refactor: Remove deprecated agent dashboard and message components, add FAQ page, and introduce a new generic messaging system.

src/app/(user)/user/message/page.tsx

@@ -0,0 +1,11 @@
+'use client';
+
+import { MessagingPage } from '@/components/message';
+
+export default function UserMessagePage() {
+  return (
+    <div className="max-w-7xl mx-auto px-4 lg:px-8 py-6">
+      <MessagingPage />
+    </div>
+  );
+}

src/app/(user)/user/profile/[id]/page.tsx

@@ -129,6 +129,7 @@ export default function AgentProfileView() {
             bio={agentData.bio}
             expertise={agentData.expertise}
             showEditButton={false}
+            messageHref="/user/message"
           />
 
           {/* Experience Section */}