Run a child as if it's the foreground process. Give it stdio. Exit when it exits.

Adds a static `extend` method to a class, to simplify inheritance. Extends the static properties, prototype properties, and descriptors from a `Parent` constructor onto `Child` constructors.

hast utility for `querySelector`, `querySelectorAll`, and `matches`

A query library for ECMAScript AST using a CSS selector like query language.

unist utility to select nodes with CSS-like selectors

Core logic for the cascade-select widget implemented as a state machine

Child-scoped report tool over ctx.subagents continuations

In-process spawn subagent backend: runs a fresh child agent on ctx.agents

Traverse JSON Schema passing each schema object to callback

Selectors decision tree - choose matching selectors, fast

Put a bunch of emitted events in an array, for testing.

Keep iframes sized to their content.

Globally named send_message, interrupt_agent, and list_agents tools over ctx.subagents continuations

Abstract subagent seam (ctx.subagents): named-provider registry for delegating to child agents

Shared in-process subagent run driver: drives a child agent on ctx.agents (used by the spawn and fork backends)

Extract the non-magic parent path from a glob string.

A tool for respawning node binaries when special flags are present.

Get all children of a pid

Get the path of the parent module

Configuration file loader for @rushstack/heft