Merge remote-tracking branch 'origin/master' into worktree/pr628-merge-20260727

# Conflicts:
#	.agents/notes/implemented/architecture/2026-06-21-bounded-llm-request-recovery.md
#	docs/architecture.i18n.yaml
#	docs/config-catalog.md
#	docs/cordis-catalog/events.md
#	docs/cordis-catalog/services.md
#	docs/core-data-structures/llm-streaming.i18n.yaml
#	docs/core-data-structures/llm-streaming.md
#	docs/core-data-structures/llm-streaming.zh.md
#	docs/event-producer-consumer.md
#	docs/module-graph.md
#	examples/headless-agent/tests/headless.snapshot.ts
#	packages/compact/compact-basic/tests/compact-loop-repro.spec.ts
#	packages/cordis/tool-cordis/src/api-catalog.ts
#	packages/core/agent-loop/README.md
#	packages/core/agent-loop/src/loop.ts
#	packages/examples/agent-spine-demo/README.md
#	packages/llm/README.md
#	packages/llm/llm-deepseek/src/adapter.ts
#	packages/llm/llm-pi-ai/src/adapter.ts
#	packages/llm/llm-retry/README.md
#	packages/llm/llm/README.md
#	packages/llm/llm/src/index.ts
#	packages/llm/llm/tests/service.spec.ts
#	packages/support/llm-replay/src/index.ts
#	packages/support/llm-replay/tests/llm-replay.spec.ts

examples/headless-agent/README.i18n.yaml

@@ -0,0 +1,6 @@
+# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
+# side as of the last confirmed-consistent state. Both languages carry equal authority;
+# after editing either side, bring the other along and re-record with:
+#   pnpm run verify-translation-pairing --write
+README.md: 445804a2611e5e8093eadf345ad10a2a7984c012
+README.zh.md: 68ec718afe0b2aca276be2689cbae74167ee1c7b

examples/headless-agent/README.md

@@ -1,5 +1,7 @@
 # headless-agent
 
+English | [中文](README.zh.md)
+
 Headless one-shot agent wiring: DeepSeek V4 + local bash and filesystem tools + subagent delegation + workflows and fresh-agent Ralph iteration + `todo_write` + JSONL persistence, with [`@deepseek-ai/dsh-cli-demo`](../../packages/examples/cli-demo) as the app front door.
 
 ## Run it

examples/headless-agent/README.zh.md

@@ -0,0 +1,26 @@
+# headless-agent
+
+[English](README.md) | 中文
+
+无头单次 agent（智能体）接线：DeepSeek V4 + 本地 bash 与文件系统工具 + subagent 委托 + 工作流与新 agent Ralph 迭代 + `todo_write` + JSONL 持久化，并以 [`@deepseek-ai/dsh-cli-demo`](../../packages/examples/cli-demo) 作为应用入口。
+
+## 运行
+
+```sh
+# repo root .env (gitignored) or exported env:
+#   DEEPSEEK_API_KEY=sk-…
+#   DEEPSEEK_BASE_URL=https://…   # optional; defaults to the public API
+pnpm run demo:headless "fix the failing test in this workspace"
+pnpm run demo:headless --output-format json -- "summarize the implementation"
+pnpm run demo:headless --output-format stream-json -- "run the focused tests"
+```
+
+必须提供且只能提供一个非空位置任务；含空格的任务需要加引号。没有 `-p` 标志。`text` 打印最后一条包含文本的 assistant 消息，`json` 打印一条 DSH 原生结果记录，`stream-json` 则在该记录之前发出顶层会话的规范任务轮次事件。子会话只通过父工具事件和结果对外显示。
+
+每次调用都会创建并持久化新会话，在一个轮次中运行所有模型和工具步骤，然后刷新、释放并退出。这是非交互式自动化：没有提示符、批准、恢复、第二轮次或 stdin 上下文。已配置工具可以修改启动 workspace、运行命令、spawn 子 agent，并消耗提供方 token。
+
+## 高级与快照接线
+
+[`advanced.cordis.yml`](advanced.cordis.yml) 在已交付叶节点上添加 Code Mode 和 Cordis 工具。[`advanced.cordis.snapshot.yml`](advanced.cordis.snapshot.yml) 只将实时 LLM（大语言模型）替换为回放。[`tests/`](tests/) 下的测试拥有无密钥真实 Loader 冒烟测试、密钥门控的外部状态验证冒烟测试，以及带父子会话 fixture（测试前置数据）的 `stream-json` 回放快照。
+
+包级 [CLI 契约](../../packages/examples/cli-demo/README.md)记录输出记录、退出状态、取消、持久化以及模型／token 影响。

