Chris Green wrote:

I want it to be possible to open the front door
easily from the outside when it's not locked so we can use it to go in
and out during the day (what a concept, going in and out through a
door!).

As a matter of habit, I check on the way out whether I have my keys in
my pocket, if not and if I'm not going far) I put the "snick" on the
lock ...