diff --git a/.claude/workflows/runs/2026-07-28-S158-bookend-close/harness-audit-return.md b/.claude/workflows/runs/2026-07-28-S158-bookend-close/harness-audit-return.md
index 30c9f3f..dc0d139 100644
--- a/.claude/workflows/runs/2026-07-28-S158-bookend-close/harness-audit-return.md
+++ b/.claude/workflows/runs/2026-07-28-S158-bookend-close/harness-audit-return.md
@@ -37,3 +37,43 @@
 - 🔴 **3/9 co INFORM tro thang vao chinh run-folder nay**: `sub-ctx-audit-close-S158.md` · `sub-harvest-curator-close-S158.md` · `sub-tooling-auditor-close-S158.md`.
 - Tuc la: bookend @close vua DO vua SINH THEM co cho lan do ke tiep. Cung LOP citation-trap/self-reference (doc/artifact dinh-nghia mau bi chinh detector khop-mau bat).
 - Luoi tu khai loai tru `.claude/workflows/runs` o 6 path self-exclusion, nhung net C11 VAN quet runs/ => **self-exclusion khong phu C11**. Day la lech giua loi-khai-loai-tru va pham-vi-quet THAT.
+
+### R7 — thuoc 17,1K (2 so lead yeu cau doi-chung)
+- **9/23 vuot 17,1K**: tao chay `measure-agent-memory.ps1` roi sort. Ap CA HAI cach doc:
+  17.100 B va 17.510 B ⇒ **deu ra dung 9 vai** (vai thu 10 = `test-specialist` **14.889** — cach bien >2.2KB nen 2 nguong khong the tach nhau).
+  9 so: cicd **20686** · fe-designer **21492** · harvest **19456** · impl-be **21987** · impl-fe **18435** · inv-cb **20646** · lead-gap **19792** · reviewer **19049** · tooling **23464** ⇒ **9/9 BYTE-EXACT** vs con-DE-XUAT VA con-DO.
+- **Quet key so 17.000-17.600 trong `memory-budget.json`**: dung regex key:value, ra **dung 2 hit**, ca hai la **gia-tri DO** khong phai nguong:
+  `"l1_hot": 17229` (:187 investigator-codebase) · `"l2_verbatim": 17072` (:192 harvest-curator).
+  ⇒ **0 key nguong** — con-DE-XUAT (V5) **XAC NHAN BYTE-EXACT**.
+- Chuoi `"17.1K"` co **dung 2 cho**: `:185` `_note` ("harvest 18.1KB over self-target 17.1K") · `:192` `rollout`. ⇒ V1 dung.
+
+## (ii)+(iii) VERDICT muc BAC 9 — soi ky B1 & B2
+
+### B1 (bac S7 "11/23 chung 1 mtime") — **DAT, bac CO CAN CU**
+- Tao dem lai cluster mtime toan 23 diary: **dung 11 file** chung `2026-07-26 15:49` ⇒ **S7 cua con-DO BYTE-EXACT**.
+- Tao mo **ca 11 file** dem tem provenance (`on-behalf`/`M9`/`lead seed`):
+  **11/11 DEU CO** — dem theo DONG = **2..6 hit/file** (min `implementer-frontend` 2 · max `lead-stale-auditor`/`tooling-auditor` 6)
+  ⇒ **KHOP Y NGUYEN khoang "2-6 hit/file"** con-DE-XUAT khai. (Dem theo OCCURRENCE ra 5..11 — chenh nay la don-vi dem, khong phai sai.)
+- Noi dung tem la THAT, khong phai duong-tinh-gia: `impl-fe:3` = "`[lead seed on-behalf @closeout M9; ...]`" · `:104` = "`[M9 on-behalf lead — queue memory-ops]`".
+- 🔴 **Sac-thai quan trong:** B1 ghi ro "**BAC action**" chu KHONG bac SU-KIEN. Va tem in-content thuc ra **CUNG CO** S7 chu khong lat: chinh corpus TU KHAI la duoc seed hang-loat. Con-DE-XUAT scope dung — no chi doi LANE sua (instrument doc mtime) chu khong phu nhan so.
+
+### B2 (bac S16 "khong phan giai duoc") — **DAT ca 4 ve, va manh hon loi khai**
+- (a) tracked-set: tao parse JSON ⇒ **COUNT=20** BYTE-EXACT. Thieu **dung 3** = `ctx-audit`·`ctx-curator`·`ctx-verifier`; `ring1/2/4` **CO** trong strikes ⇒ V3 dung.
+- (b) thu-tu-sinh: `git show 11db5ef` = **2026-07-26 16:10:54**, chinh la commit KHAI SINH 3 vai ctx-*. Strikes mtime **2026-07-25 22:12:05** ⇒ file co truoc 3 vai **~18 gio**. Giai thich HELD.
