{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://leji.org/schemas/v1.0/decision-record.schema.json",
  "title": "Leji decision record frontmatter",
  "description": "Validates the YAML frontmatter of a decision record. The markdown body carries context, decision, and consequences in prose.",
  "type": "object",
  "required": [
    "id",
    "title",
    "status",
    "date"
  ],
  "additionalProperties": false,
  "properties": {
    "id": {
      "description": "Stable identifier for this decision, e.g. \"adopt-leji\".",
      "type": "string",
      "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$"
    },
    "title": {
      "description": "Short title of the decision.",
      "type": "string",
      "minLength": 1
    },
    "status": {
      "description": "Lifecycle status of the decision.",
      "enum": [
        "proposed",
        "accepted",
        "superseded",
        "deprecated",
        "rejected"
      ]
    },
    "date": {
      "description": "ISO 8601 date the decision was made or last changed status.",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    },
    "deciders": {
      "description": "People who made the decision.",
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "supersedes": {
      "type": "string",
      "description": "id of the record this decision replaces."
    },
    "supersededBy": {
      "type": "string",
      "description": "id of the record that replaced this one."
    },
    "affectedPaths": {
      "description": "Repository-root-relative paths the decision affects.",
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^(?!/)(?!\\./)(?!.*(^|/)\\.\\.(/|$))(?!.*\\\\).+$"
      }
    },
    "affectedCategories": {
      "description": "Content categories the decision affects.",
      "type": "array",
      "items": {
        "enum": [
          "domain",
          "system",
          "practice",
          "governance",
          "decisions"
        ]
      }
    },
    "links": {
      "description": "Optional outbound references, e.g. to related decisions or issues.",
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  }
}