diff --git a/backend/app/Http/Requests/AddProductToCartRequest.php b/backend/app/Http/Requests/AddProductToCartRequest.php
index 12615f5..9611708 100644
--- a/backend/app/Http/Requests/AddProductToCartRequest.php
+++ b/backend/app/Http/Requests/AddProductToCartRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests;
 
+use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 
 class AddProductToCartRequest extends FormRequest
@@ -17,7 +18,7 @@ public function authorize(): bool
     /**
      * Get the validation rules that apply to the request.
      *
-     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     * @return array<string, ValidationRule|array<mixed>|string>
      */
     public function rules(): array
     {
diff --git a/backend/app/Http/Requests/RegisterUserRequest.php b/backend/app/Http/Requests/RegisterUserRequest.php
index d5db2cd..62d586c 100644
--- a/backend/app/Http/Requests/RegisterUserRequest.php
+++ b/backend/app/Http/Requests/RegisterUserRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests;
 
+use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rules\Password;
 
@@ -18,7 +19,7 @@ public function authorize(): bool
     /**
      * Get the validation rules that apply to the request.
      *
-     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     * @return array<string, ValidationRule|array<mixed>|string>
      */
     public function rules(): array
     {
diff --git a/backend/app/Http/Requests/RemoveProductFromCartRequest.php b/backend/app/Http/Requests/RemoveProductFromCartRequest.php
index d388f6d..df49cea 100644
--- a/backend/app/Http/Requests/RemoveProductFromCartRequest.php
+++ b/backend/app/Http/Requests/RemoveProductFromCartRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests;
 
+use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 
 class RemoveProductFromCartRequest extends FormRequest
@@ -17,7 +18,7 @@ public function authorize(): bool
     /**
      * Get the validation rules that apply to the request.
      *
-     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     * @return array<string, ValidationRule|array<mixed>|string>
      */
     public function rules(): array
     {
diff --git a/backend/app/Http/Requests/UpdateProductInCartRequest.php b/backend/app/Http/Requests/UpdateProductInCartRequest.php
index adbc4d9..0b24ba2 100644
--- a/backend/app/Http/Requests/UpdateProductInCartRequest.php
+++ b/backend/app/Http/Requests/UpdateProductInCartRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests;
 
+use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 
 class UpdateProductInCartRequest extends FormRequest
@@ -17,7 +18,7 @@ public function authorize(): bool
     /**
      * Get the validation rules that apply to the request.
      *
-     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     * @return array<string, ValidationRule|array<mixed>|string>
      */
     public function rules(): array
     {
diff --git a/backend/app/Http/Requests/UploadImageRequest.php b/backend/app/Http/Requests/UploadImageRequest.php
index c214fa9..dc193dc 100644
--- a/backend/app/Http/Requests/UploadImageRequest.php
+++ b/backend/app/Http/Requests/UploadImageRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests;
 
+use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 
 class UploadImageRequest extends FormRequest
@@ -17,7 +18,7 @@ public function authorize(): bool
     /**
      * Get the validation rules that apply to the request.
      *
-     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     * @return array<string, ValidationRule|array<mixed>|string>
      */
     public function rules(): array
     {
diff --git a/backend/app/Models/Cart.php b/backend/app/Models/Cart.php
index 5c7acc4..b208e7d 100644
--- a/backend/app/Models/Cart.php
+++ b/backend/app/Models/Cart.php
@@ -5,17 +5,20 @@
 use App\Enums\CartStatus;
 use Illuminate\Database\Eloquent\Attributes\Scope;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Carbon;
 
 /**
  * @property int $id
  * @property int $user_id
  * @property CartStatus $status
- * @property \Illuminate\Support\Carbon|null $created_at
- * @property \Illuminate\Support\Carbon|null $updated_at
- * @property-read \Illuminate\Database\Eloquent\Collection<int, \App\Models\Product> $products
+ * @property Carbon|null $created_at
+ * @property Carbon|null $updated_at
+ * @property-read Collection<int, Product> $products
  * @property-read int|null $products_count
- * @property-read \App\Models\User|null $user
+ * @property-read User|null $user
+ *
  * @method static Builder<static>|Cart active()
  * @method static Builder<static>|Cart newModelQuery()
  * @method static Builder<static>|Cart newQuery()
@@ -26,6 +29,7 @@
  * @method static Builder<static>|Cart whereUpdatedAt($value)
  * @method static Builder<static>|Cart whereUserId($value)
  * @method static Builder<static>|Cart withProducts()
+ *
  * @mixin \Eloquent
  */
 class Cart extends Model
diff --git a/backend/app/Models/Product.php b/backend/app/Models/Product.php
index fa8b40d..da9380d 100644
--- a/backend/app/Models/Product.php
+++ b/backend/app/Models/Product.php
@@ -4,10 +4,12 @@
 
 use Illuminate\Database\Eloquent\Attributes\Scope;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Carbon;
 use Illuminate\Support\Str;
 
