1. 工具批量审批:解决并行工具审批弹框覆盖问题,新增批量 IPC 通道和列表 UI,支持同工具多次调用分组展示;2. 审批弹框健壮性:超时 toast 防风暴、agent 状态同步清空、ErrorBoundary 防白屏;3. run_command maxFrequency 从 3 调整为 10;4. 开发规范新增 Toast 通知铁律(必须使用 MeToast)
381 lines
13 KiB
TypeScript
381 lines
13 KiB
TypeScript
/**
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* Confirmation Hook — 工具执行前用户确认钩子(v0.2.0 新增)
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*
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* 对 requiresPermission=true 或 riskLevel >= HIGH 的工具,
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* 通过 IPC 请求用户确认后再执行。
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*
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* 支持两种自动执行机制:
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* 1. 持久化自动执行(跨会话):存储在 ConfigService `tools.{toolName}.autoExecute`
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* 2. 会话内记忆:同一会话内不再重复询问(rememberDecisions)
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*
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* @see docs/生产级通用 AI Agent 智能体桌面应用:完整设计与构建指南.html — 第五章
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*/
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import { BrowserWindow } from 'electron';
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import type { MetonaToolCall, MetonaToolDef } from '../types';
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import type { PreToolHook, HookResult } from './pre-tool';
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import type { ConfigService } from '../../services/config.service';
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export interface ConfirmationRequest {
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toolCallId: string;
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toolName: string;
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args: Record<string, unknown>;
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riskLevel: string;
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reason: string;
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/**
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* 过期时间戳(ms),由 waitForConfirmation 注入,用于前端倒计时 UI。
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* 注意:beforeExecute 构造 request 时不带此字段,仅在 waitForConfirmation 中追加。
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*/
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expiresAt?: number;
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}
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export class ConfirmationHook implements PreToolHook {
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/** 需要确认的风险等级 */
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private static REQUIRES_CONFIRMATION = ['high', 'critical'];
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/** L-12 修复: 确认超时范围魔法数字提取为命名常量(30 秒 ~ 600 秒) */
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private static readonly MIN_CONFIRMATION_TIMEOUT_MS = 30_000;
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private static readonly MAX_CONFIRMATION_TIMEOUT_MS = 600_000;
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/** 工具定义缓存(由外部设置) */
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private toolDefs = new Map<string, MetonaToolDef>();
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/** 用户选择记忆(同一会话内不再重复询问) */
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private rememberedDecisions = new Map<string, boolean>();
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/** 持久化自动执行的工具集合(从 ConfigService 加载,跨会话生效) */
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private autoExecuteTools = new Set<string>();
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/** 等待确认的 Promise 解析器(含完整请求信息,供 getPendingConfirmations 返回) */
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private pendingConfirmations = new Map<string, {
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resolve: (v: boolean) => void;
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timer: NodeJS.Timeout;
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toolName: string;
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expiresAt: number;
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/** v0.3.2 批量审批:缓存完整请求信息,供 getPendingConfirmations() 重建 ConfirmationRequest */
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args?: Record<string, unknown>;
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riskLevel?: string;
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reason?: string;
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}>();
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/** 确认超时时间(可从配置读取,默认 120 秒) */
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private confirmationTimeoutMs = 120_000;
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constructor(
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private mainWindow: BrowserWindow | null = null,
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private configService: ConfigService | null = null,
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) {
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this.loadAutoExecuteList();
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this.loadConfirmationTimeout();
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}
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/** 设置主窗口(用于发送 IPC 消息) */
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setMainWindow(window: BrowserWindow): void {
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this.mainWindow = window;
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}
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/**
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* 从 ConfigService 加载已设置为自动执行的工具列表
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* 配置键格式:tools.{toolName}.autoExecute = true
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*/
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private loadAutoExecuteList(): void {
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if (!this.configService) return;
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try {
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const all = this.configService.getAll();
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this.autoExecuteTools.clear();
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for (const [key, value] of Object.entries(all)) {
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// 匹配 tools.{toolName}.autoExecute 键
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const match = /^tools\.(.+)\.autoExecute$/.exec(key);
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if (match && value === true) {
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this.autoExecuteTools.add(match[1]);
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}
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}
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} catch {
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// 配置加载失败,忽略(不阻塞启动)
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}
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}
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/**
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* 设置/取消工具的持久化自动执行
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* @param toolName 工具名
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* @param enabled true=自动执行(不再询问),false=每次询问
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*/
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setAutoExecute(toolName: string, enabled: boolean): void {
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const configKey = `tools.${toolName}.autoExecute`;
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if (this.configService) {
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this.configService.set(configKey, enabled);
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}
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if (enabled) {
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this.autoExecuteTools.add(toolName);
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// 自动执行时同步清除会话内"拒绝"记忆(避免冲突)
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this.rememberedDecisions.delete(toolName);
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} else {
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this.autoExecuteTools.delete(toolName);
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}
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}
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/**
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* 获取当前自动执行的工具列表
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*/
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getAutoExecuteList(): string[] {
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return Array.from(this.autoExecuteTools);
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}
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/**
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* 从 ConfigService 加载确认超时时间
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* 配置键:agent.confirmationTimeoutMs(单位毫秒,最小 30 秒,最大 600 秒)
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*/
