refactor(core): enhance SDK structure and documentation

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

src/Data/NominalAccounts/Identification/UnidentifiedTransactionData.php

@@ -1,17 +1,32 @@
 <?php
+/*
+// MODULE_CONTRACT: Defines the data structure for a single unidentified transaction.
+// RESPONSIBILITY: To hold and type-safely represent the details of a transaction that requires further identification.
+// INPUTS: Raw JSON object from the API response.
+// OUTPUTS: A structured object containing unidentified transaction details.
+// LINKS: UnidentifiedTransactionCollectionData.php
+*/
 
 namespace Apoloz\AlfaBank\Data\NominalAccounts\Identification;
 
+// <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 an unidentified transaction.">
+// <BELIEF_STATE "This DTO provides a clear, type-safe contract for transactions awaiting identification, which is critical for their eventual processing.">
 class UnidentifiedTransactionData extends Data
 {
+    // <SECTION name="constructor_properties" intent="Define the properties of an unidentified transaction.">
+    // <BELIEF_STATE "The constructor includes core transaction details like `id`, `amount`, and optional fields such as `documentNumber`, `date`, `purpose`, and `payer` information. The `payer` field is itself a nested DTO, ensuring detailed payer information is structured.">
     public function __construct(
         public string $id,
         public string $amount,
         public ?string $documentNumber = null,
         public ?string $date = null,
         public ?string $purpose = null,
-        public ?PayerData $payer = null,
+        public ?PayerData $payer = null, // Nested DTO for payer details
     ) {}
+    // </SECTION>
 }