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/datahub/adapters/__init__.py

@@ -1,13 +1,13 @@
 from datahub.adapters.akshare import ADAPTER as akshare
-from datahub.adapters.eastmoney import ADAPTER as eastmoney
+from datahub.adapters.eastmoney import EastmoneyAdapter
 from datahub.adapters.ifind import ADAPTER as ifind
-from datahub.adapters.tencent import ADAPTER as tencent
+from datahub.adapters.tencent import TencentAdapter
 from datahub.adapters.ths import ADAPTER as ths
 from datahub.adapters.xgb import ADAPTER as xgb
 
 RESERVED = {
-    "eastmoney": eastmoney,
-    "tencent": tencent,
+    "eastmoney": EastmoneyAdapter(),
+    "tencent": TencentAdapter(),
     "ths": ths,
     "xgb": xgb,
     "akshare": akshare,