diff --git a/.claude/sessions/session-11/_snapshot-1.md b/.claude/sessions/session-11/_snapshot-1.md
new file mode 100644
index 0000000..efb2e43
--- /dev/null
+++ b/.claude/sessions/session-11/_snapshot-1.md
@@ -0,0 +1,32 @@
+# _snapshot-1 — SESSION-MODEL checkpoint (sID 11)
+
+ts: 2026-08-06T16:55:38+07:00
+head-sha: ca9208f68628ca0a6bd21ea85074402c8572430a
+head-subject: [CLAUDE] FE-Admin: KHKK bo khung o nhap tren dong da co, giu khung dong them (FE-only, 0-mig)
+head-ts: 2026-08-06T16:55:38+07:00
+label: Chot cua-so UAT KHKK — 6 dot ship + 6/6 deploy VERIFIED, Mig 72 ap prod, test 644->645
+snapshot-ordinal: 1
+
+## essence (≤3 dòng — chốt cái CHƯA nằm file)
+
+- 6/6 dot deploy da VERIFY xong NGAY TAI cua dung (dot-6 kip ve truoc khi chot) ⇒ **khong con viec UAT do**; viec ke tiep la SUA-1, khong phai verify not.
+- Nghi-thuc verify cua cua-so nay da cung lai 3 tang va nen giu: bundle-hash → byte-level local↔prod KEM CONTROL DUONG → grep DLL/sqlcmd khi cham BE. 4 phep do hong trong phien deu duoc CONTROL DUONG cuu.
+- Doi STYLE 3 vai van CHET CAM suot 6 dot (12 file dung dia-phan, 0 con duoc goi, 0 dong SKIP-CO-KHAI) — day la bang-chung dat nhat cho SUA-1.
+
+## machine-block
+
+```json
+{
+  "session": 11,
+  "anchor": {
+    "subject": "[CLAUDE] FE-Admin: KHKK bo khung o nhap tren dong da co, giu khung dong them (FE-only, 0-mig)",
+    "ts": "2026-08-06T16:55:38+07:00"
+  },
+  "anchor_from_fallback_since": false,
+  "changed_files": [],
+  "changed_count": 0,
+  "run_id": "wf_264fb5c2-0db"
+}
+```
+
+> 🔴 `changed_count = 0` KHONG phai "khong lam gi": anchor CHINH LA HEAD (cua-so commit 6 lan, lan cuoi la anchor) ⇒ `git diff anchor..HEAD` rong theo dinh-nghia. Bang file that doc o 6 commit san-pham.