- label_app.spec: one-file build bundling fonts, emoji data, ttkbootstrap
themes and (on Windows) fribidi.dll so Pillow can shape emoji sequences
- build-windows.ps1 helper; assets/icon.ico app icon
- Fonts resolved from assets/fonts first, then system dirs, so the app
runs from a bundle or a checkout on any OS
- Bump Pillow pin to 12.3
