You COULD invest in an enterprise grade shoe rack unit which can act as the centeralized hub. Essentially, all users would connect with the server each time they need a shoe. As you note, distributed shoe storage technology exists, but there are actually a few different implementation strategies.
One option is to retrofit an area in the personal closet for shoes. This has the advantage of keeping each user’s shoes away and out of reach from threat actors who wish to gain access to the shoes. A disadvantage occurs when there are poor weather conditions. The strategy there is to leave the shoes outside to dry.
Another option is to implement the strategy you outlined and practice a door-first shoe storage policy. Slides near the doors, work boots at the back door, and nicer shoes at the front door. In cases where shoe resources are over assigned, you would construct a priority chart to ensure that the shoes (usually slides) are stored at the door where they are most needed.
Another popular option in my region is to forgo shoes outside if you’re staying within the household property. Depending on a user’s mass, testicular fortitude, and the surrounding terrain, it is actually quite possible to take the rubbish to a wheely bin while walking over perfectly smooth pavement. Just wipe your feet a bit when going inside.
There are also homebrew hybrid solutions which mix and match any of the above, but be warned that a novel approach might have limited community support.
I have never, ever, heard someone in real life bring up veganism unless it was specifically in the context of what they eat.
The problem is, it comes up. Food is a very foundational element of social life. Sharing a meal is important, providing a meal as a host is important, and supplying food at events is customary.
Rejecting the offer to put something in their body is misunderstood as an insult.