Work items are queued when sessions are created or when long-dormant sessions receive new messages. The environment worker polls for work to execute in a self-hosted sandbox.

beta_self_hosted_work_heartbeat_response: object{ type: "work_heartbeat", last_heartbeat, lease_extended, 2 more }

Response after recording a heartbeat for a work item.

type: "work_heartbeat"

The type of response

last_heartbeat: string

RFC 3339 timestamp of the actual heartbeat from DB

lease_extended: boolean

Whether the heartbeat succeeded in extending the lease

state: "queued" or "starting" or "active" or 2 more

Current state of the work item (active/stopping/stopped)

One of the following:

"queued"

"starting"

"active"

"stopping"

"stopped"

ttl_seconds: number

Effective TTL applied to the lease

beta_self_hosted_work_list_response: object{ data, next_page }

Response when listing work items with cursor-based pagination.

beta_self_hosted_work_queue_stats: object{ type: "work_queue_stats", depth, oldest_queued_at, 2 more }

Statistics about the work queue for an environment.

Uses Redis Stream consumer group metrics for O(1) queries.

type: "work_queue_stats"

The type of object

depth: number

Number of work items waiting to be picked up (lag from consumer group)

oldest_queued_at: string

RFC 3339 timestamp of oldest item in the work stream (includes both queued and pending items), null if stream empty

pending: number

Number of work items being processed (polled but not acknowledged)

workers_polling: number

Number of workers that have polled for work in the last 30 seconds. Requires worker_id to be sent with poll requests.

beta_self_hosted_work_stop_request: object{ force }

Request to stop a work item.

force: optional boolean

If true, immediately stop work without graceful shutdown

beta_self_hosted_work_update_request: object{ metadata }

Request to update work item metadata.

metadata: map[string]

Metadata patch. Set a key to a string to upsert it, or to null to delete it. Omit the field to preserve existing metadata.

beta_session_work_data: object{ type: "session", id }

Work data for session work items.

This resource type is used when work represents a session that needs to be executed in a self-hosted environment.

type: "session"

Type of work data

id: string

Session identifier (e.g., 'session_...')