fix(web): update search, listing, and map components

Improve agent profile client, comparison table, image gallery/upload,
listing map, filter bar, property card, and search results components
with better error handling, type safety, and UX refinements.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/web/components/agents/agent-profile-client.tsx

@@ -18,6 +18,7 @@ import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { Link } from '@/i18n/navigation';
 import type { AgentPublicProfile, AgentReviewItem } from '@/lib/agents-api';
 import { formatPrice } from '@/lib/currency';
+import { shimmerBlurDataURL } from '@/lib/image-blur';
 
 // ---------------------------------------------------------------------------
 // Props
@@ -340,6 +341,8 @@ function ListingCard({ listing }: { listing: AgentPublicProfile['activeListings'
               fill
               className="object-cover transition-transform group-hover:scale-105"
               sizes="(max-width: 640px) 100vw, 50vw"
+              placeholder="blur"
+              blurDataURL={shimmerBlurDataURL()}
             />
           ) : (
             <div className="flex h-full items-center justify-center">