feat: v0.8.0 流语义补全 · 会话可靠 · 恢复力 — finish_reason 全链路贯通根治"思考中停止" · 2445 用例全量回归
P0 会话可靠性收口(根治"模型思考着会话就停止"): - P0-1 finish_reason 全链路贯通:DONE 事件与 IterationStep 新增 finishReason,OpenAI 共享 SSE / Anthropic message_delta.stop_reason / Ollama done_reason 三路采集,TRACE 层弃用硬编码 'stop' 记录真值 - P0-2 空响应守卫 + 降级重试:零产出流→可重试错误走退避;思考耗尽输出预算(reasoning-only + length)→自动关闭思考降级重试一次;仍失败→OUTPUT_LENGTH_EXCEEDED 结构化错误 + 故障转移;附带根治 abort 恰逢零工具调用轮被 COMPLETED 抢占的真实缺陷 - P0-3 思考×能力×预算三对齐:DeepSeek/MiMo/Agnes/Ollama 四家 supportsThinking=false 强制不发思考参数;小输出预算告警;设置页联动提示 - P0-4 渲染层可见性:截断/空完成/友好错误三类提示,i18n 全部出层 - P0-5 回归四件套:reasoning-only 终止判定、集成级空闲超时、504 引擎重试归类、思考中 abort→USER_INTERRUPT、P4-2 强制收尾路径 FEAT-1:LLM 设置新增「最大输出上限」——Provider 支持矩阵显隐 + 模型上限钳制提示 + 超限保存警告 + llm.maxTokens 热生效 P1 修复面收口: - 渲染层三缺陷根治:后台会话回放缓冲(2000 条/4MB 有界 + agent:getReplayState + 事件总线)+ abort 双层自愈 + sendMessage 收尾兜底 + 中断卡片清扫 - 工具 abort 信号全覆盖:web_search/web_fetch/http_request/code_search/git 系列/delegate_task 全部接入引擎中断;web_search 时间预算收敛(720s→≤240s);移除伪造 ToolExecutionContext 与死代码 - 安全:本地 Pinned CONNECT 代理根治浏览器通道 DNS rebinding(校验期 IP pinning,可注入 resolver 表测);配置 URL 域名解析深校验(DeepCheckSoftFailure 软失败);SSE 空 error 帧防御修复;Ollama generate/embed AbortSignal.any 合并 - 缺陷清单:UTF-16 BOM 读取、tmp 同毫秒碰撞(nanoid 后缀)、code_search JS 回退参数对称(case_sensitive/前后文独立)、list_directory include_node_modules、崩溃自愈退避(60s 窗 ≥3 次停 reload)、MemoryViewer/Sidebar i18n 收口 P2 能力演进: - 会话回收站:SCHEMA_VERSION 3 + 迁移 10(deleted_at,存在性守卫),软删除/恢复/彻底删除/30 天自动清理(启动+24h),searchMessages 聚合剔除,Sidebar 回收站面板 - 会话回放播放器:sessions:listRecordings/readRecording(白名单+目录边界+20MB 上限),SessionReplayPlayer 时间轴/步进/变速,Trace 面板入口 - electron-updater 自动更新:双轨(手动 feed 比对保留),生产环境启动静默检查 + update:status 广播 + app:updateInstall + LogsSettings UpdatePanel + builder publish 配置 - @ 文件提及:workspace.listFiles/readFileClip(边界/512KB/NUL 拒绝/MEMORY.md 保护),ChatInput Fuse 联想+键盘导航+附件管线注入 - MCP Resources/Prompts 发现:可选能力 try/catch 降级,mcp:listServerContents,MCPSettings 展开视图 - 文档对齐:内部 API 标准 HTML(Adapter 清单补 MiMo/已实现注记/STREAM_RESET/DONE.finishReason/ repetition_truncation 映射);README v0.8.0 亮点表 P3 测试基建: - 新增 4 个测试文件:engine-stream-contract(6)、engine-stream-reliability(4:集成空闲超时/504 重试/思考中 abort/P4-2 强制收尾)、thinking-capability-gate(7)、pinned-proxy(9,含深校验 5)、session-trash(5,DB 域)、use-agent-stream hook 级(5)、agent.test 回放缓冲(2) - 契约更新:orchestrator 被中断 SubAgent success=false(abort 优先级修复语义)、SSE 空 error 帧、UTF-16 正常读取、DeepSeek 未配置思考显式 disabled、迁移矩阵 v2→3 - 弱断言根治:registry WEBP 单向断言、hooks-contracts 自比恒真、memory 空 token 补强 全量验证:typecheck 0 错误 / lint 0 问题 / 系统 Node 2144 通过(301 DB 用例按 ABI 跳过)/ Electron ABI 2445/2445 全量通过 0 跳过
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@@ -59,8 +59,43 @@ interface IterationTrace {
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text: string;
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usage?: { input: number; output: number; total: number };
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responded: boolean; // 本轮 llm_response 是否已记录(PARSING 与下一轮 THINKING 去重)
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/**
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* v0.8.0 P0-1: 本轮 Provider 原生停止原因(DONE 事件携带的 finishReason)。
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* v0.7.4 及之前 recordLLMResponse 硬编码 'stop',length 截断在 TRACE 文件中
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* 不可归因;现记录真值,缺省回退 'stop'。
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*/
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finishReason?: string;
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}
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/**
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* v0.8.0 P1-1a: 单会话的流式回放缓冲 —— 渲染层切走会话期间,事件管道仍照常
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* 投递(按会话隔离被渲染层准入拒绝),此缓冲按序保存 streamEvent + stateChange
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* 双通道事件;用户切回会话时经 agent:getReplayState 拉取并灌入渲染层事件总线,
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* 实现"后台会话运行内容不丢失"。
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*
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* 有界设计:单会话上限 MAX_REPLAY_EVENTS 条 / MAX_REPLAY_BYTES 字节,溢出丢弃
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* 最旧并置 truncated 标记;TERMINATED 后保留(供"完成后切回"看到最终内容),
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* 下一次 run 启动(INIT stateChange)时清空重建。
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*/
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interface ReplayEntry {
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channel: 'streamEvent' | 'stateChange';
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payload: unknown;
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ts: number;
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}
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interface ReplayBuffer {
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events: ReplayEntry[];
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bytes: number;
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truncated: boolean;
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/** 最近一次观察到的 runId(供渲染层回放后对齐 run 守卫) */
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runId?: string;
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terminated: boolean;
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}
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const MAX_REPLAY_EVENTS = 2000;
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const MAX_REPLAY_BYTES = 4 * 1024 * 1024;
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const MAX_REPLAY_SESSIONS = 50;
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export function registerAgentHandlers(ctx: IPCContext): void {
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const {
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agentEngineManager,
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@@ -83,6 +118,54 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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// ===== 常驻事件管道:text_delta 按会话节流(F8) =====
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const throttleStates = new Map<string, ThrottleState>();
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const iterationTraces = new Map<string, IterationTrace>();
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// v0.8.0 P1-1a: 每会话流式回放缓冲(后台会话内容恢复)
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const replayBuffers = new Map<string, ReplayBuffer>();
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/** 追加一条事件到会话回放缓冲(有界:条数/字节双上限,溢出丢最旧) */
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const appendReplay = (sessionId: string, entry: ReplayEntry): void => {
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let buf = replayBuffers.get(sessionId);
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if (!buf) {
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// 会话数上限保护:超出后淘汰最早的缓冲(Map 迭代序 = 插入序)
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if (replayBuffers.size >= MAX_REPLAY_SESSIONS) {