examples/headless-agent/composition.md

@@ -10,6 +10,8 @@ flowchart LR
   cfg["examples/headless-agent<br/>cordis.yml"]
   plugin_headless_llm_deepseek["llm-deepseek<br/>@deepseek-ai/dsh-llm-deepseek"]
   cfg --> plugin_headless_llm_deepseek
+  plugin_headless_subprocess["subprocess<br/>@deepseek-ai/dsh-subprocess-local"]
+  cfg --> plugin_headless_subprocess
   plugin_headless_bash["bash<br/>@deepseek-ai/dsh-bash-local"]
   cfg --> plugin_headless_bash
   plugin_headless_cli_agent["cli-agent<br/>@deepseek-ai/dsh-cli-demo"]
@@ -54,6 +56,7 @@ flowchart LR
 | Plugin id | Package / module |
 | --- | --- |
 | `llm-deepseek` | `@deepseek-ai/dsh-llm-deepseek` |
+| `subprocess` | `@deepseek-ai/dsh-subprocess-local` |
 | `bash` | `@deepseek-ai/dsh-bash-local` |
 | `cli-agent` | `@deepseek-ai/dsh-cli-demo` |
 | `token-meter` | `@deepseek-ai/dsh-token-meter` |

examples/headless-agent/cordis.yml

@@ -19,6 +19,10 @@
       - id: deepseek-v4-flash
         contextWindow: 128000
 
+# Managed child-process groups for the bash executor (spawn/kill/output plumbing).
+- id: subprocess
+  name: '@deepseek-ai/dsh-subprocess-local'
+
 - id: bash
   name: '@deepseek-ai/dsh-bash-local'
   config:

examples/headless-agent/semantic-checkpoint.cordis.snapshot.yml

@@ -17,6 +17,10 @@
     file: !!js process.env.DSH_SNAPSHOT_FILE
     overrideFile: !!js process.env.DSH_SNAPSHOT_OVERRIDE
 
+# Managed child-process groups for the bash executor (spawn/kill/output plumbing).
+- id: subprocess
+  name: '@deepseek-ai/dsh-subprocess-local'
+
 - id: bash
   name: '@deepseek-ai/dsh-bash-local'
   config:

examples/headless-agent/tests/code-mode.e2e.ts

@@ -13,13 +13,14 @@ import AgentRegistry, { type Agent } from '@deepseek-ai/dsh-agent'
 
 import AgentLoop from '@deepseek-ai/dsh-agent-loop'
 import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local'
+import LocalSubprocessService from '@deepseek-ai/dsh-subprocess-local'
 import * as ToolBash from '@deepseek-ai/dsh-tool-bash'
 import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek'
 import { WorkerCodeRuntime } from '@deepseek-ai/dsh-code-runtime-worker'
 import LocalFileSystem from '@deepseek-ai/dsh-fs-local'
 import * as ToolFs from '@deepseek-ai/dsh-tool-fs'
 import * as WorkspaceContext from '@deepseek-ai/dsh-workspace-context'
-import TaskService from '@deepseek-ai/dsh-tasks'
+import LocalTaskService from '@deepseek-ai/dsh-tasks-local'
 import * as ToolTasks from '@deepseek-ai/dsh-tool-tasks'
 import * as ToolCordis from '@deepseek-ai/dsh-tool-cordis'
 
