{
  "$schema": "https://json-schema.org/draft-07/schema#",
  "$id": "https://msr-standard.org/schemas/msr-1.1.json",
  "title": "MSR JSON Protocol Schema (Legacy v1.1)",
  "description": "Legacy compatibility schema bridging PAD XML v3/v4 to initial JSON representation.",
  "type": "object",
  "required": [
    "$schema",
    "pad_version",
    "vendor",
    "software",
    "release"
  ],
  "properties": {
    "$schema": {
      "type": "string"
    },
    "pad_version": {
      "type": "string",
      "enum": [
        "1.0",
        "1.1"
      ]
    },
    "vendor": {
      "type": "object",
      "required": [
        "name",
        "website"
      ],
      "properties": {
        "name": {
          "type": "string"
        },
        "website": {
          "type": "string"
        },
        "support_url": {
          "type": "string"
        }
      }
    },
    "software": {
      "type": "object",
      "required": [
        "name",
        "slug",
        "kind",
        "platforms",
        "homepage"
      ],
      "properties": {
        "name": {
          "type": "string"
        },
        "slug": {
          "type": "string"
        },
        "kind": {
          "type": "string"
        },
        "platforms": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "homepage": {
          "type": "string"
        }
      }
    },
    "release": {
      "type": "object",
      "required": [
        "version",
        "released_on"
      ],
      "properties": {
        "version": {
          "type": "string"
        },
        "released_on": {
          "type": "string"
        },
        "sha256": {
          "type": "string"
        }
      }
    }
  }
}