diff --git a/app/Http/Controllers/Api/V1/AttendanceController.php b/app/Http/Controllers/Api/V1/AttendanceController.php
new file mode 100644
index 0000000..fcbfc02
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/AttendanceController.php
@@ -0,0 +1,124 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Attendance\CheckInRequest;
+use App\Http\Requests\Attendance\CheckOutRequest;
+use App\Http\Requests\Attendance\IndexRequest;
+use App\Http\Requests\Attendance\MonthlyStatsRequest;
+use App\Http\Requests\Attendance\StoreRequest;
+use App\Http\Requests\Attendance\UpdateRequest;
+use App\Services\AttendanceService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class AttendanceController extends Controller
+{
+    public function __construct(private AttendanceService $service) {}
+
+    /**
+     * 근태 목록 조회
+     * GET /v1/attendances
+     */
+    public function index(IndexRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->index($request->validated());
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 근태 상세 조회
+     * GET /v1/attendances/{id}
+     */
+    public function show(int $id): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->show($id);
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 근태 등록
+     * POST /v1/attendances
+     */
+    public function store(StoreRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->store($request->validated());
+        }, __('message.created'));
+    }
+
+    /**
+     * 근태 수정
+     * PATCH /v1/attendances/{id}
+     */
+    public function update(int $id, UpdateRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($id, $request) {
+            return $this->service->update($id, $request->validated());
+        }, __('message.updated'));
+    }
+
+    /**
+     * 근태 삭제
+     * DELETE /v1/attendances/{id}
+     */
+    public function destroy(int $id): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->destroy($id);
+        }, __('message.deleted'));
+    }
+
+    /**
+     * 근태 일괄 삭제
+     * POST /v1/attendances/bulk-delete
+     */
+    public function bulkDelete(Request $request): JsonResponse
+    {
+        $request->validate([
+            'ids' => 'required|array|min:1',
+            'ids.*' => 'integer|min:1',
+        ]);
+
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->bulkDelete($request->input('ids'));
+        }, __('message.bulk_deleted'));
+    }
+
+    /**
+     * 출근 기록 (체크인)
+     * POST /v1/attendances/check-in
+     */
+    public function checkIn(CheckInRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->checkIn($request->validated());
+        }, __('message.created'));
+    }
+
+    /**
+     * 퇴근 기록 (체크아웃)
+     * POST /v1/attendances/check-out
+     */
+    public function checkOut(CheckOutRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->checkOut($request->validated());
+        }, __('message.updated'));
+    }
+
+    /**
+     * 월간 통계 조회
+     * GET /v1/attendances/monthly-stats
+     */
+    public function monthlyStats(MonthlyStatsRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->monthlyStats($request->validated());
+        }, __('message.fetched'));
+    }
+}
diff --git a/app/Http/Controllers/Api/V1/DepartmentController.php b/app/Http/Controllers/Api/V1/DepartmentController.php
index 00b4ae0..682295b 100644
--- a/app/Http/Controllers/Api/V1/DepartmentController.php
+++ b/app/Http/Controllers/Api/V1/DepartmentController.php
@@ -19,6 +19,14 @@ public function index(Request $request)
         }, '부서 목록 조회');
     }
 
+    // GET /v1/departments/tree
+    public function tree(Request $request)
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->tree($request->all());
+        }, '부서 트리 조회');
+    }
+
     // POST /v1/departments
     public function store(Request $request)
     {
diff --git a/app/Http/Controllers/Api/V1/EmployeeController.php b/app/Http/Controllers/Api/V1/EmployeeController.php
new file mode 100644
index 0000000..5f1a4f7
--- /dev/null
+++ b/app/Http/Controllers/Api/V1/EmployeeController.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Helpers\ApiResponse;
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Employee\IndexRequest;
+use App\Http\Requests\Employee\StoreRequest;
+use App\Http\Requests\Employee\UpdateRequest;
+use App\Services\EmployeeService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class EmployeeController extends Controller
+{
+    public function __construct(private EmployeeService $service) {}
+
+    /**
+     * 사원 목록 조회
+     * GET /v1/employees
+     */
+    public function index(IndexRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->index($request->validated());
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 사원 상세 조회
+     * GET /v1/employees/{id}
+     */
+    public function show(int $id): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->show($id);
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 사원 등록
+     * POST /v1/employees
+     */
+    public function store(StoreRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->store($request->validated());
+        }, __('message.created'));
+    }
+
+    /**
+     * 사원 수정
+     * PATCH /v1/employees/{id}
+     */
+    public function update(int $id, UpdateRequest $request): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($id, $request) {
+            return $this->service->update($id, $request->validated());
+        }, __('message.updated'));
+    }
+
+    /**
+     * 사원 삭제 (퇴직 처리)
+     * DELETE /v1/employees/{id}
+     */
+    public function destroy(int $id): JsonResponse
+    {
+        return ApiResponse::handle(function () use ($id) {
+            return $this->service->destroy($id);
+        }, __('message.deleted'));
+    }
+
+    /**
+     * 사원 일괄 삭제
+     * POST /v1/employees/bulk-delete
+     */
+    public function bulkDelete(Request $request): JsonResponse
+    {
+        $request->validate([
+            'ids' => 'required|array|min:1',
+            'ids.*' => 'integer|min:1',
+        ]);
+
+        return ApiResponse::handle(function () use ($request) {
+            return $this->service->bulkDelete($request->input('ids'));
+        }, __('message.bulk_deleted'));
+    }
+
+    /**
+     * 사원 통계
+     * GET /v1/employees/stats
+     */
+    public function stats(): JsonResponse
+    {
+        return ApiResponse::handle(function () {
+            return $this->service->stats();
+        }, __('message.fetched'));
+    }
+
+    /**
+     * 시스템 계정 생성
+     * POST /v1/employees/{id}/create-account
+     */
+    public function createAccount(int $id, Request $request): JsonResponse
+    {
+        $request->validate([
+            'password' => 'required|string|min:8',
+        ]);
+
+        return ApiResponse::handle(function () use ($id, $request) {
+            return $this->service->createAccount($id, $request->input('password'));
+        }, __('message.updated'));
+    }
+}
diff --git a/app/Http/Controllers/Api/V1/UserController.php b/app/Http/Controllers/Api/V1/UserController.php
index 7c77021..096e7c0 100644
--- a/app/Http/Controllers/Api/V1/UserController.php
+++ b/app/Http/Controllers/Api/V1/UserController.php
@@ -30,8 +30,10 @@ public function show($userNo)
 
     public function me(Request $request)
     {
-        return ApiResponse::handle(function () use ($request) {
-            return $this->service->getMyInfo($request);
+        return ApiResponse::handle(function () {
+            $userId = (int) app('api_user');
+
+            return MemberService::getUserInfoForLogin($userId);
         }, __('message.user.me_fetched'));
     }
 
diff --git a/app/Http/Requests/Attendance/CheckInRequest.php b/app/Http/Requests/Attendance/CheckInRequest.php
new file mode 100644
index 0000000..224c6d5
--- /dev/null
+++ b/app/Http/Requests/Attendance/CheckInRequest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Requests\Attendance;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CheckInRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'user_id' => 'nullable|integer|exists:users,id',
+            'check_in' => 'nullable|date_format:H:i:s',
+            'gps_data' => 'nullable|array',
+            'gps_data.latitude' => 'nullable|numeric',
+            'gps_data.longitude' => 'nullable|numeric',
+            'gps_data.accuracy' => 'nullable|numeric',
+        ];
+    }
+}
diff --git a/app/Http/Requests/Attendance/CheckOutRequest.php b/app/Http/Requests/Attendance/CheckOutRequest.php
new file mode 100644
index 0000000..c3bc130
--- /dev/null
+++ b/app/Http/Requests/Attendance/CheckOutRequest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Requests\Attendance;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CheckOutRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'user_id' => 'nullable|integer|exists:users,id',
+            'check_out' => 'nullable|date_format:H:i:s',
+            'gps_data' => 'nullable|array',
+            'gps_data.latitude' => 'nullable|numeric',
+            'gps_data.longitude' => 'nullable|numeric',
+            'gps_data.accuracy' => 'nullable|numeric',
+        ];
+    }
+}
diff --git a/app/Http/Requests/Attendance/IndexRequest.php b/app/Http/Requests/Attendance/IndexRequest.php
new file mode 100644
index 0000000..0ae500d
--- /dev/null
+++ b/app/Http/Requests/Attendance/IndexRequest.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Requests\Attendance;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class IndexRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'user_id' => 'nullable|integer|min:1',
+            'date' => 'nullable|date',
+            'date_from' => 'nullable|date',
+            'date_to' => 'nullable|date|after_or_equal:date_from',
+            'status' => 'nullable|in:onTime,late,absent,vacation,businessTrip,fieldWork,overtime,remote',
+            'department_id' => 'nullable|integer|min:1',
+            'sort_by' => 'nullable|in:base_date,status,created_at',
+            'sort_dir' => 'nullable|in:asc,desc',
+            'page' => 'nullable|integer|min:1',
+            'per_page' => 'nullable|integer|min:1|max:100',
+        ];
+    }
+}
diff --git a/app/Http/Requests/Attendance/MonthlyStatsRequest.php b/app/Http/Requests/Attendance/MonthlyStatsRequest.php
new file mode 100644
index 0000000..604a88e
--- /dev/null
+++ b/app/Http/Requests/Attendance/MonthlyStatsRequest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Requests\Attendance;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class MonthlyStatsRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'year' => 'nullable|integer|min:2000|max:2100',
+            'month' => 'nullable|integer|min:1|max:12',
+            'user_id' => 'nullable|integer|exists:users,id',
+        ];
+    }
+}
diff --git a/app/Http/Requests/Attendance/StoreRequest.php b/app/Http/Requests/Attendance/StoreRequest.php
new file mode 100644
index 0000000..b5bb91e
--- /dev/null
+++ b/app/Http/Requests/Attendance/StoreRequest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Http\Requests\Attendance;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'user_id' => 'required|integer|exists:users,id',
+            'base_date' => 'required|date',
+            'status' => 'nullable|in:onTime,late,absent,vacation,businessTrip,fieldWork,overtime,remote',
+            'remarks' => 'nullable|string|max:500',
+
+            // json_details 필드
+            'check_in' => 'nullable|date_format:H:i:s',
+            'check_out' => 'nullable|date_format:H:i:s',
+            'gps_data' => 'nullable|array',
+            'gps_data.check_in' => 'nullable|array',
+            'gps_data.check_in.latitude' => 'nullable|numeric',
+            'gps_data.check_in.longitude' => 'nullable|numeric',
+            'gps_data.check_out' => 'nullable|array',
+            'gps_data.check_out.latitude' => 'nullable|numeric',
+            'gps_data.check_out.longitude' => 'nullable|numeric',
+            'external_work' => 'nullable|array',
+            'external_work.location' => 'nullable|string|max:255',
+            'external_work.purpose' => 'nullable|string|max:500',
+            'work_minutes' => 'nullable|integer|min:0',
+            'overtime_minutes' => 'nullable|integer|min:0',
+            'late_minutes' => 'nullable|integer|min:0',
+            'early_leave_minutes' => 'nullable|integer|min:0',
+            'vacation_type' => 'nullable|string|max:50',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'user_id.required' => __('validation.required', ['attribute' => '사용자']),
