sessionId: {{sessionId}}

type: user/message

type: text

text: Use the subagent tool exactly once with description 'echo probe' and prompt: Reply with exactly: child answer 42. Then reply with the subagent's final answer verbatim.

kind: user

role: user

surfaceOp: append


type: session/title

title: Use the subagent tool exactly

kind: fallback


type: request/header

provider: deepseek-official

[System] {{system}}

tools: {{tools}}

reason: initial


type: request/context


type: assistant/chunk

type: block-start

blockType: reasoning


type: reasoning-delta

text: The


text: user


text: wants


text: me


text: to


text: Use


text: the


text: sub


text: agent


text: tool


text: exactly


text: once


text: with


text: description


text: echo


text: probe


text: and


text: prompt


text: Reply


text: child


text: answer


text: Then


text: reply


text: the


text: sub


text: agent


text: 's


text: final


text: verb


text: atim


text: Let


text: me


text: do


text: this


text: step


text: by


blockType: tool-call


subagent

type: tool-call-delta


argumentsDelta: description


argumentsDelta: echo


argumentsDelta: probe


argumentsDelta: prom


argumentsDelta: pt


argumentsDelta: Reply


argumentsDelta: with


argumentsDelta: exactly


argumentsDelta: child


argumentsDelta: answer


type: block-end

type: reasoning

text:
The user wants me to:
1. Use the subagent tool exactly once with description 'echo probe' and prompt 'Reply with exactly: child answer 42.'
2. Then reply with the subagent's final answer verbatim.

Let me do this step by step.


type: tool-call

description: echo probe

prompt: Reply with exactly: child answer 42.


type: finish

kind: tool-calls


type: assistant/message

role: assistant

description: echo probe

prompt: Reply with exactly: child answer 42.

kind: model


type: tool/call

description: echo probe

prompt: Reply with exactly: child answer 42.


text: Reply with exactly: child answer 42.


title: Reply with exactly: child answer


[System] {{system}}


text: The


text: user


text: wants


text: me


text: to


text: reply


text: with


text: exactly


text: child


text: answer


blockType: text


type: text-delta

text: child


text: answer


text: The user wants me to reply with exactly "child answer 42."


text: child answer 42.


text: child answer 42.


provider: spawn

agentId: {{sessionId}}

parentSessionId: {{sessionId}}

childSessionId: {{sessionId}}

status: ok

stopReason: completed

text: child answer 42.


type: tool/result

kind: tool

type: tool-result

text: child answer 42.


text: The


text: sub


text: agent


text: replied


text: Now


text: I


text: need


text: to


text: reply


text: with


text: the


text: 's


text: final


text: answer


text: verb


text: atim


text: child


text: answer


text: The subagent replied with "child answer 42." Now I need to reply with the subagent's final answer verbatim.


type: text

text: child answer 42.


text: child answer 42.