[CLAUDE] Docs: S159-S160 closeout arc-2 "Tong quan quy trinh" - STATUS/HANDOFF arc-2 + gotcha #84 revoker-2-chieu + session-log + tick S160

- STATUS CURRENT: +arc-2 5 dot (bo ten 4-GD chot + rui-ro-co-y-thuc verbatim + revoker) + baseline moi (menu 142, bundle D0sXA0fe/Y6dW_5CM, gate 562) + bo claim "0 prod-code" + Gotchas row 84
- HANDOFF: khoi ARC-2 + risk verbatim + luat khong-SQL-tay-cho-menu + va stale _mind 37,9->69,2%
- gotchas: +#84 revoker-2-chieu (data tay prod bi code-path ungated @restart dao nguoc im lang; khuon 3-chan-kieng; lien-quan #75/#76/#82)
- session-log S159: 2 nua phien + 5 dot arc-2 + errata + PARK + chot dau viec (anh @S160, 7 slot treo)
- counter: tick S160 CLEAN 33->34
(spec KHKK note W1 + diary designer/cicd + _tiep-1 da vao wal-flush 57a4155 theo 4-path hook)

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

.claude/governance/.session-counter.json

@@ -11,10 +11,10 @@
                   },
     "_tick_invariant_note":  "Tick invariant (hub dede7ec5 Delta-1, verbatim): moi LAN-CHOT +1; mot cap dung-noi tang DUNG +1, khong +2, khong +0. SE form = tick-at-entry-gate idempotent-per-label (hub Delta-2 recovery-gate +1 = permitted form) - NET +1/session-label EQUIV hub +1/cap on CLOSED pairs; an OPEN pair is transiently +0 until its entry gate fires (hub blessed, 9a35405b block-1 phep dung-noi). Guard song-con = label-convention (session-start 2.1.8: new conversation = new S\u003cnn\u003e label, NEVER reuse). history[] is append-unbounded BY DESIGN =\u003e absence of a marker = never-happened (safe semantics); IF a FIFO cap is ever added, eviction MUST be handled explicitly (absence-vi-bi-day != absence-vi-chua-xay-ra - log-BOUNDED design-note dede7ec5).",
     "_seed_honesty":  "Seeded UNTICKED on purpose. counter=0 and last_ticked_* = null mean \u0027no tick has ever happened\u0027, which is the truth at S121 - the ritual that performs the tick lands in W3. Seeding a fake first tick here would make the very first cadence reading a lie, and H24 exists to catch exactly that kind of invented number.",
-    "counter":  33,
-    "last_ticked_session":  "S159",
-    "last_ticked_head":  "bbc39be3abf80285ca11a665a574427bdb2d602c",
-    "last_ticked_at":  "2026-07-28",
+    "counter":  34,
+    "last_ticked_session":  "S160",
+    "last_ticked_head":  "febe6b1696b834d7b3922866ddcea25768952c08",
+    "last_ticked_at":  "2026-07-29",
     "last_audit":  {
                        "light_at_counter":  27,
                        "deep_at_counter":  25,
@@ -171,6 +171,11 @@
                         "at": "2026-07-28",
                         "session": "S159",
                         "event": "squash-benign (session-counter-tick.ps1 M2, contract fail_loud_on_regress trigger-2 BENIGN branch): counter 32->33, session S158->S159, head 6c263dd->bbc39be. last_ticked_head 6c263dd object EXISTS (cat-file=commit) but NOT reachable (merge-base --is-ancestor exit!=0), counter not regressed => a closeout squash lifted the ticked wal:/session commit out of history (expected drift, not tamper). Trace appended, continue, no owner alarm. Written atomically (temp + Move-Item -Force)."
+                    },
+                    {
+                        "at": "2026-07-29",
+                        "session": "S160",
+                        "event": "CLEAN tick (session-counter-tick.ps1 M2): counter 33->34, session S159->S160, head bbc39be->febe6b1. Classify-before-tick: no regression (n=160 >= stored n=159); last_ticked_head reachable (merge-base --is-ancestor exit 0). 4 fields updated, 1 history entry appended, written atomically (temp + Move-Item -Force)."
                     }
                 ]
 }