feat: [생산관리] 중간검사 데이터 저장/조회 API 구현

- POST /work-orders/{id}/items/{itemId}/inspection: 품목별 검사 데이터 저장
- GET /work-orders/{id}/inspection-data: 전체 품목 검사 데이터 조회
- GET /work-orders/{id}/inspection-report: 검사 성적서용 데이터 조회
- WorkOrderItem 모델에 getInspectionData/setInspectionData 헬퍼 추가
- StoreItemInspectionRequest FormRequest 생성
- work_order_items.options['inspection_data']에 검사 결과 저장

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Http/Requests/WorkOrder/StoreItemInspectionRequest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Http\Requests\WorkOrder;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class StoreItemInspectionRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'process_type' => ['required', 'string', Rule::in([
+                'screen', 'slat', 'slat_jointbar', 'bending', 'bending_wip',
+            ])],
+            'inspection_data' => 'required|array',
+            'inspection_data.productName' => 'nullable|string|max:200',
+            'inspection_data.specification' => 'nullable|string|max:200',
+            'inspection_data.bendingStatus' => ['nullable', Rule::in(['good', 'bad'])],
+            'inspection_data.processingStatus' => ['nullable', Rule::in(['good', 'bad'])],
+            'inspection_data.sewingStatus' => ['nullable', Rule::in(['good', 'bad'])],
+            'inspection_data.assemblyStatus' => ['nullable', Rule::in(['good', 'bad'])],
+            'inspection_data.length' => 'nullable|numeric',
+            'inspection_data.width' => 'nullable|numeric',
+            'inspection_data.height1' => 'nullable|numeric',
+            'inspection_data.height2' => 'nullable|numeric',
+            'inspection_data.length3' => 'nullable|numeric',
+            'inspection_data.gap4' => 'nullable|numeric',
+            'inspection_data.gapStatus' => ['nullable', Rule::in(['ok', 'ng'])],
+            'inspection_data.gapPoints' => 'nullable|array',
+            'inspection_data.gapPoints.*.left' => 'nullable|numeric',
+            'inspection_data.gapPoints.*.right' => 'nullable|numeric',
+            'inspection_data.judgment' => ['nullable', Rule::in(['pass', 'fail'])],
+            'inspection_data.nonConformingContent' => 'nullable|string|max:1000',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'process_type.required' => __('validation.required', ['attribute' => '공정 유형']),
+            'process_type.in' => __('validation.in', ['attribute' => '공정 유형']),
+            'inspection_data.required' => __('validation.required', ['attribute' => '검사 데이터']),
+        ];
+    }
+}