feat: add kill-switch control flow

docs/srs/Documentation/req-047_killswitch-baseline-alignment.md

@@ -1,6 +1,6 @@
 # req-047: kill-switch baseline 문서 정합
 
-- Status: Approved
+- Status: Implemented
 - Type: Documentation
 - Priority: Medium
 - Owner: project maintainers
@@ -111,3 +111,36 @@ dcy-008(비상 정지/kill-switch) 기능(REQ-043~046)의 구현 완료 후 `doc
 - Existing Implementation Invalidated: no
 - Status Recommendation: keep-current
 - Follow-up Action: suggest-batch-reqs / draft-batch 로 delivery 편성(REQ-043~046 이후 연계).
+
+### CHG-20260607-03
+
+- Date: 2026-06-07
+- Author: Justin Ko
+
+#### Change Summary
+
+- Status Approved → Implemented (confirm-req-implemented, 근거 batch BAT-012 release-candidate).
+
+#### Intent
+
+- BAT-012 에서 baseline 3문서 정합 완료: interface-contract(`trex.control.req` action + kill_switch/resume_kill_switch payload + masking 소스), runtime-flows(kill-switch 비상 정지 흐름 + control consumer), project-structure(control consumer + killswitch_exclusion/store + 005 sql + killswitch.py). AC-1~4 충족.
+
+#### Acceptance Criteria Delta
+
+- (변경 없음)
+
+#### Impacted Area Delta
+
+- (변경 없음)
+
+#### Delivery Trace Delta
+
+- Batches: BAT-012 (release-candidate)
+- Releases: none
+
+#### Revalidation Impact
+
+- Reverification Needed: no
+- Existing Implementation Invalidated: no
+- Status Recommendation: keep-current (Implemented)
+- Follow-up Action: draft-release 로 BAT-012 배포 편성.