Use custom icon for android

.github/workflows/release.yml

@@ -118,6 +118,9 @@ jobs:
           ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}
         run: npx tauri android init
 
+      - name: Generate app icons
+        run: npx tauri icon sun2022.png
+
       - name: Build Android APK
         env:
           NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}

.gitignore

@@ -217,9 +217,8 @@ architecture.md
 CLAUDE.md
 
 # Temporary image files used during icon creation
-sun*.png
-sun*.jpg
-sun*.jpeg
+# (sun2022.png is kept as the app icon source)
+!sun2022.png
 sunicon.*
 
 # -----------------------------------------------------------------------------
@@ -227,6 +226,11 @@ sunicon.*
 # -----------------------------------------------------------------------------
 .claude/
 
+# -----------------------------------------------------------------------------
+# AUR Package (separate repo)
+# -----------------------------------------------------------------------------
+aur/
+
 # -----------------------------------------------------------------------------
 # Miscellaneous
 # -----------------------------------------------------------------------------