Enhance keyword generation logic to exclude current keywords (#29939)

GitOrigin-RevId: 04b67ac24c0d538869ecfde3a0ef9850d142ac5f

services/web/frontend/js/i18n-resources/writefull.ts

@@ -6,6 +6,7 @@ const en = {
     disable: 'Disable',
     replace: 'Replace',
     insert: 'Insert',
+    add: 'Add',
     generate: 'Generate',
     generating: 'Generating',
     regenerate: 'Regenerate',
@@ -397,6 +398,7 @@ const es = {
     or: 'o',
     close: 'Cerrar',
     submit: 'Enviar',
+    add: 'Añadir',
     'add-unlimited-ai': 'Añadir IA ilimitada',
     'accept-and-continue': 'Aceptar y continuar',
     'copy-code': 'Copiar código',