Capture via ScreenCaptureKit, multi-display crop fix, app icon generation

build-app.sh

@@ -55,6 +55,8 @@ cat > "$APP/Contents/Info.plist" <<'PLIST'
     <string>Kapture</string>
     <key>CFBundlePackageType</key>
     <string>APPL</string>
+    <key>CFBundleIconFile</key>
+    <string>Icon</string>
     <key>CFBundleShortVersionString</key>
     <string>1.0</string>
     <key>CFBundleVersion</key>
@@ -71,4 +73,9 @@ PLIST
 
 codesign --force --sign "$CERT" "$APP"
 
+chmod +x scripts/make-icon.sh
+./scripts/make-icon.sh
+
+codesign --force --sign "$CERT" "$APP"
+
 echo "Built $APP (signed with stable identity '$CERT') — drag to /Applications or run: open $APP"