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AgentStreamEvent

Enum AgentStreamEvent 

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pub enum AgentStreamEvent {
    TextDelta {
        text: String,
    },
    ThinkingDelta {
        thinking: String,
        redacted: Option<String>,
    },
    ToolResult {
        call_id: String,
        tool_name: String,
        content: String,
        is_error: bool,
    },
    Usage(TokenUsage),
    ResponseComplete,
}
Expand description

Agent 层流式事件 — 语义中间层。

桥接 Provider 协议事件与 Graph 数据面事件。 封闭、强类型、exhaustive match。

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TextDelta

文本增量

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§text: String
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ThinkingDelta

思考增量(thinking + 可选的 redacted)

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§thinking: String
§redacted: Option<String>
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ToolResult

工具调用结果(由 ToolNode 产生,不来自 Provider)

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§call_id: String
§tool_name: String
§content: String
§is_error: bool
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Usage(TokenUsage)

Token 使用统计

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ResponseComplete

单次 LLM 响应完成

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impl AgentStreamEvent

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pub fn to_chunk(&self) -> Option<StreamChunk>

转换为 Graph 数据面事件。

并非所有 AgentStreamEvent 都有对应的 StreamChunk:

  • TextDelta → TextDelta
  • ThinkingDelta → ThinkingDelta
  • Usage / ResponseComplete → None(控制面信息,不发射到数据面)
  • ToolResult → None(由 ToolNode 转换为 ToolLifecycle / ToolOutput)

Trait Implementations§

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impl Clone for AgentStreamEvent

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fn clone(&self) -> AgentStreamEvent

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for AgentStreamEvent

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

Formats the value using the given formatter. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Sized + Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

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fn clone_into(&self, target: &mut T)

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impl<T, U> TryFrom<U> for T
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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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