docs: record post-audit verification commit

.phrase/docs/CHANGE.md

@@ -2,8 +2,8 @@
 
 ## phase-kp-overhaul-20260726
 
-- 2026-08-20 lock post-audit hardening goals and tasks (`task037`–`task042`,
-  `task030` continuation; `issue022`–`issue028` opened):
+- 2026-08-20 plan and implement post-audit hardening (`task037`–`task042`,
+  `task030` source-fresh evaluator continuation; `issue022`–`issue028`):
   `.phrase/phases/phase-kp-overhaul-20260726/change_post_audit_hardening_20260820.md`
 - 2026-08-13 close issues awaiting user-visible confirmation (`issue011`–
   `issue017`, `issue019`, `issue020`; `issue018`/`task030` remain open):

.phrase/phases/phase-kp-overhaul-20260726/change_post_audit_hardening_20260820.md

@@ -38,6 +38,7 @@
   selected baseline/candidate root (`task030`, `issue028`). The corrected
   narrowed matrix still exceeds the source 16 ms target, so `issue018` and
   `task030` remain open.
+- **Commit:** `6a8c7e0`.
 
 ## Verification
 

.phrase/phases/phase-kp-overhaul-20260726/issue_buffer_width_atomicity_20260820.md

@@ -20,4 +20,4 @@
   294/294.
 - **Resolved At:** Pending user-visible confirmation.
 - **Resolved By:** Developer implementation and verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.

.phrase/phases/phase-kp-overhaul-20260726/issue_c_position_validation_20260820.md

@@ -16,4 +16,4 @@
   300-case fuzz, and Elisp parity pass.
 - **Resolved At:** 2026-08-20.
 - **Resolved By:** Developer implementation and contract verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.

.phrase/phases/phase-kp-overhaul-20260726/issue_hyphen_locale_20260820.md

@@ -17,4 +17,4 @@
   pass.
 - **Resolved At:** Pending user-visible confirmation.
 - **Resolved By:** Developer implementation and verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.

.phrase/phases/phase-kp-overhaul-20260726/issue_integration_no_projection_20260820.md

@@ -17,4 +17,4 @@
   suite pass.
 - **Resolved At:** 2026-08-20.
 - **Resolved By:** Developer implementation and lifecycle verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.

.phrase/phases/phase-kp-overhaul-20260726/issue_live_backward_projection_20260820.md

@@ -19,4 +19,4 @@
   isolated ERT all pass.
 - **Resolved At:** Pending user-visible confirmation.
 - **Resolved By:** Developer implementation and verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.

.phrase/phases/phase-kp-overhaul-20260726/issue_live_evaluator_source_freshness_20260820.md

@@ -17,4 +17,4 @@
   live benchmark are complete; full locked matrix remains the task030 gate.
 - **Resolved At:** 2026-08-20.
 - **Resolved By:** Developer evaluator verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.

.phrase/phases/phase-kp-overhaul-20260726/issue_showcase_test_freshness_20260820.md

@@ -22,4 +22,4 @@
   inventories, and GUI contract checks pass.
 - **Resolved At:** Pending user-visible confirmation.
 - **Resolved By:** Developer implementation and verification.
-- **Commit:** Pending hardening commit.
+- **Commit:** `6a8c7e0`.