[skip ci] feat: new app icon with monochrome support & updated descriptions

🎨 New App Icon:
- Fresh adaptive icon design with warm background (#f9e9c8)
- Monochrome icon support for Android 13+ themed icons
- PNG format replacing WebP for better compatibility
- All densities: mdpi, hdpi, xhdpi, xxhdpi, xxxhdpi

📝 Updated Descriptions (EN/DE):
- Added Multi-Device Sync feature
- Added Markdown export for Obsidian/desktop editors
- Added deletion tracking (zombie notes prevention)
- Added E-Tag caching (20x faster checks)
- Added optimized performance (~2-3s sync time)
- Added live sync status indicator
- Added Server-Restore modes (Merge/Replace/Overwrite)

📦 F-Droid Metadata:
- Updated build entries for v1.2.1, v1.2.2, v1.3.0, v1.3.1
- CurrentVersion now 1.3.1 (versionCode 9)
- Prepared for F-Droid merge request submission

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@mipmap/ic_launcher_background"/>
+  <background android:drawable="@color/ic_launcher_background"/>
   <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
 </adaptive-icon>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -1,5 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@mipmap/ic_launcher_background"/>
+  <background android:drawable="@color/ic_launcher_background"/>
   <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
 </adaptive-icon>

android/app/src/main/res/values/colors.xml

@@ -4,6 +4,9 @@
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
     
+    <!-- Adaptive Icon Background -->
+    <color name="ic_launcher_background">#f9e9c8</color>
+    
     <!-- Material 3 Light Theme Colors -->
     <color name="md_theme_light_primary">#6750A4</color>
     <color name="md_theme_light_onPrimary">#FFFFFF</color>

fastlane/metadata/android/de-DE/full_description.txt

@@ -4,12 +4,14 @@ HAUPTFUNKTIONEN:
 
 • Einfache Notizen erstellen und bearbeiten
 • WebDAV-Synchronisation mit eigenem Server
+• Multi-Device Sync (Handy, Tablet, Desktop)
+• Markdown-Export für Obsidian/Desktop-Editoren
 • Automatische Synchronisation im Heim-WLAN
 • Konfigurierbares Sync-Interval (15/30/60 Minuten)
 • Transparente Batterie-Verbrauchsanzeige
 • Material Design 3 mit Dynamic Colors (Android 12+)
-• Swipe-to-Delete mit Bestätigungsdialog
+• Swipe-to-Delete mit Server-Sync
-• Server-Backup & Wiederherstellung
+• Server-Backup & Wiederherstellung (Merge/Replace/Overwrite)
 • Komplett offline nutzbar
 • Keine Werbung, keine Tracker
 
@@ -17,14 +19,23 @@ DATENSCHUTZ:
 
 Deine Daten bleiben bei dir! Die App kommuniziert nur mit deinem eigenen WebDAV-Server. Keine Cloud-Dienste, keine Tracking-Bibliotheken, keine Analysetools.
 
+MULTI-DEVICE SYNC:
+
+• Notizen synchronisieren automatisch zwischen allen Geräten
+• Lösch-Tracking verhindert "Zombie-Notizen"
+• Intelligente Konfliktlösung durch Timestamps
+• Markdown-Dateien für Desktop-Bearbeitung (Obsidian, VS Code, etc.)
+• Änderungen von Desktop-Editoren werden automatisch importiert
+
 SYNCHRONISATION:
 
 • Unterstützt alle WebDAV-Server (Nextcloud, ownCloud, etc.)
 • Konfigurierbares Interval: 15, 30 oder 60 Minuten
+• Optimierte Performance: überspringt unveränderte Dateien (~2-3s Sync-Zeit)
+• E-Tag Caching für 20x schnellere "keine Änderungen" Checks
 • Gemessener Akkuverbrauch: nur ~0.4% pro Tag (bei 30min)
 • Doze Mode optimiert für zuverlässige Background-Syncs
 • Manuelle Synchronisation jederzeit möglich
-• Konfliktfreie Zusammenführung durch Timestamps
 
 MATERIAL DESIGN 3:
 
