feat: 공정관리 API 구현 (L-1)

- processes, process_classification_rules 테이블 마이그레이션
- Process, ProcessClassificationRule 모델 (BelongsToTenant, SoftDeletes)
- ProcessService: CRUD + 통계/옵션/상태토글
- ProcessController + FormRequest 검증
- API 라우트 등록 (/v1/processes)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/Http/Controllers/V1/ProcessController.php

@@ -0,0 +1,110 @@
+<?php
+
+namespace App\Http\Controllers\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\V1\Process\StoreProcessRequest;
+use App\Http\Requests\V1\Process\UpdateProcessRequest;
+use App\Services\ProcessService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ProcessController extends Controller
+{
+    public function __construct(
+        private readonly ProcessService $processService
+    ) {}
+
+    /**
+     * 공정 목록 조회
+     */
+    public function index(Request $request): JsonResponse
+    {
+        $params = $request->only(['page', 'size', 'q', 'status', 'process_type']);
+        $result = $this->processService->index($params);
+
+        return ApiResponse::handle($result, 'message.fetched');
+    }
+
+    /**
+     * 공정 상세 조회
+     */
+    public function show(int $id): JsonResponse
+    {
+        $result = $this->processService->show($id);
+
+        return ApiResponse::handle($result, 'message.fetched');
+    }
+
+    /**
+     * 공정 생성
+     */
+    public function store(StoreProcessRequest $request): JsonResponse
+    {
+        $result = $this->processService->store($request->validated());
+
+        return ApiResponse::handle($result, 'message.created', 201);
+    }
+
+    /**
+     * 공정 수정
+     */
+    public function update(UpdateProcessRequest $request, int $id): JsonResponse
+    {
+        $result = $this->processService->update($id, $request->validated());
+
+        return ApiResponse::handle($result, 'message.updated');
+    }
+
+    /**
+     * 공정 삭제
+     */
+    public function destroy(int $id): JsonResponse
+    {
+        $this->processService->destroy($id);
+
+        return ApiResponse::handle(null, 'message.deleted');
+    }
+
+    /**
+     * 공정 일괄 삭제
+     */
+    public function destroyMany(Request $request): JsonResponse
+    {
+        $ids = $request->input('ids', []);
+        $count = $this->processService->destroyMany($ids);
+
+        return ApiResponse::handle(['deleted_count' => $count], 'message.deleted');
+    }
+
+    /**
+     * 공정 상태 토글
+     */
+    public function toggleActive(int $id): JsonResponse
+    {
+        $result = $this->processService->toggleActive($id);
+
+        return ApiResponse::handle($result, 'message.updated');
+    }
+
+    /**
+     * 공정 옵션 목록 (드롭다운용)
+     */
+    public function options(): JsonResponse
+    {
+        $result = $this->processService->options();
+
+        return ApiResponse::handle($result, 'message.fetched');
+    }
+
+    /**
+     * 공정 통계
+     */
+    public function stats(): JsonResponse
+    {
+        $result = $this->processService->getStats();
+
+        return ApiResponse::handle($result, 'message.fetched');
+    }
+}