refactor(structure): move benchmarks, scenarios, adapters, utils to dedicated folders; update imports/project layout

benchmark_cherrypick/lib/scenarios/chain_factory_module.dart

@@ -0,0 +1,42 @@
+// === DI graph: A -> B -> C (factory/no singleton) ===
+import 'package:cherrypick/cherrypick.dart';
+
+import 'service.dart';
+import 'service_impl.dart';
+
+class ChainFactoryModule extends Module {
+  // количество независимых цепочек
+  final int chainCount;
+
+  // глубина вложенности
+  final int nestingDepth;
+
+  ChainFactoryModule({
+    required this.chainCount,
+    required this.nestingDepth,
+  });
+
+  @override
+  void builder(Scope currentScope) {
+    for (var chainIndex = 0; chainIndex < chainCount; chainIndex++) {
+      for (var levelIndex = 0; levelIndex < nestingDepth; levelIndex++) {
+        final chain = chainIndex + 1;
+        final level = levelIndex + 1;
+
+        final prevDepName = '${chain.toString()}_${(level - 1).toString()}';
+        final depName = '${chain.toString()}_${level.toString()}';
+
+        bind<Service>()
+            .toProvide(
+              () => ServiceImpl(
+                value: depName,
+                dependency: currentScope.tryResolve<Service>(
+                  named: prevDepName,
+                ),
+              ),
+            )
+            .withName(depName);
+      }
+    }
+  }
+}