feat(frontend): request logs; refactor frontend components

frontend/src/components/ui/Button.tsx

@@ -0,0 +1,41 @@
+import { Component, JSX, splitProps } from 'solid-js';
+import { cva, type VariantProps } from 'class-variance-authority';
+
+const buttonVariants = cva(
+  'inline-flex items-center justify-center rounded-md text-sm font-medium transition-colors focus:outline-none focus:ring-2 focus:ring-indigo-500 disabled:opacity-50 disabled:cursor-not-allowed',
+  {
+    variants: {
+      variant: {
+        primary: 'bg-indigo-600 text-white hover:bg-indigo-700',
+        secondary: 'bg-white text-gray-700 border border-gray-300 hover:bg-gray-50',
+        danger: 'bg-red-600 text-white hover:bg-red-700',
+        success: 'bg-green-600 text-white hover:bg-green-700',
+        ghost: 'text-indigo-600 hover:text-indigo-900',
+        link: 'text-red-600 hover:text-red-900',
+      },
+      size: {
+        sm: 'px-3 py-1',
+        md: 'px-4 py-2',
+        lg: 'w-full px-4 py-2',
+      },
+    },
+    defaultVariants: {
+      variant: 'primary',
+      size: 'md',
+    },
+  }
+);
+
+export interface ButtonProps extends JSX.ButtonHTMLAttributes<HTMLButtonElement>, VariantProps<typeof buttonVariants> {}
+
+const Button: Component<ButtonProps> = (props) => {
+  const [local, others] = splitProps(props, ['variant', 'size', 'class']);
+  return (
+    <button
+      class={buttonVariants({ variant: local.variant, size: local.size, class: local.class })}
+      {...others}
+    />
+  );
+};
+
+export { Button, buttonVariants };