- bump dark hairline from #374151 → #4b5563 for visible table borders - topbar header bg-canvas → bg-paper for dark-mode lift vs canvas body - UsersAdminPage create-form: Option A structural 3-row grid (labels / inputs / hints) to fix AC-17.3 alignment; removes FormField wrapper that caused row-height misalignment - EngagementsListPage: replace text "+ New" with lucide Plus icon per design spec Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>