.env.example

OPENAI_API_KEY=
ELEVENLABS_API_KEY=
GEMINI_API_KEY=
DEEPGRAM_API_KEY=
GRADIUM_API_KEY=

MODEL_NAME="gpt-realtime"

# Optional YAML setup file for users who prefer preconfiguration over the UI.
# If unset, the app also checks config/lyon_chatbox.yaml and lyon_chatbox.yaml.
# Example:
# LYON_CHATBOX_CONFIG_FILE=C:\path\to\my_lyon_chatbox.yaml
LYON_CHATBOX_CONFIG_FILE=

# Cascade provider selection. These can also be changed from the Gradio UI.
# Gradio requires explicit choices because every runtime is different.
CASCADE_ASR_PROVIDER=
CASCADE_LLM_PROVIDER=
CASCADE_TTS_PROVIDER=

# Local/provider-specific overrides. For local LLM servers, enter the full
# OpenAI-compatible endpoint including scheme, host, port, and /v1 path.
# Examples:
#   CASCADE_LLM_BASE_URL=http://127.0.0.1:1234/v1
#   CASCADE_LLM_BASE_URL=http://192.168.1.50:8000/v1
#   CASCADE_LLM_MODEL=qwen3-4b-instruct
CASCADE_LLM_BASE_URL=
CASCADE_LLM_MODEL=
CASCADE_LLM_API_KEY=
CASCADE_ASR_MODEL=
CASCADE_TTS_BASE_URL=
CASCADE_TTS_API_KEY=
CASCADE_TTS_MODEL=
CASCADE_TTS_VOICE=

# Local vision model (only used with --local-vision CLI flag)
# By default, vision is handled by gpt-realtime when the camera tool is used
LOCAL_VISION_MODEL=HuggingFaceTB/SmolVLM2-2.2B-Instruct

# Cache for local VLM (only used with --local-vision CLI flag)
HF_HOME=./cache

# Hugging Face token for accessing datasets/models
HF_TOKEN=

# Profile selection (defaults to "default" when unset)
LYON_CHATBOX_CUSTOM_PROFILE="example"

# Optional external profile/tool directories
# LYON_CHATBOX_EXTERNAL_PROFILES_DIRECTORY=external_content/external_profiles
# LYON_CHATBOX_EXTERNAL_TOOLS_DIRECTORY=external_content/external_tools

# Optional: discover and auto-load all tools found in LYON_CHATBOX_EXTERNAL_TOOLS_DIRECTORY,
# even if they are not listed in the selected profile's tools.txt.
# This is convenient for downloaded tools used with built-in/default profiles.
# AUTOLOAD_EXTERNAL_TOOLS=1