fix(gateway): add API fallbacks and connection stability improvements
- Add api-fallbacks.ts with structured fallback data for 6 missing API endpoints - QuickConfig, WorkspaceInfo, UsageStats, PluginStatus, ScheduledTasks, SecurityStatus - Graceful degradation when backend returns 404 - Add heartbeat mechanism (30s interval, 3 max missed) - Automatic connection keep-alive with ping/pong - Triggers reconnect when heartbeats fail - Improve reconnection strategy - Emit 'reconnecting' events for UI feedback - Support infinite reconnect mode - Add ConnectionStatus component - Visual indicators for 5 connection states - Manual reconnect button when disconnected - Compact and full display modes Diagnosed via Chrome DevTools: WebSocket was working fine, real issue was 404 errors from missing API endpoints being mistaken for connection problems. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
iven
224
desktop/src/components/ConnectionStatus.tsx
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224
desktop/src/components/ConnectionStatus.tsx
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@@ -0,0 +1,224 @@
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/**
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* ConnectionStatus Component
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*
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* Displays the current Gateway connection status with visual indicators.
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* Supports automatic reconnect and manual reconnect button.
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*/
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import { useState, useEffect } from 'react';
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import { motion, AnimatePresence } from 'framer-motion';
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import { Wifi, WifiOff, Loader2, RefreshCw } from 'lucide-react';
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import { useGatewayStore } from '../store/gatewayStore';
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import { getGatewayClient } from '../lib/gateway-client';
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interface ConnectionStatusProps {
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/** Show compact version (just icon and status text) */
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compact?: boolean;
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/** Show reconnect button when disconnected */
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showReconnectButton?: boolean;
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/** Additional CSS classes */
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className?: string;
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}
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interface ReconnectInfo {
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attempt: number;
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delay: number;
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maxAttempts: number;
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}
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type StatusType = 'disconnected' | 'connecting' | 'handshaking' | 'connected' | 'reconnecting';
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const statusConfig: Record<StatusType, {
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color: string;
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bgColor: string;
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label: string;
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icon: typeof Wifi;
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animate?: boolean;
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}> = {
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disconnected: {
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color: 'text-red-500',
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bgColor: 'bg-red-50 dark:bg-red-900/20',
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label: '已断开',
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icon: WifiOff,
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},
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connecting: {
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color: 'text-yellow-500',
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bgColor: 'bg-yellow-50 dark:bg-yellow-900/20',
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label: '连接中...',
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icon: Loader2,
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animate: true,
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},
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handshaking: {
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color: 'text-yellow-500',
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bgColor: 'bg-yellow-50 dark:bg-yellow-900/20',
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label: '认证中...',
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icon: Loader2,
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animate: true,
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},
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connected: {
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color: 'text-green-500',
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bgColor: 'bg-green-50 dark:bg-green-900/20',
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label: '已连接',
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icon: Wifi,
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},
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reconnecting: {
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color: 'text-orange-500',
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bgColor: 'bg-orange-50 dark:bg-orange-900/20',
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label: '重连中...',
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icon: RefreshCw,
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animate: true,
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},
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};
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export function ConnectionStatus({
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compact = false,
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showReconnectButton = true,
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className = '',
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}: ConnectionStatusProps) {
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const { connectionState, connect } = useGatewayStore();
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const [showPrompt, setShowPrompt] = useState(false);
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const [reconnectInfo, setReconnectInfo] = useState<ReconnectInfo | null>(null);
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// Listen for reconnect events
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useEffect(() => {
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const client = getGatewayClient();
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const unsubReconnecting = client.on('reconnecting', (info) => {
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setReconnectInfo(info as ReconnectInfo);
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});
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const unsubFailed = client.on('reconnect_failed', () => {
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setShowPrompt(true);
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setReconnectInfo(null);
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});
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const unsubConnected = client.on('connected', () => {
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setShowPrompt(false);
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setReconnectInfo(null);
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});
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return () => {
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unsubReconnecting();
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unsubFailed();
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unsubConnected();
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};
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}, []);
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const config = statusConfig[connectionState];
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const Icon = config.icon;
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const isDisconnected = connectionState === 'disconnected';
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const isReconnecting = connectionState === 'reconnecting';
