feat: 实现上下文使用量监控和会话压缩功能
- sseHandler: 新增 onContextUsage 回调处理上下文使用量事件 - dialogService: 集成上下文使用量回调,追踪 AI 消息用于后端重启恢复 - apiClient: 新增 compactDialog API 支持手动压缩对话历史 - messageHandler: 新增 lastTaskId 管理机制,支持会话恢复后的压缩操作,转发上下文使用量到 WebView
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@ -155,6 +155,26 @@ export async function stopDialog(taskId: string): Promise<StopDialogResponse> {
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});
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});
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}
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}
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/** 压缩对话响应 */
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export interface CompactDialogResponse {
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success: boolean;
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taskId: string;
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message?: string;
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error?: string;
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}
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/**
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* 手动压缩对话历史
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* POST /api/dialog/compact
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*/
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export async function compactDialog(taskId: string): Promise<CompactDialogResponse> {
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console.log(`[API] 压缩对话: taskId=${taskId}`);
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return request<CompactDialogResponse>('/api/dialog/compact', {
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method: 'POST',
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body: { taskId }
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});
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}
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/**
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/**
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* 创建成功的工具结果
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* 创建成功的工具结果
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*/
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*/
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@ -73,6 +73,8 @@ export interface DialogCallbacks {
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onError?: (message: string) => void;
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onError?: (message: string) => void;
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/** 通知消息 */
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/** 通知消息 */
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onNotification?: (message: string) => void;
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onNotification?: (message: string) => void;
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/** 上下文使用量更新 */
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onContextUsage?: (data: { currentTokens: number; maxTokens: number; percentage: number }) => void;
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}
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}
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/**
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/**
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@ -553,6 +555,12 @@ export class DialogSession {
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onComplete: (data) => {
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onComplete: (data) => {
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this.isActive = false;
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this.isActive = false;
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this.finalizeTextSegment();
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this.finalizeTextSegment();
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// 追踪 AI 消息(用于后端重启后恢复)
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if (this.accumulatedText) {
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historyManager.trackAiMessage(this.accumulatedText);
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}
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// 发送所有段落
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// 发送所有段落
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callbacks.onComplete?.(this.segments);
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callbacks.onComplete?.(this.segments);
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},
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},
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@ -639,6 +647,11 @@ export class DialogSession {
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await historyManager.saveCompactedData(data.compactedData);
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await historyManager.saveCompactedData(data.compactedData);
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},
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},
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onContextUsage: (data) => {
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console.log('[DialogSession] onContextUsage:', data.currentTokens, '/', data.maxTokens);
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callbacks.onContextUsage?.(data);
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},
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onOpen: () => {
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onOpen: () => {
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console.log('[DialogSession] SSE 连接已建立');
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console.log('[DialogSession] SSE 连接已建立');
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},
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},
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@ -27,7 +27,8 @@ import type {
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AgentStartEvent,
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AgentStartEvent,
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AgentProgressEvent,
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AgentProgressEvent,
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AgentCompleteEvent,
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AgentCompleteEvent,
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AgentErrorEvent
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AgentErrorEvent,
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ContextUsageEvent
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} from '../types/api';
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} from '../types/api';
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import type { MemoryCompactedEvent } from '../types/memory';
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import type { MemoryCompactedEvent } from '../types/memory';
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@ -71,6 +72,8 @@ export interface SSECallbacks {
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onAgentError?: (data: AgentErrorEvent) => void;
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onAgentError?: (data: AgentErrorEvent) => void;
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/** 记忆压缩完成 */
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/** 记忆压缩完成 */
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onMemoryCompacted?: (data: MemoryCompactedEvent) => void;
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onMemoryCompacted?: (data: MemoryCompactedEvent) => void;
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/** 上下文使用量更新 */
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onContextUsage?: (data: ContextUsageEvent) => void;
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/** 连接打开 */
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/** 连接打开 */
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onOpen?: () => void;
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onOpen?: () => void;
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/** 连接关闭 */
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/** 连接关闭 */
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@ -325,6 +328,9 @@ function dispatchEvent(
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case 'memory_compacted':
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case 'memory_compacted':
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callbacks.onMemoryCompacted?.(data as MemoryCompactedEvent);
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callbacks.onMemoryCompacted?.(data as MemoryCompactedEvent);
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break;
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break;
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case 'context_usage':
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callbacks.onContextUsage?.(data as ContextUsageEvent);
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break;
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default:
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default:
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console.log(`[SSE] 未知事件类型: ${eventType}`, data);
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console.log(`[SSE] 未知事件类型: ${eventType}`, data);
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}
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}
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@ -27,6 +27,9 @@ let useBackendService = true;
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/** 当前对话会话 */
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/** 当前对话会话 */
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let currentSession: DialogSession | null = null;
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let currentSession: DialogSession | null = null;
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/** 最后一个活跃的 taskId(用于压缩等操作) */
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let lastTaskId: string | null = null;
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/** 待执行的计划(Plan 模式确认后自动执行) */
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/** 待执行的计划(Plan 模式确认后自动执行) */
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let pendingPlanExecution: {
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let pendingPlanExecution: {
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panel: vscode.WebviewPanel;
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panel: vscode.WebviewPanel;
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@ -128,6 +131,8 @@ async function handleUserMessageWithBackend(
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// 创建或复用会话
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// 创建或复用会话
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if (!currentSession || !currentSession.active) {
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if (!currentSession || !currentSession.active) {
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currentSession = dialogManager.createSession(extensionPath, reuseTaskId);
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currentSession = dialogManager.createSession(extensionPath, reuseTaskId);
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// 保存 taskId 用于后续操作(如压缩)
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lastTaskId = currentSession.getTaskId();
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if (reuseTaskId) {
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if (reuseTaskId) {
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console.log('[MessageHandler] 复用 taskId 创建会话:', reuseTaskId);
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console.log('[MessageHandler] 复用 taskId 创建会话:', reuseTaskId);
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}
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}
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@ -253,6 +258,16 @@ async function handleUserMessageWithBackend(
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onNotification: (message) => {
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onNotification: (message) => {
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vscode.window.showInformationMessage(message);
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vscode.window.showInformationMessage(message);
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},
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},
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onContextUsage: (data) => {
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// 发送上下文使用量到 WebView
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panel.webview.postMessage({
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command: 'contextUsage',
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currentTokens: data.currentTokens,
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maxTokens: data.maxTokens,
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percentage: data.percentage
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});
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},
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}, mode);
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}, mode);
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});
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});
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}
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}
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@ -310,7 +325,15 @@ export async function abortCurrentDialog(): Promise<void> {
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* 获取当前会话的 taskId
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* 获取当前会话的 taskId
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*/
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*/
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export function getCurrentTaskId(): string | null {
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export function getCurrentTaskId(): string | null {
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return currentSession?.getTaskId() || null;
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return currentSession?.getTaskId() || lastTaskId;
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}
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/**
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* 设置最后的 taskId(加载历史会话时调用)
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*/
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export function setLastTaskId(taskId: string): void {
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lastTaskId = taskId;
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console.log('[MessageHandler] 设置 lastTaskId:', taskId);
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}
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}
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/**
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/**
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