fix(HEL-487): 盘中当天看板在 rt_k 无权限时降级到免费实时源

rt_k 失败、无权限、超时或空结果时改用东财全市场快照，再失败则用腾讯批量行情；两者都失败仍不退回昨天。

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

tests/test_admin_refresh_status.py

@@ -150,6 +150,32 @@ class FakeRealtimeTodayClient:
         return requested, "20260907"
 
 
+class FakeFreeRealtimeTodayClient:
+    def dashboard(self, trade_date: str):
+        return {
+            "meta": {
+                "trade_date": f"{trade_date[:4]}-{trade_date[4:6]}-{trade_date[6:8]}",
+                "requested_date": f"{trade_date[:4]}-{trade_date[4:6]}-{trade_date[6:8]}",
+                "realtime": True,
+                "mode": "realtime",
+                "quote_source": "eastmoney_clist",
+                "source": "eastmoney",
+                "market_status": "trading",
+                "notice": "盘中行情由东财免费实时快照计算；涨停原因、封板时间和开板次数以盘后榜单校正为准。",
+                "updated_at": datetime.now().astimezone().isoformat(timespec="seconds"),
+                "indices": [{"code": "000001", "price": 3800.1, "change": 0.5}],
+            },
+            "overview": {"limit_up_count": 18, "up_count": 2100, "amount_billion": 12345.6},
+            "limits": [{"code": "000001"}],
+            "broken": [],
+            "down_limits": [],
+            "yesterday_limits": [],
+        }
+
+    def resolve_trade_context(self, requested: str):
+        return requested, "20260907"
+
+
 class SyncHarness(MarketServiceMixin):
     def __init__(self, client, latest=None, clock=None):
         self.configured = True
@@ -204,6 +230,28 @@ class DashboardFreshnessTests(unittest.TestCase):
         self.assertNotIn("今日数据正在准备", meta.get("display_notice") or "")
         self.assertEqual(harness.database.saved[0][0], today)
 
+    def test_intraday_free_source_keeps_today_and_indices(self):
+        today = TRADE_DAY.strftime("%Y%m%d")
+        latest = {
+            "meta": {"trade_date": "2026-09-07", "source": "tushare"},
+            "overview": {"limit_up_count": 20},
+        }
+        harness = SyncHarness(
+            FakeFreeRealtimeTodayClient(),
+            latest,
+            clock=lambda: at_clock(10, 5),
+        )
+        payload = harness.sync_dashboard(today)
+        meta = payload["meta"]
+        self.assertFalse(meta.get("carried_forward"))
+        self.assertTrue(meta["realtime"])
+        self.assertEqual(meta["data_status"], "intraday")
+        self.assertEqual(str(meta["trade_date"]).replace("-", ""), today)
+        self.assertEqual(meta["quote_source"], "eastmoney_clist")
+        self.assertEqual(payload["overview"]["amount_billion"], 12345.6)
+        self.assertEqual(meta["indices"][0]["price"], 3800.1)
+        self.assertEqual(harness.database.saved[0][0], today)
+
     def test_intraday_missing_quotes_do_not_carry_yesterday(self):
         today = TRADE_DAY.strftime("%Y%m%d")
         latest = {

tests/test_heaven_realtime.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import http.client
 import json
 import unittest
+from datetime import datetime
 from unittest.mock import MagicMock, patch
 
 from backend.data.realtime import WebRealtimeAggregator
@@ -377,6 +378,43 @@ class RealtimeAggregatorTests(unittest.TestCase):
         self.assertEqual(rows[0]["quote_time"][:10], "2026-07-20")
         self.assertAlmostEqual(rows[0]["amount_billion"], 12946.52)
 
+    @patch.object(WebRealtimeAggregator, "_get_json")
+    def test_eastmoney_market_quotes_normalize_and_keep_expected_date(self, get_json: MagicMock):
+        epoch = datetime(2026, 7, 20, 10, 5).timestamp()
+        rows = []
+        for index in range(200):
+            sz = index < 100
+            rows.append(
+                {
+                    "f12": f"{index:06d}" if sz else f"{600000 + index - 100:06d}",
+                    "f13": 0 if sz else 1,
+                    "f14": f"股票{index}",
+                    "f2": 11.2,
+                    "f3": 2.0,
+                    "f5": 10,
+                    "f6": 50000000,
+                    "f15": 11.3,
+                    "f16": 11.0,
+                    "f17": 11.1,
+                    "f18": 11.0,
+                    "f124": epoch,
+                }
+            )
+        def fake_get_json(_url, params, referer=""):
+            page = int(params.get("pn") or 1)
+            start = (page - 1) * 100
+            return {"rc": 0, "data": {"total": 200, "diff": rows[start:start + 100]}}
+
+        get_json.side_effect = fake_get_json
+        aggregator = WebRealtimeAggregator()
+        aggregator._response_cache.clear()
+        quotes = aggregator.eastmoney_market_quotes("20260720")
+        self.assertEqual(len(quotes), 200)
+        self.assertEqual(quotes[0]["ts_code"], "000000.SZ")
+        self.assertTrue(quotes[100]["ts_code"].endswith(".SH"))
+        self.assertEqual(quotes[0]["vol"], 1000)
+        self.assertEqual(quotes[0]["quote_date"], "20260720")
+
 
