feat(design): animated design system foundation with animate-ui and motion

Install motion + animate-ui, overhaul design tokens with brand cyan accent,
and replace CSS keyframe animations in Dialog, Tabs, Switch, and Tooltip
with spring-physics and blur-fade transitions via animate-ui Radix primitives.

frontend/package.json

@@ -33,10 +33,14 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
+    "geist": "^1.7.0",
     "lucide-react": "^0.575.0",
+    "motion": "^12.38.0",
     "next-themes": "^0.4.6",
+    "radix-ui": "^1.4.3",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
+    "react-use-measure": "^2.1.7",
     "recharts": "^2.15.4",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.5.0",