chore(app): сгенерированный Dart-клиент

just gen-client — покрывает links, cashflow-broker, ручные цены,
imports/pending, goals/income/rebalance/tax/benchmarks.

app/packages/api_client/test/benchmarks_api_test.dart

@@ -0,0 +1,50 @@
+import 'package:test/test.dart';
+import 'package:fintracker_api/fintracker_api.dart';
+
+
+/// tests for BenchmarksApi
+void main() {
+  final instance = FintrackerApi().getBenchmarksApi();
+
+  group(BenchmarksApi, () {
+    // Benchmarks
+    //
+    // The portfolio's TWR beside each benchmark's, on the same grid of days.  `days_skipped` is returned on both sides and is not cosmetic: a non-zero value on either means the two chains did not cover the same days, and the difference is then an approximation of an excess return rather than one.
+    //
+    //Future<BenchmarkComparison> benchmarksBenchmarks({ String scope, List<String?> period }) async
+    test('test benchmarksBenchmarks', () async {
+      // TODO
+    });
+
+    // Create
+    //
+    //Future<BenchmarkOut> benchmarksCreate(BenchmarkCreate benchmarkCreate) async
+    test('test benchmarksCreate', () async {
+      // TODO
+    });
+
+    // Delete
+    //
+    //Future benchmarksDelete(int benchmarkId) async
+    test('test benchmarksDelete', () async {
+      // TODO
+    });
+
+    // List
+    //
+    // Every benchmark, defaults first — the order the comparison block shows them in.
+    //
+    //Future<List<BenchmarkOut>> benchmarksList() async
+    test('test benchmarksList', () async {
+      // TODO
+    });
+
+    // Patch
+    //
+    //Future<BenchmarkOut> benchmarksPatch(int benchmarkId, BenchmarkPatch benchmarkPatch) async
+    test('test benchmarksPatch', () async {
+      // TODO
+    });
+
+  });
+}