 if __name__ == "__main__":
     unittest.main()

tests/test_realtime_dashboard.py

@@ -5,6 +5,12 @@ from datetime import datetime, timedelta, timezone
 
 from backend.data.providers.tushare_client import TushareClient
 from backend.data.providers.tushare_helpers import calendar_is_open
+from backend.data.providers.tushare_transport import TushareError
+from backend.data.realtime import (
+    RealtimeAggregateError,
+    _normalize_eastmoney_quote,
+    _parse_tencent_stock_quote,
+)
 
 
 class FakeRealtimeClient(TushareClient):
@@ -83,6 +89,65 @@ class FakeRealtimeClient(TushareClient):
         raise AssertionError(f"Unexpected API call: {api_name} {params}")
 
 
+FREE_QUOTES = [
+    {
+        "ts_code": "000001.SZ", "name": "甲", "pre_close": 10.0,
+        "open": 10.1, "high": 11.0, "low": 10.0, "close": 11.0,
+        "vol": 1000, "amount": 100000000, "num": 10,
+        "quote_date": "20260720",
+    },
+    {
+        "ts_code": "000002.SZ", "name": "乙", "pre_close": 20.0,
+        "open": 19.5, "high": 20.0, "low": 18.0, "close": 18.0,
+        "vol": 2000, "amount": 200000000, "num": 20,
+        "quote_date": "20260720",
+    },
+    {
+        "ts_code": "000003.SZ", "name": "丙", "pre_close": 30.0,
+        "open": 31.0, "high": 33.0, "low": 30.0, "close": 32.0,
+        "vol": 3000, "amount": 300000000, "num": 30,
+        "quote_date": "20260720",
+    },
+]
+
+
+class FakeFreeAggregator:
+    def __init__(self, quotes=None, fail=False):
+        self.quotes = list(quotes if quotes is not None else FREE_QUOTES)
+        self.fail = fail
+        self.calls = 0
+
+    def eastmoney_market_quotes(self, expected_date=""):
+        self.calls += 1
+        if self.fail:
+            raise RealtimeAggregateError("eastmoney down")
+        if expected_date and self.quotes:
+            dated = [
+                row for row in self.quotes
+                if str(row.get("quote_date") or "") == str(expected_date).replace("-", "")
+            ]
+            if dated:
+                return dated
+        return list(self.quotes)
+
+    def tencent_market_quotes(self, codes, expected_date=""):
+        return self.eastmoney_market_quotes(expected_date)
+
+    def eastmoney_indices(self):
+        return [
+            {
+                "code": "000001",
+                "name": "上证指数",
+                "price": 3800.12,
+                "change": 0.85,
+                "previous_close": 3768.0,
+                "amount_billion": 4200.5,
+                "quote_time": "2026-07-20T10:05:00+08:00",
+                "source": "eastmoney_push2",
+            }
+        ]
+
+
 class RealtimeDashboardTests(unittest.TestCase):
     def setUp(self):
         TushareClient._realtime_reference_cache.clear()
@@ -184,6 +249,121 @@ class RealtimeDashboardTests(unittest.TestCase):
         self.assertEqual(dashboard["meta"]["quote_count"], 3)
         self.assertEqual(dashboard["overview"]["limit_up_count"], 0)
 
