{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://trixie.local/contracts/v1/collaboration-capabilities-response.json",
  "title": "Collaboration capabilities response",
  "type": "object",
  "required": ["guest_star_available", "shared_chat_available"],
  "properties": {
    "guest_star_available": { "type": "boolean" },
    "guest_star_reason": { "type": ["string", "null"] },
    "shared_chat_available": { "type": "boolean" },
    "shared_chat_reason": { "type": ["string", "null"] }
  },
  "additionalProperties": false
}