Prevent and handle IntegrityErrors during user creation#5582

Merged

rtibbles merged 1 commit intohotfixesfrom

claude/fix-submissions-errors-01HPRTCcfQktQKt1z79MzqtV

Jan 6, 2026

Commits on Dec 1, 2025

Add double click blocking and error handling for user creation form submission.
rtibbles
committed