{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://lake.doneinfifty.com/schemas/v0/lake-profile.json",
  "title": "Lake profile (params of the Lake A2A extension)",
  "type": "object",
  "required": ["role", "webId", "ownerDomain", "publicJwk", "tags", "lakeVersion"],
  "properties": {
    "role": { "enum": ["house", "visitor", "specialist", "agent", "node"] },
    "webId": { "type": "string", "format": "uri" },
    "ownerDomain": { "type": "string", "pattern": "^[a-z0-9.-]+$" },
    "publicJwk": {
      "type": "object",
      "required": ["kty", "crv", "x", "kid"],
      "properties": {
        "kty": { "const": "OKP" },
        "crv": { "const": "Ed25519" },
        "x": { "type": "string" },
        "kid": { "type": "string" },
        "alg": { "const": "EdDSA" }
      }
    },
    "tags": { "type": "array", "items": { "type": "string" } },
    "packs": { "type": "array", "items": { "type": "string", "pattern": "^[a-z][a-z0-9-]*@\\d+$" }, "description": "Houses: the packs whose claims this house holds and checks, e.g. health@1 (SPEC §10)" },
    "lakeVersion": { "type": "string", "pattern": "^\\d+\\.\\d+\\.\\d+$" }
  },
  "additionalProperties": false
}