feat: dynamic-workflow 来了 (#1271)

* feat(workflow): add workflow engine, /workflows panel, /ultracode skill

将 feat/sdk-backend 分支中 workflow 相关的 20 个 commit 压缩为单 commit:

- 工作流引擎核心:phase / agent / parallel / pipeline 编排原语(packages/workflow-engine/)
- /workflows 面板:三区焦点布局(顶部 run tabs + 左侧 phase 侧栏 + 右侧 agent 列表)
- /ultracode skill:多 agent workflow 编排入口
- 进度存储 / journal / notification 系统
- WorkflowService 生命周期管理 + SentryErrorBoundary
- 脚本沙箱:禁用 dynamic import()、JSON args 防御性归一化
- journal 与 named-workflow 路径统一在 projectRoot
- 错误处理:parallel/pipeline hooks 错误日志、failure routing、semaphore abort
- workflow 工具升级为 core 工具 + PascalCase 命名

Co-Authored-By: glm-5.1 <zai-org@claude-code-best.win>

* feat(workflow): 复刻 ultracode 手册并修复 worktree/inline/opt-in 三处缺口

围绕 ultracode skill 审查 agent 系统一致性后:
- ultracode.ts: 用系统提示版完整 Workflow 编排手册替换中文精简版
- HIGH#1 isolation:'worktree': claudeCodeBackend.run() 用 createAgentWorktree +
  runWithCwdOverride 包裹 runAgent + finally 清理实现真正的 cwd 隔离;slug 用
  sha256(runId:agentId) 派生以匹配 cleanupStaleAgentWorktrees 清理正则
  (修 runId 为 w+base36 非 UUID 导致的泄漏盲区);worktree.ts 注释同步修正
- HIGH#2 inline 持久化: 新增 persistInlineScript,WorkflowTool + service 两条
  inline 路径对称持久化到 .claude/workflow-runs/<runId>/script.js,返回可复用
  scriptPath(闭环 inline→编辑→scriptPath 重提迭代循环)
- HIGH#3 opt-in 分工: ultracode/WorkflowTool/effort 注明 session reminder 由
  harness 注入,repo 内无 ultracode 信号,保持 feature('WORKFLOW_SCRIPTS') +
  isEnabled 两层 gate,不自造注入
- 测试: 新增 persistInline.test.ts;扩展 claudeCodeBackend(isolation 4 用例)/
  WorkflowTool(inline)/service(scriptPath)/ultracode(harness)

含配套 workflow engine/panel 完善与 run-state-persistence design doc。

Co-Authored-By: Claude <noreply@anthropic.com>

* feat(workflow): run 终态落盘 state.json 支持跨重启恢复

终态 RunProgress(含 returnValue/error)此前只在内存 ProgressStore,进程
重启即丢失。本次让其落盘到 .claude/workflow-runs/<runId>/state.json,使
(a) 重启后可按 runId 取 return、(b) /workflows 面板跨重启展示历史 run。
跨进程 resume 明确不在范围。

- persistence.ts: getRunsDir/writeRunState/readRunState/listPersistedRuns
  + attachRunStatePersistence;原子覆盖写(tmp+rename),读容错(缺文件/
  损坏/schemaVersion 不符 → null),写 best-effort(IO 失败只 log warn)
- progress/store.ts: 加 hydrate(run) 直接注入磁盘 run(已存在 runId 跳过,
  内存优先)
- service.ts: getWorkflowService() 接线 attachRunStatePersistence(bus,
  store) 订阅 run_done(completed/failed/killed 三态共用,shutdown-kill
  也走同路径,无需额外钩子);WorkflowService 加 getRunAsync(id) 内存
  miss→读盘 fallback(不注入内存)+ loadPersistedRuns() 扫盘 hydrate
  (persistedLoaded flag 守护幂等)
- panel/WorkflowsPanel.tsx: mount 时调一次 loadPersistedRuns(重 mount
  不重复)
- ports.ts: runsDir 改用 getRunsDir() 消除拼接重复
- 测试: persistence.test.ts(11)/runStatePersistence.test.ts(5)/
  progressStore(2)/service(5)/WorkflowsPanel(1) 共 24 个新测试;
  precheck 5629 pass / 0 fail

设计偏离: 计划原写 monkey-patch getRunsDir 指向 tmpdir,Bun ESM namespace
不可变不可行;改用可选 runsDirProvider 参数(默认 getRunsDir)DI 注入,
加到 attachRunStatePersistence 与 makeService(cwdOverride 之后第 4 参),
与现有 cwdOverride 模式一致。makeService 的 cwdOverride 保持不变,不破坏
inline 持久化特性。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(workflow): 默认并发降为 3 并支持 per-run maxConcurrency 注入

- DEFAULT_MAX_CONCURRENCY=3 替代旧的 min(16, cores-2);MAX_CONCURRENCY_CAP=16 保留为用户输入的绝对上限
- 新增 clampMaxConcurrency() 处理 undefined/<1/>CAP 边界
- WorkflowInput schema 新增 maxConcurrency: number.int().min(1).max(16).optional()
- 引擎层 context/runWorkflow 全链路透传:semaphore 容量来自 per-run 入参
- WorkflowTool prompt 增加指引:fan-out 场景先用 AskUserQuestion 与用户确认并发再启动
- 同步 ultracode skill + audit workflow spec 的并发文字(删 cpu-cores 公式)
- 同步 docs/features/workflow-scripts.md 旧公式

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(workflow): 面板 UI 字符串英文化

WorkflowsPanel 中 4 处面向用户的中文(onDone 错误消息、键位提示行)
改为英文;其他面板组件(AgentList/TabsBar)原本已是英文。代码注释
保留中文,与 workflow 模块惯例一致。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(workflow): 中断系统(x 杀单 agent / K 杀整个 workflow,Dialog 二次确认)

- claudeCodeBackend 桥接 ctx.signal → runAgent.override.abortController(修 'x' 无效根因:abort 到不了内部 fetch)
- AbortError 识别为 throw WorkflowAbortedError(不再吞成 dead,workflow 能感知被 kill)
- ports.taskRegistrar 加 registerAgentAbort/unregisterAgentAbort/killAgent;service.killAgent(runId, agentId) 精确中断
- 面板键位:'x' 杀当前 agent(agents 列聚焦时) / 'K' 杀整个 workflow;Dialog 二次确认 + confirm 模式吞导航键防误触
- 新增测试 8 项(backend signal bridge / hooks inject / ports killAgent / service killAgent)

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* docs(workflow): ultracode skill 加 model tier 选择指引(haiku/sonnet/opus/best 场景匹配)

补足 agent() 已有 model 参数缺的判断依据:列出 4 个 tier 的成本/延迟量级和典型场景,
明确"无法 articulate 为什么换 tier 就 omit"的 rule of thumb。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(workflow): maxConcurrency≠3 必须先 AskUserQuestion(默认 3 推荐值)

把 fan-out 时才问改成任何 maxConcurrency≠3 都必须问。
唯一例外:用户在当前会话已明确说过并发数("use 6" / "maxConcurrency 9")。
prompt (WorkflowTool.ts) + skill (ultracode.ts) + audit spec 三处同步。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(workflow): agent 失败自动重试一次(dead 或非 abort throw)

- hooks.agent 包装 invokeBackend:第一次 dead 或非 abort throw → 重试一次
- WorkflowAbortedError(kill)不重试——是用户意图
- registry.resolve 配置错(AdapterNotFoundError 等)在 try 外直接上抛,不走重试——
  配置问题重试无意义且掩盖 bug
- 重试仍失败:dead 保持 dead;throw 降级 dead(不击穿 workflow,
  与 parallel/pipeline null-on-error 契约一致)
- budget 不重复扣:dead 不 addOutputTokens,重试 ok 才扣一次
- 新增 7 项 hooks 层重试测试 + 1 项 service 层降级测试

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(workflow): 面板 label 截断保留 #数字 后缀(同 dim 多 finding 可区分)

audit workflow 用 verify:\${dim}#\${findingIdx} 命名 verify agent。
旧逻辑 slice(0, 18) 从右切把 #idx 全吃了——同 dimension 多 finding
肉眼无法区分。新逻辑:含 #数字 后缀时保留后缀,前缀截断 + … 省略号。

例:verify:correctness#0 → verify:correctn…#0
   verify:architecture#15 → verify:archite…#15

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(workflow): kill 整个 workflow 后立即回主 chat

run_done→store→notifications.ts 的通知路径已有,但 confirmYes 后面板继续
挂着挡住主 chat,用户看不到"已停止"反馈。kill 后调 onDone() 立即退出面板,
让主 chat 的 `Workflow "<name>" was stopped` 通知直接可见。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(workflow): agent dead 带 reason/detail + prompt 加压 StructuredOutput

12 agent audit workflow 8 个 dead,journal 只记 {kind:"dead"} 无信息,
事后无法区分 "agent 没产 StructuredOutput" vs "runAgent 抛错"。
证据指向主因:sonnet 长 tool chain 后忘记调 StructuredOutput,
extractStructuredOutput 返回 null 即降级 dead。

- types.ts: AgentRunResult.dead 加可选 reason/detail 字段
  (no-structured-output / runagent-threw / worktree-failed / unknown)
  兼容旧 journal(均 optional)。
- claudeCodeBackend.ts: 三处 dead 填 reason + detail;
  no-structured-output 把 finalized 文本前 200 字符做 detail,
  让日志/面板能立刻看到 agent 最后说了什么。
- claudeCodeBackend.ts: schema 模式 prompt 首尾各放一次
  StructuredOutput 强制要求,针对 sonnet 长 tool chain 后忘记收尾。
- hooks.ts: retry 日志带 reason;retry 仍 throw 时降级 dead 也填
  reason=runagent-threw + detail。
- types.test.ts: 加 reason JSON 往返 + 旧 journal 兼容测试。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(workflow): schema 模式弃用 StructuredOutput 工具契约,改鲁棒 JSON 文本解析

上一轮 70a2f76 把"agent 长 tool chain 后忘调 StructuredOutput"当作死因,
加 prompt 头尾双强制。但实测跑 5 个 review agent 4 个 dead,detail 全是
"StructuredOutput tool is not available as a deferred tool"——根因是
该工具从未注入 workflow sub-agent 的工具集(assembleToolPool 默认池不含,
只有 stop_hook 路径 execAgentHook.ts 显式 createStructuredOutputTool())。
prompt 反复要求调一个不可达的工具,agent 困扰、长篇辩解、最终没产 JSON。

- claudeCodeBackend.ts:
  - extractStructuredOutput 重写:括号栈扫描替代 indexOf/lastIndexOf,
    处理嵌套对象、字符串内的括号、转义符;新增 fenced code block
    优先路径(```json / ```),多 JSON 块取第一个 parse 成功的;
    只返回 plain object(拒 array/number/string/null)。不做语法修复
    (尾逗号/单引号/注释)——避免在字符串内误改(如 "http://" 被 // 注释正则吃)。
  - schema 模式 prompt 简化:删首尾双 STRUCTURED OUTPUT 强制(600+ token),
    改成指示 agent 在最后文本块 emit raw JSON;明确告知"StructuredOutput
    is not available in this environment",消除调用幻觉。
- hooks.ts: detail.slice 用 typeof === 'string' 守卫;catch 块用
  e instanceof Error ? e.message : String(e)(旧 journal / 第三方 adapter
  可能写非 string detail,直接 .slice 会抛 TypeError 击穿日志)。
- claudeCodeBackend.test.ts: +9 测试覆盖 fenced / 嵌套 / 字符串内括号 /
  转义引号 / 多块取首 / 类型守卫 / 损坏 JSON。

precheck: 5663 pass / 0 fail。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* docs(effort): 新增 /effort 交互面板设计 spec

设计要点:
- /effort 无参 → 横向 slider 面板(low/medium/high/xhigh/max/ultracode)
- ←/→ 移动光标,Enter 确认,Esc 取消
- ultracode 仅视觉占位,确认后提示走 /ultracode <context>
- env override 时双标记 + 顶部警告
- 模型不支持时面板禁用
- 两阶段交付:先基础面板 commit,再做 ultracode 波纹动画

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* docs(effort): 新增 EffortPanel 基础面板实施计划(第一阶段)

按 TDD 分 6 个 task:纯函数状态 → keybinding 注册 → 组件 → 命令挂载 → 分支测试 → precheck。
波纹动画在第二阶段单独 commit。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* docs(effort): plan 补 q/ctrl+c 取消绑定,对齐 spec §5 状态机

verifier 抓到的 gap:spec §5 写明 Esc / Ctrl+C / q 都是取消事件,
但 plan Task 2.3 只绑了 escape。补上 q 和 ctrl+c → effortPanel:cancel。
同时把 Step 2.2 直接写成 6 个 action 版本(home/end),删除迂回表达。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* docs(effort): plan 修订执行前 review 发现的 5 处 gap

- Task 3.3 EffortPanel.tsx 草稿:Faster/Smarter padEnd 语法错乱重写;
  useKeybindings import 路径从 @anthropic/ink 修正为 ../../keybindings/useKeybinding.js;
  移除冗余 renderSeparatorLine;保留 renderPaddedLine
- Task 5.2 computeConfirmOutcome 改为注入 ApplyFn 模式:
  避免 effortPanelState → effort.tsx → EffortPanel 循环依赖;
  测试可注入 mockApply,无需 mock settings
- Step 5.3 测试代码对齐注入版签名

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): 新增 EffortPanel 纯函数状态模块(PanelPosition + 移动/初始光标)

仅含纯函数与类型,无 React/Ink 依赖,便于单测。
- PANEL_POSITIONS:low → medium → high → xhigh → max → ultracode
- moveLeft/moveRight:边界钳制(low 不再左移、ultracode 不再右移)
- getInitialCursor:env override > displayed level

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(keybindings): 注册 EffortPanel context 与 6 个 action

绑定 ←/→/h/l/home/end/enter/escape/q/ctrl+c 到 effortPanel:* action。
与 ModelPicker context 范式一致,避免左右键被全局 keybinding 拦截。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): 实现 EffortPanel 组件主体(渲染 + 键盘交互 + 确认/取消分支)

