style(app): остальные экраны под новый визуальный язык и форматирование

Доходы, ребалансировка, налоги, импорт, цели, здоровье данных, правила, транзакции, категории, cashflow, pending: новые виджеты и токены темы, dart format. Тесты подстроены под новые модели.

app/lib/features/imports/providers.dart

@@ -6,13 +6,17 @@ import '../home/providers.dart';
 import '../portfolio/providers.dart';
 import 'data/imports_api.dart';
 
-final importsApiProvider = Provider<ImportsApi>((ref) => ImportsApi(ref.watch(apiProvider).dio));
+final importsApiProvider = Provider<ImportsApi>(
+  (ref) => ImportsApi(ref.watch(apiProvider).dio),
+);
 
 /// The list on `/imports`. Not auto-disposed by status: the filter is a separate provider so
 /// changing it refetches without rebuilding the page state.
 final importsStatusFilterProvider = StateProvider<String?>((ref) => null);
 
-final importsListProvider = FutureProvider.autoDispose<List<ImportPreview>>((ref) async {
+final importsListProvider = FutureProvider.autoDispose<List<ImportPreview>>((
+  ref,
+) async {
   final status = ref.watch(importsStatusFilterProvider);
   return ref.watch(importsApiProvider).list(status: status);
 });
@@ -20,10 +24,10 @@ final importsListProvider = FutureProvider.autoDispose<List<ImportPreview>>((ref
 /// A single import's preview. For an uncommitted import the server recomputes counts and
 /// reconciliation on every read, so this is deliberately re-fetched rather than cached from
 /// the list response.
-final importPreviewProvider =
-    FutureProvider.autoDispose.family<ImportPreview, int>((ref, id) async {
-  return ref.watch(importsApiProvider).get(id);
-});
+final importPreviewProvider = FutureProvider.autoDispose
+    .family<ImportPreview, int>((ref, id) async {
+      return ref.watch(importsApiProvider).get(id);
+    });
 
 /// Everything whose numbers change once events land in (or move inside) the ledger:
 /// portfolio, holdings, allocation, the value series, the dashboard and the event list.