# Provider selection: auto prefers Moonshot/Kimi, then Ark, direct OpenAI,
# then OpenRouter.  The creator and both generated Agents use the same endpoint.
AGENT_CREATOR_PROVIDER=auto
AGENT_CREATOR_MODEL=

# Moonshot/Kimi (recommended for the book's current default experiment).
MOONSHOT_API_KEY=
KIMI_API_KEY=
KIMI_MODEL=kimi-k3
MOONSHOT_BASE_URL=https://api.moonshot.cn/v1

# Volcengine Ark (ARK_MODEL must be a callable endpoint/model id).
ARK_API_KEY=
ARK_MODEL=
ARK_BASE_URL=https://ark.cn-beijing.volces.com/api/v3

# Direct OpenAI-compatible endpoint.
OPENAI_API_KEY=
OPENAI_BASE_URL=
OPENAI_MODEL=gpt-5.6-luna

# Universal fallback when a direct OpenAI key/model is unavailable.
OPENROUTER_API_KEY=
OPENROUTER_MODEL=openai/gpt-5.6-luna