added server

frontend/src/components/ui/button.tsx

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+import * as React from 'react';
+import {cva, type VariantProps} from 'class-variance-authority';
+import {cn} from '@/lib/utils';
+/* eslint-disable */
+const buttonVariants = cva(
+  'inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium 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',
+  {
+    variants: {
+      variant: {
+        default: 'bg-primary text-primary-foreground hover:bg-primary/90',
+        destructive: 'bg-destructive text-destructive-foreground hover:bg-destructive/90',
+        outline: 'border border-input bg-background hover:bg-accent hover:text-accent-foreground',
+        secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80',
+        ghost: 'hover:bg-accent hover:text-accent-foreground',
+        link: 'text-primary underline-offset-4 hover:underline'
+      },
+      size: {
+        default: 'h-10 px-4 py-2',
+        sm: 'h-9 rounded-md px-3',
+        lg: 'h-11 rounded-md px-8',
+        icon: 'h-10 w-10'
+      }
+    },
+    defaultVariants: {
+      variant: 'default',
+      size: 'default'
+    }
+  }
+);
+
+export interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement>, VariantProps<typeof buttonVariants> {
+  asChild?: boolean;
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(({className, variant, size, ...props}, ref) => {
+  return <button className={cn(buttonVariants({variant, size, className}))} ref={ref} {...props} />;
+});
+Button.displayName = 'Button';
+
+export {Button, buttonVariants};

frontend/src/components/ui/card.tsx

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+import * as React from 'react';
+import {cn} from '@/lib/utils';
+
+const Card = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({className, ...props}, ref) => (
+  <div ref={ref} className={cn('rounded-lg border bg-card text-card-foreground shadow-sm', className)} {...props} />
+));
+Card.displayName = 'Card';
+
+const CardHeader = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({className, ...props}, ref) => (
+  <div ref={ref} className={cn('flex flex-col space-y-1.5 p-6', className)} {...props} />
+));
+CardHeader.displayName = 'CardHeader';
+
+const CardTitle = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLHeadingElement>>(({className, ...props}, ref) => (
+  <h3 ref={ref} className={cn('text-2xl font-semibold leading-none tracking-tight', className)} {...props} />
+));
+CardTitle.displayName = 'CardTitle';
+
+const CardDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(({className, ...props}, ref) => (
+  <p ref={ref} className={cn('text-sm text-muted-foreground', className)} {...props} />
+));
+CardDescription.displayName = 'CardDescription';
+
+const CardContent = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({className, ...props}, ref) => (
+  <div ref={ref} className={cn('p-6 pt-0', className)} {...props} />
+));
+CardContent.displayName = 'CardContent';
+
+const CardFooter = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({className, ...props}, ref) => (
+  <div ref={ref} className={cn('flex items-center p-6 pt-0', className)} {...props} />
+));
+CardFooter.displayName = 'CardFooter';
+
+export {Card, CardHeader, CardFooter, CardTitle, CardDescription, CardContent};

frontend/src/components/ui/dialog.tsx

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+import * as React from 'react';
+import {cn} from '@/lib/utils';
+import {X} from 'lucide-react';
+
+interface DialogContextValue {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+}
+
+const DialogContext = React.createContext<DialogContextValue | undefined>(undefined);
+
+const useDialog = () => {
+  const context = React.useContext(DialogContext);
+  if (!context) {
+    throw new Error('useDialog must be used within a Dialog');
+  }
+  return context;
+};
+
+interface DialogProps {
+  children: React.ReactNode;
+  open?: boolean;
+  onOpenChange?: (open: boolean) => void;
+}
+
+const Dialog = ({children, open: controlledOpen, onOpenChange}: DialogProps) => {
+  const [uncontrolledOpen, setUncontrolledOpen] = React.useState(false);
+
+  const open = controlledOpen !== undefined ? controlledOpen : uncontrolledOpen;
+  const setOpen = onOpenChange || setUncontrolledOpen;
+
+  return <DialogContext.Provider value={{open, onOpenChange: setOpen}}>{children}</DialogContext.Provider>;
+};
+
+const DialogTrigger = React.forwardRef<HTMLButtonElement, React.ButtonHTMLAttributes<HTMLButtonElement>>(({className, onClick, ...props}, ref) => {
+  const {onOpenChange} = useDialog();
+
+  return (
+    <button
+      ref={ref}
+      className={className}
+      onClick={e => {
+        onOpenChange(true);
+        onClick?.(e);
+      }}
+      {...props}
+    />
+  );
+});
+DialogTrigger.displayName = 'DialogTrigger';
+
+const DialogPortal = ({children}: {children: React.ReactNode}) => {
+  return <>{children}</>;
+};
+
+const DialogOverlay = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({className, ...props}, ref) => {
+  const {onOpenChange} = useDialog();
+
+  return (
+    <div
+      ref={ref}
+      className={cn(
+        'fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0',
+        className
+      )}
+      onClick={() => onOpenChange(false)}
+      {...props}
+    />
+  );
+});
+DialogOverlay.displayName = 'DialogOverlay';
+
+const DialogContent = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({className, children, ...props}, ref) => {
+  const {open, onOpenChange} = useDialog();
+
+  if (!open) return null;
+
+  return (
+    <DialogPortal>
+      <div className="fixed inset-0 z-50 flex items-center justify-center p-4">
+        <DialogOverlay />
+        <div
+          ref={ref}
+          className={cn(
+            'relative z-50 grid w-full max-w-lg gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 sm:rounded-lg',
+            className
+          )}
+          onClick={e => e.stopPropagation()}
+          {...props}>
+          {children}
+          <button
+            onClick={() => onOpenChange(false)}
+            className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground">
+            <X className="h-4 w-4" />
+            <span className="sr-only">Close</span>
+          </button>
+        </div>
+      </div>
+    </DialogPortal>
+  );
+});
+DialogContent.displayName = 'DialogContent';
+
+const DialogHeader = ({className, ...props}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn('flex flex-col space-y-1.5 text-center sm:text-left', className)} {...props} />
+);
+DialogHeader.displayName = 'DialogHeader';
+
+const DialogFooter = ({className, ...props}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn('flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2', className)} {...props} />
+);
+DialogFooter.displayName = 'DialogFooter';
+
+const DialogTitle = React.forwardRef<HTMLHeadingElement, React.HTMLAttributes<HTMLHeadingElement>>(({className, ...props}, ref) => (
+  <h2 ref={ref} className={cn('text-lg font-semibold leading-none tracking-tight', className)} {...props} />
+));
+DialogTitle.displayName = 'DialogTitle';
+
+const DialogDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(({className, ...props}, ref) => (
+  <p ref={ref} className={cn('text-sm text-muted-foreground', className)} {...props} />
+));
+DialogDescription.displayName = 'DialogDescription';
+
+export {Dialog, DialogTrigger, DialogContent, DialogHeader, DialogFooter, DialogTitle, DialogDescription};

frontend/src/components/ui/input.tsx

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+import * as React from 'react';
+import {cn} from '@/lib/utils';
+
+const Input = React.forwardRef<HTMLInputElement, React.InputHTMLAttributes<HTMLInputElement>>(({className, type, ...props}, ref) => {
+  return (
+    <input
+      type={type}
+      className={cn(
+        'flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50',
+        className
+      )}
+      ref={ref}
+      {...props}
+    />
+  );
+});
+Input.displayName = 'Input';
+
+export {Input};