fix : 부서관리 기능 수정

- Route, Controller, Service, Swagger, DB 수정
- 모델 위치 이동

app/Models/Tenants/Department.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\Models\Tenants;
+
+use App\Models\Members\User;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphMany;
+use Spatie\Permission\Traits\HasRoles;
+use App\Traits\ModelTrait;
+use App\Models\Tenants\Pivots\DepartmentUser;
+use App\Models\Permissions\PermissionOverride;
+
+class Department extends Model
+{
+    use HasRoles, ModelTrait; // 부서도 권한/역할을 가짐
+
+    protected $table = 'departments';
+    protected $guarded = ['id'];
+    protected $casts = [
+        'tenant_id' => 'int',
+        'parent_id' => 'int',
+        'is_active' => 'bool',
+        'sort_order'=> 'int',
+    ];
+
+    protected $hidden = [
+        'deleted_by','deleted_at'
+    ];
+
+    // 스파티 가드명(프로젝트 설정에 맞게 조정)
+    protected string $guard_name = 'web';
+
+    /** 상위/하위 부서 */
+    public function parent(): BelongsTo
+    {
+        return $this->belongsTo(self::class, 'parent_id');
+    }
+
+    public function children()
+    {
+        return $this->hasMany(self::class, 'parent_id');
+    }
+
+    /** 부서-사용자 N:N (추가 컬럼 포함 Pivot) */
+    public function users()
+    {
+        return $this->belongsToMany(User::class, 'department_user')
+            ->using(DepartmentUser::class)
+            ->withTimestamps()
+            ->withPivot(['tenant_id','is_primary','joined_at','left_at']);
+    }
+
+    /** 부서의 권한 오버라이드(DENY/임시허용) */
+    public function permissionOverrides(): MorphMany
+    {
+        return $this->morphMany(PermissionOverride::class, 'model');
+    }
+
+    /** 부서-사용자 매핑 로우들(피벗 테이블의 레코드들) */
+    public function departmentUsers()
+    {
+        return $this->hasMany(DepartmentUser::class, 'department_id');
+    }
+}

app/Models/Tenants/Pivots/DepartmentUser.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Models\Tenants\Pivots;
+
+use App\Models\Commons\IdeHelperDepartmentUser;
+use App\Models\Members\User;
+use App\Models\Tenants\Department;
+use App\Traits\BelongsToTenant;
+use App\Traits\ModelTrait;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+/**
+ * @mixin IdeHelperDepartmentUser
+ */
+class DepartmentUser extends Model
+{
+    use SoftDeletes, BelongsToTenant, ModelTrait;
+
+    protected $table = 'department_user';
+    protected $fillable = [
+        'tenant_id','department_id','user_id','is_primary','joined_at','left_at',
+    ];
+
+    protected $casts = [
+        'tenant_id'     => 'integer',
+        'department_id' => 'integer',
+        'user_id'       => 'integer',
+        'is_primary'    => 'integer',
+        'joined_at'     => 'datetime',
+        'left_at'       => 'datetime',
+    ];
+
+    public function department()
+    {
+        return $this->belongsTo(Department::class, 'department_id');
+    }
+
+    public function user()
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+}

app/Models/Tenants/Tenant.php

@@ -2,11 +2,11 @@
 
 namespace App\Models\Tenants;
 
-use App\Models\Commons\Role;
 use App\Models\Commons\File;
 use App\Models\Members\User;
 use App\Models\Members\UserRole;
 use App\Models\Members\UserTenant;
+use App\Models\Permissions\Role;
 use App\Traits\ModelTrait;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;

app/Models/Tenants/TenantUserProfile.php

@@ -3,7 +3,6 @@
 namespace App\Models\Tenants;
 
 use App\Models\Members\User;
-use App\Models\Commons\Department;
 use Illuminate\Database\Eloquent\Model;
 
 /**