refactor: rename benchmark_cherrypick to benchmark_di, update paths, pubspec, imports, and documentation

benchmark_di/lib/benchmarks/universal_chain_async_benchmark.dart

@@ -0,0 +1,42 @@
+import 'package:benchmark_harness/benchmark_harness.dart';
+import 'package:benchmark_di/di_adapters/di_adapter.dart';
+import 'package:benchmark_di/scenarios/universal_chain_module.dart';
+import 'package:benchmark_di/scenarios/universal_service.dart';
+import 'package:benchmark_di/scenarios/di_universal_registration.dart';
+
+class UniversalChainAsyncBenchmark extends AsyncBenchmarkBase {
+  final DIAdapter di;
+  final int chainCount;
+  final int nestingDepth;
+  final UniversalBindingMode mode;
+
+  UniversalChainAsyncBenchmark(
+    this.di, {
+    this.chainCount = 1,
+    this.nestingDepth = 3,
+    this.mode = UniversalBindingMode.asyncStrategy,
+  }) : super('UniversalAsync: asyncChain/$mode CD=$chainCount/$nestingDepth');
+
+  @override
+  Future<void> setup() async {
+    di.setupDependencies(getUniversalRegistration(
+      di,
+      chainCount: chainCount,
+      nestingDepth: nestingDepth,
+      bindingMode: mode,
+      scenario: UniversalScenario.asyncChain,
+    ));
+    await di.waitForAsyncReady();
+  }
+
+  @override
+  Future<void> teardown() async {
+    di.teardown();
+  }
+
+  @override
+  Future<void> run() async {
+    final serviceName = '${chainCount}_$nestingDepth';
+    await di.resolveAsync<UniversalService>(named: serviceName);
+  }
+}