Module spawn 

Sub-session spawn scheduler.

Provides a background queue for spawning child sessions. Spawn is async (tool returns immediately), but the UI can observe child progress via events forwarded to the parent session stream.

Structs

ChildLaunchGuard

SessionInboxRuntimeBinding

Runtime-scoped durable inbox resources used by external actor drivers.

SpawnContext

SpawnJob

SpawnScheduler

Traits

ChildRunLaunchHook

Optional application-layer preparation for a child run launched through the canonical scheduler.

ExternalChildRunner

Trait for external child session runtimes (e.g. A2A, CLI adapters).