refactor(core): enhance SDK structure and documentation

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

src/Data/NominalAccounts/BeneficiaryCollectionData.php

@@ -1,18 +1,33 @@
 <?php
+/*
+// MODULE_CONTRACT: Represents a paginated collection of BeneficiaryData objects.
+// RESPONSIBILITY: To provide a structured, type-safe container for lists of beneficiaries returned by the API, including pagination metadata.
+// INPUTS: Raw JSON array from the API response.
+// OUTPUTS: An object containing pagination details and a collection of `BeneficiaryData`.
+// LINKS: Requests/NominalAccounts/Beneficiaries/GetBeneficiariesRequest.php
+*/
 
 namespace Apoloz\AlfaBank\Data\NominalAccounts;
 
+// <SECTION name="module_imports" intent="Import necessary DTOs and Spatie Laravel Data components.">
+// <BELIEF_STATE "This collection DTO relies on `PaginationData` for metadata and `BeneficiaryData` for the individual items. `DataCollection` and `DataCollectionOf` are Spatie Data features for handling typed arrays of DTOs.">
 use Apoloz\AlfaBank\Data\PaginationData;
-use Spatie\LaravelData\Data;
 use Spatie\LaravelData\Attributes\DataCollectionOf;
+use Spatie\LaravelData\Data;
 use Spatie\LaravelData\DataCollection;
+// </SECTION>
 
+// <SECTION name="class_definition" intent="Define a DTO for a collection of beneficiaries.">
+// <BELIEF_STATE "A dedicated DTO for a collection ensures that the structure of paginated lists is consistent and type-safe, providing a reliable contract for consumers.">
 class BeneficiaryCollectionData extends Data
 {
+    // <SECTION name="constructor_properties" intent="Define the properties of the beneficiary collection.">
+    // <BELIEF_STATE "The collection structure includes pagination metadata (`pagination`), the associated `accountNumber`, and the actual list of beneficiaries (`beneficiaries`). The `#[DataCollectionOf(BeneficiaryData::class)]` attribute is crucial for ensuring that each item in the `beneficiaries` array is automatically cast to a `BeneficiaryData` DTO.">
     public function __construct(
         public PaginationData $pagination,
         public string $accountNumber,
         #[DataCollectionOf(BeneficiaryData::class)]
         public DataCollection $beneficiaries
     ) {}
+    // </SECTION>
 }