feat: use realtime quotes in summaries

tests/test_calculations.py

@@ -4,7 +4,7 @@ from decimal import Decimal
 import pytest
 
 from grid_trading.domain.calculations import CalculationError, calculate_positions, estimate_fees
-from grid_trading.domain.models import FeeRules, Instrument, Trade, TradeGroup, TradeSide
+from grid_trading.domain.models import FeeRules, Instrument, QuoteSnapshot, Trade, TradeGroup, TradeSide
 
 
 def make_trade(
@@ -111,6 +111,36 @@ def test_t_plus_one_available_quantity_excludes_today_buys():
     assert summary.available_quantity == 200
 
 
+def test_quote_snapshot_overrides_manual_price_for_position_value():
+    today = date(2026, 7, 8)
+    instrument = Instrument(id=1, code="510300", name="沪深300ETF", manual_price=Decimal("3.90"))
+    trades = [
+        make_trade(
+            trade_id=1,
+            trade_date=today - timedelta(days=1),
+            side=TradeSide.BUY,
+            price="4.00",
+            quantity=1000,
+            trade_group=TradeGroup.BASE,
+        )
+    ]
+    quotes = {
+        1: QuoteSnapshot(
+            symbol="sh510300",
+            code="510300",
+            name="沪深300ETF",
+            price=Decimal("4.12"),
+            source="tencent",
+        )
+    }
+
+    [summary] = calculate_positions([instrument], trades, as_of=today, quote_snapshots=quotes)
+
+    assert summary.current_price == Decimal("4.12")
+    assert summary.price_source == "tencent"
+    assert summary.market_value == Decimal("4120.00")
+
+
 def test_sell_more_than_group_position_raises():
     today = date(2026, 7, 8)
     instrument = Instrument(id=1, code="159915", name="创业板ETF")

tests/test_services.py

@@ -3,10 +3,24 @@ from decimal import Decimal
 
 import pytest
 
-from grid_trading.domain.models import Instrument, Trade, TradeGroup, TradeSide
+from grid_trading.domain.models import Instrument, QuoteSnapshot, Trade, TradeGroup, TradeSide
 from grid_trading.services.trading_service import TradingService
 
 
+class FakeQuoteProvider:
+    def fetch_quotes(self, instruments):
+        return {
+            "510300": QuoteSnapshot(
+                symbol="sh510300",
+                code="510300",
+                name="沪深300ETF",
+                price=Decimal("4.12"),
+                source="tencent",
+                quote_time="20260708150000",
+            )
+        }
+
+
 def test_service_creates_default_account_and_computes_summary(tmp_path):
     service = TradingService(tmp_path / "grid.db")
     service.ensure_defaults()
@@ -177,3 +191,33 @@ def test_service_rejects_historical_changes_that_break_future_sells(tmp_path):
 
     with pytest.raises(ValueError, match="后续成交"):
         service.delete_trade(buy.id)
+
+
+def test_service_refresh_quotes_uses_realtime_price_in_summaries(tmp_path):
+    service = TradingService(tmp_path / "grid.db", quote_provider=FakeQuoteProvider())
+    service.ensure_defaults()
+    account = service.get_active_account()
+    instrument = service.add_instrument(
+        Instrument(id=None, code="510300", name="沪深300ETF", market="ETF", manual_price=Decimal("3.90"))
+    )
+    service.save_trade(
+        Trade(
+            id=None,
+            account_id=account.id,
+            instrument_id=instrument.id,
+            trade_date=date(2026, 7, 7),
+            side=TradeSide.BUY,
+            price=Decimal("4.00"),
+            quantity=1000,
+            trade_group=TradeGroup.BASE,
+        )
+    )
+
+    quotes = service.refresh_quotes()
+    [position] = service.get_position_summaries(as_of=date(2026, 7, 8))
+    summary = service.get_account_summary(as_of=date(2026, 7, 8))
+
+    assert quotes["510300"].price == Decimal("4.12")
+    assert position.current_price == Decimal("4.12")
+    assert position.price_source == "tencent"
+    assert summary.market_value == Decimal("4120.00")