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private loadConfirmationTimeout(): void {
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if (!this.configService) return;
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try {
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const timeout = this.configService.get<number>('agent.confirmationTimeoutMs');
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if (timeout != null) {
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// L-12 修复: 使用命名常量替代魔法数字
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this.confirmationTimeoutMs = Math.min(
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ConfirmationHook.MAX_CONFIRMATION_TIMEOUT_MS,
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Math.max(ConfirmationHook.MIN_CONFIRMATION_TIMEOUT_MS, timeout),
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);
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}
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} catch {
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// 配置加载失败,使用默认值
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}
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}
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/** 设置确认超时时间(运行时更新) */
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setConfirmationTimeout(ms: number): void {
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// L-12 修复: 使用命名常量替代魔法数字
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this.confirmationTimeoutMs = Math.min(
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ConfirmationHook.MAX_CONFIRMATION_TIMEOUT_MS,
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Math.max(ConfirmationHook.MIN_CONFIRMATION_TIMEOUT_MS, ms),
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);
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}
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/** 获取当前确认超时时间 */
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getConfirmationTimeout(): number {
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return this.confirmationTimeoutMs;
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}
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/** 注入工具定义列表(用于查询风险等级) */
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setToolDefs(defs: MetonaToolDef[]): void {
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this.toolDefs.clear();
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for (const def of defs) {
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this.toolDefs.set(def.name, def);
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}
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}
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/**
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* 处理用户确认响应(由 IPC handler 调用)
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* @param remember 会话内记住决定
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* @param autoExecute 永久自动执行(持久化)
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*/
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resolveConfirmation(toolCallId: string, approved: boolean, remember: boolean, autoExecute: boolean = false): void {
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const pending = this.pendingConfirmations.get(toolCallId);
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if (pending) {
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clearTimeout(pending.timer);
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pending.resolve(approved);
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// 永久自动执行(仅当用户批准时才设置)
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if (autoExecute && approved) {
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this.setAutoExecute(pending.toolName, true);
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}
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// 会话内记忆
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if (remember) {
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this.rememberedDecisions.set(pending.toolName, approved);
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}
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this.pendingConfirmations.delete(toolCallId);
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}
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}
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/**
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* 批量处理用户确认响应(由 IPC tool:confirmationResponseBatch 调用)
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*
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* 设计要点:
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* 1. 单次批量 resolve 即可处理 N 个 pending(避免逐个 IPC 往返)
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* 2. remember/autoExecute 按 toolName 去重写入,避免 Map 重复赋值
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* 3. 批量拒绝时若 remember=true 也会写入"拒绝"记忆(与单条语义一致)
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*
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* @param toolCallIds 待处理的 toolCallId 列表
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* @param approved 批准/拒绝
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* @param remember 会话内记住决定(按 toolName 去重)
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* @param autoExecute 永久自动执行(仅 approved=true 时生效,按 toolName 去重)
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* @returns 实际处理成功的 toolCallId 数组(未找到的会被跳过)
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*/
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resolveConfirmationsBatch(
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toolCallIds: string[],
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approved: boolean,
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remember: boolean,
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autoExecute: boolean = false,
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): string[] {
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const resolved: string[] = [];
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// 同一 toolName 在批量中可能多次出现,仅写入一次决策记忆
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const processedToolNames = new Set<string>();
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for (const id of toolCallIds) {
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const pending = this.pendingConfirmations.get(id);
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if (!pending) continue; // 已超时或不存在,跳过
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clearTimeout(pending.timer);
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pending.resolve(approved);
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this.pendingConfirmations.delete(id);
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resolved.push(id);
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// 按工具名去重写入决策(同一工具的多次调用共享一次决策)
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if (!processedToolNames.has(pending.toolName)) {
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processedToolNames.add(pending.toolName);
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if (autoExecute && approved) {
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this.setAutoExecute(pending.toolName, true);
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}
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if (remember) {
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this.rememberedDecisions.set(pending.toolName, approved);
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}
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}
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}
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return resolved;
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}
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/**
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* 获取当前所有等待中的确认请求(供前端批量审批 UI 拉取已积压的请求)
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*
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* 场景:并行工具触发的多个 IPC 事件可能在前端 state 中互相覆盖,
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* 前端可在弹框打开时主动调用此接口,确保拿到完整的 pending 列表。
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*
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* @returns pending 确认请求的快照(含 toolCallId/toolName/args/riskLevel/reason/expiresAt)
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*/
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getPendingConfirmations(): ConfirmationRequest[] {
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const result: ConfirmationRequest[] = [];
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for (const [id, pending] of this.pendingConfirmations) {
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// 重建 ConfirmationRequest(前端需要 args 用于展示参数详情)
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// pending 已在 waitForConfirmation 中缓存完整请求信息
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result.push({
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toolCallId: id,
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toolName: pending.toolName,
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args: pending.args ?? {},
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riskLevel: pending.riskLevel ?? 'medium',
