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/db.py

@@ -7,9 +7,10 @@ from contextlib import contextmanager
 from pathlib import Path
 from typing import Any
 
+from datahub.datasets_ext import EXTENDED_DATASET_TABLES, EXTENDED_SCHEMA
 from datahub.timeutil import isoformat
 
-SCHEMA = """
+_BASE_SCHEMA = """
 CREATE TABLE IF NOT EXISTS schema_migrations (
   version INTEGER PRIMARY KEY,
   applied_at TEXT NOT NULL
@@ -282,6 +283,8 @@ CREATE INDEX IF NOT EXISTS idx_eod_bars_date ON eod_bars(trade_date, batch_id);
 CREATE INDEX IF NOT EXISTS idx_calendar_open ON trade_calendar(is_open, cal_date);
 """
 
+SCHEMA = _BASE_SCHEMA + EXTENDED_SCHEMA
+
 DATASET_TABLES = {
     "daily": ("eod_bars", "staging_bars"),
     "valuation": ("eod_valuation", "staging_valuation"),
@@ -289,6 +292,7 @@ DATASET_TABLES = {
     "auction": ("eod_auction", "staging_auction"),
     "index_daily": ("eod_index_bars", "staging_index_bars"),
     "stocks": ("eod_stocks", "staging_stocks"),
+    **EXTENDED_DATASET_TABLES,
 }