v1.3
ci: add GitHub Actions build workflow
feat(ui): add sound files browser with conversion progress
feat(sounds): English fallback for source-phrase mapping
chore: update copyright year to 2026
feat(sounds): regenerate Polish sounds with Piper TTS
feat(ui): support multi-format inventory + webm/wav-only player
Initial commit: ModulePolishLanguagePack language pack for MikoPBX