 /**
@@ -18,16 +20,17 @@
  * @property numeric $actual_price
  * @property numeric $list_price
  * @property int $product_category_id
- * @property \Illuminate\Support\Carbon|null $created_at
- * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property Carbon|null $created_at
+ * @property Carbon|null $updated_at
  * @property bool $is_active
- * @property-read \Illuminate\Database\Eloquent\Collection<int, \App\Models\Cart> $carts
+ * @property-read Collection<int, Cart> $carts
  * @property-read int|null $carts_count
- * @property-read \App\Models\ProductCategory|null $category
- * @property-read \Illuminate\Database\Eloquent\Collection<int, \App\Models\User> $favoritedBy
+ * @property-read ProductCategory|null $category
+ * @property-read Collection<int, User> $favoritedBy
  * @property-read int|null $favorited_by_count
- * @property-read \Illuminate\Database\Eloquent\Collection<int, \App\Models\ProductImage> $images
+ * @property-read Collection<int, ProductImage> $images
  * @property-read int|null $images_count
+ *
  * @method static Builder<static>|Product active()
  * @method static Builder<static>|Product newModelQuery()
  * @method static Builder<static>|Product newQuery()
@@ -42,6 +45,7 @@
  * @method static Builder<static>|Product whereSlug($value)
  * @method static Builder<static>|Product whereTitle($value)
  * @method static Builder<static>|Product whereUpdatedAt($value)
+ *
  * @mixin \Eloquent
  */
 class Product extends Model
diff --git a/backend/app/Models/ProductCategory.php b/backend/app/Models/ProductCategory.php
index 1ed44a3..15f9184 100644
--- a/backend/app/Models/ProductCategory.php
+++ b/backend/app/Models/ProductCategory.php
@@ -3,13 +3,15 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Carbon;
 
 /**
  * @property int $id
  * @property string $name
  * @property string $slug
- * @property \Illuminate\Support\Carbon|null $created_at
- * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property Carbon|null $created_at
+ * @property Carbon|null $updated_at
+ *
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductCategory newModelQuery()
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductCategory newQuery()
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductCategory query()
@@ -18,6 +20,7 @@
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductCategory whereName($value)
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductCategory whereSlug($value)
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductCategory whereUpdatedAt($value)
+ *
  * @mixin \Eloquent
  */
 class ProductCategory extends Model
diff --git a/backend/app/Models/ProductImage.php b/backend/app/Models/ProductImage.php
index 15ff24e..b1284a6 100644
--- a/backend/app/Models/ProductImage.php
+++ b/backend/app/Models/ProductImage.php
@@ -4,14 +4,16 @@
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Carbon;
 
 /**
  * @property int $id
  * @property string $path
  * @property int $product_id
- * @property \Illuminate\Support\Carbon|null $created_at
- * @property \Illuminate\Support\Carbon|null $updated_at
- * @property-read \App\Models\Product|null $product
+ * @property Carbon|null $created_at
+ * @property Carbon|null $updated_at
+ * @property-read Product|null $product
+ *
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductImage newModelQuery()
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductImage newQuery()
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductImage query()
@@ -20,6 +22,7 @@
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductImage wherePath($value)
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductImage whereProductId($value)
  * @method static \Illuminate\Database\Eloquent\Builder<static>|ProductImage whereUpdatedAt($value)
+ *
  * @mixin \Eloquent
  */
 class ProductImage extends Model
diff --git a/backend/bootstrap/providers.php b/backend/bootstrap/providers.php
index 38b258d..fc94ae6 100644
--- a/backend/bootstrap/providers.php
+++ b/backend/bootstrap/providers.php
@@ -1,5 +1,7 @@
 <?php
 
