{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.metanorma.org/registry/search-index/v1.json",
  "title": "Registry search index (derived view)",
  "description": "Contract for the fetchable search corpus (/search-index.json), a derived projection of the documents-index catalog (TODO.improvements/07): a different, smaller contract than the full catalog. Stability promise: additive-only within major version 1; consumers must ignore unknown keys.",
  "type": "object",
  "required": ["$schema", "version", "generated_at", "org", "documents"],
  "properties": {
    "$schema": { "const": "https://schemas.metanorma.org/registry/search-index/v1.json" },
    "version": { "const": 1 },
    "generated_at": { "type": "string", "format": "date-time" },
    "org": { "type": "string" },
    "documents": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["slug", "document_id", "id", "title", "abstract", "doctype", "stage", "date", "url"],
        "properties": {
          "slug": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]*$" },
          "document_id": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]*$" },
          "id": { "type": "string", "minLength": 1 },
          "title": { "type": "string" },
          "abstract": { "type": ["string", "null"] },
          "doctype": { "type": ["string", "null"] },
          "stage": { "type": "string" },
          "date": { "type": ["string", "null"], "format": "date" },
          "url": { "type": "string", "pattern": "^/" }
        }
      }
    }
  }
}