Module types 

Structs

JobResult

Result returned by a job handler after execution.

QueueJob

A generic queue job carrying a custom data payload.

QueueJobDetails

Queryable runtime details for a specific job.

QueueStats

Aggregate count of jobs by status.

Enums

FailureClass

Classification of a job failure, used for retry strategy.

QueueJobStatus

Job status lifecycle: Pending -> Processing -> Completed/Failed/Cancelled

QueuePriority

Priority levels for queue jobs.