删除实时行情、盘口深度和监控规则功能

Co-Authored-By: Claude <noreply@anthropic.com>

serve/backend/app/tickflow/client.py

@@ -18,7 +18,6 @@ from app import secrets_store
 
 _sync_client: TickFlow | None = None
 _async_client: AsyncTickFlow | None = None
-_paid_realtime_client: TickFlow | None = None
 
 
 # ===== 服务器归属判定 =====
@@ -72,27 +71,11 @@ def get_async_client() -> AsyncTickFlow:
     return _async_client
 
 
-def get_paid_realtime_client() -> TickFlow | None:
-    """实时行情专用付费服务器客户端。
-
-    none/free 的历史日K仍走 get_client() 的 free-api；实时行情全部走付费服务器。
-    Free 档如果有有效 key，也使用这里的 paid endpoint 调按标的实时接口。
-    """
-    global _paid_realtime_client
-    key = secrets_store.get_tickflow_key()
-    if not key:
-        return None
-    if _paid_realtime_client is None:
-        _paid_realtime_client = TickFlow(api_key=key, base_url=_base_url())
-    return _paid_realtime_client
-
-
 def reset_clients() -> None:
     """Key 变化后调用 — 让下一次 get_client() 拿新实例。"""
-    global _sync_client, _async_client, _paid_realtime_client
+    global _sync_client, _async_client
     _sync_client = None
     _async_client = None
-    _paid_realtime_client = None
 
 
 def current_mode() -> str: