Add custom app icon and improved DMG layout

Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,51 +1,61 @@
 {
   "images" : [
     {
+      "filename" : "icon_16x16.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "16x16"
     },
     {
+      "filename" : "icon_16x16@2x.png",
       "idiom" : "mac",
       "scale" : "2x",
       "size" : "16x16"
     },
     {
+      "filename" : "icon_32x32.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "32x32"
     },
     {
+      "filename" : "icon_32x32@2x.png",
       "idiom" : "mac",
       "scale" : "2x",
       "size" : "32x32"
     },
     {
+      "filename" : "icon_128x128.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "128x128"
     },
     {
+      "filename" : "icon_128x128@2x.png",
       "idiom" : "mac",
       "scale" : "2x",
       "size" : "128x128"
     },
     {
+      "filename" : "icon_256x256.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "256x256"
     },
     {
+      "filename" : "icon_256x256@2x.png",
       "idiom" : "mac",
       "scale" : "2x",
       "size" : "256x256"
     },
     {
+      "filename" : "icon_512x512.png",
       "idiom" : "mac",
       "scale" : "1x",
       "size" : "512x512"
     },
     {
+      "filename" : "icon_512x512@2x.png",
       "idiom" : "mac",
       "scale" : "2x",
       "size" : "512x512"

scripts/build_release.sh

@@ -29,6 +29,13 @@ if [[ ! -d "$APP_PATH" ]]; then
   exit 1
 fi
 
+STAGING_DIR=$(mktemp -d)
+mkdir -p "$STAGING_DIR"
+cp -R "$APP_PATH" "$STAGING_DIR/"
+ln -s /Applications "$STAGING_DIR/Applications"
+mkdir -p "$STAGING_DIR/.background"
+cp "$ROOT_DIR/Assets/dmg_background.png" "$STAGING_DIR/.background/background.png"
+
 if [[ -n "${CODESIGN_IDENTITY:-}" ]]; then
   echo "🔏 Codesigning app with identity: $CODESIGN_IDENTITY"
   codesign --deep --force --options runtime --sign "$CODESIGN_IDENTITY" "$APP_PATH"
@@ -50,7 +57,7 @@ zip -r "$ARTIFACTS_DIR/$ZIP_NAME" "$(basename "$APP_PATH")"
 popd >/dev/null
 
 DMG_NAME="iKeyMon-${VERSION}.dmg"
-hdiutil create -volname "iKeyMon" -srcfolder "$APP_PATH" -ov -format UDZO "$ARTIFACTS_DIR/$DMG_NAME"
+hdiutil create -volname "iKeyMon" -srcfolder "$STAGING_DIR" -ov -format UDZO "$ARTIFACTS_DIR/$DMG_NAME"
 
 if [[ -n "${NOTARY_APPLE_ID:-}" && -n "${NOTARY_TEAM_ID:-}" && -n "${NOTARY_PASSWORD:-}" ]]; then
   echo "📝 Submitting DMG for notarization..."
@@ -63,6 +70,7 @@ if [[ -n "${NOTARY_APPLE_ID:-}" && -n "${NOTARY_TEAM_ID:-}" && -n "${NOTARY_PASS
 else
   echo "⚠️ Skipping notarization (NOTARY_* variables not set)."
 fi
+rm -rf "$STAGING_DIR"
 
 echo "✅ Build complete. Artifacts:"
 echo "   - $ARTIFACTS_DIR/$ZIP_NAME"