The alternative is assuming: trusting that approved changes reached code because nobody has seen otherwise.
What it covers
Documentation says what the system is. Assurance checks whether the product follows it. In practice that means four things running continuously:
- comparing design and code, and listing every divergence;
- finding bypasses, where code skips the system;
- weighting both by reach, so the list becomes priorities;
- tracking time to fix, so the process itself is measured.
Why it's a separate job
Few teams can show that production matches the system. In the Sparkbox Design Systems Survey 2022, only 16% had metrics tracking or reporting established for their design system, and 37% named parity between design and code as a top challenge (Sparkbox). The gap has no owner: designers review Figma, developers review code, and nobody reviews one against the other.
Assurance gives that gap an owner: a person, a process or a tool that sees both sides and reports what differs.