Files
metona-ai-desktop/package.json
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thzxx f3a0e751ba feat: v0.3.18 上下文压缩机制修复 + MCP 工具就绪竞态修复 + 记忆系统加固
【上下文压缩机制修复】
- engine.ts 新增 lastRealInputTokens 记录 LLM 返回的真实输入 token,压缩判断取 max(估算值, 真实值),避免估算偏低导致不压缩但 API 413
- 修复 effectiveContextWindow 缺少默认值导致 compressionThreshold 变 NaN、压缩永不触发的 bug(添加 ?? 128_000 兜底)
- compressMessages 保留区从固定 10 条改为按 token 预算动态截断(50% 上下文窗口)
- 二次截断 charsPerToken 从 2 调整为 1.0,与 CJK_TOKEN_RATIO 一致
- 压缩后重置 lastRealInputTokens,避免跨迭代污染
- 每个 run 开始时重置 lastRealInputTokens

【前端 Token 显示修复】
- 区分"累计消耗"和"上下文占用"语义——之前 totalTokens(累计) / contextWindow(单次窗口) 得出无意义百分比
- TokenUsage.tsx 上下文占用改用 lastInputTokens,新增压缩节省行(绿色,仅当 > 0 时显示)
- agent-store.ts TokenUsage 接口新增 lastInputTokens 和 lastCompressedSaved 字段,4 处初始值统一更新
- useAgentStream.ts usage 事件 lastInputTokens 替换不累加,compressed 事件通过 streamEvent 接收 savedTokens
- handlers.ts onCompressed 同时发 toast + streamEvent,解决"压缩触发但前端 token 显示不降"缺陷
- 旧数据兼容使用 ?? 0,保证历史会话加载不崩溃

【MCP 工具就绪竞态修复】
- 修复输入框永久显示"工具加载中"的竞态条件:MCP initialize 几乎立即 resolve(connectServer 不 await),tools:ready 事件在前端监听器注册前已发出
- main.ts 维护 toolsReady 标志 + 注册 tools:isReady IPC handler 查询当前状态
- preload.ts 暴露 tools.isReady() 方法
- App.tsx 注册 onReady 监听器后立即查询 isReady(),无论事件是否错过都能恢复正确状态

【记忆系统加固】
- consolidator.ts 新增 runningPromise + waitForCompletion(35s),before-quit 等待固化完成,防止退出时异步 consolidate 数据丢失
- 固化到 MEMORY.md 的同时写入 semantic_memories 表,解决双轨存储无交叉验证问题
- manager.ts tokenize 按中英文标点切分子句后再做 bigram,优化中文分词
- 清理正则冗余括号

【SOUL.md 降级处理】
- context-builder.ts SOUL.md 为空或不存在时降级到默认身份,向前端发 toast 提示用户
- 新增 fallbackRoleNotified 去重标志,仅首次降级通知,避免每次发消息都弹 toast
- SOUL.md 恢复内容时重置标志

【Token 估算调整】
- token-estimator.ts CJK_TOKEN_RATIO 从 1.5 调整为 1.0

【MCP 异步初始化】
- main.ts MCP 完成后广播 tools:ready 事件,前端 UI 据以控制输入框可用性
- preload.ts + global.d.ts 暴露 tools.onReady() 监听器
- App.tsx + ChatInput.tsx toolsReady 状态控制输入框

【版本号】
- package.json + package-lock.json 从 0.3.16 升级到 0.3.18
2026-07-22 15:17:58 +08:00

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JSON

{
"name": "metona-ai-desktop",
"version": "0.3.18",
"description": "MetonaAI Desktop — 生产级通用 AI Agent 智能体桌面应用",
"main": "dist-electron/main/main.js",
"author": "Metona Team",
"license": "MIT",
"type": "module",
"scripts": {
"dev": "electron-vite dev",
"build": "npm run prebuild && electron-vite build && electron-builder",
"prebuild": "npm dedupe && rimraf release",
"build:renderer": "electron-vite build --rendererOnly",
"build:electron": "tsc -p tsconfig.node.json",
"preview": "vite preview",
"lint": "eslint . --ext .ts,.tsx",
"lint:fix": "eslint . --ext .ts,.tsx --fix",
"format": "prettier --write \"src/**/*.{ts,tsx,css}\" \"electron/**/*.ts\"",
"typecheck": "tsc --noEmit",
"typecheck:node": "tsc -p tsconfig.node.json --noEmit",
"test": "vitest run",
"test:watch": "vitest",
"test:e2e": "playwright test"
},
"dependencies": {
"@emotion/react": "^11.14.0",
"@emotion/styled": "^11.14.1",
"@modelcontextprotocol/sdk": "^1.12.1",
"@mui/icons-material": "^9.1.1",
"@mui/material": "^9.1.2",
"@types/shell-quote": "^1.7.5",
"better-sqlite3": "^11.9.1",
"date-fns": "^4.1.0",
"electron-log": "^5.3.3",
"electron-store": "^10.0.1",
"fuse.js": "^7.1.0",
"lru-cache": "^11.1.0",
"metona-toast": "^2.0.0",
"nanoid": "^5.1.5",
"react": "^19.1.0",
"react-dom": "^19.1.0",
"react-markdown": "^10.1.0",
"rehype-highlight": "^7.0.2",
"rehype-raw": "^7.0.0",
"remark-gfm": "^4.0.1",
"shell-quote": "^1.10.0",
"sql.js": "^1.12.0",
"zod": "^3.25.67",
"zustand": "^5.0.5"
},
"devDependencies": {
"@electron-toolkit/preload": "^3.0.1",
"@electron-toolkit/utils": "^4.0.0",
"@playwright/test": "^1.52.0",
"@tailwindcss/typography": "^0.5.16",
"@tailwindcss/vite": "^4.1.7",
"@types/better-sqlite3": "^7.6.13",
"@types/node": "^22.15.29",
"@types/react": "^19.1.6",
"@types/react-dom": "^19.1.6",
"@vitejs/plugin-react": "^4.5.2",
"autoprefixer": "^10.4.21",
"electron": "^35.5.1",
"electron-builder": "^26.0.12",
"electron-vite": "^3.1.0",
"eslint": "^9.28.0",
"lucide-react": "^0.511.0",
"postcss": "^8.5.4",
"prettier": "^3.5.3",
"tailwindcss": "^4.1.7",
"typescript": "^5.8.3",
"vite": "^6.3.5",
"vitest": "^3.2.1"
},
"allowScripts": {
"electron@35.7.5": true,
"better-sqlite3@11.10.0": true,
"esbuild@0.25.12": true,
"electron-winstaller@5.4.0": true
}
}