SubagentPick

type SubagentPick = 
  | string
  | {
  input?: unknown;
  name: string;
};

Defined in: packages/ai/src/activities/chat/agents/spawn.ts:69

One agent in a router pick: its name, or its name and its input. An agent with inputSchema needs { name, input }, and no other agent takes an input. chat() checks both when the turn starts. The type does not. The input is checked against the schema, and run reads it as ctx.input.