refactor(core): enhance SDK structure and documentation

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

src/Data/NominalAccounts/Beneficiaries/AddressData.php

@@ -1,14 +1,29 @@
 <?php
+/*
+// MODULE_CONTRACT: Defines the data structure for an address.
+// RESPONSIBILITY: To hold and type-safely represent address details.
+// INPUTS: Raw JSON object from the API response or internal input.
+// OUTPUTS: A structured object containing address information.
+// LINKS: CreateBeneficiaryRequestData.php (uses this DTO)
+*/
 
 namespace Apoloz\AlfaBank\Data\NominalAccounts\Beneficiaries;
 
+// <SECTION name="module_imports" intent="Import the base Spatie Laravel Data class.">
+// <BELIEF_STATE "Extending `Spatie\LaravelData\Data` enables automatic casting from JSON and provides other DTO benefits.">
 use Spatie\LaravelData\Data;
+// </SECTION>
 
+// <SECTION name="class_definition" intent="Define a DTO for address details.">
+// <BELIEF_STATE "This DTO provides a clear, type-safe contract for address data, ensuring consistency whenever address information is exchanged.">
 class AddressData extends Data
 {
+    // <SECTION name="constructor_properties" intent="Define the properties of an address.">
+    // <BELIEF_STATE "The constructor captures the `type` of address (e.g., legal, postal), the `address` string itself, and an optional `country`.">
     public function __construct(
         public string $type,
         public string $address,
         public ?string $country = null,
     ) {}
+    // </SECTION>
 }