@@ -55,6 +56,7 @@ async function codeModeHarness(cwd: string): Promise<Context> {
   await harness.plugin(AgentRegistry)
   await harness.plugin(AgentLoop, { agents: [] })
   await harness.plugin(LlmDeepSeek)
+  await harness.plugin(LocalSubprocessService)
   await harness.plugin(LocalBashExecutor, { cwd, timeoutMs: 30_000 })
   await harness.plugin(ToolBash)
   await harness.plugin(WorkerCodeRuntime, {})
@@ -85,7 +87,7 @@ function runCode(harness: Context, code: string, signal: AbortSignal = testToolS
   return harness.tools.execute({
     callId: CallId(`keyless-code-${++keylessCall}`),
     name: RUN_CODE_NAME,
-    arguments: { code },
+    arguments: { code, description: 'Run the e2e program' },
     signal,
   })
 }
@@ -112,8 +114,9 @@ async function typedCodeModeHarness(): Promise<Context> {
 /** Keyless real-worker harness with the task-owned bash lifecycle. */
 async function backgroundCodeModeHarness(cwd: string): Promise<Context> {
   const harness = await typedCodeModeHarness()
-  await harness.plugin(TaskService)
+  await harness.plugin(LocalTaskService)
   await harness.plugin(ToolTasks, {})
+  await harness.plugin(LocalSubprocessService)
   await harness.plugin(LocalBashExecutor, { cwd, timeoutMs: 30_000 })
   await harness.plugin(ToolBash)
   return harness

examples/headless-agent/tests/fixtures/cli-mock-llm.ts

@@ -1,8 +1,33 @@
 import type { Context } from 'cordis'
-import { CallId, LlmAdapter, type GenerateOptions, type StreamChunk } from '@deepseek-ai/dsh-llm'
+import {
+  CallId,
+  LlmAdapter,
+  ReasoningEffortId,
+  type GenerateOptions,
+  type LlmResolvedModelInfo,
+  type StreamChunk,
+} from '@deepseek-ai/dsh-llm'
+
+const HIGH = ReasoningEffortId('high')
+const OFF = ReasoningEffortId('off')
 
 /** Keyless headless-agent adapter: one real bash call followed by a final answer. */
 class CliMockAdapter extends LlmAdapter {
+  override async resolveModel(provider: string, model: string): Promise<LlmResolvedModelInfo> {
+    return {
+      provider,
+      id: model,
+      name: model,
+      reasoning: {
+        efforts: [
+          { id: OFF, name: 'Off' },
+          { id: HIGH, name: 'High' },
+        ],
+        defaultEffort: HIGH,
+      },
+    }
+  }
+
   async * stream(options: GenerateOptions): AsyncIterable<StreamChunk> {
     const toolResult = options.messages.at(-1)?.content.find(block => block.type === 'tool-result')
     if (toolResult === undefined) {
@@ -34,4 +59,8 @@ export const inject = ['llm']
 /** Register the keyless `cli-mock` adapter. */
 export function apply(ctx: Context): void {
   ctx.llm.registerAdapter(['cli-mock'], new CliMockAdapter())
+  ctx.on('agent/request', async (_agent, _turn, step, _config, _signal, next) => {
+    const config = await next()
+    return step === 2 ? { ...config, reasoningEffort: OFF } : config
+  })
 }

examples/headless-agent/tests/fixtures/goal-domain/cordis.yml

@@ -2,6 +2,10 @@
 - id: cli-mock-llm
   name: '../cli-mock-llm.ts'
 
