{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://trustgraduation.org/spec/0.1/action-class.schema.json",
  "title": "Trust Graduation Action Class",
  "description": "Canonical action-class registry row for Trust Graduation Protocol v0.1.",
  "type": "object",
  "required": ["id", "type", "description"],
  "additionalProperties": true,
  "properties": {
    "id": {
      "type": "string",
      "description": "Canonical lowercase dot-notation action-class identifier.",
      "pattern": "^[a-z][a-z0-9]*(\\.[a-z][a-z0-9]*)+$",
      "examples": [
        "read.context",
        "draft.compose",
        "email.send.external",
        "payment.initiate"
      ]
    },
    "type": {
      "type": "string",
      "description": "Consequence category for the action class.",
      "enum": ["internal", "external controlled", "external", "human-only"]
    },
    "description": {
      "type": "string",
      "minLength": 1
    },
    "aliases": {
      "type": "array",
      "description": "Legacy or implementation-local identifiers that canonicalize to this action class.",
      "items": { "type": "string" }
    }
  }
}