+            'base_date.required' => __('validation.required', ['attribute' => '기준일']),
+        ];
+    }
+}
diff --git a/app/Http/Requests/Attendance/UpdateRequest.php b/app/Http/Requests/Attendance/UpdateRequest.php
new file mode 100644
index 0000000..12fbfcc
--- /dev/null
+++ b/app/Http/Requests/Attendance/UpdateRequest.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Http\Requests\Attendance;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'status' => 'nullable|in:onTime,late,absent,vacation,businessTrip,fieldWork,overtime,remote',
+            'remarks' => 'nullable|string|max:500',
+
+            // json_details 필드
+            'check_in' => 'nullable|date_format:H:i:s',
+            'check_out' => 'nullable|date_format:H:i:s',
+            'gps_data' => 'nullable|array',
+            'gps_data.check_in' => 'nullable|array',
+            'gps_data.check_in.latitude' => 'nullable|numeric',
+            'gps_data.check_in.longitude' => 'nullable|numeric',
+            'gps_data.check_out' => 'nullable|array',
+            'gps_data.check_out.latitude' => 'nullable|numeric',
+            'gps_data.check_out.longitude' => 'nullable|numeric',
+            'external_work' => 'nullable|array',
+            'external_work.location' => 'nullable|string|max:255',
+            'external_work.purpose' => 'nullable|string|max:500',
+            'work_minutes' => 'nullable|integer|min:0',
+            'overtime_minutes' => 'nullable|integer|min:0',
+            'late_minutes' => 'nullable|integer|min:0',
+            'early_leave_minutes' => 'nullable|integer|min:0',
+            'vacation_type' => 'nullable|string|max:50',
+        ];
+    }
+}
diff --git a/app/Http/Requests/Employee/IndexRequest.php b/app/Http/Requests/Employee/IndexRequest.php
new file mode 100644
index 0000000..2459c5a
--- /dev/null
+++ b/app/Http/Requests/Employee/IndexRequest.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Requests\Employee;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class IndexRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'q' => 'nullable|string|max:100',
+            'status' => 'nullable|in:active,leave,resigned',
+            'department_id' => 'nullable|integer|min:1',
+            'has_account' => 'nullable|in:0,1,true,false',
+            'sort_by' => 'nullable|in:created_at,name,employee_status,department_id',
+            'sort_dir' => 'nullable|in:asc,desc',
+            'page' => 'nullable|integer|min:1',
+            'per_page' => 'nullable|integer|min:1|max:100',
+        ];
+    }
+}
diff --git a/app/Http/Requests/Employee/StoreRequest.php b/app/Http/Requests/Employee/StoreRequest.php
new file mode 100644
index 0000000..7d5dcda
--- /dev/null
+++ b/app/Http/Requests/Employee/StoreRequest.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace App\Http\Requests\Employee;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            // users 테이블 필드
+            'user_id' => 'nullable|string|max:50|unique:users,user_id',
+            'name' => 'required|string|max:100',
+            'email' => 'required|email|max:255|unique:users,email',
+            'phone' => 'nullable|string|max:20',
+            'password' => 'nullable|string|min:8',
+            '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',
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'name.required' => __('validation.required', ['attribute' => '이름']),
+            'email.required' => __('validation.required', ['attribute' => '이메일']),
+            'email.email' => __('validation.email', ['attribute' => '이메일']),
+            'email.unique' => __('validation.unique', ['attribute' => '이메일']),
+        ];
+    }
+}
diff --git a/app/Http/Requests/Employee/UpdateRequest.php b/app/Http/Requests/Employee/UpdateRequest.php
new file mode 100644
index 0000000..689f3c5
--- /dev/null
+++ b/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;
+    }
+}
diff --git a/app/Models/Tenants/Attendance.php b/app/Models/Tenants/Attendance.php
new file mode 100644
index 0000000..064a66e
--- /dev/null
+++ b/app/Models/Tenants/Attendance.php
@@ -0,0 +1,268 @@
+<?php
+
+namespace App\Models\Tenants;
+
+use App\Models\Members\User;
+use App\Traits\BelongsToTenant;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+/**
+ * 근태 기록 모델
+ *
+ * @property int $id
+ * @property int $tenant_id
+ * @property int $user_id
+ * @property string $base_date
+ * @property string $status
+ * @property array|null $json_details
+ * @property string|null $remarks
+ * @property int|null $created_by
+ * @property int|null $updated_by
+ * @property int|null $deleted_by
+ */
+class Attendance extends Model
+{
+    use BelongsToTenant, SoftDeletes;
+
+    protected $table = 'attendances';
+
+    protected $casts = [
+        'json_details' => 'array',
+        'base_date' => 'date',
+    ];
+
+    protected $fillable = [
+        'tenant_id',
+        'user_id',
+        'base_date',
+        'status',
+        'json_details',
+        'remarks',
+        'created_by',
+        'updated_by',
+        'deleted_by',
+    ];
+
+    /**
+     * 기본값 설정
+     */
+    protected $attributes = [
+        'status' => 'onTime',
+    ];
+
+    // =========================================================================
+    // 관계 정의
+    // =========================================================================
+
+    /**
+     * 사용자 관계
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    /**
+     * 생성자 관계
+     */
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    /**
+     * 수정자 관계
+     */
+    public function updater(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'updated_by');
+    }
+
+    // =========================================================================
+    // json_details 헬퍼 메서드 (Accessor)
+    // =========================================================================
+
+    /**
+     * 출근 시간
+     */
+    public function getCheckInAttribute(): ?string
+    {
+        return $this->json_details['check_in'] ?? null;
+    }
+
+    /**
+     * 퇴근 시간
+     */
+    public function getCheckOutAttribute(): ?string
+    {
+        return $this->json_details['check_out'] ?? null;
+    }
+
+    /**
+     * GPS 데이터
+     */
+    public function getGpsDataAttribute(): ?array
+    {
+        return $this->json_details['gps_data'] ?? null;
+    }
+
+    /**
+     * 외근 정보
+     */
+    public function getExternalWorkAttribute(): ?array
+    {
+        return $this->json_details['external_work'] ?? null;
+    }
+
+    /**
+     * 다중 출퇴근 기록 (여러 번 출퇴근)
+     */
+    public function getMultipleEntriesAttribute(): ?array
+    {
+        return $this->json_details['multiple_entries'] ?? null;
+    }
+
+    /**
+     * 근무 시간 (분 단위)
+     */
+    public function getWorkMinutesAttribute(): ?int
+    {
+        return isset($this->json_details['work_minutes'])
+            ? (int) $this->json_details['work_minutes']
+            : null;
+    }
+
+    /**
+     * 초과 근무 시간 (분 단위)
+     */
+    public function getOvertimeMinutesAttribute(): ?int
+    {
+        return isset($this->json_details['overtime_minutes'])
+            ? (int) $this->json_details['overtime_minutes']
+            : null;
+    }
+
+    /**
+     * 지각 시간 (분 단위)
+     */
+    public function getLateMinutesAttribute(): ?int
+    {
+        return isset($this->json_details['late_minutes'])
+            ? (int) $this->json_details['late_minutes']
+            : null;
+    }
+
+    /**
+     * 조퇴 시간 (분 단위)
+     */
+    public function getEarlyLeaveMinutesAttribute(): ?int
+    {
+        return isset($this->json_details['early_leave_minutes'])
+            ? (int) $this->json_details['early_leave_minutes']
+            : null;
+    }
+
+    /**
+     * 휴가 유형 (vacation 상태일 때)
+     */
+    public function getVacationTypeAttribute(): ?string
+    {
+        return $this->json_details['vacation_type'] ?? null;
+    }
+
+    // =========================================================================
+    // json_details 업데이트 메서드
+    // =========================================================================
+
+    /**
+     * json_details에서 특정 키 값 설정
+     */
+    public function setJsonDetailsValue(string $key, mixed $value): void
+    {
+        $jsonDetails = $this->json_details ?? [];
+        if ($value === null) {
+            unset($jsonDetails[$key]);
+        } else {
+            $jsonDetails[$key] = $value;
+        }
+        $this->json_details = $jsonDetails;
+    }
+
+    /**
+     * json_details에서 특정 키 값 가져오기
+     */
+    public function getJsonDetailsValue(string $key, mixed $default = null): mixed
+    {
+        return $this->json_details[$key] ?? $default;
+    }
+
+    /**
+     * 출퇴근 정보 일괄 업데이트
+     */
+    public function updateAttendanceDetails(array $data): void
+    {
+        $jsonDetails = $this->json_details ?? [];
+        $allowedKeys = [
+            'check_in',
+            'check_out',
+            'gps_data',
+            'external_work',
+            'multiple_entries',
+            'work_minutes',
+            'overtime_minutes',
+            'late_minutes',
+            'early_leave_minutes',
+            'vacation_type',
+        ];
+
+        foreach ($allowedKeys as $key) {
+            if (array_key_exists($key, $data)) {
+                if ($data[$key] === null) {
+                    unset($jsonDetails[$key]);
+                } else {
+                    $jsonDetails[$key] = $data[$key];
+                }
+            }
+        }
+
+        $this->json_details = $jsonDetails;
+    }
+
+    // =========================================================================
+    // 스코프
+    // =========================================================================
+
+    /**
+     * 특정 날짜의 근태 조회
+     */
+    public function scopeOnDate($query, string $date)
+    {
+        return $query->whereDate('base_date', $date);
+    }
+
+    /**
+     * 특정 기간의 근태 조회
+     */
+    public function scopeBetweenDates($query, string $startDate, string $endDate)
+    {
+        return $query->whereBetween('base_date', [$startDate, $endDate]);
+    }
+
+    /**
+     * 특정 사용자의 근태 조회
+     */
+    public function scopeForUser($query, int $userId)
+    {
+        return $query->where('user_id', $userId);
+    }
+
+    /**
+     * 특정 상태의 근태 조회
+     */
+    public function scopeWithStatus($query, string $status)
+    {
+        return $query->where('status', $status);
+    }
+}
diff --git a/app/Models/Tenants/TenantUserProfile.php b/app/Models/Tenants/TenantUserProfile.php
index 44b9351..35c0ee6 100644
--- a/app/Models/Tenants/TenantUserProfile.php
+++ b/app/Models/Tenants/TenantUserProfile.php
@@ -4,8 +4,18 @@
 
 use App\Models\Members\User;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 /**
+ * 테넌트별 사용자 프로필 (사원 정보)
+ *
+ * @property int $id
+ * @property int $tenant_id
+ * @property int $user_id
+ * @property int|null $department_id
+ * @property string $employee_status active|leave|resigned
+ * @property array|null $json_extra
+ *
  * @mixin IdeHelperTenantUserProfile
  */
 class TenantUserProfile extends Model
@@ -22,23 +32,133 @@ class TenantUserProfile extends Model
         'job_title_key',
         'work_location_key',
         'employment_type_key',
+        'employee_status',
         'manager_user_id',
         'json_extra',
-        'created_at',
-        'updated_at',
         'profile_photo_path',
         'display_name',
     ];
 
-    // 관계: users 테이블은 전역이라 App\Models\User 로 연결
-    public function user()
+    // =========================================================================
+    // 관계 정의
+    // =========================================================================
+
+    public function user(): BelongsTo
     {
         return $this->belongsTo(User::class, 'user_id');
     }
 
-    // 조직, 직급 등은 옵션/코드 참조 가능 (필요시 추가)
-    public function department()
+    public function department(): BelongsTo
     {
         return $this->belongsTo(Department::class, 'department_id');
     }
+
+    public function manager(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'manager_user_id');
+    }
+
+    // =========================================================================
+    // json_extra 헬퍼 메서드
+    // =========================================================================
+
+    /**
+     * json_extra에서 특정 키 값 가져오기
+     */
+    public function getJsonExtraValue(string $key, mixed $default = null): mixed
+    {
+        return $this->json_extra[$key] ?? $default;
