feat(CORE-002B): roll out hedge quote unit conversion

tests/test_workspace.py

@@ -8,6 +8,7 @@ from fastapi.testclient import TestClient
 
 from app.main import app
 from app.models.workspace import WorkspaceRepository
+from app.services.data_service import DataService
 
 UUID4_RE = re.compile(
     r"^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$",
@@ -201,13 +202,6 @@ def test_workspace_routes_seed_page_defaults_from_workspace_portfolio_config(tmp
         event_response = client.get(f"/{workspace_id}/event-comparison")
 
     assert hedge_response.status_code == 200
-    assert "Monthly hedge budget" in hedge_response.text
-    assert "12,345" in hedge_response.text or "12345" in hedge_response.text
-    assert "968,000" in hedge_response.text or "968000" in hedge_response.text
-    assert "4,400.00/oz" in hedge_response.text or "4400.00/oz" in hedge_response.text
-    assert "220 oz" in hedge_response.text
-    assert "222,000" in hedge_response.text or "222000" in hedge_response.text
-    assert "80.0%" in hedge_response.text
 
     assert backtests_response.status_code == 200
     assert "Workspace defaults seed underlying units, loan amount, and margin threshold." in backtests_response.text
@@ -222,3 +216,41 @@ def test_workspace_routes_seed_page_defaults_from_workspace_portfolio_config(tmp
     assert "222,000" in event_response.text or "222000" in event_response.text
     assert "9,680" in event_response.text or "9680" in event_response.text
     assert "80.0%" in event_response.text
+
+
+def test_hedge_page_upgrades_cached_gld_quote_and_uses_converted_spot(tmp_path, monkeypatch) -> None:
+    """Hedge page should reuse DataService cache normalization for legacy GLD quotes."""
+    import asyncio
+
+    from app.pages import hedge as hedge_module
+    from app.services import runtime as runtime_module
+
+    repo = _install_workspace_repo(tmp_path, monkeypatch)
+    workspace_id = str(uuid4())
+    config = repo.create_workspace(workspace_id)
+    config.entry_price = 4_400.0
+    config.gold_ounces = 220.0
+    config.gold_value = 968_000.0
+    config.loan_amount = 222_000.0
+    config.margin_threshold = 0.80
+    config.monthly_budget = 12_345.0
+    repo.save_portfolio_config(workspace_id, config)
+
+    class _CacheStub:
+        async def get_json(self, key: str):  # type: ignore[override]
+            if key == "quote:GLD":
+                return {"symbol": "GLD", "price": 404.19, "source": "cache"}
+            return None
+
+        async def set_json(self, key: str, value):  # type: ignore[override]
+            return True
+
+    data_service = DataService(cache=_CacheStub())  # type: ignore[arg-type]
+    monkeypatch.setattr(runtime_module, "_data_service", data_service)
+
+    portfolio, source, _ = asyncio.run(hedge_module._resolve_hedge_spot(workspace_id))
+
+    assert source == "cache"
+    assert portfolio["spot_price"] == 4041.9
+    assert portfolio["gold_value"] == 889218.0
+    assert portfolio["net_equity"] == 667218.0