Black bar stools would look great, one or two pendants over table would look beautiful downlighting above island , this would then make a feature of your pendants above table.

These ones avoid a wood clash and would work with your dining chairs nicely. Mydeal.com.au Templeandwebster.com.au

I think getting the perfect bar stool is the hardest thing to do. If you can’t find anything local, look overseas or you might be able to get a craftsman to make them for you.. beautiful kitchen. A few inspiration photos that you may be able to source or similar made here. Jade stool by Crea. The Delaney stool from Maiden Home. Mylo counter stool from Wayfair or something similar to the Mogens Lassen stool.

Agree the buffet is gorgeous but a little large for it’s current position, if you swapped it to the other wall would it be too big for the tv, then the smaller one could move to that position, a large rug under the couches, thinking the chakki table might look good paired with the coffee table, not sure how much room you have as you will need to be very selective in the size of your table so that it doesn’t overwhelm the room. Stools with a Moroccan theme would look great.