debug: add logging for encrypted notification content

Add debug logging to diagnose server-decrypted push notification handling:
- Log push notification content structure in service worker
- Log preview text resolution decisions and content keys
- Helps identify if matrix_synapse_push_include_content is working correctly

Author: Evie Gauthier

src/app/utils/notificationStyle.ts

@@ -65,6 +65,17 @@ export const resolveNotificationPreviewText = ({
 
   const encryptedContext = isEncryptedRoom || eventType === 'm.room.encrypted';
 
+  console.debug('[NotifPreview]', {
+    eventType,
+    isEncryptedRoom,
+    hasBody: body !== undefined,
+    bodyPreview: body?.substring(0, 20),
+    encryptedContext,
+    showMessageContent,
+    showEncryptedMessageContent,
+    contentKeys: content && typeof content === 'object' ? Object.keys(content) : [],
+  });
+
   if (!showMessageContent) {
     return encryptedContext ? ENCRYPTED_MESSAGE_PREVIEW : DEFAULT_MESSAGE_PREVIEW;
   }

src/sw/pushNotification.ts

@@ -116,6 +116,12 @@ export const createPushNotifications = (
       timestamp: Date.now(),
       ...pushData.data,
     };
+    console.debug(
+      '[SW Encrypted Notif] content:',
+      JSON.stringify(pushData?.content, null, 2),
+      '| type:',
+      pushData?.type
+    );
     const notificationPayload = buildRoomMessageNotification({
       roomName: pushData?.room_name,
       username: pushData?.sender_display_name,