+    }
+
+    /**
+     * json_extra에 특정 키 값 설정
+     */
+    public function setJsonExtraValue(string $key, mixed $value): void
+    {
+        $extra = $this->json_extra ?? [];
+        if ($value === null) {
+            unset($extra[$key]);
+        } else {
+            $extra[$key] = $value;
+        }
+        $this->json_extra = $extra;
+    }
+
+    /**
+     * 사원 정보 일괄 업데이트 (json_extra)
+     */
+    public function updateEmployeeInfo(array $data): void
+    {
+        $allowedKeys = [
+            'employee_code',
+            'resident_number',
+            'gender',
+            'address',
+            'salary',
+            'hire_date',
+            'rank',
+            'bank_account',
+            'work_type',
+            'contract_info',
+            'emergency_contact',
+            'education',
+            'certifications',
+        ];
+
+        $extra = $this->json_extra ?? [];
+        foreach ($allowedKeys as $key) {
+            if (array_key_exists($key, $data)) {
+                if ($data[$key] === null) {
+                    unset($extra[$key]);
+                } else {
+                    $extra[$key] = $data[$key];
+                }
+            }
+        }
+        $this->json_extra = $extra;
+        $this->save();
+    }
+
+    // =========================================================================
+    // json_extra Accessor (자주 사용하는 필드)
+    // =========================================================================
+
+    public function getEmployeeCodeAttribute(): ?string
+    {
+        return $this->json_extra['employee_code'] ?? null;
+    }
+
+    public function getHireDateAttribute(): ?string
+    {
+        return $this->json_extra['hire_date'] ?? null;
+    }
+
+    public function getAddressAttribute(): ?string
+    {
+        return $this->json_extra['address'] ?? null;
+    }
+
+    public function getEmergencyContactAttribute(): ?string
+    {
+        return $this->json_extra['emergency_contact'] ?? null;
+    }
+
+    // =========================================================================
+    // 스코프
+    // =========================================================================
+
+    public function scopeActive($query)
+    {
+        return $query->where('employee_status', 'active');
+    }
+
+    public function scopeOnLeave($query)
+    {
+        return $query->where('employee_status', 'leave');
+    }
+
+    public function scopeResigned($query)
+    {
+        return $query->where('employee_status', 'resigned');
+    }
 }
diff --git a/app/Services/AttendanceService.php b/app/Services/AttendanceService.php
new file mode 100644
index 0000000..a4ef740
--- /dev/null
+++ b/app/Services/AttendanceService.php
@@ -0,0 +1,406 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Tenants\Attendance;
+use Illuminate\Contracts\Pagination\LengthAwarePaginator;
+use Illuminate\Support\Facades\DB;
+
+class AttendanceService extends Service
+{
+    /**
+     * 근태 목록 조회
+     */
+    public function index(array $params): LengthAwarePaginator
+    {
+        $tenantId = $this->tenantId();
+
+        $query = Attendance::query()
+            ->where('tenant_id', $tenantId)
+            ->with(['user:id,name,email']);
+
+        // 사용자 필터
+        if (! empty($params['user_id'])) {
+            $query->where('user_id', $params['user_id']);
+        }
+
+        // 날짜 필터 (단일)
+        if (! empty($params['date'])) {
+            $query->whereDate('base_date', $params['date']);
+        }
+
+        // 날짜 범위 필터
+        if (! empty($params['date_from'])) {
+            $query->whereDate('base_date', '>=', $params['date_from']);
+        }
+        if (! empty($params['date_to'])) {
+            $query->whereDate('base_date', '<=', $params['date_to']);
+        }
+
+        // 상태 필터
+        if (! empty($params['status'])) {
+            $query->where('status', $params['status']);
+        }
+
+        // 부서 필터 (사용자의 부서)
+        if (! empty($params['department_id'])) {
+            $query->whereHas('user.tenantProfile', function ($q) use ($params) {
+                $q->where('department_id', $params['department_id']);
+            });
+        }
+
+        // 정렬
+        $sortBy = $params['sort_by'] ?? 'base_date';
+        $sortDir = $params['sort_dir'] ?? 'desc';
+        $query->orderBy($sortBy, $sortDir);
+
+        // 페이지네이션
+        $perPage = $params['per_page'] ?? 20;
+
+        return $query->paginate($perPage);
+    }
+
+    /**
+     * 근태 상세 조회
+     */
+    public function show(int $id): Attendance
+    {
+        $tenantId = $this->tenantId();
+
+        $attendance = Attendance::query()
+            ->where('tenant_id', $tenantId)
+            ->with(['user:id,name,email'])
+            ->findOrFail($id);
+
+        return $attendance;
+    }
+
+    /**
+     * 근태 등록
+     */
+    public function store(array $data): Attendance
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        return DB::transaction(function () use ($data, $tenantId, $userId) {
+            // 기존 기록 확인 (같은 날 같은 사용자)
+            $existing = Attendance::query()
+                ->where('tenant_id', $tenantId)
+                ->where('user_id', $data['user_id'])
+                ->whereDate('base_date', $data['base_date'])
+                ->first();
+
+            if ($existing) {
+                throw new \Exception(__('error.attendance.already_exists'));
+            }
+
+            // json_details 구성
+            // json_details 객체가 직접 전달된 경우 그대로 사용, 아니면 개별 필드에서 구성
+            $jsonDetails = isset($data['json_details']) && is_array($data['json_details'])
+                ? $data['json_details']
+                : $this->buildJsonDetails($data);
+
+            $attendance = Attendance::create([
+                'tenant_id' => $tenantId,
+                'user_id' => $data['user_id'],
+                'base_date' => $data['base_date'],
+                'status' => $data['status'] ?? 'onTime',
+                'json_details' => $jsonDetails,
+                'remarks' => $data['remarks'] ?? null,
+                'created_by' => $userId,
+                'updated_by' => $userId,
+            ]);
+
+            return $attendance->fresh(['user:id,name,email']);
+        });
+    }
+
+    /**
+     * 근태 수정
+     */
+    public function update(int $id, array $data): Attendance
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        return DB::transaction(function () use ($id, $data, $tenantId, $userId) {
+            $attendance = Attendance::query()
+                ->where('tenant_id', $tenantId)
+                ->findOrFail($id);
+
+            // 기본 필드 업데이트
+            if (isset($data['status'])) {
+                $attendance->status = $data['status'];
+            }
+            if (array_key_exists('remarks', $data)) {
+                $attendance->remarks = $data['remarks'];
+            }
+
+            // json_details 업데이트
+            $jsonDetails = $attendance->json_details ?? [];
+            // json_details 객체가 직접 전달된 경우 그대로 병합, 아니면 개별 필드에서 구성
+            $detailsUpdate = isset($data['json_details']) && is_array($data['json_details'])
+                ? $data['json_details']
+                : $this->buildJsonDetails($data);
+            $attendance->json_details = array_merge($jsonDetails, $detailsUpdate);
+
+            $attendance->updated_by = $userId;
+            $attendance->save();
+
+            return $attendance->fresh(['user:id,name,email']);
+        });
+    }
+
+    /**
+     * 근태 삭제
+     */
+    public function destroy(int $id): bool
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $attendance = Attendance::query()
+            ->where('tenant_id', $tenantId)
+            ->findOrFail($id);
+
+        $attendance->deleted_by = $userId;
+        $attendance->save();
+        $attendance->delete();
+
+        return true;
+    }
+
+    /**
+     * 일괄 삭제
+     */
+    public function bulkDelete(array $ids): array
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $deletedCount = 0;
+
+        DB::transaction(function () use ($ids, $tenantId, $userId, &$deletedCount) {
+            $attendances = Attendance::query()
+                ->where('tenant_id', $tenantId)
+                ->whereIn('id', $ids)
+                ->get();
+
+            foreach ($attendances as $attendance) {
+                $attendance->deleted_by = $userId;
+                $attendance->save();
+                $attendance->delete();
+                $deletedCount++;
+            }
+        });
+
+        return ['deleted_count' => $deletedCount];
+    }
+
+    /**
+     * 출근 기록 (체크인)
+     */
+    public function checkIn(array $data): Attendance
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+        $targetUserId = $data['user_id'] ?? $userId;
+        $today = now()->toDateString();
+
+        return DB::transaction(function () use ($data, $tenantId, $userId, $targetUserId, $today) {
+            // 오늘 기록 확인
+            $attendance = Attendance::query()
+                ->where('tenant_id', $tenantId)
+                ->where('user_id', $targetUserId)
+                ->whereDate('base_date', $today)
+                ->first();
+
+            $checkInTime = $data['check_in'] ?? now()->format('H:i:s');
+            $gpsData = $data['gps_data'] ?? null;
+
+            if ($attendance) {
+                // 기존 기록 업데이트
+                $jsonDetails = $attendance->json_details ?? [];
+                $jsonDetails['check_in'] = $checkInTime;
+                if ($gpsData) {
+                    $jsonDetails['gps_data'] = array_merge(
+                        $jsonDetails['gps_data'] ?? [],
+                        ['check_in' => $gpsData]
+                    );
+                }
+                $attendance->json_details = $jsonDetails;
+                $attendance->updated_by = $userId;
+                $attendance->save();
+            } else {
+                // 새 기록 생성
+                $jsonDetails = ['check_in' => $checkInTime];
+                if ($gpsData) {
+                    $jsonDetails['gps_data'] = ['check_in' => $gpsData];
+                }
+
+                $attendance = Attendance::create([
+                    'tenant_id' => $tenantId,
+                    'user_id' => $targetUserId,
+                    'base_date' => $today,
+                    'status' => $this->determineStatus($checkInTime, null),
+                    'json_details' => $jsonDetails,
+                    'created_by' => $userId,
+                    'updated_by' => $userId,
+                ]);
+            }
+
+            return $attendance->fresh(['user:id,name,email']);
+        });
+    }
+
+    /**
+     * 퇴근 기록 (체크아웃)
+     */
+    public function checkOut(array $data): Attendance
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+        $targetUserId = $data['user_id'] ?? $userId;
+        $today = now()->toDateString();
+
+        return DB::transaction(function () use ($data, $tenantId, $userId, $targetUserId, $today) {
+            $attendance = Attendance::query()
+                ->where('tenant_id', $tenantId)
+                ->where('user_id', $targetUserId)
+                ->whereDate('base_date', $today)
+                ->first();
+
+            if (! $attendance) {
+                throw new \Exception(__('error.attendance.no_check_in'));
+            }
+
+            $checkOutTime = $data['check_out'] ?? now()->format('H:i:s');
+            $gpsData = $data['gps_data'] ?? null;
+
+            $jsonDetails = $attendance->json_details ?? [];
+            $jsonDetails['check_out'] = $checkOutTime;
+
+            // 근무 시간 계산
+            if (isset($jsonDetails['check_in'])) {
+                $checkIn = \Carbon\Carbon::createFromFormat('H:i:s', $jsonDetails['check_in']);
+                $checkOut = \Carbon\Carbon::createFromFormat('H:i:s', $checkOutTime);
+                $jsonDetails['work_minutes'] = $checkOut->diffInMinutes($checkIn);
+            }
+
+            if ($gpsData) {
+                $jsonDetails['gps_data'] = array_merge(
+                    $jsonDetails['gps_data'] ?? [],
+                    ['check_out' => $gpsData]
+                );
+            }
+
+            $attendance->json_details = $jsonDetails;
+            $attendance->status = $this->determineStatus(
+                $jsonDetails['check_in'] ?? null,
+                $checkOutTime
+            );
+            $attendance->updated_by = $userId;
