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/test/health_page_test.dart

@@ -1,32 +1,35 @@
 import 'package:fintracker_api/fintracker_api.dart';
 import 'package:fintracker_app/core/cache/cached.dart';
 import 'package:fintracker_app/features/health/health_page.dart';
-import 'package:fintracker_app/features/home/providers.dart' show dataQualityProvider;
+import 'package:fintracker_app/features/home/providers.dart'
+    show dataQualityProvider;
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 SourceStatus _source(String name) => SourceStatus(
-      source_: name,
-      lastRunStatus: RunStatus.ok,
-      lastRunAt: DateTime(2026, 9, 18, 10),
-      lastSuccessAt: DateTime(2026, 9, 18, 10),
-      cursor: null,
-      queued: false,
-    );
+  source_: name,
+  lastRunStatus: RunStatus.ok,
+  lastRunAt: DateTime(2026, 9, 18, 10),
+  lastSuccessAt: DateTime(2026, 9, 18, 10),
+  cursor: null,
+  queued: false,
+);
 
 DataQualityRow _issue() => DataQualityRow(
-      id: 1,
-      ref: null,
-      severity: 'warn',
-      checkName: 'missing_fx',
-      count: 3,
-      detail: 'Курс не найден для 3 операций.',
-      computedAt: DateTime(2026, 9, 18, 10),
-    );
+  id: 1,
+  ref: null,
+  severity: 'warn',
+  checkName: 'missing_fx',
+  count: 3,
+  detail: 'Курс не найден для 3 операций.',
+  computedAt: DateTime(2026, 9, 18, 10),
+);
 
 void main() {
-  testWidgets('shows sources on the first tab and findings on the second', (tester) async {
+  testWidgets('shows sources on the first tab and findings on the second', (
+    tester,
+  ) async {
     await tester.pumpWidget(
       ProviderScope(
         overrides: [
@@ -50,7 +53,9 @@ void main() {
     expect(find.text('Курс не найден для 3 операций.'), findsOneWidget);
   });
 
-  testWidgets('opens directly on the findings tab when initialTab is 1', (tester) async {
+  testWidgets('opens directly on the findings tab when initialTab is 1', (
+    tester,
+  ) async {
     await tester.pumpWidget(
       ProviderScope(
         overrides: [
@@ -72,7 +77,9 @@ void main() {
         overrides: [
           syncStatusProvider.overrideWith((ref) async => const []),
           syncRunsProvider.overrideWith((ref) async => const []),
-          dataQualityProvider.overrideWith((ref) => const Cached(<DataQualityRow>[])),
+          dataQualityProvider.overrideWith(
+            (ref) => const Cached(<DataQualityRow>[]),
+          ),
         ],
         child: const MaterialApp(home: HealthPage(initialTab: 1)),
       ),