* fix: hide audio element on mobile * chore: add tts docs link * fix: select voice option on first render * fix: NotAllowedError, prevent async playback for mobile triggers, consolidate MessageAudio code, user user-triggered unmutes * fix: Firefox/unsupported type for MediaSource hack * refactor(STT): make icon red when recording. consolidate logic to AudioRecorder component * fix: revert Redis changes to use separate client for sessions