Contact / feedback

Help shape the next drill.

This is a local-first prototype. The production inbox and domain are not configured yet, so this page does not pretend to submit a server form.

Planned feedback route

feedback@cs2reactiontest.site

Before launch, replace this planned address with a verified project inbox. For the current build, report issues in the project handoff with the browser, viewport and test mode that reproduced the problem.

Useful issue details

Tell us what changed.

Browser and device type
Viewport size and whether pointer or keyboard input was used
Test mode, round number and visible error state
Whether the same issue remains after a hard refresh

Return to the lab

Run the CS2 reaction test or open the about page to review the measurement scope.