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
2026-09-05 20:06:26 +08:00
parent 99d0c54129
commit 5b9d4d19b3
78 changed files with 5128 additions and 411 deletions
@@ -40,7 +40,8 @@ export class CodeSearchTool implements IMetonaTool {

  readonly definition: MetonaToolDef = {
    name: 'code_search',
-    description: 'Search code using ripgrep. Supports regex patterns, file type filtering, and context lines. Much faster than search_files for large codebases. Falls back to JS implementation if ripgrep is not installed.',
+    description:
+      'Search code using ripgrep. Supports regex patterns, file type filtering, and context lines. Much faster than search_files for large codebases. Falls back to JS implementation if ripgrep is not installed.',
    parameters: {
      type: 'object',
      properties: {
@@ -48,8 +49,14 @@ export class CodeSearchTool implements IMetonaTool {
        path: { type: 'string', description: 'Search directory (default: workspace root)' },
        file_glob: { type: 'string', description: 'File name glob filter (e.g., "*.ts", "*.py")' },
        case_sensitive: { type: 'boolean', description: 'Case sensitive search (default false)' },
-        context_before: { type: 'number', description: 'Lines of context before match (default 0, max 5)' },
-        context_after: { type: 'number', description: 'Lines of context after match (default 0, max 5)' },
+        context_before: {
+          type: 'number',
+          description: 'Lines of context before match (default 0, max 5)',
+        },
+        context_after: {
+          type: 'number',
+          description: 'Lines of context after match (default 0, max 5)',
+        },
        max_results: { type: 'number', description: 'Maximum results (default 50, max 200)' },
      },
      required: ['pattern'],
@@ -98,7 +105,13 @@ export class CodeSearchTool implements IMetonaTool {
  private async searchWithRipgrep(
    pattern: string,
    searchPath: string,
-    opts: { fileGlob?: string; caseSensitive: boolean; contextBefore: number; contextAfter: number; maxResults: number },
+    opts: {
+      fileGlob?: string;
+      caseSensitive: boolean;
+      contextBefore: number;
+      contextAfter: number;
+      maxResults: number;
+    },
    context: ToolExecutionContext,
  ): Promise<unknown> {
    const rgArgs: string[] = ['--json'];
@@ -118,12 +131,31 @@ export class CodeSearchTool implements IMetonaTool {
      const { stdout } = await execFileAsync('rg', rgArgs, {
        maxBuffer: 10 * 1024 * 1024,
        timeout: 25_000,
+        // v0.8.0 P1-2: 引擎级 abort 信号 —— 用户中断会话时立即 kill rg 子进程
+        //（Node execFile 原生支持 signal 选项，触发时以 AbortError 拒绝）
+        signal: context.signal,
      });

      const results = this.parseRipgrepJsonOutput(stdout);
-      return { results: results.slice(0, opts.maxResults), count: results.length, engine: 'ripgrep' };
+      return {
+        results: results.slice(0, opts.maxResults),
+        count: results.length,
+        engine: 'ripgrep',
+      };
    } catch (error) {
-      const err = error as { code?: number; signal?: string; stdout?: string; stderr?: string; killed?: boolean; message?: string };
+      const err = error as {
+        code?: number;
+        signal?: string;
+        stdout?: string;
+        stderr?: string;
+        killed?: boolean;
+        message?: string;
+        name?: string;
+      };
+      // v0.8.0 P1-2: 引擎 abort → 直接以中断语义返回（不再回退 JS 搜索）
+      if (err.name === 'AbortError' || context.signal?.aborted) {
+        return { results: [], count: 0, error: 'Search aborted', engine: 'ripgrep', aborted: true };
+      }
      // rg 退出码 1 = 无匹配，不是错误
      if (err.code === 1) {
        return { results: [], count: 0, engine: 'ripgrep' };
@@ -148,10 +180,24 @@ export class CodeSearchTool implements IMetonaTool {
    before?: string[];
    after?: string[];
  }> {
-    const results: Array<{ path: string; line: number; column: number; match: string; before?: string[]; after?: string[] }> = [];
+    const results: Array<{
+      path: string;
+      line: number;
+      column: number;
+      match: string;
+      before?: string[];
+      after?: string[];
+    }> = [];
    const lines = output.split('\n').filter((l) => l.trim());

-    let currentMatch: { path: string; line: number; column: number; match: string; before?: string[]; after?: string[] } | null = null;
+    let currentMatch: {
+      path: string;
+      line: number;
+      column: number;
+      match: string;
+      before?: string[];
+      after?: string[];
+    } | null = null;
    let beforeBuffer: string[] = [];
    let afterBuffer: string[] = [];

@@ -185,7 +231,9 @@ export class CodeSearchTool implements IMetonaTool {
        }

        const text = (data.lines as { text?: string } | undefined)?.text ?? '';
-        const submatches = (data.submatches as Array<{ match: { text?: string }; start?: number }> | undefined) ?? [];
+        const submatches =
+          (data.submatches as Array<{ match: { text?: string }; start?: number }> | undefined) ??
+          [];
        const matchText = submatches[0]?.match?.text ?? text;
        const column = (submatches[0]?.start ?? 0) + 1;

@@ -214,18 +262,33 @@ export class CodeSearchTool implements IMetonaTool {
  private async searchWithJs(
    pattern: string,
    searchPath: string,
-    opts: { fileGlob?: string; caseSensitive: boolean; contextBefore: number; contextAfter: number; maxResults: number },
+    opts: {
+      fileGlob?: string;
+      caseSensitive: boolean;
+      contextBefore: number;
+      contextAfter: number;
+      maxResults: number;
+    },
    context: ToolExecutionContext,
  ): Promise<unknown> {
    // 动态导入以避免循环依赖
    const { SearchFilesTool } = await import('./filesystem');
    const searchTool = new SearchFilesTool();
-    return searchTool.execute({
-      pattern,
-      target: 'content',
-      path: searchPath,
-      file_glob: opts.fileGlob,
-      limit: opts.maxResults,
-    }, context);
+    // v0.8.0 P1-3.5 根治: 回退路径此前静默丢失 case_sensitive / context_before /
+    // context_after —— 同一调用在 ripgrep 存在与否会产生不同结果（行为不对称）。
+    // SearchFilesTool 现已支持这三个参数（filesystem.ts P1-3.5），原样透传。
+    return searchTool.execute(
+      {
+        pattern,
+        target: 'content',
+        path: searchPath,
+        file_glob: opts.fileGlob,
+        limit: opts.maxResults,
+        case_sensitive: opts.caseSensitive,
+        context_before: opts.contextBefore,
+        context_after: opts.contextAfter,
+      },
+      context,
+    );
  }
 }