- DashboardHeader.jsx: replace Semi's IconSearch/IconRefresh with lucide-react's Search/RefreshCw (size 16), preserve existing button styles - UptimePanel.jsx: replace Semi's IconRefresh with lucide-react's RefreshCw (size 14), keep styling intact - UserArea.jsx: replace Semi's IconChevronDown with lucide-react's ChevronDown (size 14), preserve visual parity - Update imports: remove @douyinfe/semi-icons usage where replaced; add lucide-react imports - Verified no remaining IconSearch/IconRefresh in dashboard; no new linter errors Motivation: unify icon library for core actions and improve UI consistency. Follow-ups: consider migrating remaining Semi icons (e.g., plus/minus, charts) to lucide-react.