+            $attendance->save();
+
+            return $attendance->fresh(['user:id,name,email']);
+        });
+    }
+
+    /**
+     * 월간 통계 조회
+     */
+    public function monthlyStats(array $params): array
+    {
+        $tenantId = $this->tenantId();
+        $year = $params['year'] ?? now()->year;
+        $month = $params['month'] ?? now()->month;
+        $userId = $params['user_id'] ?? null;
+
+        $startDate = \Carbon\Carbon::create($year, $month, 1)->startOfMonth();
+        $endDate = $startDate->copy()->endOfMonth();
+
+        $query = Attendance::query()
+            ->where('tenant_id', $tenantId)
+            ->whereBetween('base_date', [$startDate, $endDate]);
+
+        if ($userId) {
+            $query->where('user_id', $userId);
+        }
+
+        $attendances = $query->get();
+
+        $stats = [
+            'year' => $year,
+            'month' => $month,
+            'total_days' => $attendances->count(),
+            'by_status' => [
+                'onTime' => $attendances->where('status', 'onTime')->count(),
+                'late' => $attendances->where('status', 'late')->count(),
+                'absent' => $attendances->where('status', 'absent')->count(),
+                'vacation' => $attendances->where('status', 'vacation')->count(),
+                'businessTrip' => $attendances->where('status', 'businessTrip')->count(),
+                'fieldWork' => $attendances->where('status', 'fieldWork')->count(),
+                'overtime' => $attendances->where('status', 'overtime')->count(),
+                'remote' => $attendances->where('status', 'remote')->count(),
+            ],
+            'total_work_minutes' => $attendances->sum(function ($a) {
+                return $a->json_details['work_minutes'] ?? 0;
+            }),
+            'total_overtime_minutes' => $attendances->sum(function ($a) {
+                return $a->json_details['overtime_minutes'] ?? 0;
+            }),
+        ];
+
+        return $stats;
+    }
+
+    /**
+     * json_details 구성
+     */
+    private function buildJsonDetails(array $data): array
+    {
+        $details = [];
+
+        $detailKeys = [
+            'check_in',
+            'check_out',
+            'gps_data',
+            'external_work',
+            'multiple_entries',
+            'work_minutes',
+            'overtime_minutes',
+            'late_minutes',
+            'early_leave_minutes',
+            'vacation_type',
+        ];
+
+        foreach ($detailKeys as $key) {
+            if (isset($data[$key])) {
+                $details[$key] = $data[$key];
+            }
+        }
+
+        return $details;
+    }
+
+    /**
+     * 상태 자동 결정
+     * 실제 업무에서는 회사별 출근 시간 설정을 참조해야 함
+     */
+    private function determineStatus(?string $checkIn, ?string $checkOut): string
+    {
+        if (! $checkIn) {
+            return 'absent';
+        }
+
+        // 기본 출근 시간: 09:00
+        $standardCheckIn = '09:00:00';
+
+        if ($checkIn > $standardCheckIn) {
+            return 'late';
+        }
+
+        return 'onTime';
+    }
+}
diff --git a/app/Services/DepartmentService.php b/app/Services/DepartmentService.php
index c3c9c83..d5bbaa2 100644
--- a/app/Services/DepartmentService.php
+++ b/app/Services/DepartmentService.php
@@ -60,6 +60,50 @@ public function index(array $params)
         return $q->paginate($perPage, ['*'], 'page', $page);
     }
 
+    /** 부서 트리 조회 */
+    public function tree(array $params = []): array
+    {
+        $p = $this->v($params, [
+            'with_users' => 'nullable|in:0,1,true,false',
+        ]);
+        if (isset($p['error'])) {
+            return $p;
+        }
+
+        $withUsers = filter_var($p['with_users'] ?? false, FILTER_VALIDATE_BOOLEAN);
+
+        // 최상위 부서 조회 (parent_id가 null인 부서)
+        $query = Department::query()
+            ->whereNull('parent_id')
+            ->orderBy('sort_order')
+            ->orderBy('name');
+
+        // 재귀적으로 자식 부서 로드
+        $query->with(['children' => function ($q) use ($withUsers) {
+            $q->orderBy('sort_order')->orderBy('name');
+            $this->loadChildrenRecursive($q, $withUsers);
+        }]);
+
+        if ($withUsers) {
+            $query->with(['users:id,name,email']);
+        }
+
+        return $query->get()->toArray();
+    }
+
+    /** 재귀적으로 자식 부서 로드 */
+    private function loadChildrenRecursive($query, bool $withUsers): void
+    {
+        $query->with(['children' => function ($q) use ($withUsers) {
+            $q->orderBy('sort_order')->orderBy('name');
+            $this->loadChildrenRecursive($q, $withUsers);
+        }]);
+
+        if ($withUsers) {
+            $query->with(['users:id,name,email']);
+        }
+    }
+
     /** 생성 */
     public function store(array $params)
     {
diff --git a/app/Services/EmployeeService.php b/app/Services/EmployeeService.php
new file mode 100644
index 0000000..903d1cf
--- /dev/null
+++ b/app/Services/EmployeeService.php
@@ -0,0 +1,344 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Members\User;
+use App\Models\Tenants\TenantUserProfile;
+use Illuminate\Contracts\Pagination\LengthAwarePaginator;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Str;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+class EmployeeService extends Service
+{
+    /**
+     * 사원 목록 조회 (tenant_user_profiles + users 조인)
+     */
+    public function index(array $params): LengthAwarePaginator
+    {
+        $tenantId = $this->tenantId();
+
+        $query = TenantUserProfile::query()
+            ->where('tenant_id', $tenantId)
+            ->with(['user', 'department', 'manager']);
+
+        // 검색 (이름, 이메일, 사원코드)
+        if (! empty($params['q'])) {
+            $search = $params['q'];
+            $query->where(function ($q) use ($search) {
+                $q->whereHas('user', function ($uq) use ($search) {
+                    $uq->where('name', 'like', "%{$search}%")
+                        ->orWhere('email', 'like', "%{$search}%");
+                })
+                    // json_extra에서 employee_code 검색
+                    ->orWhereJsonContains('json_extra->employee_code', $search);
+            });
+        }
+
+        // 고용 상태 필터 (employee_status)
+        if (! empty($params['status'])) {
+            $query->where('employee_status', $params['status']);
+        }
+
+        // 부서 필터
+        if (! empty($params['department_id'])) {
+            $query->where('department_id', $params['department_id']);
+        }
+
+        // 시스템 계정 보유 여부 필터
+        if (isset($params['has_account'])) {
+            $hasAccount = filter_var($params['has_account'], FILTER_VALIDATE_BOOLEAN);
+            $query->whereHas('user', function ($q) use ($hasAccount) {
+                if ($hasAccount) {
+                    $q->whereNotNull('password');
+                } else {
+                    $q->whereNull('password');
+                }
+            });
+        }
+
+        // 정렬
+        $sortBy = $params['sort_by'] ?? 'created_at';
+        $sortDir = $params['sort_dir'] ?? 'desc';
+        $query->orderBy($sortBy, $sortDir);
+
+        $perPage = $params['per_page'] ?? 20;
+
+        return $query->paginate($perPage);
+    }
+
+    /**
+     * 사원 상세 조회
+     */
+    public function show(int $id): TenantUserProfile
+    {
+        $tenantId = $this->tenantId();
+
+        $profile = TenantUserProfile::query()
+            ->where('tenant_id', $tenantId)
+            ->with(['user', 'department', 'manager'])
+            ->find($id);
+
+        if (! $profile) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        return $profile;
+    }
+
+    /**
+     * 사원 등록 (users 테이블에 사용자 생성 + tenant_user_profiles 생성)
+     */
+    public function store(array $data): TenantUserProfile
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        return DB::transaction(function () use ($data, $tenantId, $userId) {
+            // 1. users 테이블에 사용자 생성
+            $user = User::create([
+                'user_id' => $data['user_id'] ?? $this->generateUserId($data['email']),
+                'name' => $data['name'],
+                'email' => $data['email'],
+                'phone' => $data['phone'] ?? null,
+                'password' => Hash::make($data['password'] ?? Str::random(16)),
+                'is_active' => $data['is_active'] ?? true,
+                'created_by' => $userId,
+            ]);
+
+            // 2. user_tenants pivot에 관계 추가
+            $user->tenantsMembership()->attach($tenantId, [
+                'is_active' => true,
+                'is_default' => true,
+                'joined_at' => now(),
+            ]);
+
+            // 3. tenant_user_profiles 생성
+            $profile = TenantUserProfile::create([
+                'tenant_id' => $tenantId,
+                'user_id' => $user->id,
+                'department_id' => $data['department_id'] ?? null,
+                'position_key' => $data['position_key'] ?? null,
+                'job_title_key' => $data['job_title_key'] ?? null,
+                'work_location_key' => $data['work_location_key'] ?? null,
+                'employment_type_key' => $data['employment_type_key'] ?? null,
+                'employee_status' => $data['employee_status'] ?? 'active',
+                'manager_user_id' => $data['manager_user_id'] ?? null,
+                'profile_photo_path' => $data['profile_photo_path'] ?? null,
+                'display_name' => $data['display_name'] ?? null,
+            ]);
+
+            // 4. json_extra 사원 정보 설정
+            $profile->updateEmployeeInfo([
+                'employee_code' => $data['employee_code'] ?? null,
+                'resident_number' => $data['resident_number'] ?? null,
+                'gender' => $data['gender'] ?? null,
+                'address' => $data['address'] ?? null,
+                'salary' => $data['salary'] ?? null,
+                'hire_date' => $data['hire_date'] ?? null,
+                'rank' => $data['rank'] ?? null,
+                'bank_account' => $data['bank_account'] ?? null,
+                'work_type' => $data['work_type'] ?? 'regular',
+                'contract_info' => $data['contract_info'] ?? null,
+            ]);
+            $profile->save();
+
+            return $profile->fresh(['user', 'department', 'manager']);
+        });
+    }
+
+    /**
+     * 사원 수정
+     */
+    public function update(int $id, array $data): TenantUserProfile
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $profile = TenantUserProfile::query()
+            ->where('tenant_id', $tenantId)
+            ->find($id);
+
+        if (! $profile) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        return DB::transaction(function () use ($profile, $data, $userId) {
+            // 1. users 테이블 업데이트 (기본 정보)
+            $user = $profile->user;
+            $userUpdates = [];
+
+            if (isset($data['name'])) {
+                $userUpdates['name'] = $data['name'];
+            }
+            if (isset($data['email'])) {
+                $userUpdates['email'] = $data['email'];
+            }
+            if (isset($data['phone'])) {
+                $userUpdates['phone'] = $data['phone'];
+            }
+            if (isset($data['is_active'])) {
+                $userUpdates['is_active'] = $data['is_active'];
+            }
+            if (! empty($userUpdates)) {
+                $userUpdates['updated_by'] = $userId;
+                $user->update($userUpdates);
+            }
+
+            // 2. tenant_user_profiles 업데이트
+            $profileUpdates = [];
+            $profileFields = [
+                'department_id',
+                'position_key',
+                'job_title_key',
+                'work_location_key',
+                'employment_type_key',
+                'employee_status',
+                'manager_user_id',
+                'profile_photo_path',
+                'display_name',
+            ];
+
+            foreach ($profileFields as $field) {
+                if (array_key_exists($field, $data)) {
+                    $profileUpdates[$field] = $data[$field];
+                }
+            }
+
+            if (! empty($profileUpdates)) {
+                $profile->update($profileUpdates);
+            }
+
+            // 3. json_extra 사원 정보 업데이트
+            $jsonExtraFields = [
+                'employee_code',
+                'resident_number',
+                'gender',
+                'address',