- 横向 slider 布局:Faster ↔ Smarter 两极,6 档刻度
- useKeybindings 注册 EffortPanel context(←/→/h/l/home/end/enter/escape/q/ctrl+c)
- Enter 在 5 档之一 → 调 executeEffort 写 settings + AppState
- Enter 在 ultracode → 输出引导文案,不写状态
- Esc/q → "Effort unchanged."
- env override 时顶部黄色警告
- computeConfirmOutcome 注入 ApplyFn,便于测试(Task 5 补测试)

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): /effort 无参时挂载 EffortPanel 交互面板

- 无参 → <EffortPanelWrapper> 透传 AppState.effortValue
- current/status → 仍显示文本(不变)
- 有参 → 直跳 executeEffort(不变)
- help/-h/--help → 不变

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* test(effort): 补 computeConfirmOutcome 分支测试(注入 mockApply)

- ultracode → kind=ultracode-hint,不调 applyFn
- low → kind=apply,message/effortUpdate 来自 applyFn
- applyFn 返回无 effortUpdate 时 outcome.effortUpdate 为 undefined
- CANCEL_MESSAGE / ULTRACODE_HINT 常量

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(effort): 测试里 cursor cast 为 EffortValue,避免 PanelPosition 含 ultracode 触发 TS 错误

computeConfirmOutcome 的 ApplyFn 契约要求 EffortValue,但测试 mockApply 接收 PanelPosition。
实际运行时 computeConfirmOutcome 在 ultracode 档位走 hint 分支不会调 applyFn,
cast 安全。precheck 全量通过:5688 tests / 0 fail。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(effort): 面板对齐与配色修复

- 对齐:用 Box width={SEGMENT} + justifyContent="center" 让 ▲ 与档位名严格居中对齐,
  替代之前 string padEnd(11) 与 SEGMENT=12 不一致导致的 1 列偏移
- 配色:所有面板文字改用 theme.claude(Claude Orange rgb(215,119,87)),
  替代终端默认紫;分隔线/副标签/底栏用 theme.subtle;env 警告用 theme.warning
- 光标档位的档位名也加粗,强化视觉焦点

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(effort): 面板文字改紫色,ULTRACODE_HINT 英文化

- 颜色:theme.claude(橙)→ theme.purple_FOR_SUBAGENTS_ONLY(Purple 600, rgb(147,51,234)),
  覆盖标题、Faster/Smarter、▲、档位名
- ULTRACODE_HINT:中文 → 英文
  "ultracode is not an effort level. Use /ultracode <context> to start a multi-agent workflow."

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(effort): 统一用色版——选中 suggestion(蓝),未选中 subtle(灰)

弃用 purple_FOR_SUBAGENTS_ONLY(subagent 专用)。改与项目其他面板一致:
- 选中档位 + ▲:color="suggestion"(Medium blue rgb(87,105,247))+ bold
- 未选中档位 + 空 ▲ 占位:color="subtle"(Light gray rgb(175,175,175))
- 标题 / Faster / Smarter:color="suggestion"
- 分隔线 / 副标签 / 底栏:color="subtle"

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(workflow): 终态前补发 phase_done,面板自动退出 running→terminal 转换

runWorkflow:脚本结束时 hook.phase 不会触发最后一个 phase 的 phase_done,
UI 左栏会永远显示 running。三路径(completed/killed/failed)统一在 run_done
之前补发 emitTerminalPhaseDone。

WorkflowsPanel:抽 isRunTerminatedTransition 纯函数判定 running → terminal,
面板 useEffect 检测到转换后自动退出聚焦。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): 波纹动画纯函数 pickChar/computeRippleLine/mergeLayers + 18 测试

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): useRippleFrame hook 包装 useAnimationFrame,按需订阅时钟

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): EffortPanel 集成波纹背景——cursor 停在 ultracode 时切换波纹模式

仅在 cursor === 'ultracode' 时启用 useRippleFrame,渲染 5 行波纹背景
+ overlay 文字(Faster/Smarter、分隔线、▲、档位名、副标签)。
其余档位保持原 PlainContent 渲染路径不动。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* refactor(effort): 波纹动画从字符密度改为颜色渐变

按原版风格把波纹背景从 INTENSITY_CHARS 密度字符('·∙░▒▓')改为
suggestion 系颜色渐变(transparent → 暗深紫蓝 → suggestion → 高光):

rippleAnimation.ts:
- 删除 pickChar / INTENSITY_CHARS / WAVE_PEAK_CHARS / mergeLayers
- 新增 intensityToColor(intensity) → 'transparent' | '#xxxxxx'
- 新增 computeRippleCells 返回 Cell[](每位置 char+color)
- 新增 applyOverlaysToCells(cells, overlays) 替代 mergeLayers
- 新增 cellsToSegments(cells) 合并相邻同色段(减少 Text 节点)

EffortPanel.tsx:
- RippleContent 用 cells→segments→tokens 渲染
- 空格段用 BaseText backgroundColor 染色块(纯色块视觉)
- 文字段用 Text color 染色(亮色突出)
- tokens 按空格/文字二次拆分,避免混合段渲染歧义

测试: 29 个 rippleAnimation 测试覆盖 intensityToColor 边界、
computeRippleCells 长度/震源/衰减、applyOverlaysToCells 覆盖/截断/
防御式拷贝、cellsToSegments 合并逻辑。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(effort): 波纹参数调优——铺满左侧 + 速度调慢 + 全面板有底色

用户反馈三个问题:
1. "低峰部分没有颜色变化" → intensity ≤ 0.1 返回 transparent 导致波谷
   位置看不见。改为永不返回 transparent,最低档 #0a0d1a 作为面板
   底色(暗紫黑海洋),波峰在底色上流动。
2. "波浪速度太快" → time 系数 0.012 → 0.004(约 1/3 速)。波峰移动
   速度从 34 cell/s 降到 11 cell/s,每帧颜色变化从 45% 降到 36%。
3. "波浪只到中间部分,没覆盖左侧" → falloff 覆盖半径 40 → 90。
   震源 x=65,左侧 dist=65 < 90,波纹可达最左端(约 30-50% 覆盖)。

色阶调整:
- 删除 transparent 档,新增 #0a0d1a 作最暗档(底色)
- 最高档从 #8aa0ff(高光)改为 #5769F7(suggestion),避免与
  文字 overlay 同色互相吞噬
- 7 档颜色:#0a0d1a → #15182b → #1f2543 → #2a3360 →
  #3a4582 → #4a5bb0 → #5769F7

测试:删除 transparent 期望,改为期望具体颜色(#0a0d1a 等)。
新增"覆盖半径扩大"测试验证 dist=65 仍有非最暗颜色。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* fix(effort): 波纹 v3 — 去黑边 + 删中心高频涟漪 + y 轴覆盖快捷键行

用户反馈三个问题:
1. "黑色边感觉不太对" — 最暗档 #0a0d1a (rgb 10,13,26) 太接近纯黑,
   远端波谷看起来像硬黑边。改为 #1a1f3a (rgb 26,31,58),紫蓝感
   更强而非纯黑。
2. "中心的快速波纹有点奇怪" — 删除震源附近 dist<6 的高频涟漪叠加
   (time*0.02,5 倍主波纹频率)。原本想让震源附近"水波感"更强,
   实际效果像"快速闪烁"反而突兀。主波纹已经足够,无需叠加。
3. "y 方向覆盖快捷键" — RippleContent 新增 y=2 行渲染快捷键 overlay
   ("←/→ adjust · Enter confirm · Esc cancel")。PlainContent 路径
   保持原 Box marginTop=1 + Text 渲染。

色阶调整(紫蓝感更强):
- #1a1f3a (原 #0a0d1a) — 最暗档
- #1f2543 / #252c55 / #2e3870 / #3a4582 / #4a5bb0 / #5769F7
  (中间档略调亮度,保持平滑过渡)

测试:震源点测试更新为"time=0 时波谷最暗,time 推进后扫过波峰变亮",
反映删除高频涟漪后的纯主波纹行为。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* chore(workflow): 工作流相关代码中文文案全部英文化

源码(src/workflow/ + packages/workflow-engine/src/)的中文注释、
用户可见错误消息、字符串字面量;测试文件的标题与注释;同步 6 条
硬编码断言到英文化后的错误消息。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* feat(effort): 波纹 v4 — 平滑波 + 全色环旋转 + 淡入淡出 + 宽度自适应

- 波函数改 (sin+1)/2:消除 max(0,sin) 平直暗带(约 6 行宽)
- 主色相连续旋转(0.03°/ms,12s/圈全色环):蓝→紫→品红→红→橙→黄→绿→青
- 文字 overlay 同步色相旋转(rotateHue 应用到 Faster/▲/档位名/分隔线/副标签)
- 淡入淡出动画:fadeColor/fadeCells + fade 状态机 ~300ms 进出过渡
- 副标签固定 ultracode 段下方,不跟随光标移动
- 顶部/底部各加一行纯波纹行,视觉一致
- 宽度自适应终端列数:窄则 72,宽则铺满(computeSegment/computeRippleSourceX)
- 快捷键改 plain Text,不参与波纹背景渲染
- 新增 18 测试(fadeColor/fadeCells/rotateHue/getHueShiftAtTime)

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

* refactor: remove CYBER_RISK_MITIGATION_REMINDER from FileReadTool

Co-Authored-By: deepseek-v4-pro <deepseek-ai@claude-code-best.win>

* fix: prevent ReDoS in extractMeta regex by anchoring to splice boundary

Co-Authored-By: deepseek-v4-pro <deepseek-ai@claude-code-best.win>

* chore: 更新脚本

---------

Co-authored-by: glm-5.1 <zai-org@claude-code-best.win>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: deepseek-v4-pro <deepseek-ai@claude-code-best.win>
This commit is contained in:
claude-code-best
2026-06-14 18:13:49 +08:00
committed by GitHub
parent 3e3e1de81b
commit 58ee6419b1
130 changed files with 23347 additions and 885 deletions

