{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "urn:manifest:plugins:plugin",
  "title": "ManifestPlugin",
  "description": "Schema for validating a Manifest plugin module export.",
  "type": "object",
  "required": ["manifest"],
  "properties": {
    "manifest": {
      "type": "object",
      "required": ["name", "version", "pluginApiVersion", "manifestVersion"],
      "properties": {
        "name": {
          "type": "string",
          "pattern": "^(@[a-z0-9-~][a-z0-9-._~]*/)?[a-z0-9-~][a-z0-9-._~]*$",
          "description": "Unique plugin identifier (npm-style scoped or unscoped)."
        },
        "version": {
          "type": "string",
          "pattern": "^\\d+\\.\\d+\\.\\d+",
          "description": "Plugin's own SemVer version."
        },
        "pluginApiVersion": {
          "type": "string",
          "const": "1",
          "description": "Must match the current Plugin API version."
        },
        "manifestVersion": {
          "type": "string",
          "description": "SemVer range for compatible Manifest package versions."
        },
        "description": {
          "type": "string",
          "description": "Human-readable plugin description."
        }
      },
      "additionalProperties": false
    },
    "projections": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "description", "surfaces", "generate"],
        "properties": {
          "name": { "type": "string" },
          "description": { "type": "string" },
          "surfaces": {
            "type": "array",
            "items": { "type": "string" }
          },
          "generate": {}
        }
      }
    },
    "storeAdapters": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["scheme", "createStore"],
        "properties": {
          "scheme": { "type": "string", "pattern": "^[a-z][a-z0-9+-]*$" },
          "createStore": {}
        }
      }
    },
    "auditSinks": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "createSink"],
        "properties": {
          "id": { "type": "string" },
          "createSink": {}
        }
      }
    },
    "builtins": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "purity", "arity", "fn"],
        "properties": {
          "name": { "type": "string" },
          "purity": { "type": "string", "enum": ["pure", "time-dependent", "random"] },
          "arity": { "type": "integer", "minimum": -1 },
          "fn": {}
        }
      }
    },
    "cliCommands": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["name", "register"],
        "properties": {
          "name": { "type": "string" },
          "register": {}
        }
      }
    },
    "onLoad": {}
  },
  "additionalProperties": false
}