feat: Implement product and product category management with dedicated CRUD operations, services, and repositories.

app/Http/Requests/Product/UpdateProductRequest.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Requests\Product;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateProductRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        // Based on existing controller logic, update rules are similar but allow optional fields if strictly updating parameters
+        // However, standard update often requires validating presence if they are being updated.
+        // Controller used specific rules.
+        
+        // We need to fetch the product to know its type if 'type_id' is not in request (usually it is in hidden field).
+        // Assuming type_id is present in update form as per Controller logic.
+        
+        $rules = [
+            'name' => ['required', 'string', 'max:255'],
+            'price' => ['required', 'numeric', 'min:0'],
+            'product_id' => ['required', 'exists:products,id'],
+        ];
+        
+        $typeId = (int) $this->input('type_id');
+        
+        if ($typeId === 4) { // VPS
+             $rules = array_merge($rules, [
+                'cpu' => ['required'],
+                'ram' => ['required'],
+                'disk' => ['required'],
+            ]);
+        }
+        
+        return $rules;
+    }
+}