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@@ -0,0 +1,527 @@
import { expect, test } from 'bun:test'
import { mkdtemp, mkdir, readFile, rm, writeFile } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { createWorkflowTool } from '../tool/WorkflowTool.js'
import { createHostHandle, type WorkflowPorts } from '../ports.js'
import type { AgentRunParams, AgentRunResult, ProgressEvent } from '../types.js'
function mockPorts(
runsDir: string,
results: Map<string, AgentRunResult>,
): {
ports: WorkflowPorts
events: ProgressEvent[]
runStatus: Map<string, string>
} {
const events: ProgressEvent[] = []
const runStatus = new Map<string, string>()
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async (p: AgentRunParams) =>
results.get(p.prompt) ?? { kind: 'dead' },
},
progressEmitter: { emit: e => void events.push(e) },
taskRegistrar: {
register: () => ({
runId: 'run-x',
signal: new AbortController().signal,
}),
complete: id => void runStatus.set(id, 'completed'),
fail: id => void runStatus.set(id, 'failed'),
kill: id => void runStatus.set(id, 'killed'),
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: runsDir,
budgetTotal: null,
}),
}
return { ports, events, runStatus }
}
test('call returns launch message and completes in background', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const { ports, runStatus } = mockPorts(
dir,
new Map([
['compute', { kind: 'ok', output: '42', usage: { outputTokens: 1 } }],
]),
)
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ script: `return agent('compute')` },
undefined,
undefined,
undefined,
)
expect(res.data.output).toContain('run_id: run-x')
await new Promise(r => {
setTimeout(r, 50)
})
expect(runStatus.get('run-x')).toBe('completed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('inline script persists to run directory, returns real scriptPath', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const { ports } = mockPorts(
dir,
new Map([['x', { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }]]),
)
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ script: `return agent('x')` },
undefined,
undefined,
undefined,
)
const expectedPath = join(
dir,
'.claude',
'workflow-runs',
'run-x',
'script.js',
)
expect(res.data.output).toContain(expectedPath)
expect(await readFile(expectedPath, 'utf-8')).toBe(`return agent('x')`)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('missing script/name/scriptPath → returns error (does not enter background)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const { ports, runStatus } = mockPorts(dir, new Map())
const tool = createWorkflowTool(ports)
const res = await tool.call({}, undefined, undefined, undefined)
expect(res.data.output).toMatch(/^Error:/)
expect(runStatus.size).toBe(0)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('script syntax error → returns validation error (does not enter background)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const { ports, runStatus } = mockPorts(dir, new Map())
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ script: `return ((` },
undefined,
undefined,
undefined,
)
expect(res.data.output).toMatch(/validation failed|Error/i)
expect(runStatus.size).toBe(0)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('name resolves to .claude/workflows/<name>.ts', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
await mkdir(join(dir, '.claude', 'workflows'), { recursive: true })
await writeFile(
join(dir, '.claude', 'workflows', 'release.ts'),
`return agent('compute')`,
)
const { ports, runStatus } = mockPorts(
dir,
new Map([
['compute', { kind: 'ok', output: 'done', usage: { outputTokens: 1 } }],
]),
)
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ name: 'release' },
undefined,
undefined,
undefined,
)
expect(res.data.output).toContain('run_id')
await new Promise(r => {
setTimeout(r, 50)
})
expect(runStatus.get('run-x')).toBe('completed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('renderToolUseMessage / mapToolResultToToolResultBlockParam', () => {
const dir = '/tmp'
const { ports } = mockPorts(dir, new Map())
const tool = createWorkflowTool(ports)
expect(tool.renderToolUseMessage({ name: 'release' })).toBe(
'Workflow: release',
)
const block = tool.mapToolResultToToolResultBlockParam(
{ output: 'hi' },
'tu-1',
)
expect(block.tool_use_id).toBe('tu-1')
expect(block.type).toBe('tool_result')
expect(block.content[0]!.text).toBe('hi')
})
test('scriptPath resolves to file content and runs in background', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const scriptFile = join(dir, 'external.ts')
await writeFile(scriptFile, `return agent('compute')`)
const { ports, runStatus } = mockPorts(
dir,
new Map([
['compute', { kind: 'ok', output: 'done', usage: { outputTokens: 1 } }],
]),
)
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ scriptPath: scriptFile },
undefined,
undefined,
undefined,
)
expect(res.data.output).toContain('run_id')
expect(res.data.output).toContain('external.ts')
await new Promise(r => {
setTimeout(r, 50)
})
expect(runStatus.get('run-x')).toBe('completed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('script runtime failure → onFinish routes to fail', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const { ports, runStatus } = mockPorts(dir, new Map())
const tool = createWorkflowTool(ports)
await tool.call(
{ script: `throw new Error('boom')` },
undefined,
undefined,
undefined,
)
await new Promise(r => {
setTimeout(r, 50)
})
expect(runStatus.get('run-x')).toBe('failed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('metadata methods: description/prompt/renderToolUseMessage', async () => {
const { ports } = mockPorts('/tmp', new Map())
const tool = createWorkflowTool(ports)
expect(tool.isEnabled()).toBe(true)
expect(tool.isReadOnly({})).toBe(false)
expect(await tool.description()).toBeTruthy()
expect(await tool.prompt()).toContain('Workflow')
expect(tool.renderToolUseMessage({})).toBe('Workflow: unknown')
expect(tool.renderToolUseMessage({ resumeFromRunId: 'r1' })).toBe(
'Workflow resume: r1',
)
})
test('prompt includes default concurrency 3 + AskUserQuestion guidance', async () => {
const { ports } = mockPorts('/tmp', new Map())
const tool = createWorkflowTool(ports)
const p = await tool.prompt()
expect(p).toMatch(/default is 3/i)
expect(p).toMatch(/maxConcurrency/i)
expect(p).toMatch(/AskUserQuestion/i)
})
test('name does not exist → returns error (does not enter background)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
await mkdir(join(dir, '.claude', 'workflows'), { recursive: true })
const { ports, runStatus } = mockPorts(dir, new Map())
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ name: 'nope' },
undefined,
undefined,
undefined,
)
expect(res.data.output).toMatch(/^Error:/)
expect(runStatus.size).toBe(0)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('workflow aborted → onFinish routes to kill', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const runStatus = new Map<string, string>()
const ac = new AbortController()
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async () => ({
kind: 'ok',
output: 'x',
usage: { outputTokens: 1 },
}),
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'run-x', signal: ac.signal }),
complete: id => void runStatus.set(id, 'completed'),
fail: id => void runStatus.set(id, 'failed'),
kill: id => void runStatus.set(id, 'killed'),
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
ac.abort()
const tool = createWorkflowTool(ports)
await tool.call(
{ script: `return agent('x')` },
undefined,
undefined,
undefined,
)
await new Promise(r => {
setTimeout(r, 50)
})
expect(runStatus.get('run-x')).toBe('killed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('args defensively parses when a JSON-stringified object (backward compatible with old z.string() contract)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const capturedPrompts: unknown[] = []
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async (p: AgentRunParams) => {
capturedPrompts.push(p.prompt)
return { kind: 'ok', output: 'done', usage: { outputTokens: 1 } }
},
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({
runId: 'run-x',
signal: new AbortController().signal,
}),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
const tool = createWorkflowTool(ports)
await tool.call(
{
script: `return agent(args.commit)`,
// simulate stringified JSON sent by model under old contract
args: '{"commit":"abc123"}',
},
undefined,
undefined,
undefined,
)
await new Promise(r => {
setTimeout(r, 50)
})
// if args not normalized: args.commit === undefined (string has no commit property)
// if args normalized: args.commit === 'abc123'
expect(capturedPrompts).toContain('abc123')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('args keeps original value for non-legal JSON string without throwing', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const capturedPrompts: unknown[] = []
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async (p: AgentRunParams) => {
capturedPrompts.push(p.prompt)
return { kind: 'ok', output: 'ok', usage: { outputTokens: 1 } }
},
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({
runId: 'run-x',
signal: new AbortController().signal,
}),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
const tool = createWorkflowTool(ports)
await tool.call(
{
// script uses args as a string: agent(args) → agent('hello')
script: `return agent(args)`,
args: 'hello',
},
undefined,
undefined,
undefined,
)
await new Promise(r => {
setTimeout(r, 50)
})
// 'hello' is not valid JSON, should be kept as a string
expect(capturedPrompts).toContain('hello')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('scriptPath out of bounds (resolved outside cwd) → rejected with error (prevents arbitrary file read)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const subDir = join(dir, 'sub')
await mkdir(subDir, { recursive: true })
// place a script outside subDir (inside dir)
const outsideScript = join(dir, 'outside.ts')
await writeFile(outsideScript, `return agent('x')`)
// host.cwd = subDir, scriptPath is an absolute path outside subDir
const { ports, runStatus } = mockPorts(subDir, new Map())
const tool = createWorkflowTool(ports)
const res = await tool.call(
{ scriptPath: outsideScript },
undefined,
undefined,
undefined,
)
expect(res.data.output).toMatch(/^Error:/)
expect(res.data.output).toMatch(/out of bounds|outside|not within/i)
expect(runStatus.size).toBe(0)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('name contains ".." path segment → rejected (prevents path traversal escaping workflowDir)', async () => {
const outer = await mkdtemp(join(tmpdir(), 'wf-outer-'))
try {
// place evil.ts at outer root (outside .claude/workflows)
await writeFile(join(outer, 'evil.ts'), `return agent('x')`)
await mkdir(join(outer, '.claude', 'workflows'), { recursive: true })
const { ports, runStatus } = mockPorts(outer, new Map())
const tool = createWorkflowTool(ports)
// name = '../../evil' → after join escapes the workflows directory to outer/evil.ts
const res = await tool.call(
{ name: '../../evil' },
undefined,
undefined,
undefined,
)
expect(res.data.output).toMatch(/^Error:/)
expect(runStatus.size).toBe(0)
} finally {
await rm(outer, { recursive: true, force: true })
}
})
test('name contains path separators or is absolute → rejected', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
await mkdir(join(dir, '.claude', 'workflows'), { recursive: true })
const { ports } = mockPorts(dir, new Map())
const tool = createWorkflowTool(ports)
for (const badName of ['foo/bar', '/etc/passwd', '..', '.']) {
const res = await tool.call(
{ name: badName },
undefined,
undefined,
undefined,
)
expect(res.data.output).toMatch(/^Error:/)
}
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('returnValue is an object → complete (formatValue takes JSON branch)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-tool-'))
try {
const { ports, runStatus } = mockPorts(
dir,
new Map([['x', { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }]]),
)
const tool = createWorkflowTool(ports)
await tool.call(
{
script: `await agent('x')\nreturn { ok: true, n: 1 }`,
},
undefined,
undefined,
undefined,
)
await new Promise(r => {
setTimeout(r, 50)
})
expect(runStatus.get('run-x')).toBe('completed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})

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import { expect, test } from 'bun:test'
import {
AgentAdapterRegistry,
AdapterNotFoundError,
type AgentAdapter,
} from '../agentAdapter.js'
import { createHostHandle } from '../ports.js'
import type { AgentRunParams, AgentRunResult } from '../types.js'
function makeAdapter(
id: string,
result: AgentRunResult = {
kind: 'ok',
output: `out-${id}`,
usage: { outputTokens: 1 },
},
): AgentAdapter {
return {
id,
capabilities: { structuredOutput: true },
async run() {
return result
},
}
}
const P = (over: Partial<AgentRunParams> = {}): AgentRunParams => ({
prompt: 'p',
...over,
})
const CTX = {
host: createHostHandle(null),
signal: new AbortController().signal,
runId: 'r',
agentId: 1,
}
test('resolve goes to default adapter, run returns result', async () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('a'))
.register(makeAdapter('b'))
.default('a')
expect(reg.resolve(P()).id).toBe('a')
const r = await reg.resolve(P()).run(P(), CTX)
expect(r.kind).toBe('ok')
})
test('route agentType hit takes priority over default', () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('default'))
.register(makeAdapter('research'))
.route({ kind: 'agentType', agentType: 'researcher', adapter: 'research' })
.default('default')
expect(reg.resolve(P({ agentType: 'researcher' })).id).toBe('research')
expect(reg.resolve(P({ agentType: 'other' })).id).toBe('default')
})
test('route model prefix match', () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('cheap'))
.register(makeAdapter('strong'))
.route({ kind: 'model', pattern: 'claude-opus', adapter: 'strong' })
.default('cheap')
expect(reg.resolve(P({ model: 'claude-opus-4' })).id).toBe('strong')
expect(reg.resolve(P({ model: 'claude-sonnet-4' })).id).toBe('cheap')
expect(reg.resolve(P()).id).toBe('cheap') // no model → default
})
test('route custom predicate', () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('main'))
.register(makeAdapter('special'))
.route({
kind: 'custom',
match: p => p.prompt.includes('VIP'),
adapter: 'special',
})
.default('main')
expect(reg.resolve(P({ prompt: 'handle VIP case' })).id).toBe('special')
expect(reg.resolve(P({ prompt: 'normal' })).id).toBe('main')
})
test('rules match in order (first hit wins)', () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('a'))
.register(makeAdapter('b'))
.route({ kind: 'agentType', agentType: 'x', adapter: 'a' })
.route({ kind: 'agentType', agentType: 'x', adapter: 'b' })
expect(reg.resolve(P({ agentType: 'x' })).id).toBe('a')
})
test('rule-matched adapter not registered → skip that rule and continue matching', () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('real'))
.route({ kind: 'agentType', agentType: 'x', adapter: 'ghost' })
.route({ kind: 'agentType', agentType: 'x', adapter: 'real' })
expect(reg.resolve(P({ agentType: 'x' })).id).toBe('real')
})
test('no match and no default → AdapterNotFoundError', () => {
const reg = new AgentAdapterRegistry().register(makeAdapter('a'))
expect(() => reg.resolve(P())).toThrow(AdapterNotFoundError)
})
test('default points to an unregistered adapter → still throws (no silent fallback)', () => {
const reg = new AgentAdapterRegistry()
.register(makeAdapter('a'))
.default('missing')
expect(() => reg.resolve(P())).toThrow(AdapterNotFoundError)
})
test('has / get', () => {
const reg = new AgentAdapterRegistry().register(makeAdapter('a'))
expect(reg.has('a')).toBe(true)
expect(reg.has('b')).toBe(false)
expect(reg.get('a')?.id).toBe('a')
expect(reg.get('b')).toBeUndefined()
})
test('initializeAll / disposeAll triggers lifecycle (skips unimplemented)', async () => {
const events: string[] = []
const withLifecycle: AgentAdapter = {
id: 'a',
capabilities: { structuredOutput: false },
async run() {
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
async initialize() {
events.push('init-a')
},
async dispose() {
events.push('dispose-a')
},
}
const noLifecycle = makeAdapter('b') // no initialize/dispose
const reg = new AgentAdapterRegistry()
.register(withLifecycle)
.register(noLifecycle)
await reg.initializeAll()
await reg.disposeAll()
expect(events).toEqual(['init-a', 'dispose-a'])
})
test('capabilities declaration is readable', () => {
const adapter: AgentAdapter = {
id: 'a',
capabilities: { structuredOutput: true, tools: true, stream: false },
async run() {
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
}
expect(adapter.capabilities.structuredOutput).toBe(true)
expect(adapter.capabilities.tools).toBe(true)
expect(adapter.capabilities.stream).toBe(false)
})

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import { expect, test } from 'bun:test'
import { createEngineContext } from '../engine/context.js'
import { makeHooks } from '../engine/hooks.js'
import { createBufferingEmitter } from '../progress/events.js'
import { createHostHandle, type WorkflowPorts } from '../ports.js'
import type { AgentRunParams, AgentRunResult } from '../types.js'
function build(results: Map<string, AgentRunResult>) {
const { emitter, events } = createBufferingEmitter()
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async (p: AgentRunParams) =>
results.get(p.prompt) ?? { kind: 'dead' },
},
progressEmitter: emitter,
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
signal: new AbortController().signal,
cwd: '/tmp',
budgetTotal: null,
}),
}
const ctx = createEngineContext({
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
runId: 'r',
workflowName: 'w',
cwd: '/tmp',
budgetTotal: null,
})
return { ctx, events, hooks: makeHooks(ctx, async () => null) }
}
test('concurrent agents each get a unique agentId, started/done are paired', async () => {
const ok = (out: string): AgentRunResult => ({
kind: 'ok',
output: out,
usage: { outputTokens: 1 },
})
const { ctx, events, hooks } = build(
new Map([
['a', ok('1')],
['b', ok('2')],
]),
)
await hooks.parallel([() => hooks.agent('a'), () => hooks.agent('b')])
const started = events.filter(e => e.type === 'agent_started')
const done = events.filter(e => e.type === 'agent_done')
expect(started).toHaveLength(2)
expect(done).toHaveLength(2)
const ids = started.map(e => (e as { agentId: number }).agentId)
expect(new Set(ids).size).toBe(2)
for (const d of done as Array<{ agentId: number }>) {
expect(ids).toContain(d.agentId)
}
expect(ctx.resources.agentIdSeq.value).toBe(2)
})
test('agentId increases monotonically', async () => {
const ok = (out: string): AgentRunResult => ({
kind: 'ok',
output: out,
usage: { outputTokens: 1 },
})
const { events, hooks } = build(
new Map([
['a', ok('1')],
['b', ok('2')],
['c', ok('3')],
]),
)
await hooks.agent('a')
await hooks.agent('b')
await hooks.agent('c')
const ids = events
.filter(e => e.type === 'agent_started')
.map(e => (e as { agentId: number }).agentId)
expect(ids).toEqual([0, 1, 2])
})

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import { expect, test } from 'bun:test'
import { Budget, BudgetExhaustedError } from '../engine/budget.js'
test('total=null means unlimited', () => {
const b = new Budget(null)
expect(b.total).toBeNull()
expect(b.remaining()).toBe(Infinity)
b.addOutputTokens(999999)
expect(b.spent()).toBe(999999)
expect(() => b.assertCanSpend()).not.toThrow()
})
test('accumulates and throws when cap exceeded', () => {
const b = new Budget(100)
expect(b.remaining()).toBe(100)
b.addOutputTokens(40)
expect(b.spent()).toBe(40)
expect(b.remaining()).toBe(60)
expect(() => b.assertCanSpend()).not.toThrow()
b.addOutputTokens(60)
expect(b.spent()).toBe(100)
expect(() => b.assertCanSpend()).toThrow(BudgetExhaustedError)
})
test('addOutputTokens ignores negative values', () => {
const b = new Budget(100)
b.addOutputTokens(-50)
expect(b.spent()).toBe(0)
})