+# Managed child-process groups for the bash executor (spawn/kill/output plumbing).
+- id: subprocess
+  name: '@deepseek-ai/dsh-subprocess-local'
+
 - id: bash
   name: '@deepseek-ai/dsh-bash-local'
 

examples/headless-agent/tests/fixtures/telemetry-otel-driver.ts

@@ -0,0 +1,43 @@
+#!/usr/bin/env node
+/**
+ * Test driver: start a mock OTLP/HTTP collector, boot the telemetry Loader
+ * composition against it, run one turn whose prompt carries a fixture
+ * credential, then persist everything the collector captured to
+ * `./otlp-captures.json` for the e2e's inspect step.
+ */
+
+import { writeFile } from 'node:fs/promises'
+import { createServer } from 'node:http'
+import { once } from 'node:events'
+import { boot, resolveConfigPath } from '@deepseek-ai/dsh-app-boot'
+import { runOneShot } from '@deepseek-ai/dsh-cli-demo/src/cli.ts'
+
+const configPath = process.argv[2]
+if (configPath === undefined) throw new Error('telemetry-otel driver requires a config path')
+
+const captures: unknown[] = []
+const server = createServer((request, response) => {
+  const chunks: Buffer[] = []
+  request.on('data', chunk => chunks.push(chunk as Buffer))
+  request.on('end', () => {
+    captures.push(JSON.parse(Buffer.concat(chunks).toString()))
+    response.writeHead(200, { 'content-type': 'application/json' }).end('{}')
+  })
+})
+server.listen(0, '127.0.0.1')
+await once(server, 'listening')
+const address = server.address()
+if (address === null || typeof address === 'string') throw new Error('collector has no port')
+process.env.DSH_TELEMETRY_E2E_URL = `http://127.0.0.1:${address.port}/v1/logs`
+
+const ctx = await boot('telemetry-otel-e2e', resolveConfigPath(configPath, undefined))
+try {
+  // The fixture credential rides the model-visible user message; the exported
+  // copy must scrub it while the canonical log keeps the original bytes.
+  await runOneShot(ctx, { task: 'prove telemetry with key sk-e2efixture1234567890' })
+} finally {
+  await ctx.fiber.dispose()
+}
+await writeFile('./otlp-captures.json', JSON.stringify(captures))
+server.close()
+server.closeAllConnections()

examples/headless-agent/tests/fixtures/telemetry-otel.cordis.yml

@@ -0,0 +1,28 @@
+# Test-only composition: session-telemetry-otel through the real Loader/app
+# path, exporting to the mock OTLP collector the driver starts (url via env).
+# The redact-rule entry models a deployment mounting its own scrub rule on the
+# telemetry/record waterfall — the seam itself ships no rules.
+- id: cli-mock-llm
+  name: './cli-mock-llm.ts'
+
+- id: telemetry-redact-rule
+  name: './telemetry-redact-rule.ts'
+
+- id: bash
+  name: '@deepseek-ai/dsh-bash-local'
+
+- id: telemetry-otel
+  name: '@deepseek-ai/dsh-session-telemetry-otel'
+  config:
+    exporter:
+      url: !!js process.env.DSH_TELEMETRY_E2E_URL
+
+- id: cli-agent
+  name: '@deepseek-ai/dsh-cli-demo'
+  config:
+    provider: cli-mock
+    model: cli-mock
+    persona: 'Test the session-telemetry-otel plugin.'
+    persistenceRoot: './.sessions'
+    persistenceCompression: 'none'
+    workspaceContext: false

examples/headless-agent/tests/fixtures/telemetry-redact-rule.ts

@@ -0,0 +1,29 @@
+import type { Context } from 'cordis'
+
+/**
+ * Deployment-style redaction rule for the telemetry e2e: scrubs the fixture
+ * credential from body strings, exactly as a real deployment would mount its
+ * own rules on the `telemetry/record` waterfall.
+ */
+
+const SECRET = /sk-e2efixture[0-9]+/g
+const PLACEHOLDER = '[E2E-REDACTED]'
+
+function scrub(value: unknown): unknown {
+  if (typeof value === 'string') return value.replace(SECRET, PLACEHOLDER)
+  if (Array.isArray(value)) return value.map(scrub)
+  if (value !== null && typeof value === 'object') {
+    return Object.fromEntries(Object.entries(value).map(([key, entry]) => [key, scrub(entry)]))
+  }
+  return value
+}
+
+export const name = 'telemetry-redact-rule'
+
+/** Mount the fixture scrub rule onto the redact waterfall. */
+export function apply(ctx: Context): void {
+  ctx.on('telemetry/record', (_record, next) => {
+    const record = next()
+    return { ...record, body: scrub(record.body) }
+  })
+}

