refactor(core): enhance SDK structure and documentation

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

tests/Feature/AffIntegrationTest.php

@@ -0,0 +1,34 @@
+<?php
+
+use Apoloz\AlfaBank\Core\AlfaBankConnector;
+use Apoloz\AlfaBank\Requests\Aff\CheckComplianceRequest;
+use Apoloz\AlfaBank\Requests\Aff\CreateRegisterRequest;
+use Saloon\Http\Faking\MockResponse;
+
+test('can check aff compliance', function () {
+    $mockClient = new \Saloon\Http\Faking\MockClient([
+        CheckComplianceRequest::class => MockResponse::make(['status' => 'APPROVED'], 200),
+    ]);
+
+    $config = createTestConfig();
+    $connector = new AlfaBankConnector($config);
+    $connector->withMockClient($mockClient);
+
+    $response = $connector->send(new CheckComplianceRequest('7700000000', 'Test LLC'));
+
+    expect($response->status())->toBe(200);
+});
+
+test('can create aff register', function () {
+    $mockClient = new \Saloon\Http\Faking\MockClient([
+        CreateRegisterRequest::class => MockResponse::make(['id' => 'AFF-123'], 200),
+    ]);
+
+    $config = createTestConfig();
+    $connector = new AlfaBankConnector($config);
+    $connector->withMockClient($mockClient);
+
+    $response = $connector->send(new CreateRegisterRequest(new \Apoloz\AlfaBank\Data\Aff\AffRegisterData([])));
+
+    expect($response->status())->toBe(200);
+});