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import { expect, test } from 'bun:test'
import {
clampMaxConcurrency,
Semaphore,
maxConcurrency,
} from '../engine/concurrency.js'
import { DEFAULT_MAX_CONCURRENCY, MAX_CONCURRENCY_CAP } from '../constants.js'
test('Semaphore limits concurrency, permit transfer does not leak', async () => {
const sem = new Semaphore(2)
let active = 0
let peak = 0
const task = async (): Promise<void> => {
const release = await sem.acquire()
active++
peak = Math.max(peak, active)
await new Promise(r => {
setTimeout(r, 10)
})
active--
release()
}
await Promise.all(Array.from({ length: 6 }, () => task()))
expect(peak).toBe(2) // never exceeds permits
})
test('maxConcurrency returns DEFAULT_MAX_CONCURRENCY (=3)', () => {
expect(maxConcurrency()).toBe(DEFAULT_MAX_CONCURRENCY)
expect(maxConcurrency()).toBe(3)
})
test('clampMaxConcurrency: undefined/NaN→DEFAULT; <1→1; >CAP→CAP; normal value kept', () => {
expect(clampMaxConcurrency(undefined)).toBe(DEFAULT_MAX_CONCURRENCY)
expect(clampMaxConcurrency(Number.NaN)).toBe(DEFAULT_MAX_CONCURRENCY)
expect(clampMaxConcurrency(0)).toBe(1)
expect(clampMaxConcurrency(-3)).toBe(1)
expect(clampMaxConcurrency(MAX_CONCURRENCY_CAP + 100)).toBe(
MAX_CONCURRENCY_CAP,
)
expect(clampMaxConcurrency(5)).toBe(5)
expect(clampMaxConcurrency(1)).toBe(1)
expect(clampMaxConcurrency(MAX_CONCURRENCY_CAP)).toBe(MAX_CONCURRENCY_CAP)
// decimal truncation (Semaphore already does Math.max(1, Math.floor); clampMaxConcurrency explicitly truncs)
expect(clampMaxConcurrency(2.9)).toBe(2)
})
test('Semaphore(0) has at least 1 permit, acquire does not block', async () => {
const sem = new Semaphore(0)
const release = await sem.acquire()
expect(release).toBeTypeOf('function')
release()
})
test('Semaphore wakes up in FIFO order', async () => {
const sem = new Semaphore(1)
const order: string[] = []
const first = await sem.acquire()
const p1 = sem.acquire().then(r => {
order.push('p1')
return r
})
const p2 = sem.acquire().then(r => {
order.push('p2')
return r
})
await new Promise(r => {
setTimeout(r, 5)
})
expect(order).toEqual([])
first()
await new Promise(r => {
setTimeout(r, 5)
})
expect(order).toEqual(['p1'])
;(await p1)()
await new Promise(r => {
setTimeout(r, 5)
})
expect(order).toEqual(['p1', 'p2'])
;(await p2)()
})
test('Semaphore.acquire with an aborted signal → immediately rejects, no permit consumed', async () => {
// Fix L: a queued waiter on abort must reject immediately instead of waiting for a permit.
// Otherwise a cancelled agent blocks on acquire(), the permit is consumed (transferred to a dead waiter),
// reducing actual concurrency capacity; in the worst case all waiters are cancelled while the semaphore still queues for dead waiters.
const sem = new Semaphore(1)
const ac = new AbortController()
// occupy the only permit
const first = await sem.acquire()
// queued waiter
const queued = sem.acquire(ac.signal)
await new Promise(r => {
setTimeout(r, 5)
})
// abort → waiter should reject immediately
ac.abort()
await expect(queued).rejects.toThrow()
// no permit leak: after releasing first, a new acquire should get it immediately (no stale waiter preemption)
first()
const third = await sem.acquire()
expect(third).toBeTypeOf('function')
third()
})
test('Semaphore.acquire with an already aborted signal → synchronous reject', async () => {
const sem = new Semaphore(1)
const ac = new AbortController()
ac.abort()
// signal already aborted, should not acquire even if a permit is available (semantics: caller already cancelled)
// Note: current implementation checks available first and may return directly. This test locks "check abort first".
// If the implementation chose "prefer granting when permit available", this test would change to: acquire succeeds, caller checks abort later.
// Current implementation chose the former: aborted signal throws immediately, preventing dead agents from grabbing permits.
await expect(sem.acquire(ac.signal)).rejects.toThrow()
})

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import { expect, test } from 'bun:test'
import { createBufferingEmitter } from '../progress/events.js'
import {
createEngineContext,
createSharedResources,
} from '../engine/context.js'
import { WorkflowError } from '../engine/errors.js'
import { createHostHandle, type WorkflowPorts } from '../ports.js'
function mockPorts(): WorkflowPorts {
return {
agentRunner: { runAgentToResult: async () => ({ kind: 'dead' }) },
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: '/tmp',
budgetTotal: null,
}),
}
}
test('createSharedResources initializes budget and counts', () => {
const r = createSharedResources(100)
expect(r.budget.total).toBe(100)
expect(r.agentCountBox.value).toBe(0)
expect(r.depth).toBe(0)
})
test('createSharedResources: maxConcurrency controls semaphore permits', async () => {
// default permits = DEFAULT_MAX_CONCURRENCY = 3: after 4 acquires the 4th is pending
const r1 = createSharedResources(null)
const releases1: Array<() => void> = []
for (let i = 0; i < 3; i++) releases1.push(await r1.semaphore.acquire())
let fourthResolved = false
const pending = r1.semaphore.acquire().then(r => {
fourthResolved = true
return r
})
await new Promise(res => {
setTimeout(res, 5)
})
expect(fourthResolved).toBe(false)
releases1[0]!() // release one, the fourth should be woken up
releases1.push(await pending)
for (const rel of releases1) rel()
// explicit maxConcurrency=2: the 3rd acquire is pending
const r2 = createSharedResources(null, 2)
const releases2: Array<() => void> = []
releases2.push(await r2.semaphore.acquire())
releases2.push(await r2.semaphore.acquire())
let thirdResolved = false
const pending2 = r2.semaphore.acquire().then(r => {
thirdResolved = true
return r
})
await new Promise(res => {
setTimeout(res, 5)
})
expect(thirdResolved).toBe(false)
releases2[0]!()
releases2.push(await pending2)
for (const rel of releases2) rel()
})
test('createEngineContext passes maxConcurrency through to resources.semaphore', async () => {
const ctx = createEngineContext({
ports: mockPorts(),
host: createHostHandle(null),
signal: new AbortController().signal,
runId: 'r-mc',
workflowName: 'w',
cwd: '/tmp',
budgetTotal: null,
maxConcurrency: 1,
})
// maxConcurrency=1: the second acquire should be pending
const first = await ctx.resources.semaphore.acquire()
let secondResolved = false
const pending = ctx.resources.semaphore.acquire().then(r => {
secondResolved = true
return r
})
await new Promise(res => {
setTimeout(res, 5)
})
expect(secondResolved).toBe(false)
first()
await pending
})
test('createEngineContext copies journal and resets cursor', () => {
const journal = [
{
key: 'k',
seq: 0,
result: { kind: 'ok' as const, output: 'x', usage: { outputTokens: 1 } },
},
]
const ctx = createEngineContext({
ports: mockPorts(),
host: createHostHandle(null),
signal: new AbortController().signal,
runId: 'r1',
workflowName: 'w',
cwd: '/tmp',
budgetTotal: null,
journal,
})
expect(ctx.journal).toHaveLength(1)
expect(ctx.journalIndex).toBe(0)
expect(ctx.journalInvalidated).toBe(false)
})
test('createBufferingEmitter collects events', () => {
const { emitter, events } = createBufferingEmitter()
emitter.emit({ type: 'log', runId: 'r', message: 'hi' })
expect(events).toHaveLength(1)
})
test('WorkflowError is recognizable', () => {
const e = new WorkflowError('boom')
expect(e).toBeInstanceOf(Error)
expect(e.message).toBe('boom')
})

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import { expect, test } from 'bun:test'
import { WorkflowError, WorkflowAbortedError } from '../engine/errors.js'
test('WorkflowError carries message and name', () => {
const e = new WorkflowError('script error')
expect(e).toBeInstanceOf(Error)
expect(e.message).toBe('script error')
expect(e.name).toBe('WorkflowError')
})
test('WorkflowAbortedError is a recognizable cancellation error', () => {
const e = new WorkflowAbortedError()
expect(e).toBeInstanceOf(Error)
expect(e.name).toBe('WorkflowAbortedError')
expect(e.message).toBeTruthy()
})
test('the two error types can be distinguished by instanceof (not confused)', () => {
const a = new WorkflowError('x')
const b = new WorkflowAbortedError()
expect(a).toBeInstanceOf(WorkflowError)
expect(a).not.toBeInstanceOf(WorkflowAbortedError)
expect(b).toBeInstanceOf(WorkflowAbortedError)
expect(b).not.toBeInstanceOf(WorkflowError)
})
test('can be caught as a plain Error in a catch block', () => {
const throwIt = (): never => {
throw new WorkflowAbortedError()
}
let caught: unknown = null
try {
throwIt()
} catch (e) {
caught = e
}
expect(caught).toBeInstanceOf(Error)
expect(caught).toBeInstanceOf(WorkflowAbortedError)
})

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import { expect, test } from 'bun:test'
import {
createBufferingEmitter,
createProgressEmitter,
} from '../progress/events.js'
import type { ProgressEvent } from '../types.js'
const log = (message: string): ProgressEvent =>
({ type: 'log', runId: 'r', message }) as ProgressEvent
const phase = (p: string): ProgressEvent =>
({ type: 'phase_started', runId: 'r', phase: p }) as ProgressEvent
test('createBufferingEmitter collects all events in order', () => {
const { emitter, events } = createBufferingEmitter()
emitter.emit(log('a'))
emitter.emit(phase('P'))
expect(events).toHaveLength(2)
expect(events[0]).toEqual(log('a'))
expect(events[1]).toEqual(phase('P'))
})
test('createBufferingEmitter emit returns void (no return value)', () => {
const { emitter } = createBufferingEmitter()
expect(emitter.emit(log('x'))).toBeUndefined()
})
test('createBufferingEmitter instances are independent (no shared buffer)', () => {
const a = createBufferingEmitter()
const b = createBufferingEmitter()
a.emitter.emit(log('1'))
expect(a.events).toHaveLength(1)
expect(b.events).toHaveLength(0)
})
test('createProgressEmitter forwards events to callback (in order, no buffering)', () => {
const received: ProgressEvent[] = []
const emitter = createProgressEmitter(e => void received.push(e))
emitter.emit(log('a'))
emitter.emit(log('b'))
expect(received).toEqual([log('a'), log('b')])
})
test('createProgressEmitter triggers callback synchronously', () => {
let seen = ''
const emitter = createProgressEmitter(e => {
seen = (e as { message: string }).message
})
emitter.emit(log('sync'))
// callback already executed before emit returns
expect(seen).toBe('sync')
})

