OnlyKin API

This is the hosted-models relay for OnlyKin. Endpoints:

POST /v1/messages       — Anthropic-compatible relay (auth required)
GET  /v1/models         — list of models OnlyKin hosts (auth required)
GET  /health            — liveness

Auth: send Authorization: Bearer <supabase access_token>. Sign in via the OnlyKin desktop app to get one.