I think this has more to do with your personal protocol than with tooling. Everyone has differing circumstances and skills. (Spatial/Temporal) Find a way that forces you to travel in order to construct a transaction. Words or Hardware are in multiple geographic locations. (Social) Find a trusted friend or relative or lawyer or third party key custodian to validate your safety and intentions before signing. Make certain all this is documented. Practice.

Duress passwords are a known tactic. If an attacker thinks you use them, they have the incentive to beat them out of you. You'll find real world examples of this in Jameson Lopp's Known Physical Bitcoin Attacks Best to not have unilateral control of your funds and be ready to prove this to your attacker.