Define a subagent

Usage

subagent(
  name,
  description,
  system_prompt,
  tools = NULL,
  model = NULL,
  skills = NULL,
  max_steps = 10,
  runner = NULL
)

name: Subagent name.
description: Description used by the supervisor.
system_prompt: Subagent system prompt.
tools: Optional tool list.
model: Optional model or chat factory. Defaults to the supervisor model.
skills: Optional skills.
max_steps: Maximum loop steps.
runner: Optional function used to execute the subagent directly. It receives task and context arguments. This is primarily for interop wrappers such as aisdk_subagent().

A subagent configuration.