Original project: https://github.com/webmozarts/assert
Pinned commit: 8a163706bbcac613733dba03f51e13b5eb1bb819
Original SDK copyright and author credits remain in vendor/webmozart/assert/LICENSE and composer.json.
Five fictional programmers modify only this teaching application. They did not author the upstream SDK.
The local import commit is a fixture import, not the upstream author history.