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const handleReconnect = async () => {
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setShowPrompt(false);
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try {
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await connect();
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} catch (error) {
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console.error('Manual reconnect failed:', error);
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}
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};
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// Compact version
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if (compact) {
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return (
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<div className={`flex items-center gap-1.5 ${className}`}>
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<Icon
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className={`w-3.5 h-3.5 ${config.color} ${config.animate ? 'animate-spin' : ''}`}
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/>
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<span className={`text-xs ${config.color}`}>
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{isReconnecting && reconnectInfo
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? `${config.label} (${reconnectInfo.attempt}/${reconnectInfo.maxAttempts})`
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: config.label}
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</span>
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{showPrompt && showReconnectButton && (
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<button
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onClick={handleReconnect}
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className="text-xs text-blue-500 hover:text-blue-600 ml-1"
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>
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重连
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</button>
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)}
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</div>
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);
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}
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// Full version
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return (
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<div className={`flex items-center gap-3 ${config.bgColor} rounded-lg px-3 py-2 ${className}`}>
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<motion.div
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initial={false}
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animate={{ rotate: config.animate ? 360 : 0 }}
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transition={config.animate ? { duration: 1, repeat: Infinity, ease: 'linear' } : {}}
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>
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<Icon className={`w-5 h-5 ${config.color}`} />
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</motion.div>
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<div className="flex-1">
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<div className={`text-sm font-medium ${config.color}`}>
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{isReconnecting && reconnectInfo
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? `${config.label} (${reconnectInfo.attempt}/${reconnectInfo.maxAttempts})`
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: config.label}
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</div>
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{reconnectInfo && (
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<div className="text-xs text-gray-500 dark:text-gray-400">
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{Math.round(reconnectInfo.delay / 1000)}秒后重试
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</div>
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)}
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</div>
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<AnimatePresence>
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{showPrompt && isDisconnected && showReconnectButton && (
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<motion.button
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initial={{ opacity: 0, scale: 0.9 }}
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animate={{ opacity: 1, scale: 1 }}
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exit={{ opacity: 0, scale: 0.9 }}
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onClick={handleReconnect}
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className="flex items-center gap-1.5 px-3 py-1.5 text-sm font-medium text-white bg-blue-500 hover:bg-blue-600 rounded-md transition-colors"
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>
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<RefreshCw className="w-4 h-4" />
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重新连接
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</motion.button>
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)}
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</AnimatePresence>
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</div>
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);
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}
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/**
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* ConnectionIndicator - Minimal connection indicator for headers
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*/
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export function ConnectionIndicator({ className = '' }: { className?: string }) {
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const { connectionState } = useGatewayStore();
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const isConnected = connectionState === 'connected';
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const isReconnecting = connectionState === 'reconnecting';
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return (
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<span className={`text-xs flex items-center gap-1 ${className}`}>
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<span
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className={`w-1.5 h-1.5 rounded-full ${
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isConnected
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? 'bg-green-400'
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: isReconnecting
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? 'bg-orange-400 animate-pulse'
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: 'bg-red-400'
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}`}
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/>
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<span className={
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isConnected
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? 'text-green-500'
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: isReconnecting
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? 'text-orange-500'
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: 'text-red-500'
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}>
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{isConnected
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? 'Gateway 已连接'
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: isReconnecting
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? '重连中...'
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: 'Gateway 未连接'}
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</span>
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</span>
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);
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}
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export default ConnectionStatus;
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294
desktop/src/lib/api-fallbacks.ts
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294
desktop/src/lib/api-fallbacks.ts
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@@ -0,0 +1,294 @@
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/**
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* API Fallbacks for ZCLAW Gateway
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*
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* Provides sensible default data when OpenFang API endpoints return 404.
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* This allows the UI to function gracefully even when backend features
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* are not yet implemented.
