Module handler 

Executor handler trait and related types for attempt-level execution.

This module defines the ExecutorHandler trait that implementations must fulfill to execute attempts. The handler receives an ExecutorContext containing execution identity, payload, metadata, and optional workflow extensions (submission channel and children snapshot).

Re-exports

pub use cancellation::CancellationContext;

pub use cancellation::CancellationToken;

Modules

cancellation

Cancellation mechanism for attempt execution.

Structs

AttemptMetadata

Attempt-level execution metadata derived from task constraints.

ExecutorContext

Full execution context provided to a handler for each attempt.

HandlerInput

Execution context provided to the handler for each attempt.

Enums

HandlerOutput

Outcome of an attempt execution.

Traits

ExecutorHandler

Trait for executor implementations to fulfill for attempt execution.

TaskSubmissionPort

Abstract port through which a handler can propose new child tasks.