Type Alias: ChatMiddlewarePhase#

type ChatMiddlewarePhase = "init" | "beforeModel" | "modelStream" | "beforeTools" | "afterTools";

type ChatMiddlewarePhase = "init" | "beforeModel" | "modelStream" | "beforeTools" | "afterTools";

Defined in: packages/typescript/ai/src/activities/chat/middleware/types.ts:15

Phase of the chat middleware lifecycle.

• 'init': Initial config transform before the chat engine starts
• 'beforeModel': Before each adapter chatStream call (per agent iteration)
• 'modelStream': During model streaming
• 'beforeTools': Before tool execution phase
• 'afterTools': After tool execution phase