Wellness brands operate under claims scrutiny and data-handling rules that make 'the AI did something we can't explain' an unacceptable answer. For Brevard, adopting autonomy meant the control story had to be airtight before the capability mattered.

Once a month, on a normal day, the Head of Retention presses the kill switch on purpose. Every executor stands down inside 90 seconds. The team verifies the decision_log's chain signature is intact, confirms in-flight actions retained their reverse ops, and flips it back on.

It takes five minutes. It's also the single exercise that moved the board from wary to comfortable.

Six months live, Brevard has logged zero rogue writes — every action accounted for, every one reversible. The append-only decision_log, with its signed chain, is now lifted directly into their compliance pack. The audit trail isn't assembled after the fact; it's the byproduct of running.