Enum ToolPhase 

pub enum ToolPhase {
    Queued,
    Started,
    Finished,
}

工具执行生命周期阶段。

与 LangGraph (on_tool_start/on_tool_end)、 OpenAI Agents SDK (tool_call_started/tool_call_finished)、 Claude Desktop (tool_use/tool_result) 一致。

Variants

Queued

工具已加入执行队列（尚未开始）

Started

工具开始执行

Finished

工具执行完成（成功或失败）

Trait Implementations

impl Clone for ToolPhase

fn clone(&self) -> ToolPhase

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ToolPhase

impl Debug for ToolPhase

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

Formats the value using the given formatter.

impl Eq for ToolPhase

impl PartialEq for ToolPhase

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for ToolPhase