import { z } from "zod"; export const agentSessionIdSchema = z.string().min(1); export const agentConfigSchema = z.object({  command: z.string().min(1),  args: z.array(z.string()).default([]),  cwd: z.string().optional(),  env: z.record(z.string()).optional(),  usePty: z.boolean().optional(),}); export const outputChunkSchema = z.object({  sessionId: z.string(),  stream: z.enum(["stdout", "stderr"]),  data: z.string(),}); export const agentExitSchema = z.object({  sessionId: z.string(),  code: z.number().nullable(),  signal: z.string().nullable(),}); export type AgentConfig = z.infer<typeof agentConfigSchema>;export type OutputChunk = z.infer<typeof outputChunkSchema>;export type AgentExit = z.infer<typeof agentExitSchema>;