Phase 0.2: migrate remaining SVGs to lucide-react icons

frontend/src/pages/PasswordResetRequest.tsx

@@ -7,6 +7,7 @@ import { z } from 'zod';
 import { usePasswordResetRequest } from '@/api/hooks';
 import { Button } from '@/components/ui/Button';
 import { Input } from '@/components/ui/Input';
+import { Check } from 'lucide-react';
 
 const resetRequestSchema = z.object({
   email: z.string().email(),
@@ -43,9 +44,7 @@ export function PasswordResetRequestPage() {
         <div className="w-full max-w-md">
           <div className="bg-white rounded-lg shadow-md p-8 text-center">
             <div className="mb-4 w-12 h-12 mx-auto rounded-full bg-success-100 flex items-center justify-center" aria-hidden="true">
-              <svg className="w-6 h-6 text-success-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-              </svg>
+              <Check className="w-6 h-6 text-success-600" strokeWidth={2} />
             </div>
             <p className="text-secondary-700 mb-6">{t('auth.resetRequestSuccess')}</p>
             <Link to="/login" className="text-sm text-primary-600 hover:text-primary-700">