fix: separate trade price from realtime price

tests/test_ui.py

@@ -35,6 +35,47 @@ def test_main_window_can_be_constructed_offscreen(tmp_path, monkeypatch):
     app.processEvents()
 
 
+def test_instrument_dialog_does_not_collect_manual_current_price(monkeypatch):
+    monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")
+
+    from PySide6.QtWidgets import QApplication, QLabel
+
+    from grid_trading.ui.dialogs import InstrumentDialog
+
+    app = QApplication.instance() or QApplication([])
+    dialog = InstrumentDialog()
+
+    labels = [label.text() for label in dialog.findChildren(QLabel)]
+    assert "手动价格" not in labels
+    assert not hasattr(dialog, "manual_price_edit")
+    assert dialog.to_instrument().manual_price is None
+
+    dialog.close()
+    app.processEvents()
+
+
+def test_trade_dialog_labels_price_as_trade_price(tmp_path, monkeypatch):
+    monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")
+
+    from PySide6.QtWidgets import QApplication, QLabel
+
+    from grid_trading.services.trading_service import TradingService
+    from grid_trading.ui.dialogs import TradeDialog
+
+    app = QApplication.instance() or QApplication([])
+    service = TradingService(tmp_path / "grid.db")
+    service.ensure_defaults()
+    account = service.get_active_account()
+    dialog = TradeDialog(service, account.id, [Instrument(id=1, code="510300", name="沪深300ETF")])
+
+    labels = [label.text() for label in dialog.findChildren(QLabel)]
+    assert "成交价" in labels
+
+    dialog.close()
+    service.close()
+    app.processEvents()
+
+
 def test_quote_refresh_does_not_block_main_window(tmp_path, monkeypatch):
     monkeypatch.setenv("QT_QPA_PLATFORM", "offscreen")