Add ProofLine criteria documentation and Strategy Catalog v1 implementation

- Add acceptance criteria documentation (AC-0013 through AC-0023)
- Add Line-0003 discovery documentation
- Implement Strategy Catalog v1 with new database migration
- Update portfolio API endpoints and schemas
- Refactor strategy and portfolio services
- Add strategy management CLI commands
- Update domain models with strategy catalog support
- Add comprehensive tests for v1 strategies
- Update design documentation (data model, interfaces, runtime flows)

docs/project-structure.md

@@ -138,7 +138,7 @@
 |-----------|-----------|------|
 | ensure_schema() 전용 | `idx_auth_tokens_service_name_unique` (partial index, BAT-006/REQ-017: `AND revoked_at IS NULL` 조건 추가) | Alembic revision 20260520_0022에도 CONCURRENTLY 버전 존재 |
 | Alembic 전용 | `portfolios.market`, `auth_tokens.runtime_id`, `idx_auth_tokens_runtime_id_unique`, `broker_credentials`, `ledger_trades` | ensure_schema()에 없음 — v1 API 전제 조건 |
-| 양쪽 공유 (IF NOT EXISTS 보호) | users, auth_tokens, strategy_sets, portfolios, portfolio_ledger, portfolio_comments, portfolio_tags + 대부분의 인덱스 | ensure_schema() 우선 실행 후 Alembic 실행 시 충돌 없음 |
+| 양쪽 공유 (IF NOT EXISTS 보호) | users, auth_tokens, strategy_sets (`status`, `revision`, `updated_at` 포함), portfolios, portfolio_ledger, portfolio_comments, portfolio_tags + 대부분의 인덱스 | ensure_schema() 우선 실행 후 Alembic `20260814_0029` 실행 시 충돌 없음; 기본 전략 seed/constraints도 존재 여부 guard 적용 |
 
 ### 허용 실행 순서