+    def test_rt_k_permission_error_falls_back_to_free_quotes(self):
+        original_query = self.client.query
+
+        def query(api_name, params=None, fields=""):
+            if api_name == "rt_k":
+                raise TushareError("没有接口访问权限")
+            return original_query(api_name, params, fields)
+
+        self.client.query = query
+        self.client.realtime_aggregator = FakeFreeAggregator()
+        TushareClient._realtime_reference_cache.clear()
+        dashboard = self.client._realtime_dashboard("20260720", "20260720", "20260717")
+
+        self.assertTrue(dashboard["meta"]["realtime"])
+        self.assertEqual(dashboard["meta"]["quote_source"], "eastmoney_clist")
+        self.assertEqual(dashboard["meta"]["trade_date"], "2026-07-20")
+        self.assertEqual(dashboard["meta"]["quote_count"], 3)
+        self.assertEqual(dashboard["overview"]["limit_up_count"], 1)
+        self.assertEqual(dashboard["overview"]["limit_down_count"], 1)
+        self.assertEqual(dashboard["overview"]["amount_billion"], 6.0)
+        self.assertIn("东财免费实时", dashboard["meta"]["notice"])
+        self.assertEqual(dashboard["meta"]["indices"][0]["price"], 3800.12)
+
+    def test_rt_k_empty_result_falls_back_to_free_quotes(self):
+        original_query = self.client.query
+
+        def query(api_name, params=None, fields=""):
+            if api_name == "rt_k":
+                return []
+            return original_query(api_name, params, fields)
+
+        self.client.query = query
+        self.client.realtime_aggregator = FakeFreeAggregator()
+        TushareClient._realtime_reference_cache.clear()
+        dashboard = self.client._realtime_dashboard("20260720", "20260720", "20260717")
+        self.assertEqual(dashboard["meta"]["quote_source"], "eastmoney_clist")
+        self.assertEqual(str(dashboard["meta"]["trade_date"]).replace("-", ""), "20260720")
+
+    def test_rt_k_and_free_source_failure_keeps_today_error(self):
+        original_query = self.client.query
+
+        def query(api_name, params=None, fields=""):
+            if api_name == "rt_k":
+                raise TushareError("没有接口访问权限")
+            return original_query(api_name, params, fields)
+
+        self.client.query = query
+        self.client.realtime_aggregator = FakeFreeAggregator(fail=True)
+        TushareClient._realtime_reference_cache.clear()
+        with self.assertRaises(TushareError) as ctx:
+            self.client._realtime_dashboard("20260720", "20260720", "20260717")
+        self.assertIn("当天盘中实时行情不可用", str(ctx.exception))
+        self.assertIn("没有接口访问权限", str(ctx.exception))
+
+    def test_rt_k_and_eastmoney_failure_falls_back_to_tencent(self):
+        original_query = self.client.query
+
+        def query(api_name, params=None, fields=""):
+            if api_name == "rt_k":
+                raise TushareError("没有接口访问权限")
+            return original_query(api_name, params, fields)
+
+        class TencentOnlyAggregator(FakeFreeAggregator):
+            def eastmoney_market_quotes(self, expected_date=""):
+                raise RealtimeAggregateError("eastmoney blocked")
+
+            def tencent_market_quotes(self, codes, expected_date=""):
+                return list(FREE_QUOTES)
+
+        self.client.query = query
+        self.client.realtime_aggregator = TencentOnlyAggregator()
+        TushareClient._realtime_reference_cache.clear()
+        dashboard = self.client._realtime_dashboard("20260720", "20260720", "20260717")
+        self.assertEqual(dashboard["meta"]["quote_source"], "tencent_qt")
+        self.assertEqual(str(dashboard["meta"]["trade_date"]).replace("-", ""), "20260720")
+        self.assertIn("腾讯免费实时", dashboard["meta"]["notice"])
+        self.assertEqual(dashboard["overview"]["amount_billion"], 6.0)
+
+    def test_normalize_eastmoney_quote_maps_units_and_exchange(self):
+        quote = _normalize_eastmoney_quote(
+            {
+                "f12": "600000",
+                "f13": 1,
+                "f14": "浦发银行",
+                "f2": 10.5,
+                "f5": 12.0,
+                "f6": 200000000,
+                "f15": 10.8,
+                "f16": 10.2,
+                "f17": 10.3,
+                "f18": 10.0,
+                "f124": 1752986700,
+            }
+        )
+        self.assertEqual(quote["ts_code"], "600000.SH")
+        self.assertEqual(quote["vol"], 1200)
+        self.assertEqual(quote["close"], 10.5)
+        self.assertEqual(quote["pre_close"], 10.0)
+        self.assertEqual(quote["source"], "eastmoney_clist")
+
+    def test_parse_tencent_stock_quote_keeps_today_and_units(self):
+        line = (
+            'v_sz000001="51~平安银行~000001~11.73~11.70~11.66~346232~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~0~'
+            '~20260720100500~0.03~0.26~11.79~11.65~11.73/346232/406045563~346232~40605~0.18~5.24~~11.79~11.65~1.20~'
+            '2276.29~2276.31~0.49~12.87~10.53~0.95~-3076~11.73~4.43~5.34~~~0.18~40604.5563~0.0000~0~";'
+        )
+        quote = _parse_tencent_stock_quote(line)
+        self.assertEqual(quote["ts_code"], "000001.SZ")
+        self.assertEqual(quote["quote_date"], "20260720")
+        self.assertEqual(quote["close"], 11.73)
+        self.assertEqual(quote["pre_close"], 11.70)
+        self.assertEqual(quote["vol"], 34623200)
+        self.assertEqual(quote["amount"], 406050000)
+        self.assertEqual(quote["source"], "tencent_qt")
+
 
 if __name__ == "__main__":
     unittest.main()