diff --git a/docs/kit-friction-log.md b/docs/kit-friction-log.md
index 1b5e448d..b233d9e8 100644
--- a/docs/kit-friction-log.md
+++ b/docs/kit-friction-log.md
@@ -26,6 +26,25 @@
 
 ## 2026-09-11
 
+- **Case-insensitive report paths overwrote a completed review report.** During
+  PR #733's final adversarial review on 2026-09-11, the reviewer wrote `REPORT.md`
+  while the launcher used `codex exec -o report.md` in the same scratch directory.
+  Those names aliased on the filesystem, so the launcher's final-summary write
+  replaced the full report. **L** — the complete reviewer-authored text remained
+  in a completed command in `events.jsonl`; shell-token and Python-AST literal
+  parsing recovered it without executing the command. The
+  [complete receipt](https://github.com/topij/agentic-dev-kit/pull/733#issuecomment-5639699233)
+  preserves that recovery before merge. Proposed remedy: give the reviewer report
+  and launcher summary distinct basenames and check their destination identities
+  before launching. This was session review orchestration, not an established kit
+  engine defect. `gh search issues --repo topij/agentic-dev-kit` with queries
+  `"case-insensitive" "report"` and `"REPORT.md"`, including PRs, at
+  `fc46efa0570f866f19cccf11834f909d5f37cf69` on 2026-09-11 in
+  `/Users/topi/Coding/agentic-dev-kit` returned no match for the combined query and
+  PR matches for the filename query; no collision issue was identified by
+  that bounded search. Parked because the operator excludes tracker payloads from
+  this work. No tracker write or friction sweep is authorized by this entry.
+
 - **The review runtime stopped before delivering required adversarial coverage.**
   PR #733's [receipt at `88c5b044d5a42e33d2c4b0158be0957b4014678a`](https://github.com/topij/agentic-dev-kit/pull/733#issuecomment-5633065607)
   and [receipt at `207683b073f4d34cf22c5d9e1635f1c23239b6d4`](https://github.com/topij/agentic-dev-kit/pull/733#issuecomment-5633204702)
diff --git a/docs/kit-handoff.md b/docs/kit-handoff.md
index 169f7f93..d969aceb 100644
--- a/docs/kit-handoff.md
+++ b/docs/kit-handoff.md
@@ -14,7 +14,7 @@
 > Older session blocks graduate to [`kit-handoff-history.md`](kit-handoff-history.md) once
 > this file crosses its line budget (`scripts/check_doc_budget.py`).
 
-Last updated: 2026-09-11 — source repair delivered; revised retained-update decision prepared.
+Last updated: 2026-09-11 — source repair and revised retained-update packet delivered.
 Phase 5 delivery item 5 remains incomplete; item 6's replay remains complete.
 
 ## Latest session — 2026-09-11 (ITEM5-B revised retained-update packet, in Codex)
@@ -33,8 +33,14 @@ read-only audit and forge records retain post-acceptance checkpoint comparisons.
 The packet retains complete review receipts before its audit-ordering correction,
 with earlier UPDATE-03 questions/evidence preserved and the current `-r5` binding
 explicit. The packet records unresolved generic-upgrade bootstrap findings outside
-its proposed execution; no further source repair or approved deferral is claimed. PR #733 owns packet review/delivery. UPDATE-01 is consumed; UPDATE-02 and its old
-questions, payloads, ledgers and incomplete review receipts remain preserved.
+its proposed execution; no further source repair or approved deferral is claimed.
+[PR #733](https://github.com/topij/agentic-dev-kit/pull/733) merged on 2026-09-11 as
+`e6b8e182466046a820198fa28c8cc52dc06509d0`, from reviewed head
+`fc46efa0570f866f19cccf11834f909d5f37cf69`. Its
+[completion checkpoint](https://github.com/topij/agentic-dev-kit/pull/733#issuecomment-5639767232)
+retains review, verification, merge readback and the pending exact approval question.
+UPDATE-01 is consumed; UPDATE-02 and its old questions, payloads, ledgers and
+incomplete review receipts remain preserved.
 
 No retained update is approved. Ownership acceptance does not establish custom
 wrap-up functionality, client verification or field exit. The accepted inherited
diff --git a/saved_plans/codex-parity-plan_2026-08-23.md b/saved_plans/codex-parity-plan_2026-08-23.md
index 8c018fa1..e0ef149f 100644
--- a/saved_plans/codex-parity-plan_2026-08-23.md
+++ b/saved_plans/codex-parity-plan_2026-08-23.md
@@ -456,6 +456,10 @@ historical observation it was and is not silently refreshed.
      delivered by #734 at `7e0232ed871b37a315c5509c97b83d3b00b1a3fd`. The
      [UPDATE-03 packet](phase5-item5-b-update03-decision_2026-09-11.md) proposes the
      revised exact local retained update after fresh read-only checkpoint checks.
+     Kit #733 delivered that packet on 2026-09-11 as
+     `e6b8e182466046a820198fa28c8cc52dc06509d0`; its
+     [completion checkpoint](https://github.com/topij/agentic-dev-kit/pull/733#issuecomment-5639767232)
+     preserves the review/merge evidence and unanswered exact approval question.
      Its current `-r5` binding retains the audit and dependent-command isolation correction,
      corrects copied provenance, and preserves unresolved generic-upgrade source findings
      outside the proposed execution;