{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SendRoomMessage",
  "description": "Input for a backend tool bound to one operator-selected NinjaChatter room. The backend supplies authentication and calls createRoomPublisher. A successful tool call acknowledges publication, not viewer delivery.",
  "type": "object",
  "additionalProperties": false,
  "required": ["text"],
  "properties": {
    "text": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4096,
      "description": "Plain-text message to publish under the configured bot identity. Must contain non-whitespace text."
    }
  }
}