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/transaction_row_test.dart

@@ -5,33 +5,35 @@ import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 TransactionOut _usdExpense() => TransactionOut(
-      categoryId: 1,
-      comment: null,
-      date: DateTime(2026, 9, 10),
-      deleted: false,
-      flowType: FlowType.expense,
-      hold: false,
-      id: 1,
-      income: '0',
-      incomeAccountId: null,
-      incomeCurrency: null,
-      incomeRub: null,
-      isOneOff: false,
-      mcc: null,
-      outcome: '100',
-      outcomeAccountId: 7,
-      outcomeCurrency: 'USD',
-      outcomeRub: '9500.00',
-      payee: 'Amazon.com',
-      payeeCanonical: 'Amazon',
-      sourceId: 'src-1',
-      tags: const [],
-      tripId: null,
-      ts: DateTime(2026, 9, 10),
-    );
+  categoryId: 1,
+  comment: null,
+  date: DateTime(2026, 9, 10),
+  deleted: false,
+  flowType: FlowType.expense,
+  hold: false,
+  id: 1,
+  income: '0',
+  incomeAccountId: null,
+  incomeCurrency: null,
+  incomeRub: null,
+  isOneOff: false,
+  mcc: null,
+  outcome: '100',
+  outcomeAccountId: 7,
+  outcomeCurrency: 'USD',
+  outcomeRub: '9500.00',
+  payee: 'Amazon.com',
+  payeeCanonical: 'Amazon',
+  sourceId: 'src-1',
+  tags: const [],
+  tripId: null,
+  ts: DateTime(2026, 9, 10),
+);
 
 void main() {
-  testWidgets('shows a USD amount with its RUB equivalent as secondary text', (tester) async {
+  testWidgets('shows a USD amount with its RUB equivalent as secondary text', (
+    tester,
+  ) async {
     await tester.pumpWidget(
       MaterialApp(
         home: Scaffold(