+                'salary',
+                'hire_date',
+                'rank',
+                'bank_account',
+                'work_type',
+                'contract_info',
+            ];
+
+            $jsonExtraUpdates = [];
+            foreach ($jsonExtraFields as $field) {
+                if (array_key_exists($field, $data)) {
+                    $jsonExtraUpdates[$field] = $data[$field];
+                }
+            }
+
+            if (! empty($jsonExtraUpdates)) {
+                $profile->updateEmployeeInfo($jsonExtraUpdates);
+                $profile->save();
+            }
+
+            return $profile->fresh(['user', 'department', 'manager']);
+        });
+    }
+
+    /**
+     * 사원 삭제 (soft delete)
+     */
+    public function destroy(int $id): array
+    {
+        $tenantId = $this->tenantId();
+
+        $profile = TenantUserProfile::query()
+            ->where('tenant_id', $tenantId)
+            ->find($id);
+
+        if (! $profile) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        // tenant_user_profiles에는 SoftDeletes가 없으므로 hard delete
+        // 또는 employee_status를 resigned로 변경
+        $profile->update(['employee_status' => 'resigned']);
+
+        return [
+            'id' => $id,
+            'deleted_at' => now()->toDateTimeString(),
+        ];
+    }
+
+    /**
+     * 일괄 삭제
+     */
+    public function bulkDelete(array $ids): array
+    {
+        $tenantId = $this->tenantId();
+
+        $updated = TenantUserProfile::query()
+            ->where('tenant_id', $tenantId)
+            ->whereIn('id', $ids)
+            ->update(['employee_status' => 'resigned']);
+
+        return [
+            'processed' => count($ids),
+            'updated' => $updated,
+        ];
+    }
+
+    /**
+     * 사원 통계
+     */
+    public function stats(): array
+    {
+        $tenantId = $this->tenantId();
+
+        $baseQuery = TenantUserProfile::query()->where('tenant_id', $tenantId);
+
+        $total = (clone $baseQuery)->count();
+        $active = (clone $baseQuery)->where('employee_status', 'active')->count();
+        $leave = (clone $baseQuery)->where('employee_status', 'leave')->count();
+        $resigned = (clone $baseQuery)->where('employee_status', 'resigned')->count();
+
+        return [
+            'total' => $total,
+            'active' => $active,
+            'leave' => $leave,
+            'resigned' => $resigned,
+        ];
+    }
+
+    /**
+     * 시스템 계정 생성 (비밀번호 설정)
+     */
+    public function createAccount(int $id, string $password): TenantUserProfile
+    {
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
+
+        $profile = TenantUserProfile::query()
+            ->where('tenant_id', $tenantId)
+            ->with('user')
+            ->find($id);
+
+        if (! $profile) {
+            throw new NotFoundHttpException(__('error.not_found'));
+        }
+
+        $profile->user->update([
+            'password' => Hash::make($password),
+            'must_change_password' => true,
+            'updated_by' => $userId,
+        ]);
+
+        return $profile->fresh(['user', 'department', 'manager']);
+    }
+
+    /**
+     * 사용자 ID 자동 생성
+     */
+    private function generateUserId(string $email): string
+    {
+        $prefix = explode('@', $email)[0];
+        $suffix = Str::random(4);
+
+        return strtolower($prefix.'_'.$suffix);
+    }
+}
diff --git a/app/Swagger/v1/AttendanceApi.php b/app/Swagger/v1/AttendanceApi.php
new file mode 100644
index 0000000..17ec740
--- /dev/null
+++ b/app/Swagger/v1/AttendanceApi.php
@@ -0,0 +1,422 @@
+<?php
+
+namespace App\Swagger\v1;
+
+/**
+ * @OA\Tag(name="Attendances", description="근태 관리 (HR)")
+ *
+ * @OA\Schema(
+ *     schema="Attendance",
+ *     type="object",
+ *     description="근태 정보",
+ *
+ *     @OA\Property(property="id", type="integer", example=1, description="근태 ID"),
+ *     @OA\Property(property="tenant_id", type="integer", example=1, description="테넌트 ID"),
+ *     @OA\Property(property="user_id", type="integer", example=10, description="사용자 ID"),
+ *     @OA\Property(property="base_date", type="string", format="date", example="2024-01-15", description="기준일"),
+ *     @OA\Property(property="status", type="string", enum={"onTime","late","absent","vacation","businessTrip","fieldWork","overtime","remote"}, example="onTime", description="근태 상태"),
+ *     @OA\Property(property="remarks", type="string", example="외근으로 인한 지각", nullable=true, description="비고"),
+ *     @OA\Property(property="check_in", type="string", example="09:00:00", nullable=true, description="출근 시간"),
+ *     @OA\Property(property="check_out", type="string", example="18:00:00", nullable=true, description="퇴근 시간"),
+ *     @OA\Property(property="work_minutes", type="integer", example=540, nullable=true, description="근무 시간(분)"),
+ *     @OA\Property(property="overtime_minutes", type="integer", example=60, nullable=true, description="초과 근무 시간(분)"),
+ *     @OA\Property(property="late_minutes", type="integer", example=15, nullable=true, description="지각 시간(분)"),
+ *     @OA\Property(property="user", type="object", nullable=true, description="사용자 정보",
+ *         @OA\Property(property="id", type="integer", example=10),
+ *         @OA\Property(property="name", type="string", example="홍길동"),
+ *         @OA\Property(property="email", type="string", example="hong@company.com")
+ *     ),
+ *     @OA\Property(property="created_at", type="string", format="date-time", example="2024-01-15T09:00:00Z"),
+ *     @OA\Property(property="updated_at", type="string", format="date-time", example="2024-01-15T18:00:00Z")
+ * )
+ *
+ * @OA\Schema(
+ *     schema="AttendanceCreateRequest",
+ *     type="object",
+ *     required={"user_id", "base_date"},
+ *     description="근태 등록 요청",
+ *
+ *     @OA\Property(property="user_id", type="integer", example=10, description="사용자 ID"),
+ *     @OA\Property(property="base_date", type="string", format="date", example="2024-01-15", description="기준일"),
+ *     @OA\Property(property="status", type="string", enum={"onTime","late","absent","vacation","businessTrip","fieldWork","overtime","remote"}, example="onTime", description="근태 상태"),
+ *     @OA\Property(property="remarks", type="string", example="외근으로 인한 지각", description="비고"),
+ *     @OA\Property(property="check_in", type="string", example="09:00:00", description="출근 시간"),
+ *     @OA\Property(property="check_out", type="string", example="18:00:00", description="퇴근 시간"),
+ *     @OA\Property(property="work_minutes", type="integer", example=540, description="근무 시간(분)"),
+ *     @OA\Property(property="overtime_minutes", type="integer", example=60, description="초과 근무 시간(분)"),
+ *     @OA\Property(property="vacation_type", type="string", example="annual", description="휴가 유형")
+ * )
+ *
+ * @OA\Schema(
+ *     schema="AttendanceUpdateRequest",
+ *     type="object",
+ *     description="근태 수정 요청",
+ *
+ *     @OA\Property(property="status", type="string", enum={"onTime","late","absent","vacation","businessTrip","fieldWork","overtime","remote"}, example="onTime", description="근태 상태"),
+ *     @OA\Property(property="remarks", type="string", example="수정된 비고", description="비고"),
+ *     @OA\Property(property="check_in", type="string", example="09:00:00", description="출근 시간"),
+ *     @OA\Property(property="check_out", type="string", example="18:00:00", description="퇴근 시간"),
+ *     @OA\Property(property="work_minutes", type="integer", example=540, description="근무 시간(분)")
+ * )
+ *
+ * @OA\Schema(
+ *     schema="AttendanceMonthlyStats",
+ *     type="object",
+ *     description="월간 근태 통계",
+ *
+ *     @OA\Property(property="year", type="integer", example=2024),
+ *     @OA\Property(property="month", type="integer", example=1),
+ *     @OA\Property(property="total_days", type="integer", example=22, description="총 기록 일수"),
+ *     @OA\Property(property="by_status", type="object", description="상태별 일수",
+ *         @OA\Property(property="onTime", type="integer", example=18),
+ *         @OA\Property(property="late", type="integer", example=2),
+ *         @OA\Property(property="absent", type="integer", example=0),
+ *         @OA\Property(property="vacation", type="integer", example=2),
+ *         @OA\Property(property="businessTrip", type="integer", example=0),
+ *         @OA\Property(property="fieldWork", type="integer", example=0),
+ *         @OA\Property(property="overtime", type="integer", example=0),
+ *         @OA\Property(property="remote", type="integer", example=0)
+ *     ),
+ *     @OA\Property(property="total_work_minutes", type="integer", example=11880, description="총 근무 시간(분)"),
+ *     @OA\Property(property="total_overtime_minutes", type="integer", example=300, description="총 초과 근무 시간(분)")
+ * )
+ */
+class AttendanceApi
+{
+    /**
+     * @OA\Get(
+     *     path="/api/v1/attendances",
+     *     tags={"Attendances"},
+     *     summary="근태 목록 조회",
+     *     description="필터/검색/페이지네이션으로 근태 목록을 조회합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="user_id", in="query", description="사용자 ID 필터", @OA\Schema(type="integer")),
+     *     @OA\Parameter(name="date", in="query", description="특정 날짜 (YYYY-MM-DD)", @OA\Schema(type="string", format="date")),
+     *     @OA\Parameter(name="date_from", in="query", description="시작 날짜", @OA\Schema(type="string", format="date")),
+     *     @OA\Parameter(name="date_to", in="query", description="종료 날짜", @OA\Schema(type="string", format="date")),
+     *     @OA\Parameter(name="status", in="query", description="근태 상태", @OA\Schema(type="string", enum={"onTime","late","absent","vacation","businessTrip","fieldWork","overtime","remote"})),
+     *     @OA\Parameter(name="department_id", in="query", description="부서 ID 필터", @OA\Schema(type="integer")),
+     *     @OA\Parameter(name="sort_by", in="query", description="정렬 기준", @OA\Schema(type="string", enum={"base_date","status","created_at"}, default="base_date")),
+     *     @OA\Parameter(name="sort_dir", in="query", description="정렬 방향", @OA\Schema(type="string", enum={"asc","desc"}, default="desc")),
+     *     @OA\Parameter(ref="#/components/parameters/Page"),
+     *     @OA\Parameter(ref="#/components/parameters/Size"),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="조회 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(
+     *
+     *                     @OA\Property(
+     *                         property="data",
+     *                         type="object",
+     *                         @OA\Property(property="current_page", type="integer", example=1),
+     *                         @OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/Attendance")),
+     *                         @OA\Property(property="per_page", type="integer", example=20),
+     *                         @OA\Property(property="total", type="integer", example=100)
+     *                     )
+     *                 )
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function index() {}
+
+    /**
+     * @OA\Get(
+     *     path="/api/v1/attendances/monthly-stats",
+     *     tags={"Attendances"},
+     *     summary="월간 통계 조회",
+     *     description="월간 근태 통계를 조회합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="year", in="query", description="연도", @OA\Schema(type="integer", example=2024)),
+     *     @OA\Parameter(name="month", in="query", description="월", @OA\Schema(type="integer", example=1, minimum=1, maximum=12)),
+     *     @OA\Parameter(name="user_id", in="query", description="특정 사용자 ID (미지정시 전체)", @OA\Schema(type="integer")),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="조회 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/AttendanceMonthlyStats"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function monthlyStats() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/attendances/check-in",
+     *     tags={"Attendances"},
+     *     summary="출근 기록 (체크인)",
+     *     description="출근 시간을 기록합니다. 당일 기록이 없으면 새로 생성, 있으면 업데이트합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\RequestBody(
+     *         required=false,
+     *
+     *         @OA\JsonContent(
+     *             type="object",
+     *
+     *             @OA\Property(property="user_id", type="integer", example=10, description="사용자 ID (미지정시 본인)"),
+     *             @OA\Property(property="check_in", type="string", example="09:00:00", description="출근 시간 (미지정시 현재 시간)"),
+     *             @OA\Property(property="gps_data", type="object", description="GPS 데이터",
