{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sabline.dev/capability/v1/schema.json",
  "title": "https://sabline.dev/capability/v1",
  "description": "The predicate of an in-toto Statement v1 whose predicateType is https://sabline.dev/capability/v1: a sabline.audit/1 document for the source file that is the statement's first subject, and the producer that wrote it. sabline-spec SPEC.md section 8.5 defines it. This schema checks the predicate's shape; the audit field must also validate against velaris.audit.1.schema.json (sabline-spec schemas/), which is not repeated here. Within v1 fields may be added and consumers must ignore fields they do not know.",
  "type": "object",
  "required": ["producer", "audit"],
  "properties": {
    "producer": {
      "description": "The implementation that wrote the audit. Its version is the audit's sabline_version.",
      "type": "object",
      "required": ["name"],
      "properties": {
        "name": {"type": "string", "minLength": 1},
        "uri": {"type": "string", "minLength": 1}
      }
    },
    "specification": {
      "description": "The sabline-spec version the producer followed, as 'sabline-spec 0.4'. Informative.",
      "type": "string"
    },
    "auditedAt": {
      "description": "When the audit was made, RFC 3339 with timezone Z. Informative: it is the producer's clock.",
      "type": "string",
      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}(\\.[0-9]+)?Z$"
    },
    "conformance": {
      "description": "The levels of sabline-spec CONFORMANCE.md the producer claims, and the corpus it ran. A claim, not evidence.",
      "type": "object",
      "required": ["levels"],
      "properties": {
        "levels": {"type": "array", "uniqueItems": true, "items": {"enum": ["L1", "L2", "L3"]}},
        "corpus": {"type": "string"}
      }
    },
    "audit": {
      "description": "A sabline.audit/1 document (sabline-spec section 8) produced from the bytes of the statement's subjects.",
      "type": "object",
      "required": ["schema", "sabline_version", "ok", "effects", "safe_command"],
      "properties": {
        "schema": {"enum": ["sabline.audit/1", "velaris.audit/1"]}
      }
    }
  }
}