feat(API): Inspection API 구현

- InspectionController 생성 (CRUD + stats + complete)
- InspectionService 생성 (비즈니스 로직)
- FormRequest 생성 (Store/Update/Complete)
- 라우트 등록 (7개 엔드포인트)
- i18n 메시지 추가 (message.php, error.php)

기존 inspections 테이블 및 Inspection 모델 활용

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

app/Http/Controllers/Api/V1/InspectionController.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Inspection\InspectionCompleteRequest;
+use App\Http\Requests\Inspection\InspectionStoreRequest;
+use App\Http\Requests\Inspection\InspectionUpdateRequest;
+use App\Services\InspectionService;
+use Illuminate\Http\Request;
+
+class InspectionController extends Controller
+{
+    public function __construct(private InspectionService $service) {}
+
+    /**
+     * 목록 조회
+     */
+    public function index(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->index($request->all());
+        }, __('message.inspection.fetched'));
+    }
+
+    /**
+     * 통계 조회
+     */
+    public function stats(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->stats($request->all());
+        }, __('message.inspection.fetched'));
+    }
+
+    /**
+     * 단건 조회
+     */
+    public function show(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->show($id);
+        }, __('message.inspection.fetched'));
+    }
+
+    /**
+     * 생성
+     */
+    public function store(InspectionStoreRequest $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->store($request->validated());
+        }, __('message.inspection.created'));
+    }
+
+    /**
+     * 수정
+     */
+    public function update(InspectionUpdateRequest $request, int $id)
+    {
+        return ApiResponse::handle(function () use ($request, $id) {
+            return $this->service->update($id, $request->validated());
+        }, __('message.inspection.updated'));
+    }
+
+    /**
+     * 삭제
+     */
+    public function destroy(int $id)
+    {
+        return ApiResponse::handle(function () use ($id) {
+            $this->service->destroy($id);
+
+            return 'success';
+        }, __('message.inspection.deleted'));
+    }
+
+    /**
+     * 검사 완료 처리
+     */
+    public function complete(InspectionCompleteRequest $request, int $id)
+    {
+        return ApiResponse::handle(function () use ($request, $id) {
+            return $this->service->complete($id, $request->validated());
+        }, __('message.inspection.completed'));
+    }
+}