Enum WorkflowEvent 

pub enum WorkflowEvent {
    WorkflowStarted {
        workflow_id: String,
        workflow_type: WorkflowType,
        timestamp: DateTime<Utc>,
    },
    WorkflowCompleted {
        workflow_id: String,
        status: StreamingStatus,
        duration_ms: u64,
        timestamp: DateTime<Utc>,
    },
    WorkflowFailed {
        workflow_id: String,
        error: String,
        timestamp: DateTime<Utc>,
    },
    NodeStarted {
        node_id: String,
        node_type: StreamingNodeType,
        timestamp: DateTime<Utc>,
    },
    NodeCompleted {
        node_id: String,
        duration_ms: u64,
        state_changes: Vec<String>,
        timestamp: DateTime<Utc>,
    },
    NodeFailed {
        node_id: String,
        error: String,
        timestamp: DateTime<Utc>,
    },
    TokenDelta {
        token: String,
        node_id: Option<String>,
        agent_id: Option<String>,
    },
    ReasoningDelta {
        token: String,
        node_id: Option<String>,
    },
    ToolCallStarted {
        tool_id: String,
        tool_name: String,
        node_id: Option<String>,
    },
    ToolCallDelta {
        tool_id: String,
        arguments_delta: String,
    },
    ToolCallCompleted {
        tool_id: String,
        result: Option<String>,
    },
    AgentHandoff {
        from_agent: String,
        to_agent: String,
        reason: String,
        timestamp: DateTime<Utc>,
    },
    AgentReturn {
        from_agent: String,
        to_agent: String,
        timestamp: DateTime<Utc>,
    },
    MessageAdded {
        role: String,
        agent_id: Option<String>,
        content_preview: String,
        timestamp: DateTime<Utc>,
    },
    CheckpointCreated {
        checkpoint_id: String,
        node_id: String,
        timestamp: DateTime<Utc>,
    },
    StateUpdated {
        keys_changed: Vec<String>,
        node_id: Option<String>,
    },
    Progress {
        current_step: usize,
        total_steps: Option<usize>,
        message: String,
    },
    Custom {
        event_type: String,
        data: Value,
    },
}

Unified workflow event for streaming

Variants

WorkflowStarted

Workflow execution started

Fields

workflow_id: String

workflow_type: WorkflowType

timestamp: DateTime<Utc>

WorkflowCompleted

Workflow execution completed

Fields

workflow_id: String

status: StreamingStatus

duration_ms: u64

timestamp: DateTime<Utc>

WorkflowFailed

Workflow execution failed

Fields

workflow_id: String

error: String

timestamp: DateTime<Utc>

NodeStarted

Node execution started

Fields

node_id: String

node_type: StreamingNodeType

timestamp: DateTime<Utc>

NodeCompleted

Node execution completed

Fields

node_id: String

duration_ms: u64

state_changes: Vec<String>

timestamp: DateTime<Utc>

NodeFailed

Node execution failed

Fields

node_id: String

error: String

timestamp: DateTime<Utc>

TokenDelta

Token generated by LLM

Fields

token: String

node_id: Option<String>

agent_id: Option<String>

ReasoningDelta

Reasoning/thinking token (for models that expose this)

Fields

token: String

node_id: Option<String>

ToolCallStarted

Tool call started

Fields

tool_id: String

tool_name: String

node_id: Option<String>

ToolCallDelta

Tool call arguments streaming

Fields

tool_id: String

arguments_delta: String

ToolCallCompleted

Tool call completed

Fields

tool_id: String

result: Option<String>

AgentHandoff

Agent handoff occurred

Fields

from_agent: String

to_agent: String

reason: String

timestamp: DateTime<Utc>

AgentReturn

Agent returned to caller

Fields

from_agent: String

to_agent: String

timestamp: DateTime<Utc>

MessageAdded

Message added to conversation

Fields

role: String

agent_id: Option<String>

content_preview: String

timestamp: DateTime<Utc>

CheckpointCreated

State checkpoint created

Fields

checkpoint_id: String

node_id: String

timestamp: DateTime<Utc>

StateUpdated

State was modified

Fields

keys_changed: Vec<String>

node_id: Option<String>

Progress

Progress update

Fields

current_step: usize

total_steps: Option<usize>

message: String

Custom

Custom event for extensibility

Fields

event_type: String

data: Value

Trait Implementations

impl Clone for WorkflowEvent

fn clone(&self) -> WorkflowEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WorkflowEvent

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for WorkflowEvent

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for WorkflowEvent

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

where __S: Serializer,

Serialize this value into the given Serde serializer.