examples/headless-agent/tests/fixtures/time-context.cordis.yml

@@ -2,6 +2,10 @@
 - id: time-context-mock-llm
   name: './time-context-mock-llm.ts'
 
+# Managed child-process groups for the bash executor (spawn/kill/output plumbing).
+- id: subprocess
+  name: '@deepseek-ai/dsh-subprocess-local'
+
 - id: bash
   name: '@deepseek-ai/dsh-bash-local'
 

examples/headless-agent/tests/harness.ts

@@ -4,6 +4,7 @@ import type { Agent } from '@deepseek-ai/dsh-agent'
 import AgentLoop from '@deepseek-ai/dsh-agent-loop'
 import { mountAgentLoopTestDependencies } from '@deepseek-ai/dsh-agent-loop-testkit'
 import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local'
+import LocalSubprocessService from '@deepseek-ai/dsh-subprocess-local'
 import * as ToolBash from '@deepseek-ai/dsh-tool-bash'
 import * as ToolTodo from '@deepseek-ai/dsh-tool-todo'
 import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek'
@@ -59,6 +60,7 @@ export async function codingHarness(workdir: string, options: CodingHarnessOptio
   await ctx.plugin(LlmDeepSeek, options.modelContextWindow === undefined ? {} : {
     models: [{ id: 'deepseek-v4-flash', contextWindow: options.modelContextWindow }],
   })
+  await ctx.plugin(LocalSubprocessService)
   await ctx.plugin(LocalBashExecutor, { cwd: workdir, timeoutMs: 30_000 })
   await ctx.plugin(ToolBash)
   await ctx.plugin(ToolTodo)

examples/headless-agent/tests/headless.snapshot.ts

@@ -30,6 +30,7 @@ const ralphScenarioDir = join(snapshotsDir, 'ralph-loop')
 const ralphConfigPath = fileURLToPath(new URL('../ralph.cordis.snapshot.yml', import.meta.url))
 const binScript = fileURLToPath(new URL('../../../packages/examples/cli-demo/src/bin.ts', import.meta.url))
 const tsconfigPath = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url))
+const reasoningConfigPath = fileURLToPath(new URL('./fixtures/cli.cordis.yml', import.meta.url))
 const refreshing = process.env.DSH_SNAPSHOT === 'refresh'
 
 interface JsonObject {
@@ -166,6 +167,46 @@ describe('headless stream-json snapshots', () => {
     expect(normalized).toBe(await readFile(streamExpected, 'utf8'))
   }, LOADER_SMOKE_TEST_TIMEOUT_MS)
 
+  it('logs the model default and a dynamic next-step reasoning effort', async () => {
+    const result = await runLoaderSmoke({
+      label: 'reasoning effort headless stream-json snapshot',
+      tempDirPrefix: 'headless-snapshot-reasoning-effort-',
+      binScript,
+      configPath: reasoningConfigPath,
+      binArgs: ['--config', reasoningConfigPath, '--output-format', 'stream-json', 'prove dynamic reasoning effort'],
+      tsconfigPath,
+    })
+
+    expect(result.stderr).toBe('')
+    const headers = parseJsonl(result.stdout)
+      .map(record => record.event)
+      .filter((event): event is JsonObject => (
+        event !== null
+        && typeof event === 'object'
+        && !Array.isArray(event)
+        && 'type' in event
+        && event.type === 'request/header'
+      ))
+      .map((event) => {
+        const data = event.data as JsonObject
+        return (data.header as JsonObject).config
+      })
+    expect(headers).toMatchInlineSnapshot(`
+      [
+        {
+          "model": "cli-mock",
+          "provider": "cli-mock",
+          "reasoningEffort": "high",
+        },
+        {
+          "model": "cli-mock",
+          "provider": "cli-mock",
+          "reasoningEffort": "off",
+        },
+      ]
+    `)
+  }, LOADER_SMOKE_TEST_TIMEOUT_MS)
+
   it('replays the advanced toolchain through the one-shot app', async () => {
     const prompt = await scenarioPrompt(advancedScenarioDir, 'advanced-toolchain')
     const fixtureFiles = [

