{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://content-explorer.local/schemas/manifest-0.1.json",
  "title": "Content Explorer dataspace manifest v0.1",
  "type": "object",
  "additionalProperties": false,
  "required": ["schemaVersion", "id", "home", "navigation", "kindViews", "panels", "relationLabels", "factPolicy"],
  "properties": {
    "schemaVersion": {"const": "0.1"},
    "id": {"type": "string", "pattern": "^[a-z0-9-]+$"},
    "home": {
      "type": "object",
      "additionalProperties": false,
      "required": ["heading", "featuredKinds"],
      "properties": {
        "heading": {"type": "string", "minLength": 1},
        "featuredKinds": {"type": "array", "items": {"type": "string"}, "minItems": 1}
      }
    },
    "navigation": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["label", "kinds"],
        "properties": {
          "label": {"type": "string"},
          "kinds": {"type": "array", "items": {"type": "string"}, "minItems": 1}
        }
      }
    },
    "kindViews": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "additionalProperties": false,
        "required": ["columns", "facets"],
        "properties": {
          "columns": {"type": "array", "items": {"type": "string"}, "minItems": 1},
          "facets": {"type": "array", "items": {"type": "string"}}
        }
      }
    },
    "panels": {
      "type": "array",
      "items": {"enum": ["summary", "relations", "evidence", "claims"]}
    },
    "relationLabels": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "additionalProperties": false,
        "required": ["forward", "inverse"],
        "properties": {
          "forward": {"type": "string"},
          "inverse": {"type": "string"}
        }
      }
    },
    "acyclicPredicates": {
      "type": "array",
      "items": {"type": "string"}
    },
    "factPolicy": {"enum": ["show-all", "preferred", "withhold"]},
    "theme": {
      "type": "object",
      "additionalProperties": false,
      "required": ["accent"],
      "properties": {"accent": {"type": "string"}}
    }
  }
}