#992 Refine frontend UI and query workflow Pull request opened by seanqsun Summary • refine the application chrome, environment-aware navigation, spacing, typography, colors, and shared interaction patterns • redesign the dashboard and login experience, add richer activity charts, and provide removable development mock data for local review • add a no-code SQL query builder with improved targeting controls and platform brand marks • standardize status, tag, filter, selection, and metadata chip semantics across the frontend Testing • npm test -- --run (40 files, 273 tests) • npm run build • go test ./... • npm audit --omit=dev jmpsec/osctrl