Explanation:

Non-registered user has the opportunity to check, this email is available for registration

After registration the user are authorized, in one request

The user, which successfully authorized, receives access and refresh tokens in a cookies

Once the access token has expired, the user automatically receives a new token pair

The user has 10 attempts to enter an incorrect password, or - block for 1 hour

Authorized user gets full access to their animals

In this solution used MapStruct mapper and Maven build tool

So, crucial step before starting, is used mvn clean and mvn install commands

That'll make necessary beans implementations for mapper

So, let's run it