.env.example

# Existing LLM key (optional if running in fallback mode)
GEMINI_API_KEY=

# Claude API key — used by the continuous-improvement pipeline (judge over poorly-rated convos)
# and by the intent/sentiment classifier fallback (fires only when keyword/ML primary pass produces no confident match).
ANTHROPIC_API_KEY=
JUDGE_MODEL=claude-sonnet-4-6
JUDGE_PROMPT_VERSION=judge-v1
CLAUDE_CLASSIFIER_MODEL=claude-haiku-4-5-20251001

# Database (optional for prototype)
POSTGRES_DB=ai_support
POSTGRES_USER=postgres
POSTGRES_PASSWORD=postgres
POSTGRES_HOST=localhost
POSTGRES_PORT=5432

# Voice prototype flags
VOICE_ENABLED=true

# STT (faster-whisper)
STT_MODEL_SIZE=base.en
STT_DEVICE=cpu
STT_COMPUTE_TYPE=int8
STT_LANGUAGE=en
STT_BEAM_SIZE=5

# TTS (edge-tts)
TTS_VOICE=en-KE-AsiliaNeural
TTS_RATE=+0%
TTS_PITCH=+0Hz
TTS_OUTPUT_FORMAT=mp3