chore(app): сгенерированный Dart-клиент из OpenAPI

openapi-generator-cli -g dart-dio. Генерируется, но коммитится: CI ловит дрейф
openapi/openapi.json, а приложение собирается без запуска генератора.
Пересобирается через just gen-client после любого изменения роутов.

app/packages/api_client/doc/NetWorthBreakdown.md

@@ -0,0 +1,23 @@
+# fintracker_api.model.NetWorthBreakdown
+
+## Load the model package
+```dart
+import 'package:fintracker_api/api.dart';
+```
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**accounts** | [**List<AccountBalance>**](AccountBalance.md) |  | 
+**byCurrency** | **Map<String, String>** |  | 
+**d** | [**DateTime**](DateTime.md) |  | 
+**debtRub** | **String** | decimal as string | 
+**investmentRub** | **String** | decimal as string | 
+**liquidRub** | **String** | decimal as string | 
+**missingFxCount** | **int** |  | 
+**savingsRub** | **String** | decimal as string | 
+**totalRub** | **String** | decimal as string | 
+
+[[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)
+
+