email working - remove clients - preview polish

assets/js/preview.js

@@ -110,7 +110,7 @@
                     action: 'hssm_approve_slide',
                     nonce: hssmPreview.nonce,
                     slide_id: slideId,
-                    approve_action: 'schedule' // Smart approve: schedules if future date exists, otherwise publishes
+                    approve_action: $btn.data('approve-action') || 'schedule'
                 },
                 success: (response) => {
                     if (response.success) {