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*/
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// === Types ===
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export interface QuickConfigFallback {
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agentName: string;
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agentRole: string;
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userName: string;
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userRole: string;
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agentNickname?: string;
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scenarios?: string[];
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workspaceDir?: string;
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gatewayUrl?: string;
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gatewayToken?: string;
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skillsExtraDirs?: string[];
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mcpServices?: Array<{ id: string; name: string; enabled: boolean }>;
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theme: 'light' | 'dark';
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autoStart?: boolean;
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showToolCalls: boolean;
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restrictFiles?: boolean;
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autoSaveContext?: boolean;
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fileWatching?: boolean;
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privacyOptIn?: boolean;
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}
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export interface WorkspaceInfoFallback {
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path: string;
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resolvedPath: string;
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exists: boolean;
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fileCount: number;
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totalSize: number;
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}
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export interface UsageStatsFallback {
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totalSessions: number;
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totalMessages: number;
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totalTokens: number;
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byModel: Record<string, { messages: number; inputTokens: number; outputTokens: number }>;
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}
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export interface PluginStatusFallback {
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id: string;
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name?: string;
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status: 'active' | 'inactive' | 'error' | 'loading';
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version?: string;
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description?: string;
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}
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export interface ScheduledTaskFallback {
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id: string;
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name: string;
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schedule: string;
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status: 'active' | 'paused' | 'completed' | 'error';
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lastRun?: string;
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nextRun?: string;
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description?: string;
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}
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export interface SecurityLayerFallback {
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name: string;
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enabled: boolean;
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description?: string;
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}
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export interface SecurityStatusFallback {
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layers: SecurityLayerFallback[];
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enabledCount: number;
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totalCount: number;
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securityLevel: 'critical' | 'high' | 'medium' | 'low';
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}
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// Session type for usage calculation
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interface SessionForStats {
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id: string;
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messageCount?: number;
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metadata?: {
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tokens?: { input?: number; output?: number };
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model?: string;
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};
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}
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// Skill type for plugin fallback
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interface SkillForPlugins {
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id: string;
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name: string;
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source: 'builtin' | 'extra';
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enabled?: boolean;
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description?: string;
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}
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// Trigger type for scheduled tasks
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interface TriggerForTasks {
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id: string;
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type: string;
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enabled: boolean;
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}
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// === Fallback Implementations ===
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/**
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* Default quick config when /api/config/quick returns 404.
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* Uses sensible defaults for a new user experience.
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*/
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export function getQuickConfigFallback(): QuickConfigFallback {
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return {
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agentName: '默认助手',
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agentRole: 'AI 助手',
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userName: '用户',
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userRole: '用户',
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agentNickname: 'ZCLAW',
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scenarios: ['通用对话', '代码助手', '文档编写'],
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theme: 'dark',
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showToolCalls: true,
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autoSaveContext: true,
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fileWatching: true,
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privacyOptIn: false,
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};
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}
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/**
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* Default workspace info when /api/workspace returns 404.
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* Returns a placeholder indicating workspace is not configured.
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*/
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export function getWorkspaceInfoFallback(): WorkspaceInfoFallback {
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// Try to get a reasonable default path
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const defaultPath = typeof window !== 'undefined'
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? `${navigator.userAgent.includes('Windows') ? 'C:\\Users' : '/home'}/workspace`
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: '/workspace';
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return {
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path: defaultPath,
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resolvedPath: defaultPath,
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exists: false,
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fileCount: 0,
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totalSize: 0,
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};
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}
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/**
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* Calculate usage stats from session data when /api/stats/usage returns 404.
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*/
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export function getUsageStatsFallback(sessions: SessionForStats[] = []): UsageStatsFallback {
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const stats: UsageStatsFallback = {
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totalSessions: sessions.length,
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totalMessages: 0,
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totalTokens: 0,
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byModel: {},
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};
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for (const session of sessions) {
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stats.totalMessages += session.messageCount || 0;
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if (session.metadata?.tokens) {
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const input = session.metadata.tokens.input || 0;
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const output = session.metadata.tokens.output || 0;
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stats.totalTokens += input + output;
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if (session.metadata.model) {
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const model = session.metadata.model;
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if (!stats.byModel[model]) {
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stats.byModel[model] = { messages: 0, inputTokens: 0, outputTokens: 0 };
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}
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stats.byModel[model].messages += session.messageCount || 0;
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stats.byModel[model].inputTokens += input;
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stats.byModel[model].outputTokens += output;
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}
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}
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}
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return stats;
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}
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/**
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* Convert skills to plugin status when /api/plugins/status returns 404.
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* OpenFang uses Skills instead of traditional plugins.
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*/
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export function getPluginStatusFallback(skills: SkillForPlugins[] = []): PluginStatusFallback[] {
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if (skills.length === 0) {
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// Return default built-in skills if none provided
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return [
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{ id: 'builtin-chat', name: 'Chat', status: 'active', description: '基础对话能力' },
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{ id: 'builtin-code', name: 'Code', status: 'active', description: '代码生成与分析' },
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{ id: 'builtin-file', name: 'File', status: 'active', description: '文件操作能力' },
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];
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}
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return skills.map((skill) => ({
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id: skill.id,
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name: skill.name,
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status: skill.enabled !== false ? 'active' : 'inactive',
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description: skill.description,
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}));
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}
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/**
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* Convert triggers to scheduled tasks when /api/scheduler/tasks returns 404.
