feat: setup frontend project with bun and dynamic data fetching

- Create new frontend project directory with Next.js 15 + React 19
- Migrate from pnpm to bun for faster package management
- Add TanStack Query + Axios for dynamic data fetching
- Create comprehensive Makefile with development commands
- Setup API layer with query hooks and error handling
- Configure environment variables and bun settings
- Add TypeScript type checking and project documentation
- Update CLAUDE.md with bun-specific development workflow

frontend/components/ui/slider.tsx

@@ -0,0 +1,28 @@
+"use client"
+
+import * as React from "react"
+import * as SliderPrimitive from "@radix-ui/react-slider"
+
+import { cn } from "@/lib/utils"
+
+const Slider = React.forwardRef<
+  React.ElementRef<typeof SliderPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SliderPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <SliderPrimitive.Root
+    ref={ref}
+    className={cn(
+      "relative flex w-full touch-none select-none items-center",
+      className
+    )}
+    {...props}
+  >
+    <SliderPrimitive.Track className="relative h-2 w-full grow overflow-hidden rounded-full bg-secondary">
+      <SliderPrimitive.Range className="absolute h-full bg-primary" />
+    </SliderPrimitive.Track>
+    <SliderPrimitive.Thumb className="block h-5 w-5 rounded-full border-2 border-primary bg-background ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50" />
+  </SliderPrimitive.Root>
+))
+Slider.displayName = SliderPrimitive.Root.displayName
+
+export { Slider }