{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Clause Specification",
  "description": "JSON Schema for clause TOML artifacts with [govctl] metadata + [content] sections",
  "type": "object",
  "required": ["govctl", "content"],
  "properties": {
    "govctl": {
      "type": "object",
      "required": ["id", "title", "kind"],
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^C-[A-Z0-9-]+$"
        },
        "title": {
          "type": "string",
          "minLength": 1
        },
        "kind": {
          "type": "string",
          "enum": ["normative", "informative"]
        },
        "status": {
          "type": "string",
          "enum": ["active", "superseded", "deprecated"],
          "default": "active"
        },
        "since": {
          "type": "string",
          "pattern": "^\\d+\\.\\d+\\.\\d+$"
        },
        "superseded_by": {
          "type": "string",
          "pattern": "^(RFC-\\d{4}:)?C-[A-Z0-9-]+$"
        },
        "anchors": {
          "type": "array",
          "items": { "type": "string" }
        },
        "tags": {
          "type": "array",
          "items": { "type": "string", "pattern": "^[a-z][a-z0-9-]*$" }
        },
        "schema": {
          "type": "integer"
        }
      },
      "additionalProperties": false
    },
    "content": {
      "type": "object",
      "required": ["text"],
      "properties": {
        "text": {
          "type": "string",
          "minLength": 1
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}