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const oldest = replayBuffers.keys().next().value as string | undefined;
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if (oldest !== undefined) replayBuffers.delete(oldest);
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}
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buf = { events: [], bytes: 0, truncated: false, terminated: false };
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replayBuffers.set(sessionId, buf);
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}
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// run 启动(INIT)后旧 run 缓冲作废 —— 由 stateChange 监听器在 INIT 时清空,
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// 此处仅在 terminated 缓冲上遇到新内容时兜底重置(正常路径 INIT 先行)
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if (buf.terminated) {
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replayBuffers.delete(sessionId);
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buf = { events: [], bytes: 0, truncated: false, terminated: false };
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replayBuffers.set(sessionId, buf);
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}
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let size = 0;
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try {
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size = JSON.stringify(entry.payload).length;
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} catch {
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size = 256; // 序列化失败按保守值计入
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}
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buf.events.push(entry);
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buf.bytes += size;
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while (
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buf.events.length > MAX_REPLAY_EVENTS ||
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(buf.bytes > MAX_REPLAY_BYTES && buf.events.length > 1)
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) {
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const dropped = buf.events.shift();
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buf.truncated = true;
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if (dropped) {
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try {
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buf.bytes -= JSON.stringify(dropped.payload).length;
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} catch {
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buf.bytes -= 256;
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}
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}
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}
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// 记录 runId(首个携带者)
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const payload = entry.payload as { runId?: string } | null;
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if (!buf.runId && payload?.runId) buf.runId = payload.runId;
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};
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// v0.7.3 P1-5: 会话级记忆固化时间戳(consolidation-policy 频率门控的状态持有方)
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// v0.7.4 P3-5: LRU 化 —— 旧实现每会话一条永不清除,长期运行后无界增长。
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@@ -136,6 +219,9 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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agentEngineManager.on('streamEvent', (event: MetonaStreamEvent) => {
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if (!event.sessionId) return;
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const sessionId = event.sessionId;
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// v0.8.0 P1-1a: 全量事件进入回放缓冲(含 text_delta —— 必须在节流分支
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// return 之前入队,否则切回会话时已缓冲的正文增量缺失)
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appendReplay(sessionId, { channel: 'streamEvent', payload: event, ts: Date.now() });
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const trace = iterationTraces.get(sessionId);
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// F8: text_delta 聚合,其他事件立即转发(先 flush 保证顺序)
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@@ -224,6 +310,8 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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// 旧实现在 DONE 时删除 iterationTraces → 最终迭代的 TRACE 完整性缺失。
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// 现仅在 TERMINATED 分支统一收尾(flush throttle buffer + 删 iterationTraces)。
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// 注意:此处仍需转发 DONE 事件到前端(下方 broadcast 统一执行)。
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// v0.8.0 P0-1: 捕获 Provider 原生停止原因(recordLLMResponse 记录真值)
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if (trace && event.finishReason) trace.finishReason = event.finishReason;
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break;
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default:
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break;
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@@ -247,6 +335,20 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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broadcast('agent:stateChange', data);
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const sessionId = data.sessionId;
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// v0.8.0 P1-1a: stateChange 事件进入回放缓冲。INIT(run 启动)清空上一 run
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// 的缓冲;TERMINATED 置终态标记(保留缓冲供"完成后切回"回放最终内容)。
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if (sessionId) {
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const stateRaw = data.state ?? data.current ?? '';
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if (stateRaw === 'INIT') {
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replayBuffers.delete(sessionId);
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} else {
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appendReplay(sessionId, { channel: 'stateChange', payload: data, ts: Date.now() });
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if (stateRaw === 'TERMINATED') {
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const buf = replayBuffers.get(sessionId);
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if (buf) buf.terminated = true;
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}
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}
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}
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if (!sessionId || data.iteration == null) return;
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const stateValue = data.state ?? data.current ?? '';
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const trace = iterationTraces.get(sessionId);
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@@ -258,7 +360,8 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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sessionId,
