Ory Keto ReBAC Policy & Relation Tuple Architecture

backend/internal/domain/user_group.go

@@ -11,14 +11,17 @@ import (
 type UserGroup struct {
 	ID          string         `gorm:"primaryKey;type:uuid;default:gen_random_uuid()" json:"id"`
 	TenantID    string         `gorm:"type:uuid;index;not null" json:"tenantId"`
+	ParentID    *string        `gorm:"type:uuid;index" json:"parentId,omitempty"` // 상위 조직 ID
 	Name        string         `gorm:"not null" json:"name"`
 	Description string         `json:"description"`
+	UnitType    string         `json:"unitType"` // 부, 국, 팀, 셀 등
 	CreatedAt   time.Time      `json:"createdAt"`
 	UpdatedAt   time.Time      `json:"updatedAt"`
 	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
 
 	// Relationships
-	Members []User `gorm:"-" json:"members,omitempty"`
+	Parent  *UserGroup `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
+	Members []User     `gorm:"-" json:"members,omitempty"`
 }
 
 type GroupRole struct {