feat: add data-testid attributes for form elements to improve testability

src/components/ui/input.tsx

@@ -4,6 +4,7 @@ import { cn } from "@/lib/utils"
 export interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {
   label?: string
   error?: string
+  'data-testid'?: string
 }
 
 const Input = React.forwardRef<HTMLInputElement, InputProps>(
@@ -27,6 +28,7 @@ const Input = React.forwardRef<HTMLInputElement, InputProps>(
           type={type}
           id={inputId}
           data-slot="input"
+          data-testid={props['data-testid']}
           className={cn(
             "file:text-foreground placeholder:text-[#8C8C8C] selection:bg-[#1C1C1C] selection:text-white h-14 min-h-[56px] w-full min-w-0 rounded-lg border border-[#E5E5E5] bg-[#FAFAFA] px-4 py-3 text-base text-[#1C1C1C] shadow-sm transition-all duration-300 outline-none file:inline-flex file:h-7 file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50 touch-manipulation md:h-12 md:min-h-[44px] md:py-2",
             "focus-visible:border-[#1C1C1C] focus-visible:ring-2 focus-visible:ring-[#1C1C1C]/50 focus-visible:shadow-lg focus-visible:shadow-[#1C1C1C]/20",
@@ -41,7 +43,7 @@ const Input = React.forwardRef<HTMLInputElement, InputProps>(
           {...props}
         />
         {error && (
-          <p id={errorId} className="mt-1 text-sm text-[#C41E3A]" role="alert">
+          <p id={errorId} className="mt-1 text-sm text-[#C41E3A]" role="alert" data-testid="error-message">
             {error}
           </p>
         )}