fix(audio): fix beep/prepareBeep swap, raise default volume, use STREAM_ALARM for TTS#30

nbucic merged 2 commits into

masternbucic/interval-timer-nativephp:masterfrom

claude/android-interval-timer-app-JYhZcnbucic/interval-timer-nativephp:claude/android-interval-timer-app-JYhZcCopy head branch name to clipboard