feat: integrate agent edit profile screen as an embedded tab in profile settings and restrict agent connection actions to non-agent users

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

@@ -71,7 +71,11 @@ class _EditProfileData {
 // ---------------------------------------------------------------------------
 
 class AgentEditProfileScreen extends ConsumerStatefulWidget {
-  const AgentEditProfileScreen({super.key});
+  /// When true, omits the in-screen back button + title row so this widget can
+  /// be embedded inside another shell (e.g. a tab in ProfileSettingsScreen).
+  final bool embedded;
+
+  const AgentEditProfileScreen({super.key, this.embedded = false});
 
   @override
   ConsumerState<AgentEditProfileScreen> createState() =>
@@ -433,6 +437,10 @@ class _AgentEditProfileScreenState
   Widget build(BuildContext context) {
     final asyncData = ref.watch(_editProfileDataProvider);
 
+    if (widget.embedded) {
+      return _buildBody(asyncData);
+    }
+
     return Column(
       children: [
         // Header with back button