auto-claude: subtask-1-1 - Import and integrate rate limiting into LoginForm.

- Added rateLimiter import from utils/rateLimiting
- Integrated rate limiting check before auth attempt
- Follows ContactForm.tsx pattern exactly
- Checks isRateLimited() and throws error with time to reset

src/components/auth/LoginForm.tsx

@@ -5,6 +5,7 @@ import { useRouter } from 'next/navigation';
 import { Lock, Loader2 } from 'lucide-react';
 import { useTranslations, useLocale } from 'next-intl';
 import { createClient } from '@/lib/supabase/client';
+import { rateLimiter } from '../../utils/rateLimiting';
 
 export default function LoginForm() {
   const t = useTranslations('login');
@@ -21,6 +22,13 @@ export default function LoginForm() {
     setError(null);
 
     try {
+      // Check rate limiting
+      const clientIp = '127.0.0.1'; // In production, get this from the request
+      if (rateLimiter.isRateLimited(clientIp)) {
+        const timeToReset = Math.ceil(rateLimiter.getTimeToReset(clientIp) / 1000 / 60);
+        throw new Error(`Too many attempts. Please try again in ${timeToReset} minutes.`);
+      }
+
       const supabase = createClient();
       const { error } = await supabase.auth.signInWithPassword({
         email,