fix(api): handle ZodError in processError and formatErrorMessage

Add explicit handling of ZodError in processError to return the error directly and in formatErrorMessage to use formatZodError for better error reporting

src/renderer/src/api/agent.ts

@@ -16,6 +16,7 @@ import {
   UpdateAgentResponseSchema
 } from '@types'
 import { Axios, AxiosRequestConfig, isAxiosError } from 'axios'
+import { ZodError } from 'zod'
 
 type ApiVersion = 'v1'
 
@@ -29,6 +30,8 @@ const processError = (error: unknown, fallbackMessage: string) => {
     if (result.success) {
       return new Error(formatAgentServerError(result.data), { cause: error })
     }
+  } else if (error instanceof ZodError) {
+    return error
   }
   return new Error(fallbackMessage, { cause: error })
 }

src/renderer/src/utils/error.ts

@@ -9,7 +9,7 @@ import {
 } from '@renderer/types/error'
 import { InvalidToolInputError, NoSuchToolError } from 'ai'
 import { t } from 'i18next'
-import { z } from 'zod'
+import { z, ZodError } from 'zod'
 
 import { parseJSON } from './json'
 import { safeSerialize } from './serialize'
@@ -44,6 +44,9 @@ export function getErrorDetails(err: any, seen = new WeakSet()): any {
 }
 
 export function formatErrorMessage(error: unknown): string {
+  if (error instanceof ZodError) {
+    return formatZodError(error)
+  }
   const detailedError = getErrorDetails(error)
   delete detailedError?.headers
   delete detailedError?.stack