Model IDs and providers
Anthropic direct and OpenRouter provider configuration.
Short names: opus, sonnet, haiku. Override via SWARM_MODEL_* env vars.
OpenRouter: set OPENROUTER_API_KEY and ANTHROPIC_BASE_URL=https://openrouter.ai/api.
SWARM_OPENROUTER_CHEAP=1 opts into Haiku remap. Otherwise mapping is honest.