fix(HEL-494): enforce datahub as sole website market boundary

Co-authored-by: multica-agent <github@multica.ai>

backend/data/datahub/client.py

@@ -96,15 +96,6 @@ class DatahubClient:
             {"api_name": api_name, "params": params or {}, "fields": fields},
         )
 
-    def put_ifind_credentials(self, refresh_token: str, access_token: str = "") -> DatahubResponse:
-        return self.post(
-            "/v1/credentials/ifind",
-            {
-                "ifind_refresh_token": refresh_token,
-                "ifind_access_token": access_token,
-            },
-        )
-
     def sector_quote(self, code: str, date: str = "") -> DatahubResponse:
         payload: dict[str, Any] = {"code": code}
         if date:

backend/data/datahub/ifind_proxy.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import logging
 import time
 from typing import Any
 
@@ -8,9 +7,6 @@ from backend.data.datahub.bridge import DatahubBridge
 from backend.data.datahub.errors import DatahubError
 from backend.data.providers.ifind_client import IfindError
 
-LOGGER = logging.getLogger("xiaobai.datahub")
-
-
 class HubIfindProxy:
     """Website-facing iFinD facade. Talks only to xiaobai-datahub."""
 
@@ -18,20 +14,12 @@ class HubIfindProxy:
         self._datahub = datahub
         self._status: dict[str, Any] | None = None
         self._status_at = 0.0
-        self._pending: tuple[str, str] | None = None
 
     @property
     def configured(self) -> bool:
         return bool(self.status().get("configured"))
 
-    def set_credentials(self, refresh_token: str, access_token: str = "") -> None:
-        self._pending = (str(refresh_token or ""), str(access_token or ""))
-        self._status = None
-        self._status_at = 0.0
-        self._flush_credentials()
-
     def status(self) -> dict[str, Any]:
-        self._flush_credentials()
         now = time.monotonic()
         if self._status is not None and now - self._status_at < 30:
             return dict(self._status)
@@ -139,18 +127,7 @@ class HubIfindProxy:
             "sample_time": str(payload[0].get("time") or "") if payload else "",
         }
 
-    def _flush_credentials(self) -> None:
-        pending = self._pending
-        if pending is None or not self._datahub.settings.token:
-            return
-        try:
-            self._datahub.client.put_ifind_credentials(pending[0], pending[1])
-            self._pending = None
-        except DatahubError:
-            LOGGER.warning("datahub ifind credential push failed; will retry")
-
     def _rows(self, api_name: str, params: dict[str, Any]) -> list[dict[str, Any]]:
-        self._flush_credentials()
         try:
             response = self._datahub.client.query_api(api_name, params)
         except DatahubError as exc: