feat: API key availability monitoring — auto-select best key from AgentsMeeting

server.py

@@ -1329,6 +1329,17 @@ def api_xmpp_autoheal():
         return jsonify({"error": "xmpp_logger not available"}), 500
 
 
+@app.route("/api/xmpp/keys")
+def api_xmpp_keys():
+    """API Key 可用性：从 AgentsMeeting 获取并选择最佳 key"""
+    try:
+        from xmpp_logger import best_key
+        bk = best_key()
+        return jsonify({"best_key": bk} if bk else {"error": "no keys available"})
+    except ImportError:
+        return jsonify({"error": "xmpp_logger not available"}), 500
+
+
 # 注册提示词管理路由
 register_routes(app)