v0.1.0

Universal macOS app (arm64 + x86_64). Download CountdownFloat-v0.1.0.app.zip, unzip it, and move CountdownFloat.app to Applications. This build is ad-hoc signed and not notarized; macOS may require Control-click > Open on first launch. SHA-256: 57527444256ab0589d065ece3201d8265e1b431467c7b176f9eba9cd2dcfac0a.