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)

tests/test_asset_catalog.py

@@ -583,8 +583,11 @@ class _PortfolioServiceFakeRepo:
     """FakeRepo for PortfolioService catalog validation tests."""
 
     def __init__(self, asset: Asset | None = None) -> None:
+        from app.domain.models import StrategySet
+
         self._asset = asset
-        self._strategy_sets: dict = {}
+        strategy = StrategySet(id="set-1", name="target_value", config="{}", nick="target_value:default")
+        self._strategy_sets: dict = {strategy.id: strategy}
         self._portfolios: dict = {}
 
     def get_asset_by_id(self, asset_id: str) -> Asset | None:
@@ -625,7 +628,7 @@ class _PortfolioServiceFakeRepo:
         return p
 
     def get_strategy_set(self, id: str):
-        return None
+        return self._strategy_sets.get(id)
 
     def list_recent_trades(self, portfolio_id: str, *, limit: int = 5):
         return []
@@ -633,7 +636,7 @@ class _PortfolioServiceFakeRepo:
     def list_comments(self, portfolio_id: str):
         return []
 
-    def list_strategy_sets(self):
+    def list_strategy_sets(self, *, include_inactive: bool = True):
         return []
 
     def list_portfolios(self, **kwargs):
@@ -669,6 +672,7 @@ def test_portfolio_create_with_active_asset() -> None:
             name="Test_Portfolio",
             asset_id=_CATALOG_ASSET_ID,
             broker="kis",
+            strategy_id="set-1",
         ),
         owner_user_id="user-1",
     )
@@ -688,6 +692,7 @@ def test_portfolio_create_unknown_asset() -> None:
                 name="Test_Portfolio",
                 asset_id="nonexistent-uuid",
                 broker="kis",
+                strategy_id="set-1",
             ),
             owner_user_id="user-1",
         )
@@ -706,6 +711,7 @@ def test_portfolio_create_inactive_asset() -> None:
                 name="Test_Portfolio",
                 asset_id=_CATALOG_ASSET_ID,
                 broker="kis",
+                strategy_id="set-1",
             ),
             owner_user_id="user-1",
         )
@@ -745,6 +751,8 @@ def test_portfolio_create_by_symbol() -> None:
         "portfolio", "create", "Test_Portfolio",
         "--user", "alice",
         "--symbol", "005930",
+        "--strategy-id",
+        "set-1",
         "--force",
     ])
     assert result.exit_code == 0, result.output