chore: commit current workspace changes

docs/srs/Documentation/req-020_ledger-baseline-alignment.md

@@ -1,6 +1,6 @@
 # req-020: ledger 레이어 baseline 문서 정합
 
-- Status: Approved
+- Status: Implemented
 - Type: Documentation
 - Priority: Medium
 - Owner: project maintainers
@@ -112,3 +112,36 @@
 
 #### Validation Plan
 - 기존 Acceptance Criteria 로 batch delivery 에서 검증.
+
+### CHG-20260604-03
+- Date: 2026-06-04
+- Author: Justin Ko
+
+#### Change Summary
+- Status 변경: Approved -> Implemented. BAT-006 release-candidate verification evidence 기반.
+
+#### Intent
+- runtime-flows / interface-contract / project-structure / data-model 4문서를 ledger 레이어와 정합시킨 baseline 갱신을 구현 완료 상태로 동기화.
+
+#### Acceptance Criteria Delta
+- Added/Updated/Removed: 없음
+
+#### Impacted Area Delta
+- Docs/Modules/Tests: 없음 (변경은 상태 전이만)
+
+#### Delivery Trace Delta
+- Batches:
+  - BAT-006 (release-candidate)
+- Releases:
+  - none
+
+#### Revalidation Impact
+- Reverification Needed: no
+- Existing Implementation Invalidated: no
+- Status Recommendation: Implemented
+- Follow-up Action: release 단계는 별도 진행
+
+#### Validation Plan
+- AC-1: 4 baseline 문서(runtime-flows/interface-contract/project-structure/data-model) 에 ledger 레이어 섹션 반영 완료.
+- AC-2: baseline 문서 ↔ 코드 정합 manual review (verification.md Manual 섹션). NFR-1 import 스윕 + grep 결과로 보강.
+- AC-3: 4 baseline 문서 Change Log 모두 2026-06-04 BAT-006 항목 추가.