_speakBrowser: Chrome sets speechSynthesis.paused=true after tab is
backgrounded/minimized. Calling cancel() does NOT clear this state.
Adding resume() before speak() inside the setTimeout fixes silent
failure when user returns to the tab (e.g. switch app → back to browser).
testTTS: add diagnostic messages for:
- Android kiosk: check isTtsReady() and show actionable error if
the native TTS engine hasn't initialized yet
- Web browser: check getVoices().length before speaking; if empty,
show error asking user to install a voice pack in OS settings
(instead of always showing '✅ Riproduzione in corso' even when silent)
dadaloop82
245d007e29