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iteration: trace.iteration,
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content: trace.text,
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finishReason: 'stop',
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// v0.8.0 P0-1: 记录真实停止原因(旧实现硬编码 'stop',length 截断不可归因)
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finishReason: trace.finishReason ?? 'stop',
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tokenUsage: trace.usage ?? { input: 0, output: 0, total: 0 },
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});
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}
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@@ -298,7 +401,8 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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sessionId,
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iteration: trace.iteration,
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content: trace.text,
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finishReason: 'stop',
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// v0.8.0 P0-1: 记录真实停止原因(旧实现硬编码 'stop',length 截断不可归因)
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finishReason: trace.finishReason ?? 'stop',
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tokenUsage: trace.usage ?? { input: 0, output: 0, total: 0 },
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});
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}
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@@ -991,6 +1095,27 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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return { success: true };
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});
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// ===== v0.8.0 P1-1a: 后台会话流回放(切回会话时恢复运行内容) =====
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// 渲染层 setCurrentSession 检测到目标会话在 sessionRunStates 中运行(或刚结束)
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// 时调用本通道:返回回放缓冲中按序保存的 streamEvent + stateChange 事件,
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// 渲染层经事件总线灌入 useAgentStream 管线重建消息/Trace 状态,实时事件随后
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// 无缝衔接(runId 对齐由缓冲记录的 runId 提供)。
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ipcMain.handle('agent:getReplayState', (_event, sessionId: unknown) => {
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if (typeof sessionId !== 'string' || !sessionId) {
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return { success: false, error: 'Invalid sessionId' };
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}
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const buf = replayBuffers.get(sessionId);
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return {
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success: true,
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data: {
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isRunning: agentEngineManager.isRunning(sessionId),
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runId: buf?.runId ?? null,
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truncated: buf?.truncated ?? false,
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events: buf?.events ?? [],
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},
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};
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});
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// ===== v0.5.0: SubAgent 可观测性 =====
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// 1) 生命周期事件广播给前端(AgentMonitor 的 SubAgent 状态区)
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// 2) SubEngine 流事件录制到独立 TRACE 文件(sessionId = taskId),不污染父会话的流
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@@ -1005,6 +1130,8 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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text: string;
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usage: { input: number; output: number; total: number };
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responded: boolean;
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/** v0.8.0 P0-1: 本轮 Provider 原生停止原因(DONE 事件携带) */
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finishReason?: string;
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}
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const subTraces = new Map<string, SubTraceState>();
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@@ -1117,7 +1244,8 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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sessionId: taskId,
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iteration: st.iteration,
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content: st.text,
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finishReason: 'stop',
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// v0.8.0 P0-1: 记录真实停止原因(与主管道同口径)
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finishReason: st.finishReason ?? 'stop',
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tokenUsage: st.usage,
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});
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sessionRecorder.recordIterationEnd(taskId, {
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@@ -1152,7 +1280,8 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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sessionId: taskId,
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iteration: st.iteration,
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content: st.text,
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finishReason: 'stop',
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// v0.8.0 P0-1: 记录真实停止原因(与主管道同口径)
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finishReason: st.finishReason ?? 'stop',
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tokenUsage: st.usage,
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});
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}
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@@ -1184,6 +1313,10 @@ export function registerAgentHandlers(ctx: IPCContext): void {
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};
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}
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break;
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case MetonaStreamEventType.DONE:
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// v0.8.0 P0-1: 捕获 Provider 原生停止原因(SubAgent TRACE 真值)
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if (event.finishReason) st.finishReason = event.finishReason;
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break;
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case MetonaStreamEventType.TOOL_CALL_COMPLETE:
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if (event.toolCall) {
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sessionRecorder.recordToolCall({
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