Remove Settings and Setup pages along with their tests and related API services

- Deleted Settings.tsx and Setup.tsx pages, which included functionality for changing passwords and setting up an admin account.
- Removed associated test files for Setup page.
- Eliminated API service definitions related to proxy hosts, remote servers, import functionality, and health checks.
- Cleaned up mock data and test setup files.
- Removed configuration files for TypeScript, Vite, and Tailwind CSS.
- Deleted scripts for testing coverage, release management, Dockerfile validation, and Python compilation checks.
- Removed Sourcery pre-commit wrapper script.

frontend/src/components/ui/Button.tsx

@@ -1,55 +0,0 @@
-import { ButtonHTMLAttributes, ReactNode } from 'react'
-import { clsx } from 'clsx'
-
-interface ButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
-  variant?: 'primary' | 'secondary' | 'danger' | 'ghost'
-  size?: 'sm' | 'md' | 'lg'
-  isLoading?: boolean
-  children: ReactNode
-}
-
-export function Button({
-  variant = 'primary',
-  size = 'md',
-  isLoading = false,
-  className,
-  children,
-  disabled,
-  ...props
-}: ButtonProps) {
-  const baseStyles = 'inline-flex items-center justify-center rounded-lg font-medium transition-colors focus:outline-none focus:ring-2 focus:ring-offset-2 disabled:opacity-50 disabled:cursor-not-allowed'
-
-  const variants = {
-    primary: 'bg-blue-600 text-white hover:bg-blue-700 focus:ring-blue-500',
-    secondary: 'bg-gray-700 text-white hover:bg-gray-600 focus:ring-gray-500',
-    danger: 'bg-red-600 text-white hover:bg-red-700 focus:ring-red-500',
-    ghost: 'text-gray-400 hover:text-white hover:bg-gray-800 focus:ring-gray-500',
-  }
-
-  const sizes = {
-    sm: 'px-3 py-1.5 text-sm',
-    md: 'px-4 py-2 text-sm',
-    lg: 'px-6 py-3 text-base',
-  }
-
-  return (
-    <button
-      className={clsx(
-        baseStyles,
-        variants[variant],
-        sizes[size],
-        className
-      )}
-      disabled={disabled || isLoading}
-      {...props}
-    >
-      {isLoading && (
-        <svg className="animate-spin -ml-1 mr-2 h-4 w-4 text-current" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
-          <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
-          <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
-        </svg>
-      )}
-      {children}
-    </button>
-  )
-}

frontend/src/components/ui/Card.tsx

@@ -1,31 +0,0 @@
-import { ReactNode } from 'react'
-import { clsx } from 'clsx'
-
-interface CardProps {
-  children: ReactNode
-  className?: string
-  title?: string
-  description?: string
-  footer?: ReactNode
-}
-
-export function Card({ children, className, title, description, footer }: CardProps) {
-  return (
-    <div className={clsx('bg-dark-card rounded-lg border border-gray-800 overflow-hidden', className)}>
-      {(title || description) && (
-        <div className="px-6 py-4 border-b border-gray-800">
-          {title && <h3 className="text-lg font-medium text-white">{title}</h3>}
-          {description && <p className="mt-1 text-sm text-gray-400">{description}</p>}
-        </div>
-      )}
-      <div className="p-6">
-        {children}
-      </div>
-      {footer && (
-        <div className="px-6 py-4 bg-gray-900/50 border-t border-gray-800">
-          {footer}
-        </div>
-      )}
-    </div>
-  )
-}

frontend/src/components/ui/Input.tsx

@@ -1,41 +0,0 @@
-import { InputHTMLAttributes, forwardRef } from 'react'
-import { clsx } from 'clsx'
-
-interface InputProps extends InputHTMLAttributes<HTMLInputElement> {
-  label?: string
-  error?: string
-  helperText?: string
-}
-
-export const Input = forwardRef<HTMLInputElement, InputProps>(
-  ({ label, error, helperText, className, ...props }, ref) => {
-    return (
-      <div className="w-full">
-        {label && (
-          <label className="block text-sm font-medium text-gray-300 mb-1.5">
-            {label}
-          </label>
-        )}
-        <input
-          ref={ref}
-          className={clsx(
-            'w-full bg-gray-900 border rounded-lg px-4 py-2 text-white placeholder-gray-500 focus:outline-none focus:ring-2 transition-colors',
-            error
-              ? 'border-red-500 focus:ring-red-500'
-              : 'border-gray-700 focus:ring-blue-500 focus:border-blue-500',
-            className
-          )}
-          {...props}
-        />
-        {error && (
-          <p className="mt-1 text-sm text-red-400">{error}</p>
-        )}
-        {helperText && !error && (
-          <p className="mt-1 text-sm text-gray-500">{helperText}</p>
-        )}
-      </div>
-    )
-  }
-)
-
-Input.displayName = 'Input'