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import { expect, test } from 'bun:test'
import { AgentAdapterRegistry } from '../agentAdapter.js'
import { createEngineContext } from '../engine/context.js'
import { maxConcurrency, Semaphore } from '../engine/concurrency.js'
import { agentCallKey } from '../engine/journal.js'
import { makeHooks, type SubWorkflowRunner } from '../engine/hooks.js'
import { WorkflowError, WorkflowAbortedError } from '../engine/errors.js'
import { createBufferingEmitter } from '../progress/events.js'
import { createHostHandle, type WorkflowPorts } from '../ports.js'
import type {
AgentRunParams,
AgentRunResult,
JournalEntry,
ProgressEvent,
} from '../types.js'
type CtxOverrides = Partial<{
agentResults: Map<string, AgentRunResult>
runner: (params: AgentRunParams) => Promise<AgentRunResult>
pending: { kind: 'skip' | 'retry' } | null
journal: JournalEntry[]
budgetTotal: number | null
signal: AbortSignal
truncated: string[]
agentAdapterRegistry: AgentAdapterRegistry
loggerWarn: (msg: string) => void
// taskRegistrar agent-level abort binding (agent kill bridge).
// When provided, buildCtx injects it into ports.taskRegistrar; hooks.agent pushes the closure into adapterCtx.
registerAgentAbort: (
runId: string,
agentId: number,
ac: AbortController,
) => void
unregisterAgentAbort: (runId: string, agentId: number) => void
}>
function buildCtx(overrides: CtxOverrides = {}): {
ctx: ReturnType<typeof createEngineContext>
events: ProgressEvent[]
hooks: ReturnType<typeof makeHooks>
} {
const { emitter, events } = createBufferingEmitter()
const results = overrides.agentResults ?? new Map<string, AgentRunResult>()
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: overrides.runner
? overrides.runner
: async (params: AgentRunParams) =>
results.get(params.prompt) ?? { kind: 'dead' },
},
...(overrides.agentAdapterRegistry
? { agentAdapterRegistry: overrides.agentAdapterRegistry }
: {}),
progressEmitter: emitter,
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => overrides.pending ?? null,
...(overrides.registerAgentAbort
? { registerAgentAbort: overrides.registerAgentAbort }
: {}),
...(overrides.unregisterAgentAbort
? { unregisterAgentAbort: overrides.unregisterAgentAbort }
: {}),
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async (id: string) => {
overrides.truncated?.push(id)
},
},
permissionGate: { isAborted: () => false },
logger: {
debug: () => {},
event: () => {},
...(overrides.loggerWarn ? { warn: overrides.loggerWarn } : {}),
},
hostFactory: () => ({
handle: createHostHandle(null),
cwd: '/tmp',
budgetTotal: null,
}),
}
const ctx = createEngineContext({
ports,
host: createHostHandle(null),
signal: overrides.signal ?? new AbortController().signal,
runId: 'r1',
workflowName: 'w',
cwd: '/tmp',
budgetTotal: overrides.budgetTotal ?? null,
journal: overrides.journal,
})
const noopSub: SubWorkflowRunner = async () => null
return { ctx, events, hooks: makeHooks(ctx, noopSub) }
}
test('agent returns text result and counts', async () => {
const { ctx, hooks } = buildCtx({
agentResults: new Map([
['hi', { kind: 'ok', output: 'hello', usage: { outputTokens: 5 } }],
]),
})
const out = await hooks.agent('hi')
expect(out).toBe('hello')
expect(ctx.resources.agentCountBox.value).toBe(1)
})
test('agent skipped → null and not counted', async () => {
const { hooks } = buildCtx({
agentResults: new Map([['hi', { kind: 'skipped' }]]),
})
expect(await hooks.agent('hi')).toBeNull()
})
test('agent dead → null', async () => {
const { hooks } = buildCtx({
agentResults: new Map([['hi', { kind: 'dead' }]]),
})
expect(await hooks.agent('hi')).toBeNull()
})
// Retry: dead or non-abort throw both get one retry chance; WorkflowAbortedError (kill) is not retried.
// Retry still fails: dead stays dead; throw degrades to dead (does not break the workflow, hooks.agent returns null).
test('agent dead → retry once succeeds → ok', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
return calls === 1
? { kind: 'dead' as const }
: {
kind: 'ok' as const,
output: 'recovered',
usage: { outputTokens: 5 },
}
},
})
expect(await hooks.agent('p')).toBe('recovered')
expect(calls).toBe(2)
})
test('agent dead → retry still dead → final null (dead stays dead)', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
return { kind: 'dead' as const }
},
loggerWarn: () => {},
})
expect(await hooks.agent('p')).toBeNull()
expect(calls).toBe(2)
})
test('agent non-abort throw → retry once succeeds → ok', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
if (calls === 1) throw new Error('transient network')
return {
kind: 'ok' as const,
output: 'recovered',
usage: { outputTokens: 3 },
}
},
loggerWarn: () => {},
})
expect(await hooks.agent('p')).toBe('recovered')
expect(calls).toBe(2)
})
test('agent non-abort throw → retry still throws → degrade to dead (returns null, does not break workflow)', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
throw new Error('persistent')
},
loggerWarn: () => {},
})
expect(await hooks.agent('p')).toBeNull()
expect(calls).toBe(2)
})
test('agent throw WorkflowAbortedError → no retry, rethrow directly (kill does not allow retry)', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
throw new WorkflowAbortedError()
},
})
await expect(hooks.agent('p')).rejects.toBeInstanceOf(WorkflowAbortedError)
expect(calls).toBe(1)
})
test('agent ok → no retry (calls=1, saves a backend round-trip)', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
return {
kind: 'ok' as const,
output: 'first-try',
usage: { outputTokens: 1 },
}
},
})
expect(await hooks.agent('p')).toBe('first-try')
expect(calls).toBe(1)
})
test('agent skipped → no retry (user actively skips, no retry)', async () => {
let calls = 0
const { hooks } = buildCtx({
runner: async () => {
calls++
return { kind: 'skipped' as const }
},
})
expect(await hooks.agent('p')).toBeNull()
expect(calls).toBe(1)
})
test('agent journal hit does not call runner', async () => {
let called = 0
const { emitter } = createBufferingEmitter()
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async () => {
called++
return { kind: 'ok', output: 'live', usage: { outputTokens: 1 } }
},
},
progressEmitter: emitter,
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: '/tmp',
budgetTotal: null,
}),
}
const key = agentCallKey('hi', { prompt: 'hi' })
const ctx = createEngineContext({
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
runId: 'r1',
workflowName: 'w',
cwd: '/tmp',
budgetTotal: null,
journal: [
{
key,
seq: 0,
result: { kind: 'ok', output: 'cached', usage: { outputTokens: 1 } },
},
],
})
const hooks = makeHooks(ctx, async () => null)
expect(await hooks.agent('hi')).toBe('cached')
expect(called).toBe(0)
})
test('agent exceeding total cap throws', async () => {
const { hooks, ctx } = buildCtx()
ctx.resources.agentCountBox.value = 1000
await expect(hooks.agent('hi')).rejects.toThrow(WorkflowError)
})
test('parallel single item throws → null, others kept', async () => {
const { hooks } = buildCtx()
const out = await hooks.parallel([
async () => 'a',
async () => {
throw new Error('x')
},
async () => 'c',
])
expect(out).toEqual(['a', null, 'c'])
})
test('parallel single item throws → logger.warn records the failure reason', async () => {
const warns: string[] = []
const { hooks } = buildCtx({ loggerWarn: msg => warns.push(msg) })
await hooks.parallel([
async () => 'a',
async () => {
throw new Error('boom-x')
},
async () => 'c',
])
expect(warns.length).toBe(1)
expect(warns[0]).toMatch(/boom-x/)
})
test('pipeline chains stage by stage, stage throws → null', async () => {
const { hooks } = buildCtx()
const out = await hooks.pipeline(
[1, 2],
n => Promise.resolve((n as number) + 1),
m => Promise.resolve((m as number) * 10),
)
expect(out).toEqual([20, 30])
const out2 = await hooks.pipeline(
[1],
() => Promise.reject(new Error('boom')),
m => Promise.resolve(m),
)
expect(out2).toEqual([null])
})
test('pipeline stage throws → logger.warn records the failure reason', async () => {
const warns: string[] = []
const { hooks } = buildCtx({ loggerWarn: msg => warns.push(msg) })
await hooks.pipeline(
[1],
() => Promise.reject(new Error('stage-boom')),
m => Promise.resolve(m),
)
expect(warns.length).toBe(1)
expect(warns[0]).toMatch(/stage-boom/)
})
test('pipeline over 4096 throws', async () => {
const { hooks } = buildCtx()
await expect(
hooks.pipeline(Array(4097), () => Promise.resolve(1)),
).rejects.toThrow(WorkflowError)
})
test('phase switch emits phase_started/done; log emits log', () => {
const { hooks, events } = buildCtx()
hooks.phase('A')
hooks.log('hello')
hooks.phase('B')
expect(events.some(e => e.type === 'phase_started' && e.phase === 'A')).toBe(
true,
)
expect(events.some(e => e.type === 'phase_done' && e.phase === 'A')).toBe(
true,
)
expect(events.some(e => e.type === 'log' && e.message === 'hello')).toBe(true)
expect(events.some(e => e.type === 'phase_started' && e.phase === 'B')).toBe(
true,
)
})
// ---- boundary and error paths ----
test('agent dead also counts in agentCountBox', async () => {
const { hooks, ctx } = buildCtx({
agentResults: new Map([['x', { kind: 'dead' }]]),
})
await hooks.agent('x')
expect(ctx.resources.agentCountBox.value).toBe(1)
})
test('agent pendingAction=skip → null, does not call runner, not counted', async () => {
let called = 0
const { hooks, ctx } = buildCtx({
pending: { kind: 'skip' },
runner: async () => {
called++
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
})
expect(await hooks.agent('x')).toBeNull()
expect(called).toBe(0)
expect(ctx.resources.agentCountBox.value).toBe(0)
})
test('agent journal key diverges → invalidate and truncate', async () => {
const truncated: string[] = []
const { hooks, ctx } = buildCtx({
runner: async () => ({
kind: 'ok',
output: 'live',
usage: { outputTokens: 1 },
}),
journal: [
{
key: 'stale-key',
seq: 0,
result: { kind: 'ok', output: 'old', usage: { outputTokens: 1 } },
},
],
truncated,
})
const out = await hooks.agent('different-prompt')
expect(out).toBe('live')
expect(truncated).toContain('r1')
expect(ctx.journalInvalidated).toBe(true)
})
test('agent throws when budget exhausted', async () => {
const { hooks, ctx } = buildCtx({
budgetTotal: 10,
runner: async () => ({
kind: 'ok',
output: 'x',
usage: { outputTokens: 1 },
}),
})
ctx.resources.budget.addOutputTokens(10)
await expect(hooks.agent('x')).rejects.toThrow()
})
test('agent budget check inside semaphore critical section (queued waiter sees latest spent)', async () => {
// When semaphore capacity < parallel agent count, some agents will queue.
// Old bug: assertCanSpend was before acquire, all waiters entered the queue with spent=0 and passed the check;
// after permits released waiters ran the runner and deducted the budget without re-checking → all over-spent.
// Fix: assertCanSpend moved into the critical section; waiters check spent after being woken before deciding to run.
// Force capacity=1 (serializing semaphore) to ensure N>1 agents must queue.
const { hooks, ctx } = buildCtx({
budgetTotal: 10,
runner: async () => {
// make the runner a bit slow to ensure waiters truly queue
await new Promise(r => {
setTimeout(r, 5)
})
return {
kind: 'ok',
output: 'x',
usage: { outputTokens: 6 }, // 6 tokens each, 2 runs exceed 10
}
},
})
// replace the default semaphore with a single-permit one, forcing serialization
ctx.resources.semaphore = new Semaphore(1)
const results = await hooks.parallel([
() => hooks.agent('a'),
() => hooks.agent('b'),
() => hooks.agent('c'),
() => hooks.agent('d'),
])
// at least 1 agent is caught as null by parallel (assertCanSpend throws)
expect(results.some(r => r === null)).toBe(true)
// not all 4 should run and spend 24; the cap is at-most-one-over (first two spend 12, last two blocked)
expect(ctx.resources.budget.spent()).toBeLessThanOrEqual(12)
})
test('agent signal aborted → WorkflowAbortedError', async () => {
const ac = new AbortController()
ac.abort()
const { hooks } = buildCtx({
signal: ac.signal,
runner: async () => ({
kind: 'ok',
output: 'x',
usage: { outputTokens: 1 },
}),
})
await expect(hooks.agent('x')).rejects.toThrow(WorkflowAbortedError)
})
test('parallel over 4096 items throws', async () => {
const { hooks } = buildCtx()
await expect(
hooks.parallel(Array.from({ length: 4097 }, () => async () => 1)),
).rejects.toThrow(WorkflowError)
})
test('workflow() nesting beyond one level throws', async () => {
const { hooks, ctx } = buildCtx()
ctx.resources.depth = 1
await expect(hooks.workflow('child')).rejects.toThrow(WorkflowError)
})
test('agent concurrency bounded by semaphore (does not exceed maxConcurrency)', async () => {
let active = 0
let peak = 0
const { hooks } = buildCtx({
runner: async () => {
active++
peak = Math.max(peak, active)
await new Promise(r => {
setTimeout(r, 5)
})
active--
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
})
await hooks.parallel(Array.from({ length: 32 }, () => () => hooks.agent('p')))
expect(peak).toBeLessThanOrEqual(maxConcurrency())
})
test('agentAdapterRegistry takes priority over agentRunner (dispatched to adapter by route)', async () => {
const called: string[] = []
const registry = new AgentAdapterRegistry()
.register({
id: 'ad',
capabilities: { structuredOutput: true },
async run() {
called.push('adapter')
return {
kind: 'ok',
output: 'from-adapter',
usage: { outputTokens: 1 },
}
},
})
.default('ad')
const { hooks } = buildCtx({
agentAdapterRegistry: registry,
runner: async () => {
called.push('runner')
return { kind: 'ok', output: 'from-runner', usage: { outputTokens: 1 } }
},
})
expect(await hooks.agent('x')).toBe('from-adapter')
expect(called).toEqual(['adapter'])
})
test('agentAdapterRegistry resolve throws → agent rethrows (workflow failed)', async () => {
const registry = new AgentAdapterRegistry().default('missing') // not registered
const { hooks } = buildCtx({
agentAdapterRegistry: registry,
runner: async () => ({
kind: 'ok',
output: 'x',
usage: { outputTokens: 1 },
}),
})
await expect(hooks.agent('x')).rejects.toThrow()
})
// service.kill(runId, agentId) bridge: hooks.agent must inject taskRegistrar's
// registerAgentAbort/unregisterAgentAbort into adapterCtx (bound to the current runId).
// The backend puts the agentAbort controller into a Map based on this; service.kill aborts precisely by agentId.
test('agentAdapter ctx injects registerAgentAbort/unregisterAgentAbort (bound to runId, forwards to taskRegistrar)', async () => {
const registered: Array<{
runId: string
agentId: number
controller: AbortController
}> = []
const unregistered: Array<{ runId: string; agentId: number }> = []
// capture the ctx hooks pass to the adapter (verify register/unregister are injected and bound to runId)
let capturedCtx: {
registerAgentAbort?: (id: number, ac: AbortController) => void
unregisterAgentAbort?: (id: number) => void
agentId: number
runId: string
} | null = null
const registry = new AgentAdapterRegistry()
.register({
id: 'ad',
capabilities: { structuredOutput: true },
async run(_params, ctx) {
capturedCtx = ctx
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
})
.default('ad')
const { hooks } = buildCtx({
agentAdapterRegistry: registry,
registerAgentAbort: (runId, agentId, controller) =>
registered.push({ runId, agentId, controller }),
unregisterAgentAbort: (runId, agentId) =>
unregistered.push({ runId, agentId }),
})
await hooks.agent('x')
// ctx contains register/unregister (closure bound to runId='r1')
expect(capturedCtx).not.toBeNull()
expect(typeof capturedCtx!.registerAgentAbort).toBe('function')
expect(typeof capturedCtx!.unregisterAgentAbort).toBe('function')
// simulate backend call: the injected closure forwards (agentId, controller) to taskRegistrar,
// and auto-fills runId='r1' (backend does not need to know runId)
const ac = new AbortController()
capturedCtx!.registerAgentAbort!(7, ac)
capturedCtx!.unregisterAgentAbort!(7)
expect(registered).toEqual([{ runId: 'r1', agentId: 7, controller: ac }])
expect(unregistered).toEqual([{ runId: 'r1', agentId: 7 }])
})
test('taskRegistrar does not provide registerAgentAbort → adapterCtx also lacks it (hooks do not error)', async () => {
// without registerAgentAbort/unregisterAgentAbort overrides → buildCtx does not inject taskRegistrar either
// hooks skip via optional chaining; adapterCtx lacks these two fields
let capturedCtx: object | null = null
const registry = new AgentAdapterRegistry()
.register({
id: 'ad',
capabilities: { structuredOutput: true },
async run(_params, ctx) {
capturedCtx = ctx
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
})
.default('ad')
const { hooks } = buildCtx({ agentAdapterRegistry: registry })
await hooks.agent('x')
expect(capturedCtx).not.toBeNull()
expect(
(capturedCtx! as Record<string, unknown>).registerAgentAbort,
).toBeUndefined()
})

