Ver.0.0.4

Features

• Protobuf Audio-to-Face (offline-mesh), JSON fallback
• PlayFromAudio: one WAV in, blendshapes + audio out
• Local WAV playback when the server returns no audio
• WAV / MP3 decode via NAudio
• Xandra HDRP + ARKit sample, scene ATF.unity

Breaking

• Request body: { "traceId", "data": "<wav-base64>" }
• Sample scene: AudioToFace.unity → ATF.unity (HDRP)