feat: 근태관리/직원관리 API 구현

- AttendanceController, AttendanceService 추가
- EmployeeController, EmployeeService 추가
- Attendance 모델 및 마이그레이션 추가
- TenantUserProfile에 employee_status 컬럼 추가
- DepartmentService 트리 조회 기능 개선
- Swagger 문서 추가 (AttendanceApi, EmployeeApi)
- API 라우트 등록

app/Http/Requests/Employee/UpdateRequest.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Http\Requests\Employee;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class UpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        $employeeId = $this->route('id');
+
+        return [
+            // users 테이블 필드
+            'name' => 'nullable|string|max:100',
+            'email' => [
+                'nullable',
+                'email',
+                'max:255',
+                Rule::unique('users', 'email')->ignore($this->getOriginalUserId()),
+            ],
+            'phone' => 'nullable|string|max:20',
+            'is_active' => 'nullable|boolean',
+
+            // tenant_user_profiles 테이블 필드
+            'department_id' => 'nullable|integer|exists:departments,id',
+            'position_key' => 'nullable|string|max:50',
+            'job_title_key' => 'nullable|string|max:50',
+            'work_location_key' => 'nullable|string|max:50',
+            'employment_type_key' => 'nullable|string|max:50',
+            'employee_status' => 'nullable|in:active,leave,resigned',
+            'manager_user_id' => 'nullable|integer|exists:users,id',
+            'profile_photo_path' => 'nullable|string|max:255',
+            'display_name' => 'nullable|string|max:100',
+
+            // json_extra 필드
+            'employee_code' => 'nullable|string|max:50',
+            'resident_number' => 'nullable|string|max:255',
+            'gender' => 'nullable|in:male,female',
+            'address' => 'nullable|array',
+            'address.zipCode' => 'nullable|string|max:10',
+            'address.address1' => 'nullable|string|max:255',
+            'address.address2' => 'nullable|string|max:255',
+            'salary' => 'nullable|numeric|min:0',
+            'hire_date' => 'nullable|date',
+            'rank' => 'nullable|string|max:50',
+            'bank_account' => 'nullable|array',
+            'bank_account.bankName' => 'nullable|string|max:50',
+            'bank_account.accountNumber' => 'nullable|string|max:50',
+            'bank_account.accountHolder' => 'nullable|string|max:50',
+            'work_type' => 'nullable|in:regular,daily,temporary,external',
+            'contract_info' => 'nullable|array',
+            'contract_info.start_date' => 'nullable|date',
+            'contract_info.end_date' => 'nullable|date',
+            'contract_info.external_company' => 'nullable|string|max:100',
+        ];
+    }
+
+    /**
+     * 현재 사원 프로필의 user_id 가져오기
+     */
+    private function getOriginalUserId(): ?int
+    {
+        $employeeId = $this->route('id');
+        if (! $employeeId) {
+            return null;
+        }
+
+        $profile = \App\Models\Tenants\TenantUserProfile::find($employeeId);
+
+        return $profile?->user_id;
+    }
+}