Ticket #87 Review (Phase 7 - Responsive Design and Mobile Experience): PASS. PR #40 added 6 files (+513/-14). Mobile-first responsive implementation: bottom navigation bar (5 tabs on mobile), hamburger menu slide-in drawer, swipe actions (swipe right approve green, swipe left reject red, 60px threshold), pull-to-refresh (80px threshold, Turbo Stream reload), 44px minimum touch targets with active scale feedback, accordion for collapsible sections, mobile card view for tables (CSS transforms), safe area insets for notched devices. 4 new Stimulus controllers: mobile_nav, swipe_actions, refresh, accordion. CSS: media queries @max-width 640px, touch feedback, scroll indicators.