feat: Implement VNPAY callback redirection to frontend and add UUID/public code to transactions.

database/migrations/2024_05_13_165053_transaction.php

@@ -9,6 +9,7 @@ return new class extends Migration {
     {
         Schema::create('transactions', function (Blueprint $table) {
             $table->id();
+            $table->uuid();
             $table->string('trans')->nullable();
             $table->integer('amount')->nullable();
 

database/migrations/2026_02_19_000000_add_uuid_to_transactions_table.php

@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up()
+    {
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->uuid('uuid')->unique()->nullable()->after('id');
+            $table->string('public_code')->unique()->nullable()->after('uuid');
+        });
+    }
+
+    public function down()
+    {
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->dropColumn(['uuid', 'public_code']);
+        });
+    }
+};