+     *                 @OA\Property(property="latitude", type="number", format="float", example=37.5665),
+     *                 @OA\Property(property="longitude", type="number", format="float", example=126.9780)
+     *             )
+     *         )
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="출근 기록 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Attendance"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function checkIn() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/attendances/check-out",
+     *     tags={"Attendances"},
+     *     summary="퇴근 기록 (체크아웃)",
+     *     description="퇴근 시간을 기록합니다. 출근 기록이 없으면 에러가 발생합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\RequestBody(
+     *         required=false,
+     *
+     *         @OA\JsonContent(
+     *             type="object",
+     *
+     *             @OA\Property(property="user_id", type="integer", example=10, description="사용자 ID (미지정시 본인)"),
+     *             @OA\Property(property="check_out", type="string", example="18:00:00", description="퇴근 시간 (미지정시 현재 시간)"),
+     *             @OA\Property(property="gps_data", type="object", description="GPS 데이터",
+     *                 @OA\Property(property="latitude", type="number", format="float", example=37.5665),
+     *                 @OA\Property(property="longitude", type="number", format="float", example=126.9780)
+     *             )
+     *         )
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="퇴근 기록 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Attendance"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="출근 기록 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function checkOut() {}
+
+    /**
+     * @OA\Get(
+     *     path="/api/v1/attendances/{id}",
+     *     tags={"Attendances"},
+     *     summary="근태 상세 조회",
+     *     description="ID 기준 근태 상세 정보를 조회합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="근태 ID", @OA\Schema(type="integer", example=1)),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="조회 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Attendance"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="근태 기록을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function show() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/attendances",
+     *     tags={"Attendances"},
+     *     summary="근태 등록",
+     *     description="새 근태 기록을 등록합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(ref="#/components/schemas/AttendanceCreateRequest")
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=201,
+     *         description="등록 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Attendance"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=409, description="같은 날 기록이 이미 존재함", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function store() {}
+
+    /**
+     * @OA\Patch(
+     *     path="/api/v1/attendances/{id}",
+     *     tags={"Attendances"},
+     *     summary="근태 수정",
+     *     description="근태 기록을 수정합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="근태 ID", @OA\Schema(type="integer")),
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(ref="#/components/schemas/AttendanceUpdateRequest")
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="수정 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Attendance"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="근태 기록을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function update() {}
+
+    /**
+     * @OA\Delete(
+     *     path="/api/v1/attendances/{id}",
+     *     tags={"Attendances"},
+     *     summary="근태 삭제",
+     *     description="근태 기록을 삭제합니다 (소프트 삭제).",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="근태 ID", @OA\Schema(type="integer")),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="삭제 성공",
+     *
+     *         @OA\JsonContent(
+     *
+     *             @OA\Property(property="success", type="boolean", example=true),
+     *             @OA\Property(property="message", type="string", example="삭제 완료"),
+     *             @OA\Property(property="data", type="boolean", example=true)
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="근태 기록을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function destroy() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/attendances/bulk-delete",
+     *     tags={"Attendances"},
+     *     summary="근태 일괄 삭제",
+     *     description="여러 근태 기록을 일괄 삭제합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(
+     *             type="object",
+     *             required={"ids"},
+     *
+     *             @OA\Property(property="ids", type="array", @OA\Items(type="integer"), example={1, 2, 3}, description="삭제할 근태 ID 목록")
+     *         )
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="일괄 삭제 성공",
+     *
+     *         @OA\JsonContent(
+     *
+     *             @OA\Property(property="success", type="boolean", example=true),
+     *             @OA\Property(property="message", type="string", example="일괄 삭제 완료"),
+     *             @OA\Property(property="data", type="object",
+     *                 @OA\Property(property="deleted_count", type="integer", example=3)
+     *             )
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function bulkDelete() {}
+}
diff --git a/app/Swagger/v1/EmployeeApi.php b/app/Swagger/v1/EmployeeApi.php
new file mode 100644
index 0000000..7fed572
--- /dev/null
+++ b/app/Swagger/v1/EmployeeApi.php
@@ -0,0 +1,433 @@
+<?php
+
+namespace App\Swagger\v1;
+
+/**
+ * @OA\Tag(name="Employees", description="사원 관리 (HR)")
+ *
+ * @OA\Schema(
+ *     schema="Employee",
+ *     type="object",
+ *     description="사원 정보",
+ *
+ *     @OA\Property(property="id", type="integer", example=1, description="사원 프로필 ID"),
+ *     @OA\Property(property="tenant_id", type="integer", example=1, description="테넌트 ID"),
+ *     @OA\Property(property="user_id", type="integer", example=10, description="사용자 ID"),
+ *     @OA\Property(property="name", type="string", example="홍길동", description="이름"),
+ *     @OA\Property(property="email", type="string", example="hong@company.com", description="이메일"),
+ *     @OA\Property(property="phone", type="string", example="010-1234-5678", description="연락처"),
+ *     @OA\Property(property="department_id", type="integer", example=5, nullable=true, description="부서 ID"),
+ *     @OA\Property(property="department_name", type="string", example="개발팀", nullable=true, description="부서명"),
+ *     @OA\Property(property="position_key", type="string", example="manager", nullable=true, description="직급 키"),
+ *     @OA\Property(property="job_title_key", type="string", example="developer", nullable=true, description="직책 키"),
+ *     @OA\Property(property="work_location_key", type="string", example="seoul_hq", nullable=true, description="근무지 키"),
+ *     @OA\Property(property="employment_type_key", type="string", example="fulltime", nullable=true, description="고용형태 키"),
+ *     @OA\Property(property="employee_status", type="string", enum={"active", "leave", "resigned"}, example="active", description="고용상태"),
+ *     @OA\Property(property="manager_user_id", type="integer", example=5, nullable=true, description="상급자 ID"),
+ *     @OA\Property(property="display_name", type="string", example="홍길동 매니저", nullable=true, description="표시명"),
+ *     @OA\Property(property="profile_photo_path", type="string", example="/photos/hong.jpg", nullable=true, description="프로필 사진 경로"),
+ *     @OA\Property(property="employee_code", type="string", example="EMP-001", nullable=true, description="사원번호"),
+ *     @OA\Property(property="hire_date", type="string", format="date", example="2020-03-15", nullable=true, description="입사일"),
+ *     @OA\Property(property="rank", type="string", example="G3", nullable=true, description="호봉"),
+ *     @OA\Property(property="work_type", type="string", enum={"regular", "daily", "temporary", "external"}, example="regular", nullable=true, description="근무형태"),
+ *     @OA\Property(property="has_account", type="boolean", example=true, description="시스템 계정 보유 여부"),
+ *     @OA\Property(property="is_active", type="boolean", example=true, description="활성 상태"),
+ *     @OA\Property(property="created_at", type="string", format="date-time", example="2020-03-15T09:00:00Z"),
+ *     @OA\Property(property="updated_at", type="string", format="date-time", example="2024-01-10T14:30:00Z")
+ * )
+ *
+ * @OA\Schema(
+ *     schema="EmployeeCreateRequest",
+ *     type="object",
+ *     required={"name", "email"},
+ *     description="사원 등록 요청",
+ *
+ *     @OA\Property(property="user_id", type="string", example="hong001", description="사용자 ID (로그인 ID)"),
+ *     @OA\Property(property="name", type="string", example="홍길동", description="이름"),
+ *     @OA\Property(property="email", type="string", format="email", example="hong@company.com", description="이메일"),
+ *     @OA\Property(property="phone", type="string", example="010-1234-5678", description="연락처"),
+ *     @OA\Property(property="password", type="string", example="Password123!", description="초기 비밀번호 (미입력시 계정 미생성)"),
+ *     @OA\Property(property="is_active", type="boolean", example=true, description="활성 상태"),
+ *     @OA\Property(property="department_id", type="integer", example=5, description="부서 ID"),
+ *     @OA\Property(property="position_key", type="string", example="manager", description="직급 키"),
+ *     @OA\Property(property="job_title_key", type="string", example="developer", description="직책 키"),
+ *     @OA\Property(property="work_location_key", type="string", example="seoul_hq", description="근무지 키"),
+ *     @OA\Property(property="employment_type_key", type="string", example="fulltime", description="고용형태 키"),
+ *     @OA\Property(property="employee_status", type="string", enum={"active", "leave", "resigned"}, example="active", description="고용상태"),
+ *     @OA\Property(property="manager_user_id", type="integer", example=5, description="상급자 ID"),
+ *     @OA\Property(property="display_name", type="string", example="홍길동 매니저", description="표시명"),
+ *     @OA\Property(property="employee_code", type="string", example="EMP-001", description="사원번호"),
+ *     @OA\Property(property="resident_number", type="string", example="encrypted_value", description="주민번호 (암호화)"),
+ *     @OA\Property(property="gender", type="string", enum={"male", "female"}, example="male", description="성별"),
+ *     @OA\Property(
+ *         property="address",
+ *         type="object",
+ *         @OA\Property(property="zipCode", type="string", example="06234"),
+ *         @OA\Property(property="address1", type="string", example="서울시 강남구 테헤란로 123"),
+ *         @OA\Property(property="address2", type="string", example="10층 1001호")
+ *     ),
+ *     @OA\Property(property="salary", type="number", format="float", example=50000000, description="연봉"),
+ *     @OA\Property(property="hire_date", type="string", format="date", example="2020-03-15", description="입사일"),
+ *     @OA\Property(property="rank", type="string", example="G3", description="호봉"),
+ *     @OA\Property(
+ *         property="bank_account",
+ *         type="object",
+ *         @OA\Property(property="bankName", type="string", example="국민은행"),
+ *         @OA\Property(property="accountNumber", type="string", example="123-456-789012"),
+ *         @OA\Property(property="accountHolder", type="string", example="홍길동")
+ *     ),
+ *     @OA\Property(property="work_type", type="string", enum={"regular", "daily", "temporary", "external"}, example="regular", description="근무형태"),
+ *     @OA\Property(
+ *         property="contract_info",
+ *         type="object",
+ *         @OA\Property(property="start_date", type="string", format="date", example="2024-01-01"),
+ *         @OA\Property(property="end_date", type="string", format="date", example="2024-12-31"),
+ *         @OA\Property(property="external_company", type="string", example="파트너사")
+ *     )
+ * )
+ *
+ * @OA\Schema(
+ *     schema="EmployeeUpdateRequest",
+ *     type="object",
+ *     description="사원 수정 요청",
+ *
+ *     @OA\Property(property="name", type="string", example="홍길동"),
+ *     @OA\Property(property="email", type="string", format="email", example="hong@company.com"),
+ *     @OA\Property(property="phone", type="string", example="010-1234-5678"),
+ *     @OA\Property(property="is_active", type="boolean", example=true),
+ *     @OA\Property(property="department_id", type="integer", example=5),
+ *     @OA\Property(property="position_key", type="string", example="manager"),