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import { expect, test } from 'bun:test'
import * as wf from '../index.js'
test('engine core API fully exported', () => {
expect(typeof wf.runWorkflow).toBe('function')
expect(typeof wf.parseScript).toBe('function')
expect(typeof wf.extractMeta).toBe('function')
expect(typeof wf.makeHooks).toBe('function')
expect(typeof wf.createEngineContext).toBe('function')
expect(typeof wf.createSharedResources).toBe('function')
})
test('ports / host API fully exported', () => {
expect(typeof wf.createHostHandle).toBe('function')
expect(typeof wf.isHostHandle).toBe('function')
expect(typeof wf.unwrapHostHandle).toBe('function')
})
test('persistence / structured output / named workflow / progress API fully exported', () => {
expect(typeof wf.createFileJournalStore).toBe('function')
expect(typeof wf.agentCallKey).toBe('function')
expect(typeof wf.validateAgainstSchema).toBe('function')
expect(typeof wf.resolveNamedWorkflow).toBe('function')
expect(typeof wf.listNamedWorkflows).toBe('function')
expect(typeof wf.createBufferingEmitter).toBe('function')
expect(typeof wf.createProgressEmitter).toBe('function')
})
test('concurrency / budget / error classes fully exported', () => {
expect(typeof wf.Semaphore).toBe('function')
expect(typeof wf.maxConcurrency).toBe('function')
expect(typeof wf.clampMaxConcurrency).toBe('function')
expect(typeof wf.Budget).toBe('function')
expect(typeof wf.BudgetExhaustedError).toBe('function')
expect(typeof wf.WorkflowError).toBe('function')
expect(typeof wf.WorkflowAbortedError).toBe('function')
expect(typeof wf.ScriptError).toBe('function')
})
test('tool descriptor and input schema exported', () => {
expect(typeof wf.createWorkflowTool).toBe('function')
expect(typeof wf.workflowInputSchema).toBe('object')
expect(wf.WORKFLOW_TOOL_NAME).toBe('Workflow')
})
test('engine constant values are stable', () => {
expect(wf.WORKFLOW_DIR_NAME).toBe('.claude/workflows')
expect(wf.WORKFLOW_RUNS_DIR).toBe('.claude/workflow-runs')
expect(wf.WORKFLOW_TOOL_NAME).toBe('Workflow')
expect(wf.MAX_TOTAL_AGENTS).toBe(1000)
expect(wf.MAX_ITEMS_PER_CALL).toBe(4096)
expect(wf.MAX_CONCURRENCY_CAP).toBe(16)
expect(wf.DEFAULT_MAX_CONCURRENCY).toBe(3)
expect(wf.WORKFLOW_SCRIPT_EXTENSIONS).toEqual(['.ts', '.js', '.mjs'])
})
test('createWorkflowTool returns complete descriptor shape', () => {
const tool = wf.createWorkflowTool({
agentRunner: { runAgentToResult: async () => ({ kind: 'dead' }) },
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete() {},
fail() {},
kill() {},
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: wf.createHostHandle(null),
cwd: '/tmp',
budgetTotal: null,
}),
})
expect(tool.name).toBe('Workflow')
expect(tool.isEnabled()).toBe(true)
expect(tool.isReadOnly({})).toBe(false)
expect(typeof tool.call).toBe('function')
expect(typeof tool.description).toBe('function')
expect(typeof tool.prompt).toBe('function')
expect(typeof tool.renderToolUseMessage).toBe('function')
expect(typeof tool.mapToolResultToToolResultBlockParam).toBe('function')
})

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/**
* Integration test: runs the canonical workflow script (canonical pattern from the Workflow tool definition:
* pipeline without barrier + parallel barrier + agent(schema) + phase) with a faithful mock adapter.
* Verifies the engine is semantically compatible with real workflow scripts.
*/
import { expect, test } from 'bun:test'
import { mkdtemp, rm } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { runWorkflow } from '../engine/runWorkflow.js'
import { createFileJournalStore } from '../engine/journal.js'
import { createHostHandle, type WorkflowPorts } from '../ports.js'
import { createBufferingEmitter } from '../progress/events.js'
import type { AgentRunParams, AgentRunResult, ProgressEvent } from '../types.js'
function canonicalPorts(runsDir: string): {
ports: WorkflowPorts
events: ProgressEvent[]
agentCalls: AgentRunParams[]
} {
const { emitter, events } = createBufferingEmitter()
const agentCalls: AgentRunParams[] = []
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async (
params: AgentRunParams,
): Promise<AgentRunResult> => {
agentCalls.push(params)
const p = params.prompt
if (p.startsWith('review-')) {
return {
kind: 'ok',
output: { findings: [{ title: `${p}-finding`, file: 'a.ts' }] },
usage: { outputTokens: 5 },
}
}
if (p.startsWith('verify')) {
return {
kind: 'ok',
output: { isReal: true },
usage: { outputTokens: 2 },
}
}
return { kind: 'dead' }
},
},
progressEmitter: emitter,
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(runsDir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: runsDir,
budgetTotal: null,
}),
}
return { ports, events, agentCalls }
}
// canonical review pattern (pipeline→parallel→verify→synthesize), verbatim from the Workflow tool definition.
const CANONICAL_REVIEW_SCRIPT = `
export const meta = {
name: 'review-changes',
description: 'Review changed files across dimensions, verify each finding',
phases: [{ title: 'Review' }, { title: 'Verify' }],
}
const DIMENSIONS = [
{ key: 'bugs', prompt: 'review-bugs' },
{ key: 'perf', prompt: 'review-perf' },
]
const FINDINGS_SCHEMA = { type: 'object' }
const VERDICT_SCHEMA = { type: 'object' }
phase('Review')
const results = await pipeline(
DIMENSIONS,
d => agent(d.prompt, { label: 'review:' + d.key, phase: 'Review', schema: FINDINGS_SCHEMA }),
review => parallel(
review.findings.map(f => () =>
agent('verify: ' + f.title, { label: 'verify:' + f.file, phase: 'Verify', schema: VERDICT_SCHEMA })
.then(v => ({ ...f, verdict: v }))
)
)
)
const all = results.flat().filter(Boolean)
const confirmed = all.filter(f => f.verdict && f.verdict.isReal)
return { confirmed, total: all.length }
`
test('canonical review script end-to-end compatibility', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-int-'))
try {
const { ports, events, agentCalls } = canonicalPorts(dir)
const result = await runWorkflow({
script: CANONICAL_REVIEW_SCRIPT,
runId: 'int-1',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('completed')
const ret = result.returnValue as { confirmed: unknown[]; total: number }
// 2 dimensions × 1 finding, all isReal=true → confirmed=2, total=2
expect(ret.total).toBe(2)
expect(ret.confirmed).toHaveLength(2)
// 2 review agents + 2 verify agents = 4
expect(agentCalls).toHaveLength(4)
expect(agentCalls.filter(c => c.prompt.startsWith('review-'))).toHaveLength(
2,
)
expect(agentCalls.filter(c => c.prompt.startsWith('verify'))).toHaveLength(
2,
)
// progress events: run_started/done + phase Review/Verify + agent started/done
expect(
events.some(
e => e.type === 'run_started' && e.workflowName === 'review-changes',
),
).toBe(true)
expect(
events.some(e => e.type === 'run_done' && e.status === 'completed'),
).toBe(true)
// script explicitly calls phase('Review') once; the verify agent's phase:'Verify' is a display label, does not emit phase_started
expect(
events.filter(e => e.type === 'phase_started' && e.phase === 'Review'),
).toHaveLength(1)
expect(events.filter(e => e.type === 'agent_started')).toHaveLength(4)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('loop-until-dry pattern: two consecutive rounds with no new findings converges', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-int-'))
try {
let round = 0
const { emitter, events } = createBufferingEmitter()
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async (
p: AgentRunParams,
): Promise<AgentRunResult> => {
round++
// rounds 1-2 return findings, round 3+ returns empty → converges
const found = round <= 2 ? [{ b: round }] : []
return {
kind: 'ok',
output: { bugs: found },
usage: { outputTokens: 1 },
}
},
},
progressEmitter: emitter,
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(dir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
const script = `
const seen = []
const confirmed = []
let dry = 0
while (dry < 2) {
const found = (await agent('find bugs')).bugs
const fresh = found.filter(b => !seen.includes(b.b))
if (fresh.length === 0) { dry++; continue }
dry = 0
for (const b of fresh) seen.push(b.b)
confirmed.push(...fresh)
}
return { confirmed }
`
const result = await runWorkflow({
script,
runId: 'int-2',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('completed')
const ret = result.returnValue as { confirmed: { b: number }[] }
// round1 finds {b:1}, round2 finds {b:2} (fresh, since seen=[1]), round3 found{b:3}?
// mock counts by round: round1→{b:1}, round2→{b:2}, round3→[] (found empty)
// but round2 found=[{b:2}], seen=[1], fresh=[{b:2}] → confirmed=[{b:1},{b:2}], dry=0
// round3 found=[] → fresh=[] → dry=1; round4 found=[] → dry=2 → exits
expect(ret.confirmed).toHaveLength(2)
expect(
events.some(e => e.type === 'run_done' && e.status === 'completed'),
).toBe(true)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('resume compatibility: second run hits journal, agents do not re-run', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-int-'))
try {
let calls = 0
const makePorts = (): WorkflowPorts => ({
agentRunner: {
runAgentToResult: async () => {
calls++
return { kind: 'ok', output: 'live', usage: { outputTokens: 1 } }
},
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(dir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
})
const script = `
phase('A')
const a = await agent('do-a')
const b = await agent('do-b')
return { a, b }
`
// first run: 2 agents run live
const first = await runWorkflow({
script,
runId: 'int-3',
ports: makePorts(),
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(first.status).toBe('completed')
expect(calls).toBe(2)
// resume same runId: journal hit, no re-run
calls = 0
const resumed = await runWorkflow({
script,
runId: 'int-3',
ports: makePorts(),
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
resume: true,
})
expect(resumed.status).toBe('completed')
expect(calls).toBe(0)
} finally {
await rm(dir, { recursive: true, force: true })
}
})

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import { expect, test } from 'bun:test'
import { mkdtemp, rm } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { agentCallKey, createFileJournalStore } from '../engine/journal.js'
import type { AgentRunParams } from '../types.js'
const base: AgentRunParams = { prompt: 'do something' }
test('agentCallKey stable for same prompt+params', () => {
expect(agentCallKey('p', base)).toBe(agentCallKey('p', base))
})
test('agentCallKey varies with prompt', () => {
expect(agentCallKey('p1', base)).not.toBe(agentCallKey('p2', base))
})
test('agentCallKey ignores display-only fields label/phase', () => {
const a = agentCallKey('p', { ...base, label: 'A', phase: 'ph1' })
const b = agentCallKey('p', { ...base, label: 'B', phase: 'ph2' })
expect(a).toBe(b)
})
test('FileJournalStore append → read preserves order, truncate clears', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-journal-'))
try {
const store = createFileJournalStore(dir)
const e1 = {
key: 'k1',
seq: 0,
result: { kind: 'ok' as const, output: 'x', usage: { outputTokens: 1 } },
}
const e2 = { key: 'k2', seq: 1, result: { kind: 'dead' as const } }
await store.append('run-1', e1)
await store.append('run-1', e2)
const got = await store.read('run-1')
expect(got).toHaveLength(2)
expect(got[0]!.key).toBe('k1')
expect(got[1]!.result.kind).toBe('dead')
await store.truncate('run-1')
expect(await store.read('run-1')).toEqual([])
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('FileJournalStore read sorts by seq — resume stable when parallel completion order ≠ call order', async () => {
// Concurrent completion order is non-deterministic: append-to-disk = completion order; on resume, key matching uses call order.
// Without seq sorting → different runs have different key orders → nearly all keys mismatch →
// everything re-runs, journal becomes useless. Fix: read() re-orders by ascending seq before returning.
const dir = await mkdtemp(join(tmpdir(), 'wf-journal-sort-'))
try {
const store = createFileJournalStore(dir)
await store.append('r1', {
key: 'late',
seq: 2,
result: { kind: 'ok', output: 'late', usage: { outputTokens: 1 } },
})
await store.append('r1', {
key: 'first',
seq: 0,
result: { kind: 'ok', output: 'first', usage: { outputTokens: 1 } },
})
await store.append('r1', {
key: 'mid',
seq: 1,
result: { kind: 'ok', output: 'mid', usage: { outputTokens: 1 } },
})
const got = await store.read('r1')
expect(got.map(e => e.key)).toEqual(['first', 'mid', 'late'])
expect(got.map(e => e.seq)).toEqual([0, 1, 2])
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('agentCallKey varies with schema', () => {
const k0 = agentCallKey('p', { prompt: 'p' })
const k1 = agentCallKey('p', { prompt: 'p', schema: { type: 'object' } })
const k2 = agentCallKey('p', { prompt: 'p', schema: { type: 'array' } })
expect(k1).not.toBe(k0)
expect(k1).not.toBe(k2)
})
test('agentCallKey varies with model', () => {
expect(agentCallKey('p', { prompt: 'p', model: 'sonnet' })).not.toBe(
agentCallKey('p', { prompt: 'p', model: 'opus' }),
)
})
test('agentCallKey stable across params field order (canonical sort)', () => {
const a = agentCallKey('p', {
prompt: 'p',
model: 'm',
schema: { type: 'object' },
})
const b = agentCallKey('p', {
schema: { type: 'object' },
prompt: 'p',
model: 'm',
})
expect(a).toBe(b)
})
test('FileJournalStore read for non-existent run → []', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-journal-'))
try {
const store = createFileJournalStore(dir)
expect(await store.read('never-existed')).toEqual([])
} finally {
await rm(dir, { recursive: true, force: true })
}
})

