Method setState

client-sdks/client-js/src/transport/websocket.ts:263–277

* 设置状态并通知监听器

(newState: WebSocketState)

   * 设置状态并通知监听器
   */
  private setState(newState: WebSocketState): void {
    if (this.state !== newState) {
      this.state = newState;
      console.log(`[WebSocket] State changed: ${newState}`);

      // 通知所有监听器
      this.stateChangeListeners.forEach((listener) => {
        try {
          listener(newState);
        } catch (error) {
          console.error("[WebSocket] State change listener error:", error);
        }
      });
    }
  }

  /**
   * 启动心跳