+ *     @OA\Property(property="job_title_key", type="string", example="developer"),
+ *     @OA\Property(property="work_location_key", type="string", example="seoul_hq"),
+ *     @OA\Property(property="employment_type_key", type="string", example="fulltime"),
+ *     @OA\Property(property="employee_status", type="string", enum={"active", "leave", "resigned"}, example="active"),
+ *     @OA\Property(property="manager_user_id", type="integer", example=5),
+ *     @OA\Property(property="display_name", type="string", example="홍길동 매니저"),
+ *     @OA\Property(property="employee_code", type="string", example="EMP-001"),
+ *     @OA\Property(property="hire_date", type="string", format="date", example="2020-03-15"),
+ *     @OA\Property(property="rank", type="string", example="G3"),
+ *     @OA\Property(property="work_type", type="string", enum={"regular", "daily", "temporary", "external"}, example="regular")
+ * )
+ *
+ * @OA\Schema(
+ *     schema="EmployeeStats",
+ *     type="object",
+ *     description="사원 통계",
+ *
+ *     @OA\Property(property="total", type="integer", example=150, description="전체 사원 수"),
+ *     @OA\Property(property="active", type="integer", example=140, description="재직 중"),
+ *     @OA\Property(property="leave", type="integer", example=5, description="휴직 중"),
+ *     @OA\Property(property="resigned", type="integer", example=5, description="퇴직"),
+ *     @OA\Property(property="has_account", type="integer", example=130, description="시스템 계정 보유"),
+ *     @OA\Property(property="no_account", type="integer", example=20, description="시스템 계정 미보유")
+ * )
+ */
+class EmployeeApi
+{
+    /**
+     * @OA\Get(
+     *     path="/api/v1/employees",
+     *     tags={"Employees"},
+     *     summary="사원 목록 조회",
+     *     description="필터/검색/페이지네이션으로 사원 목록을 조회합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="q", in="query", description="이름/이메일/사원번호 검색어", @OA\Schema(type="string")),
+     *     @OA\Parameter(name="status", in="query", description="고용상태 필터", @OA\Schema(type="string", enum={"active", "leave", "resigned"})),
+     *     @OA\Parameter(name="department_id", in="query", description="부서 ID 필터", @OA\Schema(type="integer", example=5)),
+     *     @OA\Parameter(name="has_account", in="query", description="시스템 계정 보유 여부", @OA\Schema(type="string", enum={"0", "1", "true", "false"})),
+     *     @OA\Parameter(name="sort_by", in="query", description="정렬 기준", @OA\Schema(type="string", enum={"created_at", "name", "employee_status", "department_id"}, default="created_at")),
+     *     @OA\Parameter(name="sort_dir", in="query", description="정렬 방향", @OA\Schema(type="string", enum={"asc", "desc"}, default="desc")),
+     *     @OA\Parameter(ref="#/components/parameters/Page"),
+     *     @OA\Parameter(ref="#/components/parameters/Size"),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="조회 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(
+     *
+     *                     @OA\Property(
+     *                         property="data",
+     *                         type="object",
+     *                         @OA\Property(property="current_page", type="integer", example=1),
+     *                         @OA\Property(property="data", type="array", @OA\Items(ref="#/components/schemas/Employee")),
+     *                         @OA\Property(property="first_page_url", type="string", example="/api/v1/employees?page=1"),
+     *                         @OA\Property(property="from", type="integer", example=1),
+     *                         @OA\Property(property="last_page", type="integer", example=8),
+     *                         @OA\Property(property="last_page_url", type="string", example="/api/v1/employees?page=8"),
+     *                         @OA\Property(property="next_page_url", type="string", nullable=true, example="/api/v1/employees?page=2"),
+     *                         @OA\Property(property="path", type="string", example="/api/v1/employees"),
+     *                         @OA\Property(property="per_page", type="integer", example=20),
+     *                         @OA\Property(property="prev_page_url", type="string", nullable=true, example=null),
+     *                         @OA\Property(property="to", type="integer", example=20),
+     *                         @OA\Property(property="total", type="integer", example=150)
+     *                     )
+     *                 )
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function index() {}
+
+    /**
+     * @OA\Get(
+     *     path="/api/v1/employees/stats",
+     *     tags={"Employees"},
+     *     summary="사원 통계 조회",
+     *     description="사원 현황 통계를 조회합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="조회 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/EmployeeStats"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function stats() {}
+
+    /**
+     * @OA\Get(
+     *     path="/api/v1/employees/{id}",
+     *     tags={"Employees"},
+     *     summary="사원 상세 조회",
+     *     description="ID 기준 사원 상세 정보를 조회합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="사원 프로필 ID", @OA\Schema(type="integer", example=1)),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="조회 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Employee"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="사원을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function show() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/employees",
+     *     tags={"Employees"},
+     *     summary="사원 등록",
+     *     description="새 사원을 등록합니다. password를 입력하면 시스템 계정도 함께 생성됩니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(ref="#/components/schemas/EmployeeCreateRequest")
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=201,
+     *         description="등록 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Employee"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=409, description="이메일 중복", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function store() {}
+
+    /**
+     * @OA\Patch(
+     *     path="/api/v1/employees/{id}",
+     *     tags={"Employees"},
+     *     summary="사원 수정",
+     *     description="사원 정보를 수정합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="사원 프로필 ID", @OA\Schema(type="integer")),
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(ref="#/components/schemas/EmployeeUpdateRequest")
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="수정 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Employee"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="사원을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=409, description="이메일 중복", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function update() {}
+
+    /**
+     * @OA\Delete(
+     *     path="/api/v1/employees/{id}",
+     *     tags={"Employees"},
+     *     summary="사원 삭제 (퇴직 처리)",
+     *     description="사원을 퇴직 처리합니다. employee_status가 'resigned'로 변경되고 소프트 삭제됩니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="사원 프로필 ID", @OA\Schema(type="integer")),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="삭제 성공",
+     *
+     *         @OA\JsonContent(
+     *
+     *             @OA\Property(property="success", type="boolean", example=true),
+     *             @OA\Property(property="message", type="string", example="삭제 완료"),
+     *             @OA\Property(property="data", type="boolean", example=true)
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="사원을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function destroy() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/employees/bulk-delete",
+     *     tags={"Employees"},
+     *     summary="사원 일괄 삭제",
+     *     description="여러 사원을 일괄 퇴직 처리합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(
+     *             type="object",
+     *             required={"ids"},
+     *
+     *             @OA\Property(property="ids", type="array", @OA\Items(type="integer"), example={1, 2, 3}, description="삭제할 사원 ID 목록")
+     *         )
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="일괄 삭제 성공",
+     *
+     *         @OA\JsonContent(
+     *
+     *             @OA\Property(property="success", type="boolean", example=true),
+     *             @OA\Property(property="message", type="string", example="일괄 삭제 완료"),
+     *             @OA\Property(
+     *                 property="data",
+     *                 type="object",
+     *                 @OA\Property(property="deleted_count", type="integer", example=3)
+     *             )
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function bulkDelete() {}
+
+    /**
+     * @OA\Post(
+     *     path="/api/v1/employees/{id}/create-account",
+     *     tags={"Employees"},
+     *     summary="시스템 계정 생성",
+     *     description="기존 사원에게 시스템 로그인 계정을 생성합니다.",
+     *     security={{"ApiKeyAuth":{}},{"BearerAuth":{}}},
+     *
+     *     @OA\Parameter(name="id", in="path", required=true, description="사원 프로필 ID", @OA\Schema(type="integer")),
+     *
+     *     @OA\RequestBody(
+     *         required=true,
+     *
+     *         @OA\JsonContent(
+     *             type="object",
+     *             required={"password"},
+     *
+     *             @OA\Property(property="password", type="string", minLength=8, example="Password123!", description="계정 비밀번호")
+     *         )
+     *     ),
+     *
+     *     @OA\Response(
+     *         response=200,
+     *         description="계정 생성 성공",
+     *
+     *         @OA\JsonContent(
+     *             allOf={
+     *
+     *                 @OA\Schema(ref="#/components/schemas/ApiResponse"),
+     *                 @OA\Schema(@OA\Property(property="data", ref="#/components/schemas/Employee"))
+     *             }
+     *         )
+     *     ),
+     *
+     *     @OA\Response(response=400, description="잘못된 요청", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=401, description="인증 실패", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=403, description="권한 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=404, description="사원을 찾을 수 없음", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=409, description="이미 계정이 존재함", @OA\JsonContent(ref="#/components/schemas/ErrorResponse")),
+     *     @OA\Response(response=500, description="서버 에러", @OA\JsonContent(ref="#/components/schemas/ErrorResponse"))
+     * )
+     */
+    public function createAccount() {}
+}
diff --git a/database/migrations/2025_12_09_084138_add_employee_status_to_tenant_user_profiles_table.php b/database/migrations/2025_12_09_084138_add_employee_status_to_tenant_user_profiles_table.php
new file mode 100644
index 0000000..01191ae
--- /dev/null
+++ b/database/migrations/2025_12_09_084138_add_employee_status_to_tenant_user_profiles_table.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('tenant_user_profiles', function (Blueprint $table) {
+            // 인덱싱 필요한 필드만 컬럼으로 추가
+            $table->enum('employee_status', ['active', 'leave', 'resigned'])
+                ->default('active')
+                ->after('employment_type_key')
+                ->comment('고용상태: active(재직), leave(휴직), resigned(퇴직)');
+
+            // 복합 인덱스 추가
+            $table->index(['tenant_id', 'employee_status'], 'idx_tenant_employee_status');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('tenant_user_profiles', function (Blueprint $table) {
+            $table->dropIndex('idx_tenant_employee_status');
+            $table->dropColumn('employee_status');
+        });
+    }
+};
diff --git a/database/migrations/2025_12_09_084231_create_attendances_table.php b/database/migrations/2025_12_09_084231_create_attendances_table.php
new file mode 100644
index 0000000..9f5abc1
--- /dev/null
+++ b/database/migrations/2025_12_09_084231_create_attendances_table.php
@@ -0,0 +1,72 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('attendances', function (Blueprint $table) {
+            $table->id();
+
+            // 인덱싱 필요 필드 (컬럼)
+            $table->unsignedBigInteger('tenant_id')->comment('테넌트 ID');
+            $table->unsignedBigInteger('user_id')->comment('사용자 ID');
+            $table->date('base_date')->comment('기준일');
+            $table->enum('status', [
+                'onTime',       // 정시 출근
+                'late',         // 지각
+                'absent',       // 결근
+                'vacation',     // 휴가
+                'businessTrip', // 출장
+                'fieldWork',    // 외근
+                'overtime',     // 야근
+                'remote',       // 재택
