b74e9de04d
Add grid layout at >= 640px breakpoint for #issue-list and #pull-list containers, matching the existing .card-grid tablet behavior. Cards render in a 2-column grid on tablet while maintaining single-column on mobile. Closes leeworks-agents/gitea-mobile#105 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>