chore: add debug logging for push notifications

public/push-sw.js

@@ -1,8 +1,13 @@
 self.addEventListener('push', function (event) {
-    if (!event.data) return;
+    console.log('[SW] Push Received', event);
+    if (!event.data) {
+        console.log('[SW] No data provided in push event');
+        return;
+    }
 
     try {
         const data = event.data.json();
+        console.log('[SW] Push Data:', data);
         const title = data.title || 'Cat Sitting Planner';
         const options = {
             body: data.body || '',
@@ -15,6 +20,8 @@ self.addEventListener('push', function (event) {
 
         event.waitUntil(
             self.registration.showNotification(title, options)
+                .then(() => console.log('[SW] Notification shown'))
+                .catch(e => console.error('[SW] Error showing notification:', e))
         );
     } catch (err) {
         console.error('Error processing push event:', err);