{
  "apiVersion": "v1",
  "kind": "JSONSchema",
  "metadata": {
    "generated": "2026-08-22T14:14:13Z",
    "language": "en"
  },
  "data": {
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api.wheelofheaven.world/v1/schema/content-graph/",
  "title": "ContentGraph",
  "description": "Typed relatedness graph over the English content corpus (wiki, articles, timeline, news). A denormalised projection of the per-resource links.related surface. Returned by /v1/graph/.",
  "type": "object",
  "required": [
    "nodes",
    "edges",
    "stats"
  ],
  "properties": {
    "generated": {
      "type": "string",
      "format": "date-time"
    },
    "language": {
      "type": "string"
    },
    "stats": {
      "type": "object",
      "properties": {
        "nodes": {
          "type": "integer"
        },
        "edges": {
          "type": "integer"
        },
        "nodes_by_kind": {
          "type": "object"
        },
        "edges_by_type": {
          "type": "object"
        },
        "orphans": {
          "type": "integer"
        },
        "asymmetric_see_also": {
          "type": "integer"
        },
        "dangling_links": {
          "type": "integer"
        }
      }
    },
    "nodes": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/node"
      }
    },
    "edges": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/edge"
      }
    },
    "qa": {
      "type": "object",
      "description": "Editorial dividend: structural issues the graph build surfaces.",
      "properties": {
        "orphans": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "Node ids with zero edges (in or out)."
        },
        "asymmetric_see_also": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "from": {
                "type": "string"
              },
              "to": {
                "type": "string"
              }
            }
          },
          "description": "A has see_also->B but B has no see_also->A."
        },
        "dangling": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "source": {
                "type": "string"
              },
              "path": {
                "type": "string"
              },
              "reason": {
                "type": "string",
                "enum": [
                  "internal_missing",
                  "external"
                ]
              },
              "via": {
                "type": "string",
                "enum": [
                  "see_also",
                  "in_body"
                ]
              }
            }
          },
          "description": "Curated/in-body links whose target is a broken internal slug or points outside the content graph."
        }
      }
    }
  },
  "$defs": {
    "node": {
      "type": "object",
      "required": [
        "id",
        "section",
        "slug",
        "kind",
        "title",
        "url"
      ],
      "properties": {
        "id": {
          "type": "string",
          "description": "Canonical node id, 'section/slug'."
        },
        "section": {
          "type": "string",
          "enum": [
            "wiki",
            "articles",
            "timeline",
            "news"
          ]
        },
        "slug": {
          "type": "string"
        },
        "kind": {
          "type": "string",
          "enum": [
            "WikiEntry",
            "Article",
            "TimelineEntry",
            "NewsArticle"
          ]
        },
        "title": {
          "type": "string"
        },
        "url": {
          "type": "string",
          "description": "The content endpoint, /v1/{section}/{slug}/."
        },
        "graph_url": {
          "type": "string",
          "description": "The ego-network endpoint, /v1/graph/{section}/{slug}/."
        },
        "claim_type": {
          "type": "string"
        },
        "category": {
          "type": "string"
        },
        "degree": {
          "type": "object",
          "properties": {
            "out": {
              "type": "integer"
            },
            "in": {
              "type": "integer"
            },
            "total": {
              "type": "integer"
            }
          }
        }
      }
    },
    "edge": {
      "type": "object",
      "required": [
        "source",
        "target",
        "type"
      ],
      "properties": {
        "source": {
          "type": "string",
          "description": "Source node id."
        },
        "target": {
          "type": "string",
          "description": "Target node id."
        },
        "type": {
          "type": "string",
          "enum": [
            "see_also",
            "in_body"
          ],
          "description": "Directed, typed edge. see_also = curated relatedness; in_body = prose cross-link."
        }
      }
    }
  }
},
  "links": {
    "self": "/v1/schema/content-graph/",
    "index": "/v1/schema/"
  }
}