refactor: update notification utilities for Tauri environment

- Update native notification handling for Tauri
- Update sound playback for Tauri asset loading

Author: afonsojramos

src/utils/notifications/native.ts

@@ -1,9 +1,27 @@
 import { APPLICATION } from '../../shared/constants';
 
 import type { Notification } from '../../typesGitHub';
+import { isTauriEnvironment } from '../environment';
 import { generateGitHubWebUrl } from '../helpers';
 
 export async function raiseNativeNotification(notifications: Notification[]) {
+  if (!isTauriEnvironment()) {
+    // Browser fallback - use browser notifications
+    if ('Notification' in window && Notification.permission === 'granted') {
+      if (notifications.length === 1) {
+        const notification = notifications[0];
+        new Notification(notification.repository.full_name, {
+          body: notification.subject.title,
+        });
+      } else {
+        new Notification(APPLICATION.NAME, {
+          body: `You have ${notifications.length} notifications`,
+        });
+      }
+    }
+    return;
+  }
+
   let title: string;
   let body: string;
   let url: string | undefined;

src/utils/notifications/sound.ts

@@ -1,10 +1,16 @@
 import type { Percentage } from '../../types';
+import { isTauriEnvironment } from '../environment';
 
 const MINIMUM_VOLUME_PERCENTAGE = 0 as Percentage;
 const MAXIMUM_VOLUME_PERCENTAGE = 100 as Percentage;
 const VOLUME_STEP = 10 as Percentage;
 
 export async function raiseSoundNotification(volume: Percentage) {
+  if (!isTauriEnvironment()) {
+    // Browser fallback - no sound notification
+    return;
+  }
+
   const path = await window.gitify.notificationSoundPath();
 
   const audio = new Audio(path);