{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://newfold-labs.github.io/standards/schema/frontmatter.schema.json",
  "title": "Newfold Labs standards document front matter",
  "description": "Every markdown document under general/, platform/, artifacts/, process/ and meta/ carries a front matter block matching this schema. Validated in CI before the site builds; invalid front matter fails the build.",
  "type": "object",
  "additionalProperties": false,
  "required": ["id", "title", "summary", "status", "applies_to", "enforceable"],
  "properties": {
    "id": {
      "description": "Stable, unique identifier. Checks and AI answers cite this, so it must not change once published. Rename means deprecate and supersede.",
      "type": "string",
      "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$",
      "minLength": 3,
      "maxLength": 64
    },
    "title": {
      "description": "Human title, used in nav, the index and the page heading.",
      "type": "string",
      "minLength": 3,
      "maxLength": 120
    },
    "summary": {
      "description": "One sentence, no trailing period. Used in the generated index, the nav tooltip and llms.txt.",
      "type": "string",
      "minLength": 10,
      "maxLength": 200
    },
    "status": {
      "description": "Lifecycle state. See meta/lifecycle.md. deprecated and superseded documents stay in the repo but drop out of nav and retrieval defaults.",
      "enum": ["draft", "active", "deprecated", "superseded"]
    },
    "applies_to": {
      "description": "Artifact types this standard binds. `any` means every artifact type we ship.",
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": {
        "enum": ["any", "plugin", "theme", "module", "worker", "service"]
      }
    },
    "tags": {
      "description": "Free-form topic tags, lowercase kebab-case. Used for retrieval, not for nav.",
      "type": "array",
      "uniqueItems": true,
      "items": {
        "type": "string",
        "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$"
      }
    },
    "related": {
      "description": "Ids of related documents. Validated to exist.",
      "type": "array",
      "uniqueItems": true,
      "items": {
        "type": "string",
        "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$"
      }
    },
    "order": {
      "description": "Sort position within its section. Ordering is otherwise undefined, so every document should set one. Leave gaps of 10 to allow insertion.",
      "type": "integer",
      "minimum": 0
    },
    "enforceable": {
      "description": "Whether a machine could plausibly check conformance. Process and philosophy documents are false by definition: you cannot lint \"ask your team lead for access\".",
      "type": "boolean"
    },
    "enforced_by": {
      "description": "Identifier of the rule that enforces this standard, once one exists. Only meaningful when enforceable is true.",
      "type": "string",
      "minLength": 3
    },
    "superseded_by": {
      "description": "Id of the document replacing this one. Required when status is superseded.",
      "type": "string",
      "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$"
    }
  },
  "allOf": [
    {
      "if": {
        "properties": { "status": { "const": "superseded" } },
        "required": ["status"]
      },
      "then": { "required": ["superseded_by"] }
    },
    {
      "if": {
        "properties": { "enforceable": { "const": false } },
        "required": ["enforceable"]
      },
      "then": {
        "not": { "required": ["enforced_by"] }
      }
    }
  ]
}