Method checkMasterStatus

Clockin.js:87–95

()

        // 检查主窗口状态
        checkMasterStatus() {
            const currentMaster = localStorage.getItem(STORAGE_KEYS.masterWindow);
            const lastHeartbeat = localStorage.getItem(STORAGE_KEYS.lastHeartbeat);
            
            if (!currentMaster || currentMaster === this.windowId || 
                !lastHeartbeat || Date.now() - parseInt(lastHeartbeat) > 30000) {
                this.becomeMaster();
            }
        }

        // 监听localStorage变化
        listenStorageChanges() {