feat: implement deposit request validation and transaction API, refactor client routes, and update transaction schema.

app/Enums/TransactionStatus.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Enums;
+
+enum TransactionStatus: int
+{
+    case PENDING = 0;
+    case COMPLETED = 1;
+    case FAILED = 2;
+
+    public function label(): string
+    {
+        return match ($this) {
+            self::PENDING => 'Chờ xử lý',
+            self::COMPLETED => 'Thành công',
+            self::FAILED => 'Thất bại',
+        };
+    }
+
+    public static function getOptions(): array
+    {
+        return [
+            self::PENDING->value => self::PENDING->label(),
+            self::COMPLETED->value => self::COMPLETED->label(),
+            self::FAILED->value => self::FAILED->label(),
+        ];
+    }
+}