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>

backend/data/datahub/bridge.py

@@ -21,11 +21,14 @@ from backend.data.providers.tushare_client import TushareClient
 
 LOGGER = logging.getLogger("xiaobai.datahub")
 ShadowSink = Callable[[dict[str, Any]], None]
-EMPTY_FAIL_DATASETS = {"stocks", "daily", "index_daily", "valuation", "moneyflow", "auction"}
+EMPTY_FAIL_DATASETS = {
+    "stocks", "daily", "index_daily", "valuation", "moneyflow", "auction",
+    "limit_events", "sector_daily",
+}
 
 
 def looks_like_heaven(module_name: str, filename: str = "") -> bool:
-    """问天调用栈识别。问天未永久冻结，只是本阶段仍走旧 Tushare 链路。"""
+    """问天调用栈识别（诊断用）。问天按数据集依赖接入，不再整栈强制旧链路。"""
     path = filename.replace("\\", "/")
     return module_name.startswith("backend.features.heaven") or "/features/heaven/" in path
 
@@ -96,8 +99,8 @@ class DatahubBridge:
         legacy_query: Callable[..., list[dict[str, Any]]],
     ) -> list[dict[str, Any]]:
         dataset = API_TO_DATASET.get(api_name)
-        # 问天允许后续纳入 datahub；首批只读接入仍保持旧链路，避免误切。
-        if not dataset or self.heaven_guard():
+        # 问天按实际数据依赖接入：已映射到 hub 的 API 跟随开关；未映射的继续旧链路。
+        if not dataset:
             return legacy_query(api_name, params, fields)
         flags = self.settings.flags(dataset)
         if not flags.read and not flags.shadow:
@@ -108,7 +111,7 @@ class DatahubBridge:
         hub_error: str | None = None
         hub_canonical: list[dict[str, Any]] = []
         try:
-            response = self._fetch_dataset(dataset, params or {})
+            response = self._fetch_dataset(dataset, params or {}, api_name=api_name)
             hub_canonical = self._extract_rows(dataset, response, params or {})
             hub_rows = to_native_rows(dataset, hub_canonical)
             hub_meta = dict(response.meta)
@@ -136,7 +139,7 @@ class DatahubBridge:
             return project_fields(hub_rows, fields)
         return legacy_query(api_name, params, fields)
 
-    def _fetch_dataset(self, dataset: str, params: dict[str, Any]) -> DatahubResponse:
+    def _fetch_dataset(self, dataset: str, params: dict[str, Any], api_name: str = "") -> DatahubResponse:
         date = yyyymmdd(params.get("trade_date") or params.get("date"))
         start = yyyymmdd(params.get("start_date") or params.get("from") or date)
         end = yyyymmdd(params.get("end_date") or params.get("to") or date)
@@ -153,6 +156,10 @@ class DatahubBridge:
             "valuation": self.client.valuation,
             "moneyflow": self.client.moneyflow,
             "auction": self.client.auction,
+            "limit_events": self.client.limit_events,
+            "popularity": self.client.popularity,
+            "dragon_tiger": self.client.dragon_tiger,
+            "sector_daily": self.client.sectors,
         }
         fetcher = fetchers[dataset]
         query: dict[str, Any] = {}
@@ -167,6 +174,23 @@ class DatahubBridge:
                 query["to"] = end
         if dataset == "daily":
             query["adjust"] = "none"
+        if dataset == "limit_events":
+            limit_type = str(params.get("limit_type") or "").strip().upper()
+            if limit_type:
+                query["limit_type"] = limit_type
+        if dataset == "popularity":
+            if api_name == "ths_hot":
+                query["source"] = "ths"
+            elif api_name == "dc_hot":
+                query["source"] = "dc"
+        if dataset == "sector_daily":
+            family = {
+                "ths_daily": "ths",
+                "dc_index": "dc",
+                "sw_daily": "sw",
+            }.get(api_name, "")
+            if family:
+                query["family"] = family
         return self._paginate(fetcher, query)
 
     def _paginate(self, fetcher: Callable[..., DatahubResponse], params: dict[str, Any]) -> DatahubResponse: