chore: commit current workspace changes

docs/srs/Integration/req-018_fill-to-ledger-recording.md

@@ -1,6 +1,6 @@
 # req-018: 체결→원장 기록 (집행 루프 fill hook)
 
-- Status: Approved
+- Status: Implemented
 - Type: Integration
 - Priority: High
 - Owner: project maintainers
@@ -114,3 +114,38 @@
 
 #### 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
+- 집행 루프 fill→ledger hook + FillStatus.execution_id/fee 확장 구현과 검증 evidence 확보 후 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: tests/application/test_execution_ledger.py::test_buy_fill_enqueues_one_ledger_item_and_writer_records_it.
+- AC-2: tests/application/test_execution_ledger.py::test_sell_fill_enqueues_sell_ledger_item.
+- AC-3: 위 buy 테스트가 FillStatus.execution_id/fee/tax 운반 직접 검증.
+- AC-4: tests/application/test_execution_ledger.py::test_portfolio_id_absent_skips_ledger_but_transitions_slot.
+- AC-5: tests/domain/test_domain_import_sweep.py + grep 결과(trex_core/application/execution.py 단일 enqueue 지점).