fix(tools): address review feedback for presend email verify

Author: Zoymusk

apps/sim/tools/generated/tool-ids.ts

@@ -37,14 +37,14 @@ export const emailVerifyTool: ToolConfig<PresendEmailVerifyParams, PresendEmailV
       success: true,
       output: {
         email: data?.email ?? '',
-        valid: data?.valid ?? false,
+        valid: data?.valid ?? null,
         syntaxValid: data?.syntax_valid ?? false,
         domain: data?.domain ?? '',
-        mxFound: data?.has_mx ?? false,
+        mxFound: data?.has_mx ?? null,
         mxCount: data?.mx_count ?? 0,
         disposable: data?.disposable ?? false,
         roleAccount: data?.role_account ?? false,
-        reason: data?.reason ?? '',
+        reason: data?.reason ?? null,
       },
     }
   },
@@ -56,7 +56,9 @@ export const emailVerifyTool: ToolConfig<PresendEmailVerifyParams, PresendEmailV
     },
     valid: {
       type: 'boolean',
-      description: 'Whether the email address is valid overall',
+      description:
+        'Whether the email address is valid overall. Null if it could not be checked (e.g. MX lookup failed); retry later',
+      nullable: true,
     },
     syntaxValid: {
       type: 'boolean',
@@ -68,7 +70,9 @@ export const emailVerifyTool: ToolConfig<PresendEmailVerifyParams, PresendEmailV
     },
     mxFound: {
       type: 'boolean',
-      description: "Whether the domain's MX records were found",
+      description:
+        "Whether the domain's MX records were found. Null if the MX lookup itself failed",
+      nullable: true,
     },
     mxCount: {
       type: 'number',
@@ -84,7 +88,9 @@ export const emailVerifyTool: ToolConfig<PresendEmailVerifyParams, PresendEmailV
     },
     reason: {
       type: 'string',
-      description: 'Explanation when the address is invalid, otherwise null',
+      description:
+        'Why the address is not valid: invalid_syntax, no_mx_record, disposable_domain, or mx_lookup_failed. Null when the address is valid',
+      nullable: true,
     },
   },
 }

apps/sim/tools/generated/tool-metadata.ts

@@ -1,21 +1,24 @@
-// Common types for Presend tools
 import type { ToolResponse } from '@/tools/types'
 
-// Email Verify tool types
+/** Parameters for the Presend email verify tool. */
 export interface PresendEmailVerifyParams {
   email: string
 }
 
+/** Response from the Presend email verify tool. */
 export interface PresendEmailVerifyResponse extends ToolResponse {
   output: {
     email: string
-    valid: boolean
+    /** `null` when the address could not be checked (e.g. MX lookup failed); retry later. */
+    valid: boolean | null
     syntaxValid: boolean
     domain: string
-    mxFound: boolean
+    /** `null` when the MX lookup itself failed. */
+    mxFound: boolean | null
     mxCount: number
     disposable: boolean
     roleAccount: boolean
-    reason: string
+    /** One of `invalid_syntax`, `no_mx_record`, `disposable_domain`, `mx_lookup_failed`, or `null` when valid. */
+    reason: string | null
   }
 }