🐛 Bugfixes v1.1.1

✅ No more error notifications in foreign WiFi networks!
- Server reachability check before each sync (2s timeout)
- Silent abort when server is unreachable
- 80% faster abort: 2s instead of 10+ seconds

✅ No more errors when connecting to WiFi / arriving home!
- Pre-check waits until network is ready (DHCP, routing, gateway)
- No more errors during network initialization

🔧 Notification improvements:
- Old notifications are cleared on app start
- Error notifications disappear automatically after 30 seconds
- Better battery efficiency (no more long timeouts)

📱 UI fixes:
- Sync icon no longer shown when sync is not configured
- Swipe-to-delete: No more flickering when quickly deleting multiple notes
- After saving a note, you automatically land at the top of the list