Enum AgentEvent 

pub enum AgentEvent {
    AgentStart {
        session_id: Arc<str>,
    },
    AgentEnd {
        session_id: Arc<str>,
        messages: Vec<Message>,
        error: Option<String>,
    },
    TurnStart {
        session_id: Arc<str>,
        turn_index: usize,
        timestamp: i64,
    },
    TurnEnd {
        session_id: Arc<str>,
        turn_index: usize,
        message: Message,
        tool_results: Vec<Message>,
    },
    MessageStart {
        message: Message,
    },
    MessageUpdate {
        message: Message,
        assistant_message_event: AssistantMessageEvent,
    },
    MessageEnd {
        message: Message,
    },
    ToolExecutionStart {
        tool_call_id: String,
        tool_name: String,
        args: Value,
    },
    ToolExecutionUpdate {
        tool_call_id: String,
        tool_name: String,
        args: Value,
        partial_result: ToolOutput,
    },
    ToolExecutionEnd {
        tool_call_id: String,
        tool_name: String,
        result: ToolOutput,
        is_error: bool,
    },
    AutoCompactionStart {
        reason: String,
    },
    AutoCompactionEnd {
        result: Option<Value>,
        aborted: bool,
        will_retry: bool,
        error_message: Option<String>,
    },
    AutoRetryStart {
        attempt: u32,
        max_attempts: u32,
        delay_ms: u64,
        error_message: String,
    },
    AutoRetryEnd {
        success: bool,
        attempt: u32,
        final_error: Option<String>,
    },
    ExtensionError {
        extension_id: Option<String>,
        event: String,
        error: String,
    },
}

Events emitted by the agent during execution.

Variants

AgentStart

Agent lifecycle start.

Fields

session_id: Arc<str>

AgentEnd

Agent lifecycle end with all new messages.

Fields

session_id: Arc<str>

messages: Vec<Message>

error: Option<String>

TurnStart

Turn lifecycle start (assistant response + tool calls).

Fields

session_id: Arc<str>

turn_index: usize

timestamp: i64

TurnEnd

Turn lifecycle end with tool results.

Fields

session_id: Arc<str>

turn_index: usize

message: Message

tool_results: Vec<Message>

MessageStart

Message lifecycle start (user, assistant, or tool result).

Fields

message: Message

MessageUpdate

Message update (assistant streaming).

Fields

message: Message

assistant_message_event: AssistantMessageEvent

MessageEnd

Message lifecycle end.

Fields

message: Message

ToolExecutionStart

Tool execution start.

Fields

tool_call_id: String

tool_name: String

args: Value

ToolExecutionUpdate

Tool execution update.

Fields

tool_call_id: String

tool_name: String

args: Value

partial_result: ToolOutput

ToolExecutionEnd

Tool execution end.

Fields

tool_call_id: String

tool_name: String

result: ToolOutput

is_error: bool

AutoCompactionStart

Auto-compaction lifecycle start.

Fields

reason: String

AutoCompactionEnd

Auto-compaction lifecycle end.

Fields

result: Option<Value>

aborted: bool

will_retry: bool

error_message: Option<String>

AutoRetryStart

Auto-retry lifecycle start.

Fields

attempt: u32

max_attempts: u32

delay_ms: u64

error_message: String

AutoRetryEnd

Auto-retry lifecycle end.

Fields

success: bool

attempt: u32

final_error: Option<String>

ExtensionError

Extension error during event dispatch or execution.

Fields

extension_id: Option<String>

event: String

error: String

Trait Implementations

impl Clone for AgentEvent

fn clone(&self) -> AgentEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AgentEvent

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

Formats the value using the given formatter.

impl Serialize for AgentEvent

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.