agree with above. i would have kept them one way had there been an odd number of doors. the pic of my fridge/freezer wall shows display cabs, so it didn't matter if they were different since i really never open them.

"I went to work in an office that had a pocket door that never worked right because someone had driven nails into it at some point and it was never the same after" (palimpsest) Yes. This happened to us when DH nailed the baseboard on the wall between the laundry and kitchen. The door came off track. When we renovate I will replace or remove. However, this was builder grade. On our extension I added three pocket doors. The one I had put in for the powder room is a solid core door, not thinner than most doors, as I wanted as much sound-dampening as possible with such a device. We used Johnson Hardware - not the home depot variety which runs $ 40 or so, but commercial grade. Look at the Johnson site under 1500 Commercial Grade and you will also find non-standard size frames (door max thickness 1 3/4"). Use a good carpenter.

I've removed rusted latches like that from a 1920s house, so they would be as close to original as you can get.

Have you considered a pair of narrow solid wood closet doors (painted or finished to match your cabinets) -- with regular hinges, albeit perhaps smaller in size -- doors which can accept any kind of handle/knob you choose and at any height -- and then use magnetic latches -- strong double ones if needed? You could even add a pair of plain wide horizontal handles -- one on each door -- that could also be used as towel bars (one for hands and the other for dishes) while you're cooking meals. Putting another pair on the inside of the door could give you a place to put them out of sight (and pooch reach) when not needed. https://www.build.com/signature-hardware-945977-4/s1567260?uid=3745206&source=gg-gba-pla_3745206!c958978462!a49328669162!dc!ng&ds_rl=1275595&gclid=EAIaIQobChMIgteWkpXF5gIVUT0MCh1qxwB4EAkYByABEgKtVfD_BwE&gclsrc=aw.ds https://inandouthome.com/products/kimberly-bay-interior-door-colonial-6-panel?variant=42336837588&currency=USD&gclid=EAIaIQobChMI5pHF5ZTF5gIVxZyzCh1oIAljEAkYBCABEgKZivD_BwE Really like that you're creating access to the corner base cabinet from outside the kitchen. Great idea. Perfect place to store a large ice chest and/or picnic basket and/or just infrequently used larger cooking/serving items. If you're going to use that deeper cabinet corner cabinet for smaller items or recycle bins, you could build a rolling cart that you can store inside behind the closed doors but pull out as needed to reach more. Just in case this is something you need to discuss with your builder(s): ... Would NOT have that elongated angled seam in the corner of the countertop at the beginning of the peninsula (as shown in your example pic). Instead, have any seam left of the stove top straight from front to back. Keep the peninsula/bar countertop from wall to angle one rectangle.Keep as many large rectangles whole (without angle) as you can.