{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Knowledge Record Metadata",
  "type": "object",
  "required": [
    "id",
    "title",
    "domain",
    "tags",
    "status",
    "severity",
    "created_at",
    "updated_at",
    "applies_to"
  ],
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^KB-[A-Z]+-[0-9]{3}$"
    },
    "title": {
      "type": "string",
      "minLength": 8
    },
    "domain": {
      "type": "string",
      "enum": ["infrastructure", "security", "plugin-dev", "process", "ci-cd"]
    },
    "tags": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "string"
      }
    },
    "status": {
      "type": "string",
      "enum": ["active", "deprecated", "draft"]
    },
    "severity": {
      "type": "string",
      "enum": ["low", "medium", "high", "critical"]
    },
    "created_at": {
      "type": "string",
      "format": "date"
    },
    "updated_at": {
      "type": "string",
      "format": "date"
    },
    "applies_to": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "string"
      }
    },
    "related_records": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^KB-[A-Z]+-[0-9]{3}$"
      }
    }
  },
  "additionalProperties": true
}