{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/api-evangelist/wundergraph/blob/main/json-schema/subgraph.json",
  "title": "WunderGraph Cosmo Subgraph",
  "description": "A Subgraph is an isolated GraphQL schema that can be independently deployed and managed, composing into federated graphs via label matching.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique identifier for the subgraph."
    },
    "name": {
      "type": "string",
      "description": "The name of the subgraph."
    },
    "namespace": {
      "type": "string",
      "description": "The namespace the subgraph belongs to."
    },
    "routingUrl": {
      "type": "string",
      "format": "uri",
      "description": "The URL where the subgraph service is hosted."
    },
    "labels": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "key": {
            "type": "string"
          },
          "value": {
            "type": "string"
          }
        }
      },
      "description": "Labels attached to the subgraph for matching to federated graphs."
    },
    "subscriptionUrl": {
      "type": "string",
      "format": "uri",
      "description": "URL for WebSocket-based GraphQL subscriptions if different from the routing URL."
    },
    "subscriptionProtocol": {
      "type": "string",
      "enum": ["ws", "sse", "sse_post"],
      "description": "The subscription transport protocol."
    },
    "lastPublishedAt": {
      "type": "string",
      "format": "date-time",
      "description": "When the schema was last published."
    },
    "readme": {
      "type": "string",
      "description": "Readme description of the subgraph."
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "When the subgraph was created."
    },
    "updatedAt": {
      "type": "string",
      "format": "date-time",
      "description": "When the subgraph was last updated."
    }
  }
}