type: user/message

type: text

text: Use the bash tool to run exactly: echo HELLO. Report the tool result you got back verbatim, then stop.

kind: user

surfaceOp: append


type: request/header

[System]
You are an AI agent powered by the DeepSeek Harness SDK.

You are a coding assistant powered by the deepseek-v4-flash model. Your working
directory is /tmp/acp-snap-cwd-S4Pl3Q.

Verify your work by running the code or tests. Keep answers brief and
factual.

Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.

Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes.

Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session.

Check the [exit code: N] marker on every bash result; investigate failures before moving on.

subagent

description: Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.

type: object

type: string

description: A short (3-5 word) description of the delegated task, for display.

description: The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs.

required: description prompt

description: Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.

description: The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new.

description: Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).

type: array

description: The COMPLETE task list, replacing any previous list.

description: What the task is — a short imperative line.

description: pending (not started) | in_progress (now) | completed (done).

enum: pending in_progress completed

required: content status

read

description: Read a UTF-8 text file and return line-numbered content.

description: Path to read, resolved by the filesystem backend.

type: number

description: 1-based first line to return. Defaults to 1.

description: Maximum number of lines to return. Defaults to 2000.

write

description: Create or fully replace a UTF-8 text file.

description: Path to write, resolved by the filesystem backend.

description: Full UTF-8 text content to write.

edit

description: Edit an existing UTF-8 text file by replacing literal text.

description: Path to edit, resolved by the filesystem backend.

description: Literal text to replace. Must match exactly.

description: Literal replacement text. Use an empty string to delete the match.

type: boolean

description: Replace all matches. Defaults to false; when false, old_string must appear exactly once.

bash

description: Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.

description: The bash command to execute.

description: Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: "ls" → "List files in current directory"; "git status" → "Show working tree status"; "npm install" → "Install package dependencies".

description: Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry.

description: Working directory for this command. Defaults to the session workspace; a relative path is resolved against it.

description: Run in the background and return a task id immediately. No timeout applies.

required: command description

description: Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.

description: Task id returned by the bash tool.

description: Ask the executor to kill a running background bash task by task id.

description: Task id returned by the bash tool.

reason: initial


type: assistant/chunk

type: reasoning-delta

text: The


text: user


text: wants


text: me


text: to


text: run


text: a


text: specific


text: bash


text: command


text: and


text: report


text: the


text: result


text: verb


text: atim


type: tool-call-delta

argumentsDelta: description


type: block-end

type: reasoning

text: The user wants me to run a specific bash command and report the result verbatim.


type: tool-call

command: echo HELLO

description: Run echo HELLO as requested


type: assistant/message

description: Run echo HELLO as requested


type: tool/call

description: Run echo HELLO as requested


type: tool/result

text: HELLO


type: context/message

text: Note: command output has been verified against the audit log.

kind: plugin

plugin: hooks-codex


text: The


text: user


text: asked


text: me


text: to


text: run


text: echo


text: HE


text: LL


text: O


text: and


text: report


text: the


text: result


text: verb


text: atim


text: output


text: was


text: Let


text: that


text: back


type: text-delta

text: The


text: tool


text: result


text: was


text: HE


text: LL


text: O


text:
The user asked me to run `echo HELLO` and report the result verbatim. The output was:

```
HELLO
```

Let me report that back.


type: text

text:
The tool result was:

```
HELLO
```


text:
The tool result was:

```
HELLO
```