@@ -32,6 +43,7 @@ MATERIAL DESIGN 3:
 • Dynamic Colors (Material You) auf Android 12+
 • Dark Mode Support
 • Intuitive Gesten (Swipe-to-Delete)
+• Live Sync-Status Anzeige
 
 Open Source unter MIT-Lizenz
 Quellcode: https://github.com/inventory69/simple-notes-sync

fastlane/metadata/android/en-US/full_description.txt

@@ -4,12 +4,14 @@ KEY FEATURES:
 
 • Create and edit simple notes
 • WebDAV synchronization with your own server
+• Multi-device sync (phone, tablet, desktop)
+• Markdown export for Obsidian/desktop editors
 • Automatic synchronization on home WiFi
 • Configurable sync interval (15/30/60 minutes)
 • Transparent battery usage display
 • Material Design 3 with Dynamic Colors (Android 12+)
-• Swipe-to-delete with confirmation dialog
+• Swipe-to-delete with server sync
-• Server backup & restore
+• Server backup & restore (Merge/Replace/Overwrite)
 • Fully usable offline
 • No ads, no trackers
 
@@ -17,14 +19,23 @@ PRIVACY:
 
 Your data stays with you! The app only communicates with your own WebDAV server. No cloud services, no tracking libraries, no analytics tools.
 
+MULTI-DEVICE SYNC:
+
+• Notes sync automatically between all your devices
+• Deletion tracking prevents "zombie notes"
+• Smart conflict resolution through timestamps
+• Markdown files for desktop editing (Obsidian, VS Code, etc.)
+• Changes from desktop editors are auto-imported
+
 SYNCHRONIZATION:
 
 • Supports all WebDAV servers (Nextcloud, ownCloud, etc.)
 • Configurable interval: 15, 30, or 60 minutes
+• Optimized performance: skips unchanged files (~2-3s sync time)
+• E-Tag caching for 20x faster "no changes" checks
 • Measured battery consumption: only ~0.4% per day (at 30min)
 • Doze Mode optimized for reliable background syncs
 • Manual synchronization available anytime
-• Conflict-free merging through timestamps
 
 MATERIAL DESIGN 3:
 
@@ -32,6 +43,7 @@ MATERIAL DESIGN 3:
 • Dynamic Colors (Material You) on Android 12+
 • Dark Mode support
 • Intuitive gestures (Swipe-to-delete)
+• Live sync status indicator
 
 Open Source under MIT License
 Source code: https://github.com/inventory69/simple-notes-sync

metadata/dev.dettmer.simplenotes.yml

@@ -63,7 +63,63 @@ Builds:
     scandelete:
       - android/gradle/wrapper
 
+  - versionName: 1.2.1
+    versionCode: 6
+    commit: v1.2.1
+    subdir: android/app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
+    gradle:
+      - fdroid
+    prebuild: sed -i -e '/signingConfig/d' build.gradle.kts
+    scandelete:
+      - android/gradle/wrapper
+
+  - versionName: 1.2.2
+    versionCode: 7
+    commit: v1.2.2
+    subdir: android/app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
+    gradle:
+      - fdroid
+    prebuild: sed -i -e '/signingConfig/d' build.gradle.kts
+    scandelete:
+      - android/gradle/wrapper
+
+  - versionName: 1.3.0
+    versionCode: 8
+    commit: v1.3.0
+    subdir: android/app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
+    gradle:
+      - fdroid
+    prebuild: sed -i -e '/signingConfig/d' build.gradle.kts
+    scandelete:
+      - android/gradle/wrapper
+
+  - versionName: 1.3.1
+    versionCode: 9
+    commit: v1.3.1
+    subdir: android/app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
+    gradle:
+      - fdroid
+    prebuild: sed -i -e '/signingConfig/d' build.gradle.kts
+    scandelete:
+      - android/gradle/wrapper
+
 AutoUpdateMode: Version
 UpdateCheckMode: Tags
-CurrentVersion: 1.2.0
+CurrentVersion: 1.3.1
-CurrentVersionCode: 5
+CurrentVersionCode: 9