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reason: pending.reason ?? `Tool "${pending.toolName}" requires confirmation`,
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expiresAt: pending.expiresAt,
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});
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}
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return result;
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}
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async beforeExecute(toolCall: MetonaToolCall, _sessionId: string): Promise<HookResult> {
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const def = this.toolDefs.get(toolCall.name);
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if (!def) {
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// 未知工具,放行(由 ToolRegistry 处理未知工具错误)
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return { blocked: false };
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}
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// 检查是否需要确认
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const needsConfirmation = def.requiresPermission ||
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ConfirmationHook.REQUIRES_CONFIRMATION.includes(def.riskLevel);
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if (!needsConfirmation) {
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return { blocked: false };
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}
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// 优先检查持久化自动执行(跨会话生效)
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if (this.autoExecuteTools.has(toolCall.name)) {
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return { blocked: false };
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}
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// 检查是否有记住的决策
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const remembered = this.rememberedDecisions.get(toolCall.name);
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if (remembered !== undefined) {
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if (remembered) return { blocked: false };
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return { blocked: true, reason: `User previously denied tool "${toolCall.name}"` };
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}
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// 如果没有主窗口,安全起见阻止执行
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if (!this.mainWindow || this.mainWindow.isDestroyed()) {
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return { blocked: true, reason: 'Cannot request confirmation: no main window available' };
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}
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// 发送确认请求到渲染进程
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const request: ConfirmationRequest = {
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toolCallId: toolCall.id,
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toolName: toolCall.name,
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args: toolCall.args,
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riskLevel: def.riskLevel,
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reason: def.requiresPermission
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? `Tool "${toolCall.name}" requires permission (risk: ${def.riskLevel})`
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: `Tool "${toolCall.name}" has high risk level: ${def.riskLevel}`,
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};
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// 等待用户响应(带超时)
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const approved = await this.waitForConfirmation(request);
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if (!approved) {
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return { blocked: true, reason: `User denied execution of tool "${toolCall.name}"` };
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}
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return { blocked: false };
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}
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/**
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* 等待用户确认(带超时)
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* 发送 expiresAt 到前端,供倒计时 UI 使用;超时时发送 toast 通知
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*
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* v0.3.2 修复:超时 toast 防风暴
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* 并行工具全部超时时会触发 N 个 toast,用 lastToastAt 节流(3 秒内只发 1 条),
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* 且消息改为汇总形式"工具确认超时,N 个工具未执行"。
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*/
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private lastTimeoutToastAt = 0;
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private waitForConfirmation(request: ConfirmationRequest): Promise<boolean> {
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return new Promise<boolean>((resolve) => {
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const expiresAt = Date.now() + this.confirmationTimeoutMs;
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// 设置超时
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const timer = setTimeout(() => {
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this.pendingConfirmations.delete(request.toolCallId);
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// 超时发送 toast 通知用户(3 秒节流,防止并行工具风暴)
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if (this.mainWindow && !this.mainWindow.isDestroyed()) {
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const now = Date.now();
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if (now - this.lastTimeoutToastAt > 3000) {
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this.lastTimeoutToastAt = now;
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// 统计当前还有多少 pending(含本次刚超时的)
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const pendingCount = this.pendingConfirmations.size + 1;
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const message = pendingCount > 1
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? `工具确认超时(${Math.round(this.confirmationTimeoutMs / 1000)}秒),${pendingCount} 个工具未执行`
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: `工具确认超时(${Math.round(this.confirmationTimeoutMs / 1000)}秒),"${request.toolName}" 未执行`;
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this.mainWindow.webContents.send('toast:show', {
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type: 'warning',
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message,
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});
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}
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}
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resolve(false); // 超时视为拒绝
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}, this.confirmationTimeoutMs);
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this.pendingConfirmations.set(request.toolCallId, {
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resolve,
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timer,
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toolName: request.toolName,
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expiresAt,
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// v0.3.2 批量审批:同步缓存完整请求信息,供 getPendingConfirmations() 返回
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args: request.args,
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riskLevel: request.riskLevel,
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reason: request.reason,
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});
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// 发送确认请求到渲染进程(携带过期时间戳,供前端倒计时)
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if (this.mainWindow && !this.mainWindow.isDestroyed()) {
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this.mainWindow.webContents.send('tool:confirmationRequest', {
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...request,
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expiresAt,
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});
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}
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});
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}
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/**
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* 清理所有等待中的确认(会话结束时调用)
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*/
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clearPending(): void {
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for (const [, pending] of this.pendingConfirmations) {
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clearTimeout(pending.timer);
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pending.resolve(false);
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}
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this.pendingConfirmations.clear();
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}
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}
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