docs(req): confirm BAT-057 requirements implemented

docs/srs/Documentation/req-122_operator-broker-truth-hotfix-baseline-alignment.md

@@ -1,6 +1,6 @@
 # REQ-122: operator broker truth HOTFIX baseline 및 remediation 문서 정합
 
-- Status: Approved
+- Status: Implemented
 - Type: Documentation
 - Priority: High
 - Owner: trex-core-dev
@@ -114,3 +114,14 @@
 
 #### Validation Plan
 - batch verification과 독립 QC에서 actual CLI/help, decision code, tests, markdown links 및 secret scan으로 AC를 재검증한다.
+
+### CHG-20260715-03
+- Date: 2026-07-15
+- Author: TREX lead
+
+#### Change Summary
+- Approved → Implemented (`confirm-req-implemented`).
+
+#### Delivery Trace
+- BAT-057 verification confirmed; PR #42 merged to `main` as `94e148940adb008db0bbd215052a1e984f7c566b`.
+- Independent QC: PASS-WITH-NOTES, acceptance blocker 0. Production live sync/deploy remains a separate release gate.