examples/headless-agent/tests/snapshots/advanced-toolchain/stream-json.expected.jsonl

@@ -14,52 +14,53 @@
 {"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/end","seq":13,"time":0,"data":{"turn":1,"step":1}}}
 {"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/start","seq":14,"time":0,"data":{"turn":1,"step":2}}}
 {"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":15,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":16,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-code","name":"run_code","argumentsDelta":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":17,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"advanced-code","name":"run_code","arguments":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}}}}}
+{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":16,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-code","name":"run_code","argumentsDelta":"{\"code\": \"return await tools.cordis_inspect({ what: 'dynamic' })\", \"description\": \"Run the scripted inspection program\"}"}}}}
+{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":17,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"advanced-code","name":"run_code","arguments":"{\"code\": \"return await tools.cordis_inspect({ what: 'dynamic' })\", \"description\": \"Run the scripted inspection program\"}"}}}}}
 {"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":18,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"usage","usage":{"inputTokens":3,"outputTokens":3}}}}}
 {"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":19,"time":0,"data":{"turn":1,"step":2,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/message","seq":20,"time":0,"data":{"turn":1,"step":2,"content":[{"type":"tool-call","id":"advanced-code","name":"run_code","arguments":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}],"provenance":{"provider":"deepseek","model":"deepseek-v4-flash"},"usage":{"inputTokens":3,"outputTokens":3}},"sourceEventSeqs":[15,16,17,18,19],"surfaceOp":"append"}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"tool/call","seq":21,"time":0,"data":{"turn":1,"step":2,"callId":"advanced-code","name":"run_code","arguments":"{\"code\":\"return await tools.cordis_inspect({ what: 'dynamic' })\"}"}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"tool/code-dispatch","seq":22,"time":0,"data":{"parentCallId":"advanced-code","subCallId":"advanced-code:code:1","name":"cordis_inspect","arguments":{"what":"dynamic"},"isError":false,"resultSummary":"## dynamic\n- dyn-1: snapshot-marker [active]"}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"tool/result","seq":23,"time":0,"data":{"turn":1,"step":2,"callId":"advanced-code","content":[{"type":"text","text":"## dynamic\n- dyn-1: snapshot-marker [active]"}],"isError":false},"sourceEventSeqs":[21],"surfaceOp":"append"}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/end","seq":24,"time":0,"data":{"turn":1,"step":2}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"step/start","seq":25,"time":0,"data":{"turn":1,"step":3}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":26,"time":0,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":27,"time":0,"data":{"turn":1,"step":3,"chunk":{"type":"tool-call-delta","index":0,"id":"advanced-direct-child","name":"subagent","argumentsDelta":"{\"description\":\"Check direct child\",\"prompt\":\"Reply with exactly DIRECT_CHILD_OK and nothing else.\"}"}}}}
-{"type":"session_event","sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":28,"time":0,"data":{"turn":1,"step":3,"chunk":{"type":"block-end","index":0,"block":{"type":"tool-call","id":"advanced-direct-child","name":"subagent","arguments":"{\"description\":\"Check direct child\",\"prompt\":\"Reply with exactly DIRECT_CHILD_OK and nothing else.\"}"}}}}}
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