feat(risk): show live countdown on freeze status badges

Expose freeze_until_ms from risk API and tick hub/instance badges with remaining 1h/4h/daily time.

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

manual_trading_hub/static/app.js

@@ -514,6 +514,7 @@
 
   function formatRiskStatusBadge(riskStatus) {
     if (!riskStatus || typeof riskStatus !== "object") return "";
+    if (window.AccountRiskBadge) return AccountRiskBadge.formatBadgeHtml(riskStatus, esc);
     const st = riskStatus.status || "normal";
     const label = esc(riskStatus.status_label || "正常");
     const title = esc(riskStatus.reason || "");
@@ -4469,4 +4470,5 @@
         setActiveNav();
       });
   });
+  if (window.AccountRiskBadge) AccountRiskBadge.startTicker();
 })();