{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://thoughtindustries.com/schemas/user",
  "title": "User",
  "description": "A learner user account in the Thought Industries platform.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique user identifier."
    },
    "email": {
      "type": "string",
      "format": "email",
      "description": "User email address. Must be unique per tenant."
    },
    "first_name": {
      "type": "string",
      "description": "User's first name."
    },
    "last_name": {
      "type": "string",
      "description": "User's last name."
    },
    "active": {
      "type": "boolean",
      "description": "Whether the user account is active. Deactivated users cannot enroll or access content.",
      "default": true
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp of account creation."
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "ISO 8601 timestamp of last update."
    },
    "custom_fields": {
      "type": "object",
      "description": "Tenant-specific custom field values.",
      "additionalProperties": true
    }
  },
  "required": ["id", "email"],
  "additionalProperties": false
}