+            ])->default('onTime')->comment('근태 상태');
+
+            // 확장 가능한 상세 정보 (JSON)
+            // {
+            //   "check_in": "09:00:00",
+            //   "check_out": "18:00:00",
+            //   "break_time": "01:00",
+            //   "overtime_hours": "02:00",
+            //   "reason": { "type": "vacationRequest", "label": "연차", "document_id": "DOC-001" },
+            //   "gps_data": { "check_in_location": {...}, "check_out_location": {...}, "is_auto_checked": true },
+            //   "external_work": { "type": "dispatch", "location": "협력사 A", "company": "ABC Corp" },
+            //   "multiple_entries": [{ "in": "09:00", "out": "12:00" }, { "in": "13:00", "out": "18:00" }]
+            // }
+            $table->json('json_details')->nullable()->comment('출퇴근 상세 정보 (JSON)');
+
+            // 감사 로그
+            $table->unsignedBigInteger('created_by')->nullable()->comment('생성자 ID');
+            $table->unsignedBigInteger('updated_by')->nullable()->comment('수정자 ID');
+            $table->unsignedBigInteger('deleted_by')->nullable()->comment('삭제자 ID');
+            $table->timestamps();
+            $table->softDeletes();
+
+            // 외래 키
+            $table->foreign('tenant_id')->references('id')->on('tenants')->onDelete('cascade');
+            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
+
+            // 유니크 제약: 같은 테넌트/사용자/날짜에 하나의 근태 레코드만 허용
+            $table->unique(['tenant_id', 'user_id', 'base_date'], 'uq_attendance_user_date');
+
+            // 인덱스
+            $table->index(['tenant_id', 'base_date', 'status'], 'idx_attendance_tenant_date_status');
+            $table->index(['tenant_id', 'user_id'], 'idx_attendance_tenant_user');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('attendances');
+    }
+};
diff --git a/database/migrations/2025_12_09_110130_add_remarks_to_attendances_table.php b/database/migrations/2025_12_09_110130_add_remarks_to_attendances_table.php
new file mode 100644
index 0000000..97a3ae4
--- /dev/null
+++ b/database/migrations/2025_12_09_110130_add_remarks_to_attendances_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('attendances', function (Blueprint $table) {
+            $table->string('remarks', 500)->nullable()->after('json_details')->comment('비고');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('attendances', function (Blueprint $table) {
+            $table->dropColumn('remarks');
+        });
+    }
+};
diff --git a/routes/api.php b/routes/api.php
index bbb0dc1..e17b625 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -13,6 +13,8 @@
 use App\Http\Controllers\Api\V1\ClientGroupController;
 use App\Http\Controllers\Api\V1\CommonController;
 use App\Http\Controllers\Api\V1\DepartmentController;
+use App\Http\Controllers\Api\V1\EmployeeController;
+use App\Http\Controllers\Api\V1\AttendanceController;
 use App\Http\Controllers\Api\V1\Design\AuditLogController as DesignAuditLogController;
 use App\Http\Controllers\Api\V1\Design\BomCalculationController;
 use App\Http\Controllers\Api\V1\Design\BomTemplateController as DesignBomTemplateController;
@@ -30,6 +32,9 @@
 use App\Http\Controllers\Api\V1\ItemMaster\ItemSectionController;
 use App\Http\Controllers\Api\V1\ItemMaster\SectionTemplateController;
 use App\Http\Controllers\Api\V1\ItemMaster\UnitOptionController;
+use App\Http\Controllers\Api\V1\ItemsBomController;
+use App\Http\Controllers\Api\V1\ItemsController;
+use App\Http\Controllers\Api\V1\ItemsFileController;
 use App\Http\Controllers\Api\V1\MaterialController;
 use App\Http\Controllers\Api\V1\MenuController;
 use App\Http\Controllers\Api\V1\ModelSetController;
@@ -194,6 +199,7 @@
         Route::prefix('departments')->group(function () {
             Route::get('', [DepartmentController::class, 'index'])->name('v1.departments.index');   // 목록
             Route::post('', [DepartmentController::class, 'store'])->name('v1.departments.store');   // 생성
+            Route::get('/tree', [DepartmentController::class, 'tree'])->name('v1.departments.tree');   // 트리
             Route::get('/{id}', [DepartmentController::class, 'show'])->name('v1.departments.show');     // 단건
             Route::patch('/{id}', [DepartmentController::class, 'update'])->name('v1.departments.update'); // 수정
             Route::delete('/{id}', [DepartmentController::class, 'destroy'])->name('v1.departments.destroy'); // 삭제(soft)
@@ -210,6 +216,31 @@
             Route::delete('/{id}/permissions/{permission}', [DepartmentController::class, 'revokePermissions'])->name('v1.departments.permissions.revoke'); // 권한 제거(해당 메뉴 범위까지)
         });
 
+        // Employee API (사원 관리)
+        Route::prefix('employees')->group(function () {
+            Route::get('', [EmployeeController::class, 'index'])->name('v1.employees.index');
+            Route::post('', [EmployeeController::class, 'store'])->name('v1.employees.store');
+            Route::get('/stats', [EmployeeController::class, 'stats'])->name('v1.employees.stats');
+            Route::get('/{id}', [EmployeeController::class, 'show'])->name('v1.employees.show');
+            Route::patch('/{id}', [EmployeeController::class, 'update'])->name('v1.employees.update');
+            Route::delete('/{id}', [EmployeeController::class, 'destroy'])->name('v1.employees.destroy');
+            Route::post('/bulk-delete', [EmployeeController::class, 'bulkDelete'])->name('v1.employees.bulkDelete');
+            Route::post('/{id}/create-account', [EmployeeController::class, 'createAccount'])->name('v1.employees.createAccount');
+        });
+
+        // Attendance API (근태 관리)
+        Route::prefix('attendances')->group(function () {
+            Route::get('', [AttendanceController::class, 'index'])->name('v1.attendances.index');
+            Route::post('', [AttendanceController::class, 'store'])->name('v1.attendances.store');
+            Route::get('/monthly-stats', [AttendanceController::class, 'monthlyStats'])->name('v1.attendances.monthlyStats');
+            Route::post('/check-in', [AttendanceController::class, 'checkIn'])->name('v1.attendances.checkIn');
+            Route::post('/check-out', [AttendanceController::class, 'checkOut'])->name('v1.attendances.checkOut');
+            Route::get('/{id}', [AttendanceController::class, 'show'])->name('v1.attendances.show');
+            Route::patch('/{id}', [AttendanceController::class, 'update'])->name('v1.attendances.update');
+            Route::delete('/{id}', [AttendanceController::class, 'destroy'])->name('v1.attendances.destroy');
+            Route::post('/bulk-delete', [AttendanceController::class, 'bulkDelete'])->name('v1.attendances.bulkDelete');
+        });
+
         // Permission API
         Route::prefix('permissions')->group(function () {
             Route::get('departments/{dept_id}/menu-matrix', [PermissionController::class, 'deptMenuMatrix'])->name('v1.permissions.deptMenuMatrix'); // 부서별 권한 메트릭스
@@ -408,33 +439,33 @@
 
         // Items (통합 품목 조회 - materials + products UNION)
         Route::prefix('items')->group(function () {
-            Route::get('', [\App\Http\Controllers\Api\V1\ItemsController::class, 'index'])->name('v1.items.index');     // 통합 목록
-            Route::post('', [\App\Http\Controllers\Api\V1\ItemsController::class, 'store'])->name('v1.items.store');    // 품목 생성
-            Route::get('/code/{code}', [\App\Http\Controllers\Api\V1\ItemsController::class, 'showByCode'])->name('v1.items.show_by_code'); // code 기반 조회
-            Route::get('/{id}', [\App\Http\Controllers\Api\V1\ItemsController::class, 'show'])->name('v1.items.show');       // 단건 (item_type 파라미터 필수)
-            Route::put('/{id}', [\App\Http\Controllers\Api\V1\ItemsController::class, 'update'])->name('v1.items.update'); // 품목 수정
-            Route::delete('/batch', [\App\Http\Controllers\Api\V1\ItemsController::class, 'batchDestroy'])->name('v1.items.batch_destroy'); // 품목 일괄 삭제
-            Route::delete('/{id}', [\App\Http\Controllers\Api\V1\ItemsController::class, 'destroy'])->name('v1.items.destroy'); // 품목 삭제
+            Route::get('', [ItemsController::class, 'index'])->name('v1.items.index');     // 통합 목록
+            Route::post('', [ItemsController::class, 'store'])->name('v1.items.store');    // 품목 생성
+            Route::get('/code/{code}', [ItemsController::class, 'showByCode'])->name('v1.items.show_by_code'); // code 기반 조회
+            Route::get('/{id}', [ItemsController::class, 'show'])->name('v1.items.show');       // 단건 (item_type 파라미터 필수)
+            Route::put('/{id}', [ItemsController::class, 'update'])->name('v1.items.update'); // 품목 수정
+            Route::delete('/batch', [ItemsController::class, 'batchDestroy'])->name('v1.items.batch_destroy'); // 품목 일괄 삭제
+            Route::delete('/{id}', [ItemsController::class, 'destroy'])->name('v1.items.destroy'); // 품목 삭제
         });
 
         // Items BOM (ID-based BOM API)
         Route::prefix('items/{id}/bom')->group(function () {
-            Route::get('', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'index'])->name('v1.items.bom.index');              // BOM 목록 (flat)
-            Route::get('/tree', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'tree'])->name('v1.items.bom.tree');            // BOM 트리 (계층)
-            Route::post('', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'store'])->name('v1.items.bom.store');             // BOM 추가 (bulk)
-            Route::put('/{lineId}', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'update'])->name('v1.items.bom.update');    // BOM 수정
-            Route::delete('/{lineId}', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'destroy'])->name('v1.items.bom.destroy'); // BOM 삭제
-            Route::get('/summary', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'summary'])->name('v1.items.bom.summary');   // BOM 요약
-            Route::get('/validate', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'validate'])->name('v1.items.bom.validate'); // BOM 검증
-            Route::post('/replace', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'replace'])->name('v1.items.bom.replace');  // BOM 전체 교체
-            Route::post('/reorder', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'reorder'])->name('v1.items.bom.reorder');  // BOM 정렬
-            Route::get('/categories', [\App\Http\Controllers\Api\V1\ItemsBomController::class, 'listCategories'])->name('v1.items.bom.categories'); // 카테고리 목록
+            Route::get('', [ItemsBomController::class, 'index'])->name('v1.items.bom.index');              // BOM 목록 (flat)
+            Route::get('/tree', [ItemsBomController::class, 'tree'])->name('v1.items.bom.tree');            // BOM 트리 (계층)
+            Route::post('', [ItemsBomController::class, 'store'])->name('v1.items.bom.store');             // BOM 추가 (bulk)
+            Route::put('/{lineId}', [ItemsBomController::class, 'update'])->name('v1.items.bom.update');    // BOM 수정
+            Route::delete('/{lineId}', [ItemsBomController::class, 'destroy'])->name('v1.items.bom.destroy'); // BOM 삭제
+            Route::get('/summary', [ItemsBomController::class, 'summary'])->name('v1.items.bom.summary');   // BOM 요약
+            Route::get('/validate', [ItemsBomController::class, 'validate'])->name('v1.items.bom.validate'); // BOM 검증
+            Route::post('/replace', [ItemsBomController::class, 'replace'])->name('v1.items.bom.replace');  // BOM 전체 교체
+            Route::post('/reorder', [ItemsBomController::class, 'reorder'])->name('v1.items.bom.reorder');  // BOM 정렬
+            Route::get('/categories', [ItemsBomController::class, 'listCategories'])->name('v1.items.bom.categories'); // 카테고리 목록
         });
 
         // Items Files (ID-based File Upload API)
         Route::prefix('items/{id}/files')->group(function () {
-            Route::post('', [\App\Http\Controllers\Api\V1\ItemsFileController::class, 'upload'])->name('v1.items.files.upload');          // 파일 업로드
-            Route::delete('/{type}', [\App\Http\Controllers\Api\V1\ItemsFileController::class, 'delete'])->name('v1.items.files.delete'); // 파일 삭제 (type: bending_diagram|specification|certification)
+            Route::post('', [ItemsFileController::class, 'upload'])->name('v1.items.files.upload');          // 파일 업로드
+            Route::delete('/{type}', [ItemsFileController::class, 'delete'])->name('v1.items.files.delete'); // 파일 삭제 (type: bending_diagram|specification|certification)
         });
 
         // BOM (product_components: ref_type=PRODUCT|MATERIAL)