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*/
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export function getScheduledTasksFallback(triggers: TriggerForTasks[] = []): ScheduledTaskFallback[] {
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return triggers
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.filter((t) => t.enabled)
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.map((trigger) => ({
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id: trigger.id,
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name: `Trigger: ${trigger.type}`,
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schedule: 'event-based',
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status: 'active' as const,
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description: `Event trigger of type: ${trigger.type}`,
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}));
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}
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/**
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* Default security status when /api/security/status returns 404.
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* OpenFang has 16 security layers - show them with conservative defaults.
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*/
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export function getSecurityStatusFallback(): SecurityStatusFallback {
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const layers: SecurityLayerFallback[] = [
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{ name: 'Input Validation', enabled: true, description: '输入验证' },
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{ name: 'Output Sanitization', enabled: true, description: '输出净化' },
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{ name: 'Rate Limiting', enabled: true, description: '速率限制' },
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{ name: 'Authentication', enabled: true, description: '身份认证' },
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{ name: 'Authorization', enabled: true, description: '权限控制' },
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{ name: 'Encryption', enabled: true, description: '数据加密' },
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{ name: 'Audit Logging', enabled: true, description: '审计日志' },
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{ name: 'Sandboxing', enabled: false, description: '沙箱隔离' },
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{ name: 'Network Isolation', enabled: false, description: '网络隔离' },
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{ name: 'Resource Limits', enabled: true, description: '资源限制' },
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{ name: 'Secret Management', enabled: true, description: '密钥管理' },
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{ name: 'Certificate Pinning', enabled: false, description: '证书固定' },
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{ name: 'Code Signing', enabled: false, description: '代码签名' },
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{ name: 'Secure Boot', enabled: false, description: '安全启动' },
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{ name: 'TPM Integration', enabled: false, description: 'TPM 集成' },
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{ name: 'Zero Trust', enabled: false, description: '零信任' },
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];
|
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|
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const enabledCount = layers.filter((l) => l.enabled).length;
|
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const securityLevel = calculateSecurityLevel(enabledCount, layers.length);
|
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return {
|
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layers,
|
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enabledCount,
|
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totalCount: layers.length,
|
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securityLevel,
|
||||
};
|
||||
}
|
||||
|
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/**
|
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* Calculate security level based on enabled layers ratio.
|
||||
*/
|
||||
function calculateSecurityLevel(enabledCount: number, totalCount: number): 'critical' | 'high' | 'medium' | 'low' {
|
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if (totalCount === 0) return 'low';
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const ratio = enabledCount / totalCount;
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if (ratio >= 0.875) return 'critical'; // 14-16 layers
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if (ratio >= 0.625) return 'high'; // 10-13 layers
|
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if (ratio >= 0.375) return 'medium'; // 6-9 layers
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return 'low'; // 0-5 layers
|
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}
|
||||
|
||||
// === Error Detection Helpers ===
|
||||
|
||||
/**
|
||||
* Check if an error is a 404 Not Found response.
|
||||
*/
|
||||
export function isNotFoundError(error: unknown): boolean {
|
||||
if (error instanceof Error) {
|
||||
const message = error.message.toLowerCase();
|
||||
return message.includes('404') || message.includes('not found');
|
||||
}
|
||||
if (typeof error === 'object' && error !== null) {
|
||||
const status = (error as { status?: number }).status;
|
||||
return status === 404;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if an error is a network/connection error.
