Playful two-headed emoji avatar that chats in Japanese. Blinks, claps, mouths along to speech. Real-time animation synced to audio energy. MediaPipe face/hand tracking optional. Anthropic Claude for chat, ElevenLabs for TTS.

See workings/TODO.md for the feature wishlist.

npm install
npm run dev                    # http://localhost:3000
npm test                       # Run unit tests

ANTHROPIC_API_KEY             # Required for chat
ELEVENLABS_API_KEY            # Required for voice
ANTHROPIC_MODEL               # default: claude-haiku-4-5
ELEVENLABS_VOICE_ID_JA        # default: fUjY9K2nAIwlALOwSiwc
ELEVENLABS_MODEL_ID           # default: eleven_multilingual_v2
PORT                          # default: 3000

See CLAUDE.md for detailed architecture, API integration, implementation notes, and contribution guidelines.