feat(V1-API): implement TREX-Basic consumer API contract with encryption and persistence

- Add V1 API endpoints: assets, ledger, user-info
- Implement Fernet-based credential payload encryption (req-010)
- Extend health response schema with runtime info (req-004)
- Add service token runtime ID issuance (req-005)
- Implement database schema migration for V1 API (req-009)
- Add comprehensive test coverage for V1 endpoints
- Update SRS with 10 new requirements (REQ-004 through REQ-011)
- Create batch planning, design, and verification for BAT-001
- Integrate review-discovery StagePilot skill
- Update documentation indices and baseline specs

docs/srs/index.md

@@ -74,7 +74,7 @@
 
 ## Next Requirement ID
 
-- Current: `REQ-004`
+- Current: `REQ-012`
 - Rule: `Requirement Register`에 있는 가장 큰 REQ 번호보다 정확히 1 커야 한다.
 
 ## Requirement Register
@@ -84,11 +84,19 @@
 | REQ-001 | 로컬 DB 초기화 및 마이그레이션 검증 시나리오 정의 | Testing | Approved | High | repository-maintainers | [REQ-001](./Testing/req-001_local-db-validation-scenarios.md) |
 | REQ-002 | Alembic와 runtime schema ownership 경계 정리 | Migration | Approved | High | repository-maintainers | [REQ-002](./Migration/req-002_alembic-runtime-schema-ownership.md) |
 | REQ-003 | 로컬 DB 운영 runbook 및 baseline 문서 갱신 | Documentation | Approved | Medium | repository-maintainers | [REQ-003](./Documentation/req-003_local-db-operations-runbook-and-baseline-updates.md) |
+| REQ-004 | GET /health 응답 스키마 확장 | Interface | Approved | High | repository-maintainers | [REQ-004](./Interface/req-004_health-response-schema-extension.md) |
+| REQ-005 | service-token 발급 시 runtime_id 동시 생성 | Interface | Approved | High | repository-maintainers | [REQ-005](./Interface/req-005_service-token-runtime-id-issuance.md) |
+| REQ-006 | GET /v1/assets 엔드포인트 구현 | Interface | Approved | High | repository-maintainers | [REQ-006](./Interface/req-006_v1-assets-endpoint.md) |
+| REQ-007 | GET /v1/user_info 엔드포인트 구현 | Interface | Approved | High | repository-maintainers | [REQ-007](./Interface/req-007_v1-user-info-endpoint.md) |
+| REQ-008 | POST /v1/assets/{asset_id}/ledger/trades 엔드포인트 구현 | Interface | Approved | High | repository-maintainers | [REQ-008](./Interface/req-008_v1-ledger-trades-endpoint.md) |
+| REQ-009 | v1 API 지원을 위한 DB 스키마 migration 추가 | Migration | Approved | High | repository-maintainers | [REQ-009](./Migration/req-009_v1-api-db-schema-migration.md) |
+| REQ-010 | credential_payload Fernet 암호화 및 startup validation | Non-Functional | Approved | High | repository-maintainers | [REQ-010](./Non-Functional/req-010_credential-payload-fernet-encryption.md) |
+| REQ-011 | trex-basic 계약 반영을 위한 baseline 문서 갱신 | Documentation | Approved | Medium | repository-maintainers | [REQ-011](./Documentation/req-011_baseline-docs-update-for-trex-basic-contract.md) |
 
 ## Recent Change Log Summary
 
-- 2026-04-30: REQ-003 Approved 전환 — 로컬 DB 운영 runbook 및 baseline 문서 갱신
-- 2026-04-30: REQ-002 Approved 전환 — Alembic와 runtime schema ownership 경계 정리
-- 2026-04-30: REQ-001 Approved 전환 — 로컬 DB 초기화 및 마이그레이션 검증 시나리오 정의
-- 2026-04-30: REQ-003 Proposed 생성 — 로컬 DB 운영 runbook 및 baseline 문서 갱신 (source Discovery: dcy-001)
-- 2026-04-30: REQ-002 Proposed 생성 — Alembic와 runtime schema ownership 경계 정리 (source Discovery: dcy-001)
+- 2026-05-02: REQ-011 Approved 전환 — trex-basic 계약 반영을 위한 baseline 문서 갱신 (source Discovery: dcy-002)
+- 2026-05-02: REQ-010 Approved 전환 — credential_payload Fernet 암호화 및 startup validation (source Discovery: dcy-002)
+- 2026-05-02: REQ-009 Approved 전환 — v1 API DB 스키마 migration 추가 (source Discovery: dcy-002)
+- 2026-05-02: REQ-008 Approved 전환 — POST /v1/assets/{asset_id}/ledger/trades 구현 (source Discovery: dcy-002)
+- 2026-05-02: REQ-007 Approved 전환 — GET /v1/user_info 엔드포인트 구현 (source Discovery: dcy-002)