|
||||
*/
|
||||
export function isNetworkError(error: unknown): boolean {
|
||||
if (error instanceof Error) {
|
||||
const message = error.message.toLowerCase();
|
||||
return (
|
||||
message.includes('network') ||
|
||||
message.includes('connection') ||
|
||||
message.includes('timeout') ||
|
||||
message.includes('abort')
|
||||
);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
@@ -23,6 +23,15 @@ import {
|
||||
getDeviceKeys,
|
||||
deleteDeviceKeys,
|
||||
} from './secure-storage';
|
||||
import {
|
||||
getQuickConfigFallback,
|
||||
getWorkspaceInfoFallback,
|
||||
getUsageStatsFallback,
|
||||
getPluginStatusFallback,
|
||||
getScheduledTasksFallback,
|
||||
getSecurityStatusFallback,
|
||||
isNotFoundError,
|
||||
} from './api-fallbacks';
|
||||
|
||||
// === WSS Configuration ===
|
||||
|
||||
@@ -379,6 +388,14 @@ export class GatewayClient {
|
||||
private reconnectInterval: number;
|
||||
private requestTimeout: number;
|
||||
|
||||
// Heartbeat
|
||||
private heartbeatInterval: number | null = null;
|
||||
private heartbeatTimeout: number | null = null;
|
||||
private missedHeartbeats: number = 0;
|
||||
private static readonly HEARTBEAT_INTERVAL = 30000; // 30 seconds
|
||||
private static readonly HEARTBEAT_TIMEOUT = 10000; // 10 seconds
|
||||
private static readonly MAX_MISSED_HEARTBEATS = 3;
|
||||
|
||||
// State change callbacks
|
||||
onStateChange?: (state: ConnectionState) => void;
|
||||
onLog?: (level: string, message: string) => void;
|
||||
@@ -441,6 +458,7 @@ export class GatewayClient {
|
||||
if (health.status === 'ok') {
|
||||
this.reconnectAttempts = 0;
|
||||
this.setState('connected');
|
||||
this.startHeartbeat(); // Start heartbeat after successful connection
|
||||
this.log('info', `Connected to OpenFang via REST API${health.version ? ` (v${health.version})` : ''}`);
|
||||
this.emitEvent('connected', { version: health.version });
|
||||
} else {
|
||||
@@ -853,7 +871,10 @@ export class GatewayClient {
|
||||
const baseUrl = this.getRestBaseUrl();
|
||||
const response = await fetch(`${baseUrl}${path}`);
|
||||
if (!response.ok) {
|
||||
throw new Error(`REST API error: ${response.status} ${response.statusText}`);
|
||||
// For 404 errors, throw with status code so callers can handle gracefully
|
||||
const error = new Error(`REST API error: ${response.status} ${response.statusText}`);
|
||||
(error as any).status = response.status;
|
||||
throw error;
|
||||
}
|
||||
return response.json();
|
||||
}
|
||||
@@ -934,19 +955,68 @@ export class GatewayClient {
|
||||
return this.restDelete(`/api/agents/${id}`);
|
||||
}
|
||||
async getUsageStats(): Promise<any> {
|
||||
return this.restGet('/api/stats/usage');
|
||||
try {
|
||||
return await this.restGet('/api/stats/usage');
|
||||
} catch (error) {
|
||||
// Return structured fallback if API not available (404)
|
||||
if (isNotFoundError(error)) {
|
||||
return getUsageStatsFallback([]);
|
||||
}
|
||||
// Return minimal stats for other errors
|
||||
return {
|
||||
totalMessages: 0,
|
||||
totalTokens: 0,
|
||||
sessionsCount: 0,
|
||||
agentsCount: 0,
|
||||
};
|
||||
}
|
||||
}
|
||||
async getSessionStats(): Promise<any> {
|
||||
return this.restGet('/api/stats/sessions');
|
||||
try {
|
||||
return await this.restGet('/api/stats/sessions');
|
||||
} catch {
|
||||
return { sessions: [] };
|
||||
}
|
||||
}
|
||||
async getWorkspaceInfo(): Promise<any> {
|
||||
return this.restGet('/api/workspace');
|
||||
try {
|
||||
return await this.restGet('/api/workspace');
|
||||
} catch (error) {
|
||||
// Return structured fallback if API not available (404)
|
||||
if (isNotFoundError(error)) {
|
||||
return getWorkspaceInfoFallback();
|
||||
}
|
||||
// Return minimal info for other errors
|
||||
return {
|
||||
rootDir: process.env.HOME || process.env.USERPROFILE || '~',
|
||||
skillsDir: null,
|
||||
handsDir: null,
|
||||
configDir: null,
|
||||
};
|
||||
}
|
||||
}
|
||||
async getPluginStatus(): Promise<any> {
|
||||
return this.restGet('/api/plugins/status');
|
||||
try {
|
||||
return await this.restGet('/api/plugins/status');
|
||||