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import { expect, test } from 'bun:test'
import { mkdtemp, rm, writeFile } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import {
listNamedWorkflows,
resolveNamedWorkflow,
} from '../engine/namedWorkflows.js'
test('resolves named workflow by extension priority', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-named-'))
try {
await writeFile(
join(dir, 'a.ts'),
'export const meta = { name: "a", description: "d" }\nreturn 1',
)
await writeFile(join(dir, 'b.js'), 'return 2')
await writeFile(join(dir, 'c.mjs'), 'return 3')
await writeFile(join(dir, 'ignore.md'), '# not a workflow')
const a = await resolveNamedWorkflow(dir, 'a')
expect(a?.path.endsWith('a.ts')).toBe(true)
expect(a?.content).toContain('meta')
expect(await resolveNamedWorkflow(dir, 'missing')).toBeNull()
const names = await listNamedWorkflows(dir)
expect(names).toEqual(['a', 'b', 'c']) // excludes .md
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('listNamedWorkflows returns empty array for non-existent directory', async () => {
expect(
await listNamedWorkflows(join(tmpdir(), 'wf-nope-' + Date.now())),
).toEqual([])
})
test('resolveNamedWorkflow falls back to .js/.mjs when .ts is missing', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-named-'))
try {
await writeFile(join(dir, 'onlyjs.js'), 'return 1')
await writeFile(join(dir, 'onlymjs.mjs'), 'return 2')
expect(
(await resolveNamedWorkflow(dir, 'onlyjs'))?.path.endsWith('onlyjs.js'),
).toBe(true)
expect(
(await resolveNamedWorkflow(dir, 'onlymjs'))?.path.endsWith(
'onlymjs.mjs',
),
).toBe(true)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('listNamedWorkflows returns sorted names', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-named-'))
try {
await writeFile(join(dir, 'zeta.ts'), 'return 1')
await writeFile(join(dir, 'alpha.js'), 'return 2')
await writeFile(join(dir, 'mid.mjs'), 'return 3')
expect(await listNamedWorkflows(dir)).toEqual(['alpha', 'mid', 'zeta'])
} finally {
await rm(dir, { recursive: true, force: true })
}
})

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import { expect, test } from 'bun:test'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { containsPath, sanitizeWorkflowName } from '../engine/paths.js'
test('containsPath: target equals base → true', () => {
const base = join(tmpdir(), 'a')
expect(containsPath(base, base)).toBe(true)
})
test('containsPath: target inside base → true', () => {
const base = join(tmpdir(), 'a')
const target = join(base, 'b', 'c.ts')
expect(containsPath(base, target)).toBe(true)
})
test('containsPath: target outside base (prefix false positive) → false', () => {
// /tmp/foobar should not be considered a subpath of /tmp/foo
const base = join(tmpdir(), 'foo')
const target = join(tmpdir(), 'foobar', 'x.ts')
expect(containsPath(base, target)).toBe(false)
})
test('containsPath: target using .. out of bounds → false', () => {
const base = join(tmpdir(), 'a', 'b')
const target = join(base, '..', 'outside.ts')
expect(containsPath(base, target)).toBe(false)
})
test('containsPath: relative target resolved against base', () => {
const base = join(tmpdir(), 'a')
expect(containsPath(base, 'sub/file.ts')).toBe(true)
expect(containsPath(base, '../b/file.ts')).toBe(false)
})
test('sanitizeWorkflowName: valid identifier → original value', () => {
expect(sanitizeWorkflowName('release')).toBe('release')
expect(sanitizeWorkflowName('my-workflow')).toBe('my-workflow')
expect(sanitizeWorkflowName('my_workflow_2')).toBe('my_workflow_2')
})
test('sanitizeWorkflowName: contains path separators → null', () => {
expect(sanitizeWorkflowName('foo/bar')).toBeNull()
expect(sanitizeWorkflowName('foo\\bar')).toBeNull()
expect(sanitizeWorkflowName('/abs/path')).toBeNull()
})
test('sanitizeWorkflowName: . / .. / empty → null', () => {
expect(sanitizeWorkflowName('.')).toBeNull()
expect(sanitizeWorkflowName('..')).toBeNull()
expect(sanitizeWorkflowName('')).toBeNull()
})
test('sanitizeWorkflowName: contains null byte → null', () => {
expect(sanitizeWorkflowName('evil\0.ts')).toBeNull()
})

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import { expect, test } from 'bun:test'
import { mkdtemp, readFile, rm } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { persistInlineScript } from '../tool/persistInline.js'
test('persists to <cwd>/.claude/workflow-runs/<runId>/script.js and returns path', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-pi-'))
try {
const path = await persistInlineScript('return 1', 'r1', dir)
expect(path).toBe(join(dir, '.claude', 'workflow-runs', 'r1', 'script.js'))
expect(await readFile(path, 'utf-8')).toBe('return 1')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('same runId repeated writes overwrite (mkdir idempotent, no error)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-pi-'))
try {
await persistInlineScript('first', 'r2', dir)
const path = await persistInlineScript('second', 'r2', dir)
expect(await readFile(path, 'utf-8')).toBe('second')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('different runId do not interfere (independent subdirectories)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-pi-'))
try {
const p1 = await persistInlineScript('a', 'run-a', dir)
const p2 = await persistInlineScript('b', 'run-b', dir)
expect(p1).not.toBe(p2)
expect(await readFile(p1, 'utf-8')).toBe('a')
expect(await readFile(p2, 'utf-8')).toBe('b')
} finally {
await rm(dir, { recursive: true, force: true })
}
})

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import { expect, test } from 'bun:test'
import { createHostHandle, isHostHandle, unwrapHostHandle } from '../ports.js'
test('createHostHandle wraps any bundle and is opaque externally', () => {
const bundle = { secret: 'ctx', nested: { a: 1 } }
const handle = createHostHandle(bundle)
expect(isHostHandle(handle)).toBe(true)
// bundle is not exposed externally — handle only has a symbol marker
expect(Object.keys(handle)).toHaveLength(0)
})
test('plain object is not a HostHandle', () => {
expect(isHostHandle({} as unknown)).toBe(false)
expect(isHostHandle(null)).toBe(false)
})
test('ports object satisfies the minimal shape', () => {
// compile-time shape validation: the assignment below passing means the ports contract is self-consistent
const noop = (): void => {}
const ports = {
agentRunner: { runAgentToResult: noop },
progressEmitter: { emit: noop },
taskRegistrar: {
register: () => ({
runId: 'run-1',
signal: new AbortController().signal,
}),
complete: noop,
fail: noop,
kill: noop,
pendingAction: () => null,
},
journalStore: {
read: async () => [],
append: async () => {},
truncate: async () => {},
},
permissionGate: { isAborted: () => false },
logger: { debug: noop, event: noop },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: '/tmp',
budgetTotal: null,
toolUseId: 'tu-1',
}),
}
expect(ports.taskRegistrar.register().runId).toBe('run-1')
expect(ports.hostFactory().toolUseId).toBe('tu-1')
})
test('unwrapHostHandle retrieves the original bundle (same reference)', () => {
const bundle = { secret: 'ctx', nested: { a: 1 } }
const handle = createHostHandle(bundle)
expect(unwrapHostHandle(handle)).toBe(bundle)
})
test('createHostHandle(null) is opaque and unwraps to null', () => {
const handle = createHostHandle(null)
expect(isHostHandle(handle)).toBe(true)
expect(unwrapHostHandle(handle)).toBeNull()
})

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import { expect, test } from 'bun:test'
import { mkdtemp, mkdir, rm, writeFile } from 'node:fs/promises'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { runWorkflow } from '../engine/runWorkflow.js'
import { agentCallKey, createFileJournalStore } from '../engine/journal.js'
import { createHostHandle, type WorkflowPorts } from '../ports.js'
import type { AgentRunParams, AgentRunResult, ProgressEvent } from '../types.js'
function portsWith(
runsDir: string,
results: Map<string, AgentRunResult>,
): WorkflowPorts {
return {
agentRunner: {
runAgentToResult: async (p: AgentRunParams) =>
results.get(p.prompt) ?? { kind: 'dead' },
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(runsDir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: runsDir,
budgetTotal: null,
}),
}
}
function portsWithEvents(
runsDir: string,
results: Map<string, AgentRunResult>,
): { ports: WorkflowPorts; events: ProgressEvent[] } {
const events: ProgressEvent[] = []
return {
events,
ports: {
agentRunner: {
runAgentToResult: async (p: AgentRunParams) =>
results.get(p.prompt) ?? { kind: 'dead' },
},
progressEmitter: { emit: e => void events.push(e) },
taskRegistrar: {
register: () => ({
runId: 'r',
signal: new AbortController().signal,
}),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(runsDir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: runsDir,
budgetTotal: null,
}),
},
}
}
test('end-to-end: script returns agent result, status completed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const ports = portsWith(
dir,
new Map([
['compute', { kind: 'ok', output: '42', usage: { outputTokens: 3 } }],
]),
)
const result = await runWorkflow({
script: `export const meta = { name: 't', description: 'd' }\nreturn agent('compute')`,
runId: 'run-1',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('completed')
expect(result.returnValue).toBe('42')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('script syntax error → failed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const ports = portsWith(dir, new Map())
const result = await runWorkflow({
script: `export const meta = { name: 't', description: 'd' }\nreturn ((`,
runId: 'run-2',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('failed')
expect(result.error).toBeTruthy()
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('resume: journal hit skips runner call', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
let called = 0
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async () => {
called++
return { kind: 'ok', output: 'live', usage: { outputTokens: 1 } }
},
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(dir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
const key = agentCallKey('compute', { prompt: 'compute' })
await ports.journalStore.append('run-3', {
key,
seq: 0,
result: { kind: 'ok', output: 'cached', usage: { outputTokens: 1 } },
})
const result = await runWorkflow({
script: `return agent('compute')`,
runId: 'run-3',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
resume: true,
})
expect(result.status).toBe('completed')
expect(result.returnValue).toBe('cached')
expect(called).toBe(0)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('abort → killed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const ports = portsWith(
dir,
new Map([['x', { kind: 'ok', output: '1', usage: { outputTokens: 1 } }]]),
)
const ac = new AbortController()
ac.abort()
const result = await runWorkflow({
script: `return agent('x')`,
runId: 'run-4',
ports,
host: createHostHandle(null),
signal: ac.signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('killed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('workflow() nesting (one level) shares counts', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
await mkdir(join(dir, '.claude', 'workflows'), { recursive: true })
await writeFile(
join(dir, '.claude', 'workflows', 'child.ts'),
`return agent('child')\n// child workflow`,
)
const ports = portsWith(
dir,
new Map([
[
'child',
{ kind: 'ok', output: 'child-out', usage: { outputTokens: 1 } },
],
]),
)
const result = await runWorkflow({
script: `return workflow('child')`,
runId: 'run-5',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('completed')
expect(result.returnValue).toBe('child-out')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
// ---- boundary and events ----
test('scriptChanged=true → truncate journal and run all live', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
let called = 0
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async () => {
called++
return { kind: 'ok', output: 'live', usage: { outputTokens: 1 } }
},
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(dir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
const key = agentCallKey('compute', { prompt: 'compute' })
await ports.journalStore.append('run-chg', {
key,
seq: 0,
result: { kind: 'ok', output: 'cached', usage: { outputTokens: 1 } },
})
const result = await runWorkflow({
script: `return agent('compute')`,
runId: 'run-chg',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
resume: true,
scriptChanged: true,
})
expect(result.status).toBe('completed')
expect(result.returnValue).toBe('live')
expect(called).toBe(1)
// truncate cleared the old cached journal, live agent appends a new entry
const final = await ports.journalStore.read('run-chg')
expect(final).toHaveLength(1)
expect((final[0]!.result as { output: string }).output).toBe('live')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('script runtime throw (non-syntax error) → failed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const ports = portsWith(dir, new Map())
const result = await runWorkflow({
script: `throw new Error('boom at runtime')`,
runId: 'run-throw',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('failed')
expect(result.error).toMatch(/boom/)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('emits run_started (with workflowName) and run_done events', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const { ports, events } = portsWithEvents(
dir,
new Map([['x', { kind: 'ok', output: '1', usage: { outputTokens: 1 } }]]),
)
await runWorkflow({
script: `return agent('x')`,
runId: 'run-ev',
workflowName: 'my-wf',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(
events.some(e => e.type === 'run_started' && e.workflowName === 'my-wf'),
).toBe(true)
expect(
events.some(e => e.type === 'run_done' && e.status === 'completed'),
).toBe(true)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
// Emit phase_done for currentPhase before terminal state: hook.phase only emits the previous phase's done on switch,
// the last phase has no subsequent switch → the UI left panel would show running forever. Verify all three paths re-emit.
test('re-emit phase_done for currentPhase before terminal state (completed path)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const { ports, events } = portsWithEvents(
dir,
new Map([['x', { kind: 'ok', output: '1', usage: { outputTokens: 1 } }]]),
)
await runWorkflow({
script: `phase('Review')\nreturn agent('x')`,
runId: 'run-phase-done',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
// Both phase_started and phase_done for Review should be present (done from re-emit before terminal)
expect(
events.some(e => e.type === 'phase_started' && e.phase === 'Review'),
).toBe(true)
expect(
events.some(e => e.type === 'phase_done' && e.phase === 'Review'),
).toBe(true)
// Order: phase_done must precede run_done (reducer is order-independent, but the event stream is clearer this way)
const lastPhaseDone = Math.max(
0,
...events.map((e, i) => (e.type === 'phase_done' ? i : -1)),
)
const runDoneIdx = events.findIndex(e => e.type === 'run_done')
expect(runDoneIdx).toBeGreaterThan(0)
expect(lastPhaseDone).toBeLessThan(runDoneIdx)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('re-emit phase_done for currentPhase before terminal state (killed path)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const { ports, events } = portsWithEvents(
dir,
new Map([['x', { kind: 'ok', output: '1', usage: { outputTokens: 1 } }]]),
)
const ac = new AbortController()
ac.abort()
await runWorkflow({
script: `phase('Run')\nreturn agent('x')`,
runId: 'run-kill-phase',
ports,
host: createHostHandle(null),
signal: ac.signal,
cwd: dir,
budgetTotal: null,
})
expect(events.some(e => e.type === 'phase_done' && e.phase === 'Run')).toBe(
true,
)
expect(
events.some(e => e.type === 'run_done' && e.status === 'killed'),
).toBe(true)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('no phase() call → terminal does not re-emit phase_done (currentPhase is null)', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const { ports, events } = portsWithEvents(
dir,
new Map([['x', { kind: 'ok', output: '1', usage: { outputTokens: 1 } }]]),
)
await runWorkflow({
script: `return agent('x')`,
runId: 'run-no-phase',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
// No phase() → currentPhase is null → terminal does not re-emit phase_done
expect(events.some(e => e.type === 'phase_done')).toBe(false)
expect(events.some(e => e.type === 'phase_started')).toBe(false)
expect(
events.some(e => e.type === 'run_done' && e.status === 'completed'),
).toBe(true)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('derives workflowName from meta.name when not passed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const { ports, events } = portsWithEvents(dir, new Map())
await runWorkflow({
script: `export const meta = { name: 'from-meta', description: 'd' }\nreturn 1`,
runId: 'run-meta',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(
events.some(
e => e.type === 'run_started' && e.workflowName === 'from-meta',
),
).toBe(true)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('budgetTotal exhausted → failed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const ports = portsWith(
dir,
new Map([
['a', { kind: 'ok', output: '1', usage: { outputTokens: 5 } }],
['b', { kind: 'ok', output: '2', usage: { outputTokens: 5 } }],
]),
)
const result = await runWorkflow({
script: `await agent('a')\nreturn agent('b')`,
runId: 'run-budget',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: 5,
})
expect(result.status).toBe('failed')
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('maxConcurrency passthrough: parallel agents bounded by run-level concurrency slots', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
let active = 0
let peak = 0
const ports: WorkflowPorts = {
agentRunner: {
runAgentToResult: async () => {
active++
peak = Math.max(peak, active)
await new Promise(r => {
setTimeout(r, 8)
})
active--
return { kind: 'ok', output: 'x', usage: { outputTokens: 1 } }
},
},
progressEmitter: { emit: () => {} },
taskRegistrar: {
register: () => ({ runId: 'r', signal: new AbortController().signal }),
complete: () => {},
fail: () => {},
kill: () => {},
pendingAction: () => null,
},
journalStore: createFileJournalStore(dir),
permissionGate: { isAborted: () => false },
logger: { debug: () => {}, event: () => {} },
hostFactory: () => ({
handle: createHostHandle(null),
cwd: dir,
budgetTotal: null,
}),
}
const result = await runWorkflow({
script: `return parallel(Array.from({length: 8}, () => () => agent('p')))`,
runId: 'run-mc',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
maxConcurrency: 2,
})
expect(result.status).toBe('completed')
expect(peak).toBeLessThanOrEqual(2)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('workflow() references a syntactically broken sub-script → failed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
await mkdir(join(dir, '.claude', 'workflows'), { recursive: true })
await writeFile(join(dir, '.claude', 'workflows', 'broken.ts'), `return ((`)
const ports = portsWith(dir, new Map())
const result = await runWorkflow({
script: `return workflow('broken')`,
runId: 'run-sub-err',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('failed')
expect(result.error).toMatch(/Sub-workflow|script error/i)
} finally {
await rm(dir, { recursive: true, force: true })
}
})
test('workflow() references a non-existent name → failed', async () => {
const dir = await mkdtemp(join(tmpdir(), 'wf-run-'))
try {
const ports = portsWith(dir, new Map())
const result = await runWorkflow({
script: `return workflow('ghost')`,
runId: 'run-sub-missing',
ports,
host: createHostHandle(null),
signal: new AbortController().signal,
cwd: dir,
budgetTotal: null,
})
expect(result.status).toBe('failed')
expect(result.error).toMatch(/Sub-workflow|not found/i)
} finally {
await rm(dir, { recursive: true, force: true })
}
})

