feat(HEL-463): 接入剩余行情数据到 datahub

扩展盘后正式集（涨跌停/人气/龙虎榜/板块日线）与盘中观察 API（报价/指数/分时），网站 bridge 按开关接入并回退旧链路；问天改为按数据依赖跟随开关，不再整栈强制旧路径。

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

xiaobai-datahub/tests/test_layout.py

@@ -19,11 +19,17 @@ class LayoutTests(unittest.TestCase):
     def test_reserved_adapters_present(self) -> None:
         from datahub.adapters import RESERVED
 
-        for name in ("eastmoney", "tencent", "ths", "xgb", "akshare", "ifind"):
+        for name in ("ths", "xgb", "akshare", "ifind"):
             self.assertIn(name, RESERVED)
             probe = RESERVED[name].probe()
             self.assertEqual(probe["state"], "reserved")
             self.assertFalse(probe["configured"])
+        for name in ("eastmoney", "tencent"):
+            self.assertIn(name, RESERVED)
+            probe = RESERVED[name].probe()
+            # Live free adapters: probe may be ok/error/empty depending on network.
+            self.assertIn(probe["state"], {"ok", "empty", "error"})
+            self.assertTrue(probe["configured"])
 
 
 if __name__ == "__main__":