fix(HEL-494): 日K默认45根并修复问天行业0/205覆盖

悬浮窗和详情页只画最近45个交易日，中枢仍保留250日历史。盘后缺sw_daily时保留成分日线内核，外显走免费申万；成分行情改为全市场快照+分页，不再截成前60只。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

tests/test_global_search.py

@@ -94,7 +94,7 @@ class GlobalSearchTests(unittest.TestCase):
         self.assertIn('event.key.toLowerCase() !== "k"', script)
         self.assertIn('openStock(item.id, { code: item.code', script)
         self.assertNotIn('include_notes', script)
-        self.assertIn('const candles = (series || [])', script)
+        self.assertIn('const candles = visibleDailyPrices((series || [])', script)
         self.assertIn('renderStockNotes(payload.notes || [])', script)
 
 

tests/test_hel494_regressions.py

@@ -191,3 +191,88 @@ class EastmoneyHelperTests(unittest.TestCase):
         self.assertAlmostEqual(quote["change"], 2.88)
         params = get_json.call_args.args[1]
         self.assertEqual(params["secids"], "90.801074")
+
+
+class ChartWindowTests(unittest.TestCase):
+    def test_display_window_is_45_not_250(self) -> None:
+        from backend.features.market.charts import DAILY_CHART_LIMIT
+
+        self.assertEqual(DAILY_CHART_LIMIT, 45)
+
+
+class MemberQuoteCoverageTests(unittest.TestCase):
+    def test_prefers_full_hub_market_over_truncated_named_quotes(self) -> None:
+        client = TushareClient(token="demo")
+        wanted = [f"{index:06d}.SZ" for index in range(205)]
+        market = [
+            {"ts_code": code, "close": 10.0, "pre_close": 9.0}
+            for code in wanted
+        ]
+        client.try_market_quotes = MagicMock(return_value=market)
+        client.try_quotes = MagicMock(return_value=market[:60])
+        client.realtime_aggregator = MagicMock()
+        rows, source = client._load_member_realtime_quotes(wanted, "20260908")
+        self.assertEqual(len(rows), 205)
+        self.assertEqual(source, "datahub")
+        client.try_quotes.assert_not_called()
+
+    def test_ignores_non_member_quotes_from_market_snapshot(self) -> None:
+        client = TushareClient(token="demo")
+        client.try_market_quotes = MagicMock(
+            return_value=[
+                {"ts_code": "000737.SZ", "close": 12.3, "pre_close": 11.2},
+                {"ts_code": "600000.SH", "close": 10.0, "pre_close": 9.9},
+            ]
+        )
+        client.try_quotes = MagicMock(return_value=[])
+        client._free_realtime_quotes = MagicMock(return_value=([], "empty"))
+        rows, _source = client._load_member_realtime_quotes(
+            ["000737.SZ", "000630.SZ"], "20260908"
+        )
+        self.assertEqual([row["ts_code"] for row in rows], ["000737.SZ"])
+
+    def test_closed_keeps_daily_inner_when_sw_daily_missing(self) -> None:
+        client = TushareClient(token="demo")
+        client.resolve_trade_context = lambda _date: ("20260908", "20260907")
+        client.sw_stock_industry = MagicMock(
+            return_value={"l2_code": "801074.SI", "l2_name": "工业金属"}
+        )
+        client._sw_sector_members = MagicMock(
+            return_value=[
+                {"ts_code": "000737.SZ", "name": "北方铜业"},
+                {"ts_code": "000630.SZ", "name": "铜陵有色"},
+            ]
+        )
+        client._stock_listing_reference = MagicMock(return_value={})
+        client._load_daily = MagicMock(
+            return_value=[
+                {"ts_code": "000737.SZ", "name": "北方铜业", "pct_chg": 2, "amount": 1e8},
+                {"ts_code": "000630.SZ", "name": "铜陵有色", "pct_chg": 1, "amount": 1e8},
+            ]
+        )
+        client._confirmed_suspended_members = MagicMock(return_value=[])
+        client.query = MagicMock(return_value=[])
+        client._sw_realtime_sector_snapshot = MagicMock(
+            side_effect=AssertionError("daily inner should be kept")
+        )
+        client.realtime_aggregator = MagicMock()
+        client.realtime_aggregator.eastmoney_shenwan_quote.return_value = {
+            "code": "801074.SI",
+            "name": "工业金属",
+            "change": 1.5,
+            "pct_change": 1.5,
+            "quote_date": "20260908",
+            "quote_time": "2026-09-08T15:00:00+08:00",
+            "source": "eastmoney_sw",
+        }
+        snapshot = client.sw_sector_snapshot(
+            "000737.SZ", "20260908", allow_realtime_close=True
+        )
+        self.assertEqual(snapshot["quote_count"], 2)
+        self.assertEqual(snapshot["member_count"], 2)
+        self.assertTrue(snapshot["inner_precise"])
+        self.assertTrue(snapshot["outer_precise"])
+        self.assertEqual(snapshot["inner_source"], "tushare_member_daily")
+        self.assertEqual(snapshot["change"], 1.5)
+        self.assertNotIn("权限", snapshot.get("outer_error") or "")
+        self.assertNotIn("rt_sw_k", snapshot.get("outer_error") or "")