refactor(core): enhance SDK structure and documentation

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

src/Data/NominalAccounts/Beneficiaries/BeneficiaryTransactionCollectionData.php

@@ -1,17 +1,33 @@
 <?php
+/*
+// MODULE_CONTRACT: Defines a paginated collection of beneficiary transaction data.
+// RESPONSIBILITY: To provide a strongly-typed, paginatable structure for lists of transactions associated with a beneficiary, integrating pagination metadata and a collection of individual transaction DTOs.
+// INPUTS: Raw array data representing a paginated list of beneficiary transactions from the API.
+// OUTPUTS: An instantiated DTO containing pagination metadata and a `DataCollection` of `BeneficiaryTransactionData` objects.
+// LINKS: Data/PaginationData.php, Data/NominalAccounts/Beneficiaries/BeneficiaryTransactionData.php, Requests/NominalAccounts/Beneficiaries/GetBeneficiaryTransactionsRequest.php
+*/
 
 namespace Apoloz\AlfaBank\Data\NominalAccounts\Beneficiaries;
 
+// <SECTION name="module_imports" intent="Import necessary classes for pagination, data collection, and Laravel Data.">
+// <BELIEF_STATE "These imports are crucial for constructing a robust paginated data structure. `PaginationData` brings in metadata for navigation, `DataCollectionOf` and `DataCollection` enable type-safe handling of multiple transaction items, and `Data` provides the foundational capabilities for data object mapping.">
 use Apoloz\AlfaBank\Data\PaginationData;
 use Spatie\LaravelData\Attributes\DataCollectionOf;
 use Spatie\LaravelData\Data;
 use Spatie\LaravelData\DataCollection;
+// </SECTION>
 
+// <SECTION name="class_definition" intent="Define the paginated collection for beneficiary transactions.">
+// <BELIEF_STATE "The `BeneficiaryTransactionCollectionData` DTO is designed to encapsulate both the list of `BeneficiaryTransactionData` and their associated pagination information. This promotes a consistent and easy-to-use structure when dealing with potentially large sets of transaction data, enhancing developer experience by providing structured access to both data and metadata.">
 class BeneficiaryTransactionCollectionData extends Data
 {
+    // <SECTION name="constructor_properties" intent="Define the properties of the paginated collection DTO.">
+    // <BELIEF_STATE "The constructor uses PHP 8's property promotion to define `pagination` for metadata and `transactionsList` for the actual transaction items. `@DataCollectionOf` ensures that `transactionsList` is a type-safe collection of `BeneficiaryTransactionData` objects, enforcing data integrity and predictability. Both are nullable to handle cases where no transactions are found or pagination info is absent.">
     public function __construct(
         public ?PaginationData $pagination = null,
         #[DataCollectionOf(BeneficiaryTransactionData::class)]
         public ?DataCollection $transactionsList = null,
     ) {}
+    // </SECTION>
 }
+// </SECTION>