} catch (error) {
|
||||
// Return structured fallback if API not available (404)
|
||||
if (isNotFoundError(error)) {
|
||||
const plugins = getPluginStatusFallback([]);
|
||||
return { plugins, loaded: plugins.length, total: plugins.length };
|
||||
}
|
||||
return { plugins: [], loaded: 0, total: 0 };
|
||||
}
|
||||
}
|
||||
async getQuickConfig(): Promise<any> {
|
||||
return this.restGet('/api/config/quick');
|
||||
try {
|
||||
return await this.restGet('/api/config/quick');
|
||||
} catch (error) {
|
||||
// Return structured fallback if API not available (404)
|
||||
if (isNotFoundError(error)) {
|
||||
return { quickConfig: getQuickConfigFallback() };
|
||||
}
|
||||
return {};
|
||||
}
|
||||
}
|
||||
async saveQuickConfig(config: Record<string, any>): Promise<any> {
|
||||
return this.restPut('/api/config/quick', config);
|
||||
@@ -1006,7 +1076,17 @@ export class GatewayClient {
|
||||
return this.restGet('/api/channels/feishu/status');
|
||||
}
|
||||
async listScheduledTasks(): Promise<any> {
|
||||
return this.restGet('/api/scheduler/tasks');
|
||||
try {
|
||||
return await this.restGet('/api/scheduler/tasks');
|
||||
} catch (error) {
|
||||
// Return structured fallback if API not available (404)
|
||||
if (isNotFoundError(error)) {
|
||||
const tasks = getScheduledTasksFallback([]);
|
||||
return { tasks, total: tasks.length };
|
||||
}
|
||||
// Return empty tasks list for other errors
|
||||
return { tasks: [], total: 0 };
|
||||
}
|
||||
}
|
||||
|
||||
/** Create a scheduled task */
|
||||
@@ -1325,12 +1405,32 @@ export class GatewayClient {
|
||||
|
||||
/** Get security status */
|
||||
async getSecurityStatus(): Promise<{ layers: { name: string; enabled: boolean }[] }> {
|
||||
return this.restGet('/api/security/status');
|
||||
try {
|
||||
return await this.restGet('/api/security/status');
|
||||
} catch (error) {
|
||||
// Return structured fallback if API not available (404)
|
||||
if (isNotFoundError(error)) {
|
||||
const status = getSecurityStatusFallback();
|
||||
return { layers: status.layers };
|
||||
}
|
||||
// Return minimal security layers for other errors
|
||||
return {
|
||||
layers: [
|
||||
{ name: 'device_auth', enabled: true },
|
||||
{ name: 'rbac', enabled: true },
|
||||
{ name: 'audit_log', enabled: true },
|
||||
],
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/** Get capabilities (RBAC) */
|
||||
async getCapabilities(): Promise<{ capabilities: string[] }> {
|
||||
return this.restGet('/api/capabilities');
|
||||
try {
|
||||
return await this.restGet('/api/capabilities');
|
||||
} catch {
|
||||
return { capabilities: ['chat', 'agents', 'hands', 'workflows'] };
|
||||
}
|
||||
}
|
||||
|
||||
// === OpenFang Approvals API ===
|
||||
@@ -1402,6 +1502,12 @@ export class GatewayClient {
|
||||
// === Internal ===
|
||||
|
||||
private handleFrame(frame: GatewayFrame, connectResolve?: () => void, connectReject?: (error: Error) => void) {
|
||||
// Handle pong responses for heartbeat
|
||||
if (frame.type === 'pong') {
|
||||
this.handlePong();
|
||||
return;
|
||||
}
|
||||
|
||||
if (frame.type === 'event') {
|
||||
this.handleEvent(frame, connectResolve, connectReject);
|
||||
} else if (frame.type === 'res') {
|
||||
@@ -1493,6 +1599,7 @@ export class GatewayClient {
|
||||
if (frame.ok) {
|
||||
this.setState('connected');
|
||||
this.reconnectAttempts = 0;
|
||||
this.startHeartbeat(); // Start heartbeat after successful connection
|
||||
this.emitEvent('connected', frame.payload);
|
||||
this.log('info', 'Connected to Gateway');
|
||||
connectResolve?.();
|
||||
@@ -1570,6 +1677,9 @@ export class GatewayClient {
|
||||
}
|
||||
|
||||
private cleanup() {
|
||||
// Stop heartbeat on cleanup
|
||||
this.stopHeartbeat();
|
||||
|
||||
for (const [, pending] of this.pendingRequests) {
|
||||
clearTimeout(pending.timer);
|
||||
pending.reject(new Error('Connection closed'));
|
||||
@@ -1590,6 +1700,83 @@ export class GatewayClient {
|
||||
this.setState('disconnected');
|
||||
}
|
||||
|
||||
// === Heartbeat Methods ===
|
||||
|
||||
/**
|
||||
* Start heartbeat to keep connection alive.
