- Check fmt.Fprintln return value in cmd/flags.go - Remove unused confirmationToolNames, computeConfirmationToolNames, requireConfirmation - Convert if/else-if chains to tagged switches (QF1003) - Remove empty if branches (SA9003) - Simplify embedded field selectors (QF1008) - Use fmt.Fprintf instead of Write([]byte(fmt.Sprintf(...))) (QF1012)