# ── WhatsApp (Twilio) ───────────────────────────
TWILIO_ACCOUNT_SID=
TWILIO_AUTH_TOKEN=
TWILIO_PHONE_NUMBER=
BASE_URL=                   # public base URL for audio serving (e.g. https://xxxx.ngrok.io)

# ── Language ─────────────────────────────────────
LANGUAGE=es                 # en | fr | pt | etc (default: en)

# ── STT ──────────────────────────────────────────
# STT_PROVIDER name must match the provider file: app/providers/stt/<name>.py
STT_PROVIDER=orchardrun     # orchardrun | openai | deepgram
STT_LANGUAGE=es             # overrides LANGUAGE for STT

# ── LLM ──────────────────────────────────────────
# LLM_PROVIDER name must match the provider file: app/providers/llm/<name>.py
LLM_PROVIDER=openai         # openai | anthropic | groq | deepseek
LLM_API_KEY=
LLM_MODEL=gpt-4o-mini
SYSTEM_PROMPT="You are a helpful voice assistant for a business."

# ── TTS ──────────────────────────────────────────
# TTS_PROVIDER name must match the provider file: app/providers/tts/<name>.py
TTS_PROVIDER=orchardrun     # orchardrun | openai | elevenlabs
TTS_VOICE_ID=es_MX-claude

# ── Response ─────────────────────────────────────
RESPONSE_TYPE=audio         # audio | text (default: audio)

# ── Orchard Run (shared key for STT + TTS) ──────
ORCHARD_API_KEY=