feat: 테넌트 그룹 기반 권한 상속 고도화 및 개발자 포털 보안 강화 #239

backend/internal/domain/tenant.go

@@ -36,6 +36,28 @@ func (t *Tenant) IsActive() bool {
 	return t.Status == TenantStatusActive
 }
 
+// GetMergedConfig merges the group-level config with tenant-level config.
+// Tenant config takes precedence.
+func (t *Tenant) GetMergedConfig() JSONMap {
+	merged := make(JSONMap)
+
+	// 1. Apply Group Config (Base)
+	if t.TenantGroup != nil && t.TenantGroup.Config != nil {
+		for k, v := range t.TenantGroup.Config {
+			merged[k] = v
+		}
+	}
+
+	// 2. Apply Tenant Config (Overrides)
+	if t.Config != nil {
+		for k, v := range t.Config {
+			merged[k] = v
+		}
+	}
+
+	return merged
+}
+
 // BeforeCreate hook to generate UUID if not present.
 func (t *Tenant) BeforeCreate(tx *gorm.DB) (err error) {
 	if t.ID == "" {