fix : 컨트롤러 검증 → FormRequest 분리

app/Http/Requests/Design/BomTemplate/ReplaceItemsRequest.php

@@ -0,0 +1,28 @@
+<?php
+namespace App\Http\Requests\Design\BomTemplate;
+
+use Illuminate\Foundation\Http\FormRequest;
+use App\Support\Validation\BomItemRules;
+
+class ReplaceItemsRequest extends FormRequest
+{
+    public function authorize(): bool { return true; }
+
+    public function rules(): array
+    {
+        $itemRules = collect(BomItemRules::base())
+            ->mapWithKeys(fn($rule, $key) => ["items.*.$key" => $rule])
+            ->all();
+
+        return ['items' => 'required|array|min:1'] + $itemRules;
+    }
+
+    public function messages(): array
+    {
+        return [
+            'items.required' => __('validation.required', ['attribute' => 'items']),
+            'items.array'    => __('validation.array', ['attribute' => 'items']),
+            'items.min'      => __('validation.min.array', ['attribute' => 'items', 'min' => 1]),
+        ];
+    }
+}