fix : 부서생성 API 오류 수정

app/Services/DepartmentService.php

@@ -59,8 +59,8 @@ public function index(array $params)
     /** 생성 */
     public function store(array $params)
     {
-        // 테넌트 강제가 필요하면 아래 라인 사용:
-        // $this->tenantIdOrFail();
+        $tenantId = $this->tenantId();
+        $userId = $this->apiUserId();
 
         $p = $this->v($params, [
             'code'        => 'nullable|string|max:50',
@@ -79,13 +79,14 @@ public function store(array $params)
         }
 
         $dept = Department::create([
+            'tenant_id'   => $tenantId,
             'code'        => $p['code']        ?? null,
             'name'        => $p['name'],
             'description' => $p['description'] ?? null,
             'is_active'   => isset($p['is_active']) ? (int)$p['is_active'] : 1,
             'sort_order'  => $p['sort_order']  ?? 0,
-            'created_by'  => $p['created_by']  ?? null,
-            'updated_by'  => $p['created_by']  ?? null,
+            'created_by'  => $userId  ?? null,
+            'updated_by'  => $userId  ?? null,
         ]);
 
         return $dept->fresh();
@@ -202,6 +203,8 @@ public function attachUser(int $deptId, array $params)
         if (!$dept) return ['error' => '부서를 찾을 수 없습니다.', 'code' => 404];
 
         $result = DB::transaction(function () use ($dept, $p) {
+            $tenantId = $this->tenantId();
+
             $du = DepartmentUser::withTrashed()
                 ->where('department_id', $dept->id)
                 ->where('user_id', $p['user_id'])
@@ -219,6 +222,7 @@ public function attachUser(int $deptId, array $params)
 
             $payload = [
                 'department_id' => $dept->id,
+                'tenant_id'     => $tenantId,
                 'user_id'       => $p['user_id'],
                 'is_primary'    => isset($p['is_primary']) ? (int)$p['is_primary'] : 0,
                 'joined_at'     => !empty($p['joined_at']) ? Carbon::parse($p['joined_at']) : now(),