Enum StepKind 

#[non_exhaustive]
pub enum StepKind {
    Message,
    ListDirectory,
    FindFile,
    SearchDirectory,
    ViewFile,
    CreateFile,
    EditFile,
    RunCommand,
    Compaction,
    InvokeSubagent,
    GenerateImage,
    SearchWeb,
    ReadUrlContent,
    McpTool,
    CustomTool,
    Finish,
    Error,
    ToolConfirmationRequest,
    QuestionsRequest,
}

Available on crate feature async-client only.

What a step was doing.

Derived from whichever action member the harness populated. Steps that carry only prose land on StepKind::Message.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Message

Prose for the user, or the echo of their own input.

ListDirectory

A directory listing.

FindFile

A filename search.

SearchDirectory

A content search across a directory.

ViewFile

A file read.

CreateFile

A file creation.

EditFile

A file edit, with the diff attached.

RunCommand

A shell command, with its exit code and combined output.

Compaction

The harness compacting its own context.

InvokeSubagent

Delegation to a subagent, which runs on its own trajectory.

GenerateImage

Image generation.

SearchWeb

A web search.

ReadUrlContent

A URL fetch.

McpTool

A tool call routed to an MCP server.

CustomTool

A tool the client is expected to run.

Finish

The agent’s closing summary.

Error

A failure the harness is reporting in-band.

ToolConfirmationRequest

The harness is waiting for the user to confirm a tool.

QuestionsRequest

The harness is asking the user a question.

Trait Implementations

impl Clone for StepKind

fn clone(&self) -> StepKind

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for StepKind

impl Debug for StepKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for StepKind

impl Hash for StepKind

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for StepKind

fn eq(&self, other: &StepKind) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for StepKind