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【根因（main.log 实证）】 2026-08-22 20:31:22 / 20:32:31 两次 + 20:37:01 最终终止，完整因果链： 模型写大文件（22KB HTML，write_file）时输出 token 达上限 （finish_reason=length），流正常收尾但 tool_call 的 arguments JSON 半截 （"Unterminated string in JSON at position 21890/22686"）。 缺陷链： 1. SSE 解析器对 parse 失败的 tool call 静默丢弃（log.warn 后 continue — #25 时代为防单个坏 JSON 丢弃全部而引入） 2. 该轮模型输出全部是这一个 tool call → 丢弃后引擎看到"零工具调用 + 零文本"→ 误判为模型已完成 → COMPLETED + 空回复（OutputValidator 报 "Output is empty" 仅 warn 不阻断） 3. 用户感知：AI 干了 16 轮 10.5 分钟后会话无声停止、没有最终回复 20:31/20:32 两次截断后模型自行重试（日志可见继续 EXECUTING）， 但 20:37 最后一轮再次截断且无重试机会 → 空回复终止。 【修复（sse-stream.ts — DeepSeek/Agnes/MiMo 三家共享）】 - flushToolCallBuffer: parse 失败的 tool call 不再丢弃 — 转为携带 _truncatedArguments + _truncatedReason（明确告知模型"参数因输出长度 限制被截断，请分块重试、勿复用原参数"）的 TOOL_CALL_COMPLETE。 工具执行将因参数缺失失败，错误结果回传模型 → 模型感知截断后分块 写入（ReAct 自愈路径）。无限循环由引擎死循环检测器兜底 - 流断开兜底: read() done 但从未收到 [DONE]（连接中断）时补 flush + DONE — 原实现缓冲整体丢失且引擎收尾路径行为未定义 - finish_reason=length 显式 warn 日志（含缓冲字节数）— 归因能力 - 空 argsBuffer 的 tool call（无参工具）显式产出 args={}（原实现走 JSON.parse('') 会进 catch，行为巧合正确但语义混乱） 【测试】 +5 用例（sse-truncation.test.ts）: 截断转错误说明 / 无 [DONE] 兜底 / 完整 JSON 回归 / 空 args 回归 / finish_reason=tool_calls 提前 flush 更新 1 旧用例: "损坏 JSON 跳过" → "损坏 JSON 转截断错误 tool call" （行为变更的契约级断言） 【验证】 lint 0/0；typecheck 双工程 0 错误；test:electron 264/264（+5）； electron-vite build 成功
99 lines
3.0 KiB
JSON
99 lines
3.0 KiB
JSON
{
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"name": "metona-ai-desktop",
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"version": "0.6.3",
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"description": "MetonaAI Desktop — 生产级通用 AI Agent 智能体桌面应用",
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"main": "dist-electron/main/main.js",
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"author": "Metona Team",
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"license": "MIT",
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"type": "module",
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"scripts": {
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"dev": "electron-vite dev",
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"build": "npm run prebuild && electron-vite build && electron-builder",
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"prebuild": "npm dedupe && node -e \"require('fs').rmSync('release',{recursive:true,force:true})\"",
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"build:renderer": "electron-vite build --rendererOnly",
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"build:electron": "tsc -p tsconfig.node.json",
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"preview": "vite preview",
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"lint": "eslint .",
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"lint:fix": "eslint . --fix",
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"format": "prettier --write \"src/**/*.{ts,tsx,css}\" \"electron/**/*.ts\"",
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"typecheck": "tsc --noEmit -p tsconfig.node.json && tsc --noEmit -p tsconfig.web.json",
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"typecheck:node": "tsc -p tsconfig.node.json --noEmit",
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"test": "vitest run",
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"test:watch": "vitest",
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"test:electron": "cross-env ELECTRON_RUN_AS_NODE=1 electron node_modules/vitest/vitest.mjs run",
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"prepare": "husky"
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},
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"lint-staged": {
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"electron/**/*.{ts,tsx}": [
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"eslint --fix",
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"prettier --write"
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],
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"src/**/*.{ts,tsx}": [
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"eslint --fix",
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"prettier --write"
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],
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"src/**/*.css": [
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"prettier --write"
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]
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},
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"dependencies": {
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"@emotion/react": "^11.14.0",
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"@emotion/styled": "^11.14.1",
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"@metona-team/metona-toast": "^0.5.0",
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"@modelcontextprotocol/sdk": "^1.12.1",
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"@mui/icons-material": "^9.1.1",
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"@mui/material": "^9.1.2",
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"better-sqlite3": "^11.9.1",
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"date-fns": "^4.1.0",
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"dotenv": "^17.4.2",
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"electron-log": "^5.3.3",
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"fuse.js": "^7.1.0",
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"lru-cache": "^11.1.0",
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"nanoid": "^5.1.5",
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"node-html-parser": "^6.1.13",
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"react": "^19.1.0",
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"react-dom": "^19.1.0",
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"react-markdown": "^10.1.0",
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"react-virtuoso": "^4.18.12",
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"rehype-highlight": "^7.0.2",
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"remark-gfm": "^4.0.1",
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"shell-quote": "^1.10.0",
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"zustand": "^5.0.5"
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},
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"devDependencies": {
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"@electron-toolkit/preload": "^3.0.1",
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"@electron-toolkit/utils": "^4.0.0",
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"@eslint/js": "^9.39.5",
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"@tailwindcss/typography": "^0.5.16",
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"@tailwindcss/vite": "^4.1.7",
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"@types/better-sqlite3": "^7.6.13",
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"@types/node": "^22.15.29",
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"@types/react": "^19.1.6",
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"@types/react-dom": "^19.1.6",
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"@types/shell-quote": "^1.7.5",
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"@vitejs/plugin-react": "^4.5.2",
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"autoprefixer": "^10.4.21",
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"cross-env": "^10.1.0",
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"electron": "^35.5.1",
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"electron-builder": "^26.0.12",
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"electron-vite": "^3.1.0",
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"eslint": "^9.28.0",
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"husky": "^9.1.7",
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"lint-staged": "^17.3.0",
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"lucide-react": "^0.511.0",
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"postcss": "^8.5.4",
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"prettier": "^3.5.3",
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"tailwindcss": "^4.1.7",
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"typescript": "^5.8.3",
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"typescript-eslint": "^8.67.0",
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"vite": "^6.3.5",
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"vitest": "^3.2.1"
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},
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"allowScripts": {
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"electron@35.7.5": true,
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"better-sqlite3@11.10.0": true,
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"esbuild@0.25.12": true,
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"electron-winstaller@5.4.0": true
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}
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}
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