 2 cấp A-Z. Filter pendingMe → DaGuiDuyet áp dụng TRƯỚC group (empty state đúng). Chunk B UI `<details>/<summary>` HTML native 2-level — fe-user no shadcn Accordion → native browser disclosure widget free. Tailwind v3 named groups `group/proj` + `group/gt` cho chevron rotation `group-open/proj:rotate-90`. `[&::-webkit-details-marker]:hidden` ẩn default disclosure triangle browser. 📁 + 📄 emoji icon inline + count badge `rounded-full bg-slate-200/100`. PE card content preserve nguyên (text + badge + date format + contractId hint — line 209-248 cũ). Chunk C localStorage persist Set<string> key `pe_list_expanded_groups`. Project key: `projectId or '__no_project__'`. Gói thầu key: `${projectId}::${normalizedGoiThau}`. Default empty Set (all collapse) — Outlook-style closed default. `try/catch` defensive cho localStorage (storage quota / private browsing). Header badge `pendingMe ? totalRowCount : list.data?.total` (replace `rows.length`). Empty state check `projectGroups.length === 0` (replace `rows.length === 0`). Import `useMemo, useState` từ 'react' (file pre-existing chỉ import từ tanstack). Build: fe-user PASS 0 TS err 1291.33 KB gzip 337.00 KB 1907 modules 16.05s; fe-admin PASS 0 TS err 1402.68 KB gzip 357.51 KB 1926 modules 6.86s. Pre-existing CSS @import warn + INEFFECTIVE_DYNAMIC_IMPORT realtime.ts unchanged. KHÔNG ops git push (em main verify Reviewer rồi push). Token ~16k (close to ~14k baseline Case 2 mirror 2 app). **Pattern 19 NEW**: HTML native `<details>/<summary>` + Tailwind named groups (`group/<name>`) + localStorage Set<string> persist cho hierarchical UI when no Accordion lib available. Free open/close state native browser (Space/Enter keyboard accessible) + 0 JS state per node + serialize/deserialize Set ↔ JSON array string. Tailwind v3 named groups syntax `group/proj` parent + `group-open/proj:rotate-90` child differs from default unnamed `group` + `group-open:rotate-90` — critical when nested groups cùng level cần distinct event scope. Reusable cho future tree views: Project explorer · Dept hierarchy · Permission tree · Workflow definition step list (vs HTML5 native vs shadcn vs JS library). Anti-pattern: nested same-name `group` would inherit parent state → both rotate sync. **Pattern 5 mirror 2 app §3.9 applied 8th cumulative S20-S26** (proven reliable IDENTICAL hash check sau edit batch — recommend tooling `git diff fe-admin/X fe-user/X` after every multi-file edit batch).

### 2026-05-22 (S27 Plan CA Chunk B — Move 4 master pages fe-admin → fe-user, Case 2 cookie-cutter)

Spec từ em main deterministic 100% (Investigator pre-verify fe-user parity DataTable/PageHeader/PermissionGuard/usePermission/6 shadcn ui/types/master.ts byte-identical). Execute parallel: 4 `Write` cho master pages + 1 `Edit` menuKeys.ts (+5 key Catalogs*) + 2 `Edit` App.tsx (import + route block). LOC delta `+962` (4 file 948 LOC mirror + 14 LOC App.tsx + menuKeys.ts). Verify SHA256 byte-identical 4 file: `C1760788...` / `BDF0529E...` / `68213D62...` / `6F482614...` all match admin source. `npm run build` fe-user PASS 0 TS err 1916 modules 14.14s (pre-existing CSS @import + chunk-size + INEFFECTIVE_DYNAMIC_IMPORT warn unchanged). Commit `06a441c` 6 file changed. **Pattern 16 NEW** — byte-identical mirror admin → user khi parity confirmed (memory `pattern_master_page_mirror.md`): copy nguyên file (KHÔNG modify), verify SHA256 post-write, regression-safe vì admin code đã UAT pass. **Token cost ~10k Case 2** (4 file mirror cookie-cutter, NO logic decision). KHÔNG push remote (Chunk A em main solo BE parallel chưa xong, Chunk C sidebar filter + Chunk D smoke verify defer). Tag schema S28: `[pattern, phase-9, frontend]` cho Pattern 16. **Gotcha S27**: PowerShell `$_` variable in `ForEach-Object` block bị Bash tool shell-escape eaten — workaround dùng `Get-FileHash file1, file2, ... -Algorithm SHA256 | Format-Table` list literal thay vì pipeline iterate.

### 2026-05-22 (S29 Plan B Chunk D PASS — FE ContractCreatePage V2 Workspace dropdown × 2 app cookie-cutter mirror PE)

Spec deterministic 100% từ em main reference `fe-user/src/components/pe/PeWorkspaceCreateView.tsx` (canonical V2 dropdown lines 80-89 useQuery + lines 152-172 Select UI). 2 file mirror × 2 app `fe-admin/fe-user/src/pages/contracts/ContractCreatePage.tsx`: +44 LOC each = +88 LOC total byte-similar (git diff stat verify). Changes: (1) `useState approvalWorkflowId = ''` mới + (2) `useQuery approval-workflows-v2-contract` filter ApplicableType=3 client-side filter isUserSelectable=true (mirror PE Mig 25 pattern Plan AA S24) + (3) `Select dropdown "Quy trình duyệt V2 (tùy chọn)"` placement giữa FormFields + Budget section, blank = V1 fallback hint "(đã add ContractHeaderForm function, KHÔNG add ContractEditForm function vì spec scope CreatePage workspace only - edit-mode update endpoint defer)" + (4) Wire `approvalWorkflowId: approvalWorkflowId || null` vào CreateContractCommand POST body. BE precondition verify: `CreateContractCommand` record line 17-36 ContractFeatures.cs đã có `Guid? ApprovalWorkflowId = null` field (em main commit Chunk E1 PRIOR — comment marker "[Plan B S29 2026-05-22 Chunk E1] Drafter pick V2 workflow lúc create"). FE wire safe — no DTO mismatch. Build verify: `npm --prefix fe-admin run build` PASS 0 TS err 1926 modules 1.40MB gzip 358KB 16.07s; `npm --prefix fe-user run build` PASS 0 TS err 1916 modules 1.32MB gzip 343KB 8.84s. Pre-existing CSS @import warn + INEFFECTIVE_DYNAMIC_IMPORT realtime.ts warn unchanged (baseline noise). **Pattern 16-bis 4-place mirror check applied:** (1) Page file × 2 app DONE byte-similar; (2) App.tsx Routes N/A (enhance existing `/contracts/new` route - không route mới); (3) menuKeys.ts N/A (không menu key mới — page enhancement); (4) Layout staticMap N/A (route unchanged). Token ~12k Case 2 cookie-cutter (4 Read PE source + 2 Edit per file × 2 = 4 Edit total + 2 npm build + 1 git commit + memory update). Commit `62b50d1` clean 2 file. KHÔNG push remote — em main coordinate Chunk E final batch. **Pattern 5 mirror 2 app §3.9 applied 9th cumulative S20-S29** (proven IDENTICAL bytes hash check sau edit batch — git diff stat confirm). **Pattern 12-bis cross-module FE cookie-cutter mirror** demonstrated: PE PeWorkspaceCreateView V2 dropdown → Contract ContractCreatePage V2 dropdown clean (same useQuery shape, same Select markup, same filter logic, same POST body wire) — discriminator field ApplicableType=3 swap from `defaultType` (PE 1/2). Reusable pattern future Budget V2 / any cross-module entity với V2 workflow integration. Tag: `[pattern, phase-9, frontend]`.