+use App\Providers\AppServiceProvider;
+
 return [
-    App\Providers\AppServiceProvider::class,
+    AppServiceProvider::class,
 ];
diff --git a/backend/config/auth.php b/backend/config/auth.php
index 7d1eb0d..d7568ff 100644
--- a/backend/config/auth.php
+++ b/backend/config/auth.php
@@ -1,5 +1,7 @@
 <?php
 
+use App\Models\User;
+
 return [
 
     /*
@@ -62,7 +64,7 @@
     'providers' => [
         'users' => [
             'driver' => 'eloquent',
-            'model' => env('AUTH_MODEL', App\Models\User::class),
+            'model' => env('AUTH_MODEL', User::class),
         ],
 
         // 'users' => [
diff --git a/backend/config/database.php b/backend/config/database.php
index df933e7..64709ce 100644
--- a/backend/config/database.php
+++ b/backend/config/database.php
@@ -1,6 +1,7 @@
 <?php
 
 use Illuminate\Support\Str;
+use Pdo\Mysql;
 
 return [
 
@@ -59,7 +60,7 @@
             'strict' => true,
             'engine' => null,
             'options' => extension_loaded('pdo_mysql') ? array_filter([
-                (PHP_VERSION_ID >= 80500 ? \Pdo\Mysql::ATTR_SSL_CA : \PDO::MYSQL_ATTR_SSL_CA) => env('MYSQL_ATTR_SSL_CA'),
+                (PHP_VERSION_ID >= 80500 ? Mysql::ATTR_SSL_CA : PDO::MYSQL_ATTR_SSL_CA) => env('MYSQL_ATTR_SSL_CA'),
             ]) : [],
         ],
 
@@ -79,7 +80,7 @@
             'strict' => true,
             'engine' => null,
             'options' => extension_loaded('pdo_mysql') ? array_filter([
-                (PHP_VERSION_ID >= 80500 ? \Pdo\Mysql::ATTR_SSL_CA : \PDO::MYSQL_ATTR_SSL_CA) => env('MYSQL_ATTR_SSL_CA'),
+                (PHP_VERSION_ID >= 80500 ? Mysql::ATTR_SSL_CA : PDO::MYSQL_ATTR_SSL_CA) => env('MYSQL_ATTR_SSL_CA'),
             ]) : [],
         ],
 
diff --git a/backend/config/sanctum.php b/backend/config/sanctum.php
index 44527d6..cde73cf 100644
--- a/backend/config/sanctum.php
+++ b/backend/config/sanctum.php
@@ -1,5 +1,8 @@
 <?php
 
+use Illuminate\Cookie\Middleware\EncryptCookies;
+use Illuminate\Foundation\Http\Middleware\ValidateCsrfToken;
+use Laravel\Sanctum\Http\Middleware\AuthenticateSession;
 use Laravel\Sanctum\Sanctum;
 
 return [
@@ -76,9 +79,9 @@
     */
 
     'middleware' => [
-        'authenticate_session' => Laravel\Sanctum\Http\Middleware\AuthenticateSession::class,
-        'encrypt_cookies' => Illuminate\Cookie\Middleware\EncryptCookies::class,
-        'validate_csrf_token' => Illuminate\Foundation\Http\Middleware\ValidateCsrfToken::class,
+        'authenticate_session' => AuthenticateSession::class,
+        'encrypt_cookies' => EncryptCookies::class,
+        'validate_csrf_token' => ValidateCsrfToken::class,
     ],
 
 ];
diff --git a/backend/database/factories/UserFactory.php b/backend/database/factories/UserFactory.php
index 584104c..c4ceb07 100644
--- a/backend/database/factories/UserFactory.php
+++ b/backend/database/factories/UserFactory.php
@@ -2,12 +2,13 @@
 
 namespace Database\Factories;
 
+use App\Models\User;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Str;
 
 /**
- * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\User>
+ * @extends Factory<User>
  */
 class UserFactory extends Factory
 {
diff --git a/backend/tests/Pest.php b/backend/tests/Pest.php
index 60f04a4..3834758 100644
--- a/backend/tests/Pest.php
+++ b/backend/tests/Pest.php
@@ -1,5 +1,7 @@
 <?php
 
+use Tests\TestCase;
+
 /*
 |--------------------------------------------------------------------------
 | Test Case
@@ -11,7 +13,7 @@
 |
 */
 
-pest()->extend(Tests\TestCase::class)
+pest()->extend(TestCase::class)
  // ->use(Illuminate\Foundation\Testing\RefreshDatabase::class)
     ->in('Feature');