docs: approve review workbench req and batch

docs/srs/index.md

@@ -59,7 +59,7 @@
 | REQ-017 | Advanced finance workflow service split and compatibility-preserving domain isolation | Non-Functional | Implemented | High | 렛저장인 | [req-017_advanced-finance-workflow-service-split.md](Non-Functional/req-017_advanced-finance-workflow-service-split.md) |
 | REQ-018 | MCP/Streamlit adapter surface narrowing and baseline refresh for dcy-011 completion | Interface | Implemented | High | 렛저장인 | [req-018_adapter-surface-narrowing-baseline-refresh.md](Interface/req-018_adapter-surface-narrowing-baseline-refresh.md) |
 | REQ-019 | Docker network MCP deployment and operating DB migration | Deployment | Implemented | High | 렛저장인 | [req-019_docker-network-mcp-deployment.md](Deployment/req-019_docker-network-mcp-deployment.md) |
-| REQ-020 | Review decision persistence and reconciliation workbench | Interface | Proposed | High | 렛저장인 | [req-020_review-decision-persistence-reconciliation-workbench.md](Interface/req-020_review-decision-persistence-reconciliation-workbench.md) |
+| REQ-020 | Review decision persistence and reconciliation workbench | Interface | Approved | High | 렛저장인 | [req-020_review-decision-persistence-reconciliation-workbench.md](Interface/req-020_review-decision-persistence-reconciliation-workbench.md) |
 
 ## Recent Change Log Summary
 
@@ -96,3 +96,4 @@
 - 2026-07-03 08:23 KST: BAT-014 adapter narrowing + baseline refresh 구현과 AppTest/full pytest/MCP discovery evidence를 근거로 `REQ-018`을 Implemented로 전환했다.
 - 2026-07-07 22:23 KST: dcy-013 Docker network MCP 배포 범위로 REQ-019를 생성하고, BAT-015 구현·검증 evidence 및 운영 DB 이전 완료를 근거로 Implemented 상태로 등록했다.
 - 2026-07-07 23:53 KST: dcy-012 confirmed 범위를 `REQ-020` Proposed 상태로 생성하고 review decision persistence/reconciliation workbench 요구사항으로 등록했다.
+- 2026-07-08 00:00 KST: REQ-020을 승인 게이트 검토 후 Approved 상태로 전환했다.