package systemconfig import ( "context" ) func (s *Service) Update(ctx context.Context, actorID uint64, key string, req UpdateRequest, meta AuditMeta) (*ConfigDTO, error) { if s.repo == nil { return nil, ErrDependencyUnavailable } if key == "" || req.Value == "" { return nil, ErrInvalidConfig } return s.repo.Update(ctx, actorID, key, req, meta) }