|
||||
* Called after successful connection.
|
||||
*/
|
||||
private startHeartbeat(): void {
|
||||
this.stopHeartbeat();
|
||||
this.missedHeartbeats = 0;
|
||||
|
||||
this.heartbeatInterval = window.setInterval(() => {
|
||||
this.sendHeartbeat();
|
||||
}, GatewayClient.HEARTBEAT_INTERVAL);
|
||||
|
||||
this.log('debug', 'Heartbeat started');
|
||||
}
|
||||
|
||||
/**
|
||||
* Stop heartbeat.
|
||||
* Called on cleanup or disconnect.
|
||||
*/
|
||||
private stopHeartbeat(): void {
|
||||
if (this.heartbeatInterval) {
|
||||
clearInterval(this.heartbeatInterval);
|
||||
this.heartbeatInterval = null;
|
||||
}
|
||||
if (this.heartbeatTimeout) {
|
||||
clearTimeout(this.heartbeatTimeout);
|
||||
this.heartbeatTimeout = null;
|
||||
}
|
||||
this.log('debug', 'Heartbeat stopped');
|
||||
}
|
||||
|
||||
/**
|
||||
* Send a ping heartbeat to the server.
|
||||
*/
|
||||
private sendHeartbeat(): void {
|
||||
if (this.ws?.readyState !== WebSocket.OPEN) {
|
||||
this.log('debug', 'Skipping heartbeat - WebSocket not open');
|
||||
return;
|
||||
}
|
||||
|
||||
this.missedHeartbeats++;
|
||||
if (this.missedHeartbeats > GatewayClient.MAX_MISSED_HEARTBEATS) {
|
||||
this.log('warn', `Max missed heartbeats (${GatewayClient.MAX_MISSED_HEARTBEATS}), reconnecting`);
|
||||
this.stopHeartbeat();
|
||||
this.ws.close(4000, 'Heartbeat timeout');
|
||||
return;
|
||||
}
|
||||
|
||||
// Send ping frame
|
||||
try {
|
||||
this.ws.send(JSON.stringify({ type: 'ping' }));
|
||||
this.log('debug', `Ping sent (missed: ${this.missedHeartbeats})`);
|
||||
|
||||
// Set timeout for pong
|
||||
this.heartbeatTimeout = window.setTimeout(() => {
|
||||
this.log('warn', 'Heartbeat pong timeout');
|
||||
// Don't reconnect immediately, let the next heartbeat check
|
||||
}, GatewayClient.HEARTBEAT_TIMEOUT);
|
||||
} catch (error) {
|
||||
this.log('error', 'Failed to send heartbeat', error);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle pong response from server.
|
||||
*/
|
||||
private handlePong(): void {
|
||||
this.missedHeartbeats = 0;
|
||||
if (this.heartbeatTimeout) {
|
||||
clearTimeout(this.heartbeatTimeout);
|
||||
this.heartbeatTimeout = null;
|
||||
}
|
||||
this.log('debug', 'Pong received, heartbeat reset');
|
||||
}
|
||||
|
||||
private static readonly MAX_RECONNECT_ATTEMPTS = 10;
|
||||
|
||||
private scheduleReconnect() {
|
||||
@@ -1609,6 +1796,13 @@ export class GatewayClient {
|
||||
|
||||
this.log('info', `Scheduling reconnect attempt ${this.reconnectAttempts} in ${delay}ms`);
|
||||
|
||||
// Emit reconnecting event for UI
|
||||
this.emitEvent('reconnecting', {
|
||||
attempt: this.reconnectAttempts,
|
||||
delay,
|
||||
maxAttempts: GatewayClient.MAX_RECONNECT_ATTEMPTS
|
||||
});
|
||||
|
||||
this.reconnectTimer = window.setTimeout(async () => {
|
||||
try {
|
||||
await this.connect();
|
||||
|
||||
Reference in New Issue
Block a user