improvement(emcn): fall back to generic reason for invalid email chips

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/settings/components/credential-sets/credential-sets.tsx

@@ -136,7 +136,11 @@ export function CredentialSets() {
 
       setEmailItems((prev) => [
         ...prev,
-        { value: normalized, isValid, error: isValid ? undefined : validation.reason },
+        {
+          value: normalized,
+          isValid,
+          error: isValid ? undefined : (validation.reason ?? 'Invalid email format'),
+        },
       ])
 
       if (isValid) {

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/deploy/components/deploy-modal/components/chat/chat.tsx

@@ -657,7 +657,7 @@ function AuthSelector({
     } else {
       setInvalidEmailItems((prev) => [
         ...prev,
-        { value: normalized, isValid, error: validation.reason },
+        { value: normalized, isValid, error: validation.reason ?? 'Invalid email format' },
       ])
     }