feat: refactor agent filter sheet to support dynamic API-driven types and update professional card layout

lib/features/agents/presentation/screens/agent_search_screen.dart

@@ -96,6 +96,11 @@ class _AgentSearchScreenState extends ConsumerState<AgentSearchScreen> {
         onClearAll: () {
           ref.read(searchAgentsProvider.notifier).clearFilters();
         },
+        onListingTypeChange: (agentTypeId) {
+          ref
+              .read(searchAgentsProvider.notifier)
+              .filterByAgentType(agentTypeId);
+        },
       ),
     );
   }