feat: complete strategy and market data improvements

tests/test_ifind_features.py

@@ -4,6 +4,7 @@ import tempfile
 import unittest
 from datetime import date, datetime, timedelta, timezone
 from pathlib import Path
+from unittest.mock import patch
 
 from chart_data_provider import EastmoneyChartClient, MarketChartClient
 from database import ReviewDatabase
@@ -42,6 +43,45 @@ class FakeIfind:
         return []
 
 
+class FakeIfindStalePreopen(FakeIfind):
+    def history(self, codes, indicators, start_date, end_date, cache_ttl=0):
+        return [
+            *super().history(codes, indicators, start_date, end_date, cache_ttl),
+            {
+                "time": "2026-07-29",
+                "thscode": "000001.SZ",
+                "open": 10.5,
+                "high": 10.5,
+                "low": 10.5,
+                "close": 10.5,
+                "volume": 0,
+                "amount": 0,
+            },
+        ]
+
+    def real_time(self, codes, indicators, cache_ttl=0):
+        return [
+            {
+                "time": "2026-07-28 15:00:00",
+                "open": 10.2,
+                "high": 10.8,
+                "low": 10.1,
+                "latest": 10.5,
+                "preClose": 10.2,
+                "volume": 120,
+                "amount": 1_200_000,
+            }
+        ]
+
+
+class FixedPreopenDatetime(datetime):
+    fixed_now = datetime(2026, 7, 29, 8, 45, tzinfo=timezone(timedelta(hours=8)))
+
+    @classmethod
+    def now(cls, tz=None):
+        return cls.fixed_now
+
+
 class FakeIfindSnapshots:
     configured = True
 
@@ -93,6 +133,14 @@ class IfindFeatureTests(unittest.TestCase):
         self.assertEqual(rows[-1]["trade_date"], "2026-07-28")
         self.assertAlmostEqual(rows[-1]["change"], 2.9412, places=4)
 
+    def test_ifind_daily_chart_keeps_last_traded_bar_before_market_open(self):
+        client = MarketChartClient(FakeIfindStalePreopen(), EastmoneyChartClient())
+        with patch("chart_data_provider.datetime", FixedPreopenDatetime):
+            rows = client.stock_daily("000001", "20260729")
+
+        self.assertEqual(rows[-1]["trade_date"], "2026-07-28")
+        self.assertFalse(rows[-1].get("realtime", False))
+
     def test_event_enrichment_keeps_blank_broken_reason_blank(self):
         dashboard = {"broken": [{"code": "000001", "reason": "原原因"}]}
         DashboardService._merge_ifind_event_enrichment(