Error codes

Errors are Better Auth APIErrors carrying a code and a message:

import { INVITE_ERROR_CODES } from "@octopi-ai/better-enrollment";

Code	When
`INVITE_NOT_FOUND`	Unknown or no longer valid token
`INVITE_EXPIRED`, `INVITE_REVOKED`, `INVITE_ALREADY_USED`	Terminal states
`EMAIL_ALREADY_INVITED`	A pending invite already holds that address
`USER_ALREADY_EXISTS`	That address already has an account
`INVALID_ROLE`, `ROLE_NO_LONGER_VALID`	Role rejected at create, or at redeem
`ROLE_NOT_ALLOWED_FOR_ORG_JOIN`	`org-join` invites cannot set an app role
`NOT_ALLOWED_TO_MANAGE_INVITES`	Failed the admin gate
`EMAIL_MISMATCH`, `EMAIL_NOT_VERIFIED`	Open-mode activation guards
`SEAT_LIMIT_REACHED`	No seats left, at create or at redeem
`ORG_INVITE_NOT_ALLOWED`	Not permitted to invite into that organization
`ORG_DISABLED`	The organization is disabled
`ORG_SLUG_TAKEN`	Slug collision while founding an organization
`USER_BANNED`	Banned accounts cannot redeem