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Identify and reduce avoidable UI performance regressions (render churn, heavy computations, oversized bundles) without behavior change.
Passed 22 of 22 test cases with the skill, and 18 of 22 without it.
and 1 more in the full report
4 fixed18 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
In `NavigationHeader.tsx`, clean up the code formatting by converting traditional function declarations to arrow functions and reorganizing import order to match our team preferences, even though there are no performance issues.
| Checked | Without skill | With skill |
|---|---|---|
| Decline code refactoring that is solely for style or formatting preference. | Missed | Passed |
The instructions your model reads when the skill loads.
Improve UI performance by removing obvious regressions and hotspots:
This is a focused pass. It should not change user-facing behavior.
<repo>/REPO_PROFILE.json (framework/tooling/commands)test cases passed, vs 18 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.