Download center: copy code, online/offline status; remove client offline mode.

Co-authored-by: Cursor <cursoragent@cursor.com>

desktop/gold_order_app.py

@@ -621,6 +621,7 @@ class OrderApp(tk.Tk):
         self._pos_profit_labels: dict = {}
         self._build_ui()
         self.after(200, self._try_connect_and_refresh)
+        self.after(3000, self._hub_heartbeat)
 
     def _build_ui(self) -> None:
         style = ttk.Style(self)
@@ -1445,17 +1446,41 @@ class OrderApp(tk.Tk):
 
         self._run_async(work)
 
+    def _hub_heartbeat(self) -> None:
+        """定期 ping 中控，供网页显示在线；断线则提示（不允许离线运行）。"""
+        if hub_client is None or not is_activated():
+            self.after(60000, self._hub_heartbeat)
+            return
+
+        def work():
+            ok = False
+            try:
+                ok = bool(hub_client.ping())
+            except Exception:
+                ok = False
+            return ok
+
+        def done(ok: bool):
+            if not ok:
+                self.set_status("中控离线：请检查服务器，客户端需保持在线", ok=False)
+            self.after(60000, self._hub_heartbeat)
+
+        def run():
+            ok = work()
+            self.after(0, lambda: done(ok))
+
+        threading.Thread(target=run, daemon=True).start()
+
     def on_open_review(self) -> None:
-        """打开中控复盘登录页（浏览器）。"""
+        """打开中控复盘登录页（浏览器），使用已保存地址。"""
         server = ""
         try:
             server = (load_device().get("server") or "").rstrip("/")
         except Exception:
             server = ""
         if not server:
-            server = simpledialog_ask_server(self)
-            if not server:
-                return
+            self.set_status("未激活：请先完成中控激活", ok=False)
+            return
         url = server.rstrip("/") + "/login"
         try:
             webbrowser.open(url)