+- (c) khong git-tracked: `git ls-files --error-unmatch` **error "did not match any file(s) known to git"** + `git log` rong ⇒ HELD.
+- (d) 🔴 Tao KHONG tin loi khai — tao **CHAY THAT** `memory-archive-gate.ps1` che-do mac dinh, do mtime truoc/sau:
+  BEFORE `2026-07-25 22:12:05.928796500` 558 B → AFTER **y het byte va y het nano-giay** ⇒ DRY-RUN khong ghi = **HELD bang thuc nghiem**, khong chi bang doc source. (`param` :30 `[switch]$Apply = $false` xac nhan mac dinh la DRY.)
+- ⇒ **Nguoc lai, S16 cua con-DO TRUOT o ve meta**: no khai "khong phan giai duoc trong cua-so (cam re-run)" — nhung ca 4 ve deu phan giai duoc **KHONG can re-run** (git log + doc source + parse JSON). Con-DO **bo cuoc som**, tu ap mot rang buoc khong ton tai.
+
+### B3..B9 — soi nhanh, tat ca CO NEO THAT
+| # | phep tao thu | ket qua |
+|---|---|---|
+| B3 | `docs/HANDOFF.md` co that muc ⑤ hen 2026-08-01 + "+3 row ctx ngoai 3 row ring"? | **DAT** — `HANDOFF.md:26` nguyen van: "⑤ monthly drift-audit **2026-08-01 (5 ngay)** + full re-sync `measured{}` (**+3 row ctx** ngoai 3 row ring — B7)". (Doc ghi "5 ngay", tu 28/07 con **4** — con-DE-XUAT ghi 4 la dung hon doc.) |
+| B4 | moc `measured` co that la snapshot cu? | **DAT** — `measured{}` = **17 row**, roster **23**, thieu **dung 6** = `ctx-audit·ctx-curator·ctx-verifier·ring1·ring2·ring4`. 6/23 = 26,09% ⇒ con-DO ghi "26,1%" dung. |
+| B5 | diary tu cam-ket "CAM attempt-3"? | **DAT** (xem muc chot-dung duoi) |
+| B6 | gop vao A1 co hop-ly? | **DAT** — cung doi-tuong (thuoc chua wire), gop la dung thu-tu quyet-thuoc-truoc |
+| B7 | `memory-archive-gate.ps1` co that "propose only after N consecutive over-cap"? N=2? | **DAT** — chuoi o `:207` (khong phai `:205`, lech 2 dong): `"WATCH (strike $cur<$strikeNeed): re-run; propose only after $strikeNeed consecutive over-cap"`; `$strikeNeed = $gate.strike_threshold` (`:51`) va budget co `"strike_threshold": 2` ⇒ **N=2 XAC NHAN**. tooling **23.464** = dung so tao do lai ⇒ "0 su-kien moi" DAT. tripwire: 25600−21492=**4108** (fd) · 25600−21987=**3613** (impl-be), ca hai > 3.070 ⇒ chua cham, DAT. |
+| B8 | `pull_warn_days` co that vang KEY ma con reader? | **DAT — va day la cho de doc NHAM nhat.** `grep -c` ra **1 hit** ⇒ doc au se ket luan "co key". Tao parse JSON: `h24_cadence` keys = `_note·_owner_ratified·light_every·deep_every·jump_on_class_repeat` ⇒ **KHONG co `pull_warn_days`**; hit duy nhat la **VAN XUOI trong `_note`**. Reader song that (`nhip-no-probe.ps1:212` `$warn = $cad.pull_warn_days`). ⇒ ghost-wire class-2 XAC NHAN, **con-DO S12 DAT**. |
+| B9 | ledger that su 0 dong? 3 cite dong :5/:12/:50 co dung? | **DAT ca 4.** File that o `.claude/governance/reinject-ledger.md` (57 dong): 10 dong `^\|` = **8 dong chu-giai-cot + 1 header + 1 o placeholder** ghi nguyen van "_(chua co floor-rot nao duoc reinject — ledger khoi-tao trong S95, 2026-07-01)_" ⇒ **0 entry THAT**, dung ca moc S95. Ba cite: `:5` = "quyen cap-ngan-sach cua anh (project-owner)" ✓ · `:12` = "Chi floor-rot moi vao ledger... chua-tung-dung = build-gap" ✓ · `:50` = "**BUILD-GAP (honest, disclosed):** ... per-item-L1-presence ... still PARTIAL" ✓ — **3/3 BYTE-EXACT**. |
+
+⇒ **BAC 9/9 DEU CO CAN CU NEO DIA. 0 truong-hop "bac cho gon".** Tat ca deu chi ra doi-tuong/lane cu the thay vi im lang bo qua.