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import { expect, test } from 'bun:test'
import { workflowInputSchema } from '../tool/schema.js'
test('empty object passes (all fields optional)', () => {
expect(workflowInputSchema.safeParse({}).success).toBe(true)
})
test('all known fields can be filled', () => {
const r = workflowInputSchema.safeParse({
script: 'return 1',
name: 'release',
scriptPath: '/abs/x.ts',
args: { n: 1 },
resumeFromRunId: 'run-1',
description: 'do thing',
title: 'T',
maxConcurrency: 3,
})
expect(r.success).toBe(true)
})
test('args accepts any JSON value (object/array/string/number/boolean/null)', () => {
for (const args of [{ a: 1 }, [1, 2], 's', 42, true, null]) {
expect(workflowInputSchema.safeParse({ args }).success).toBe(true)
}
})
test('type errors rejected (script/name/scriptPath not strings)', () => {
expect(workflowInputSchema.safeParse({ script: 123 }).success).toBe(false)
expect(workflowInputSchema.safeParse({ name: 42 }).success).toBe(false)
expect(workflowInputSchema.safeParse({ scriptPath: {} }).success).toBe(false)
})
test('resumeFromRunId/description/title must be strings', () => {
expect(workflowInputSchema.safeParse({ resumeFromRunId: 1 }).success).toBe(
false,
)
expect(workflowInputSchema.safeParse({ description: 1 }).success).toBe(false)
expect(workflowInputSchema.safeParse({ title: 1 }).success).toBe(false)
})
test('unknown fields are stripped (zod default non-strict, safeParse succeeds)', () => {
const r = workflowInputSchema.safeParse({ script: 'x', extra: 1 })
expect(r.success).toBe(true)
})
test('maxConcurrency: integers 1-16 valid; 0/17/decimal/non-number rejected', () => {
for (const n of [1, 3, 5, 16]) {
expect(workflowInputSchema.safeParse({ maxConcurrency: n }).success).toBe(
true,
)
}
for (const bad of [0, -1, 17, 100, 1.5, '3', NaN]) {
expect(workflowInputSchema.safeParse({ maxConcurrency: bad }).success).toBe(
false,
)
}
})
test('maxConcurrency optional (safeParse succeeds when omitted)', () => {
expect(workflowInputSchema.safeParse({ script: 'x' }).success).toBe(true)
})

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import { expect, test } from 'bun:test'
import {
ScriptError,
extractMeta,
parseScript,
type WorkflowHooks,
} from '../engine/script.js'
const stubHooks: WorkflowHooks = {
agent: async () => 'agent-result',
parallel: async thunks =>
Promise.all(
thunks.map(async t => {
try {
return await t()
} catch {
return null
}
}),
),
pipeline: async () => [],
phase: () => {},
log: () => {},
workflow: async () => null,
}
test('extractMeta extracts plain literals and strips the statement', () => {
const src = `export const meta = { name: 'x', description: 'y' }\nreturn 1`
const { meta, body } = extractMeta(src)
expect(meta?.name).toBe('x')
expect(meta?.description).toBe('y')
expect(body).not.toContain('export const meta')
expect(body).toContain('return 1')
})
test('extractMeta returns null when no meta and body unchanged', () => {
const src = `return 42`
const { meta, body } = extractMeta(src)
expect(meta).toBeNull()
expect(body).toBe(src)
})
test('extractMeta rejects non-plain literals (variable references)', () => {
const src = `const x = 1\nexport const meta = { name: 'x', description: y }\nreturn 1`
expect(() => extractMeta(src)).toThrow(ScriptError)
})
test('parseScript executes top-level return of body', async () => {
const { execute } = parseScript(`return args.n + 1`)
const out = await execute(stubHooks, { n: 41 }, { total: null })
expect(out).toBe(42)
})
test('Date.now() in script throws non-determinism error', async () => {
const { execute } = parseScript(`return Date.now()`)
await expect(execute(stubHooks, {}, { total: null })).rejects.toThrow(
/Date\.now/,
)
})
test('Math.random() in script throws non-determinism error', async () => {
const { execute } = parseScript(`return Math.random()`)
await expect(execute(stubHooks, {}, { total: null })).rejects.toThrow(
/Math\.random/,
)
})
test('no-arg new Date() throws, but new Date(arg) is allowed', async () => {
const bad = parseScript(`return new Date()`)
await expect(bad.execute(stubHooks, {}, { total: null })).rejects.toThrow(
/new Date/,
)
const good = parseScript(
`return new Date('2020-06-12T00:00:00Z').getUTCFullYear()`,
)
await expect(good.execute(stubHooks, {}, { total: null })).resolves.toBe(2020)
})
// ---- meta validation error branches and nesting ----
test('extractMeta meta is array → ScriptError', () => {
expect(() => extractMeta('export const meta = [1, 2]\nreturn 1')).toThrow(
ScriptError,
)
})
test('extractMeta meta missing name → ScriptError', () => {
expect(() =>
extractMeta('export const meta = { description: "d" }\nreturn 1'),
).toThrow(ScriptError)
})
test('extractMeta meta missing description → ScriptError', () => {
expect(() =>
extractMeta('export const meta = { name: "n" }\nreturn 1'),
).toThrow(ScriptError)
})
test('extractMeta meta unclosed braces → ScriptError', () => {
expect(() =>
extractMeta('export const meta = { name: "n", description: "d"\nreturn 1'),
).toThrow(ScriptError)
})
test('extractMeta supports nested objects (phases array)', () => {
const src = `export const meta = { name: 'x', description: 'y', phases: [{ title: 'A' }, { title: 'B' }] }\nreturn 1`
const { meta } = extractMeta(src)
expect(meta?.name).toBe('x')
expect(meta?.phases).toHaveLength(2)
expect(meta?.phases?.[0]?.title).toBe('A')
expect(meta?.phases?.[1]?.title).toBe('B')
})
test('parseScript syntax error → ScriptError', () => {
expect(() => parseScript('return ((')).toThrow(ScriptError)
})
test('parseScript detects import → guided ScriptError (not a generic syntax error)', () => {
expect(() =>
parseScript(
`import { foo } from 'bar'\nexport const meta = { name: 'n', description: 'd' }\nreturn foo()`,
),
).toThrow(ScriptError)
expect(() =>
parseScript(
`import { foo } from 'bar'\nexport const meta = { name: 'n', description: 'd' }\nreturn foo()`,
),
).toThrow(/import is not supported/)
})
test('parseScript detects extra export beyond meta → guided ScriptError', () => {
expect(() =>
parseScript(
`export const meta = { name: 'n', description: 'd' }\nexport const X = 1\nreturn X`,
),
).toThrow(ScriptError)
expect(() =>
parseScript(
`export const meta = { name: 'n', description: 'd' }\nexport const X = 1\nreturn X`,
),
).toThrow(/allow only one export const meta/)
})
test('parseScript does not misfire on normal plain JS scripts (no import / no extra export)', () => {
const { execute } = parseScript(
`export const meta = { name: 'n', description: 'd' }\nconst r = await agent('hi')\nreturn r`,
)
expect(typeof execute).toBe('function')
})
test('parseScript detects dynamic import(...) → guided ScriptError (sandbox anti-escape)', () => {
expect(() =>
parseScript(
`const cp = await import('node:child_process')\nreturn cp.execSync('id').toString()`,
),
).toThrow(ScriptError)
expect(() =>
parseScript(`const cp = await import('node:child_process')\nreturn cp`),
).toThrow(/import/)
})
test('parseScript does not misfire when a line contains the import string literal (e.g. prompt contains "import")', () => {
// import inside a string should not be caught by the static regex — prompt may contain the word "import"
const { execute } = parseScript(
`export const meta = { name: 'n', description: 'd' }\nconst r = await agent('please import this module')\nreturn r`,
)
expect(typeof execute).toBe('function')
})

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import { expect, test } from 'bun:test'
import { validateAgainstSchema } from '../engine/structuredOutput.js'
const schema = {
type: 'object',
required: ['name', 'count'],
properties: {
name: { type: 'string' },
count: { type: 'number' },
},
additionalProperties: false,
}
test('valid object passes', () => {
const { valid, errors } = validateAgainstSchema(
{ name: 'a', count: 1 },
schema,
)
expect(valid).toBe(true)
expect(errors).toEqual([])
})
test('missing field fails', () => {
const { valid, errors } = validateAgainstSchema({ name: 'a' }, schema)
expect(valid).toBe(false)
expect(errors.length).toBeGreaterThan(0)
})
test('type error fails', () => {
const { valid } = validateAgainstSchema({ name: 'a', count: 'x' }, schema)
expect(valid).toBe(false)
})
test('same schema reuses cache', () => {
validateAgainstSchema({ name: 'a', count: 1 }, schema)
// second use of the same schema object should hit cache (not throwing is enough)
expect(validateAgainstSchema({ name: 'b', count: 2 }, schema).valid).toBe(
true,
)
})

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import { expect, test } from 'bun:test'
// Directly construct type shapes to verify JSON round-trip (core requirement for resume persistence).
test('AgentRunResult ok branch can JSON round-trip', () => {
const result = {
kind: 'ok' as const,
output: { confirmed: true },
usage: { outputTokens: 42 },
}
const round = JSON.parse(JSON.stringify(result))
expect(round).toEqual(result)
expect(round.kind).toBe('ok')
})
test('AgentRunResult skipped/dead branch can JSON round-trip', () => {
for (const kind of ['skipped', 'dead'] as const) {
const round = JSON.parse(JSON.stringify({ kind }))
expect(round.kind).toBe(kind)
}
})
// dead carries optional reason/detail: journal persistence preserves cause of death for post-hoc audit / panel display.
test('AgentRunResult dead with reason/detail can JSON round-trip', () => {
const dead = {
kind: 'dead' as const,
reason: 'no-structured-output' as const,
detail: 'finalize content has no StructuredOutput tool_use or JSON text',
}
const round = JSON.parse(JSON.stringify(dead))
expect(round).toEqual(dead)
expect(round.kind).toBe('dead')
expect(round.reason).toBe('no-structured-output')
})
// Backward compatible with old journals: reason/detail both optional, missing is still valid dead.
test('AgentRunResult dead without reason is still valid (backward compatible with old journal)', () => {
const legacy = { kind: 'dead' as const }
const round = JSON.parse(JSON.stringify(legacy))
expect(round.kind).toBe('dead')
expect(round.reason).toBeUndefined()
expect(round.detail).toBeUndefined()
})
test('JournalEntry shape is stable', () => {
const entry = {
key: 'abc123',
result: { kind: 'ok', output: 'text', usage: { outputTokens: 1 } },
}
const round = JSON.parse(JSON.stringify(entry))
expect(round.key).toBe('abc123')
expect(round.result.kind).toBe('ok')
})