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

app/main.py

@@ -11,6 +11,9 @@ from app.api.auth_routes import router as auth_router
 from app.api.portfolios import router as portfolio_router
 from app.api.strategy_sets import router as strategy_sets_router
 from app.api.users import router as users_router
+from app.api.v1_assets import router as v1_assets_router
+from app.api.v1_user_info import router as v1_user_info_router
+from app.api.v1_ledger import router as v1_ledger_router
 from app.core.config import Settings, get_settings
 from app.core.errors import register_exception_handlers
 from app.core.security import hash_password
@@ -73,6 +76,9 @@ def create_app(
     app.include_router(portfolio_router)
     app.include_router(strategy_sets_router)
     app.include_router(users_router)
+    app.include_router(v1_assets_router)
+    app.include_router(v1_user_info_router)
+    app.include_router(v1_ledger_router)
     register_exception_handlers(app)
     return app