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/rules/providers.dart

@@ -5,17 +5,27 @@ import '../../core/api/api_client.dart';
 import '../../core/cache/cached.dart';
 
 /// See `docs/ai/offline-cache.md`.
-final rulesListProvider = FutureProvider.autoDispose<Cached<List<RuleOut>>>((ref) async {
+final rulesListProvider = FutureProvider.autoDispose<Cached<List<RuleOut>>>((
+  ref,
+) async {
   final r = await ref.watch(apiProvider).getRulesApi().rulesList();
-  return Cached(r.data ?? const [], fetchedAt: r.extra['fetchedAt'] as DateTime?);
+  return Cached(
+    r.data ?? const [],
+    fetchedAt: r.extra['fetchedAt'] as DateTime?,
+  );
 });
 
 /// Enabled rules that matched nothing in the latest refresh — «устарело» here is a business
 /// concept (the rule looks dead), unrelated to the offline-cache staleness this file also
 /// tracks; both happen to be named "stale" in their own domains.
-final rulesStaleProvider = FutureProvider.autoDispose<Cached<List<RuleOut>>>((ref) async {
+final rulesStaleProvider = FutureProvider.autoDispose<Cached<List<RuleOut>>>((
+  ref,
+) async {
   final r = await ref.watch(apiProvider).getRulesApi().rulesStale();
-  return Cached(r.data ?? const [], fetchedAt: r.extra['fetchedAt'] as DateTime?);
+  return Cached(
+    r.data ?? const [],
+    fetchedAt: r.extra['fetchedAt'] as DateTime?,
+  );
 });
 
 final staleRuleIdsProvider = Provider.autoDispose<Set<int>>((ref) {