feat: Implement value change logging functionality with models, traits, and migration; add tests for logging behavior and value change mapping

tests/Unit/Logging/ValueChangeTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\Unit\Logging;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Logging\Enums\ValueChangeActorType;
+use App\Domains\Logging\Models\ValueChange;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
+use Tests\TestCase;
+
+class ValueChangeTest extends TestCase
+{
+    public function test_value_change_maps_its_values_and_relations(): void
+    {
+        $valueChange = new ValueChange;
+        $valueChange->setRawAttributes([
+            'trackable_id' => '10',
+            'attribute' => 'status',
+            'old_value' => 'pending',
+            'new_value' => 'paid',
+            'changed_at' => '2026-08-03 15:30:00',
+            'actor_type' => ValueChangeActorType::User->value,
+            'user_id' => '20',
+        ]);
+
+        $this->assertSame('value_changes', $valueChange->getTable());
+        $this->assertFalse($valueChange->usesTimestamps());
+        $this->assertSame(10, $valueChange->trackable_id);
+        $this->assertSame('status', $valueChange->attribute);
+        $this->assertSame('pending', $valueChange->old_value);
+        $this->assertSame('paid', $valueChange->new_value);
+        $this->assertSame('2026-08-03 15:30:00', $valueChange->changed_at->format('Y-m-d H:i:s'));
+        $this->assertSame(ValueChangeActorType::User, $valueChange->actor_type);
+        $this->assertSame(20, $valueChange->user_id);
+        $this->assertInstanceOf(MorphTo::class, $valueChange->trackable());
+        $this->assertInstanceOf(User::class, $valueChange->user()->getRelated());
+    }
+}