feat(App): update Finlytic Flutter app UI and blocs

FinlyticApp/lib/features/discovery/cubit/discovery_cubit.dart

@@ -0,0 +1,53 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import '../../../core/network/api_client.dart';
+import '../models/discovery_asset_model.dart';
+
+class DiscoveryState extends Equatable {
+  final List<DiscoveryAssetModel> assets;
+  final bool isLoading;
+
+  const DiscoveryState({
+    this.assets = const [],
+    this.isLoading = false,
+  });
+
+  DiscoveryState copyWith({
+    List<DiscoveryAssetModel>? assets,
+    bool? isLoading,
+  }) {
+    return DiscoveryState(
+      assets: assets ?? this.assets,
+      isLoading: isLoading ?? this.isLoading,
+    );
+  }
+
+  @override
+  List<Object?> get props => [assets, isLoading];
+}
+
+class DiscoveryCubit extends Cubit<DiscoveryState> {
+  final ApiClient apiClient;
+
+  DiscoveryCubit({required this.apiClient}) : super(const DiscoveryState());
+
+  Future<void> loadDiscovery({int limit = 15}) async {
+    if (state.isLoading) return;
+    emit(state.copyWith(isLoading: true));
+
+    try {
+      final res = await apiClient.get('/api/v1/assets/discovery?limit=$limit');
+      if (res.statusCode == 200 && res.data is List) {
+        final list = (res.data as List)
+            .map((e) => DiscoveryAssetModel.fromJson(Map<String, dynamic>.from(e)))
+            .toList();
+
+        emit(DiscoveryState(assets: list, isLoading: false));
+      } else {
+        emit(state.copyWith(isLoading: false));
+      }
+    } catch (_) {
+      emit(state.copyWith(isLoading: false));
+    }
+  }
+}