fix: only save outfit when user explicitly selects it

debug: more outfit logging

debug: add logging for outfit loading

fix: persist selected outfit across restarts

fix: auto-hide speech bubble after TTS finishes

Merge pull request #31 from kaikezhang/fix/external-tts-playback-lock

fix: sync external TTS lock with renderer audio playback state

fix: lock external TTS to prevent interruption from subsequent events

fix: don't reset TTS queue when busy (prevent story interruption)

fix: let onPlayStart handle per-sentence bubble for external chat

fix: auto-start TTS session on first delta for external chat

feat: TTS for external chat (sessions_send)

fix: wardrobe close button - stopPropagation + z-index + Escape key support

fix: drive speakBounce spring + squash in fallback timer for scaleY pulse without audio

fix: add timer fallback for mouth animation when no audio volume data; volume-driven takes priority when active