1. Install the Capacitor push notifications plugin: `bun add @capacitor/push-notifications; bunx cap sync`.
2. Configure Firebase for both Android and iOS platforms, including downloading and placing the `google-services.json` and `GoogleService-Info.plist` files.
3. Set up APNs key in the Apple Developer account and upload it to Firebase.
4. Implement the necessary code to request permissions, register for push notifications, and handle incoming notifications.
5. Implement notification channels for Android and rich notifications for iOS.
6. Test push notifications on both Android and iOS devices using Firebase Console or a custom backend.
7. Implement error handling and token refresh mechanisms.
SynapticSkills