I much prefer to have a daily standup and/or weekly/fortnightly planning session scheduled rather than having someone randomly come to my desk whenever they see

I much prefer to have a daily standup and/or weekly/fortnightly planning session scheduled rather than having someone randomly come to my desk whenever they see that I am having non-work conversation for a bit (we are humans afterall). The project can't go too awry in the intervening periods and if you can't trust your engineers to raise any issues that they have you have way bigger problems.