Water. Try not to skip a day, it is too hot there and the roots are not long enough yet to survive any drying out. The rose is still in "transplant shock" and will need time to get used to its new home and to settle in. Many people do remove the buds on newly planted own-root roses. First, they leave on one bud to allow it to bloom and to make sure that is it the correct rose. If you are OK that ir is Belinda's Dream then you can skip this part. They then remove all new buds until the plant gets to be more robust. Some folks do this for the entire first growing season in the ground. I do it until I feel confident that the rose is growing strongly. Much of the guidance for planting is really meant for grafted roses and colder zones. With own-root roses I usually plant them so that the entire root structure and a little of the canes above it are buried. Don't prune it, it is young and needs its leaves. I wouldn't do any pruning until next spring (when the forsythia is in bloom is the usual guide). When pruning before transplanting, that is usually referring to moving established roses with a large rootball. When moving new potted plants into the ground, I don't prune anything back. Fertilizing: organic or organic-based fertilizers work very well. There might be a product that is similar to Mills Mix that you can find in a smaller container that would do your roses just fine. Alfalfa (meal or pellets) is excellent for plants. I would say a weak solution of fish emulsion would be OK now, but the most important need for your plant is water. Fertilizing can wait. And from here I'll leave it to the all-organic folks for more recommendations for you.

The same color looks much darker on a horizontal surface than a vertical one. I have the same color on our screened porch siding, wood floor and ceiling and it looks completely different on each of those three surfaces. High ceilings look better with a darker paint, imo (unless they have a lot of plaster medallion ornamentstion in a really formal room--- those are best left white).This is our library colour scheme....BM Golden Straw on the walls, BM Linen on the molding, SW custom green black on the doors and transom and SW China Doll on the 14 ft ceiling. I was lying in the sofa and was struck with the similarity of wall and ceiling combination with your room. Of course, it looks totally different during the day and at different times of the day :-)

"I called an HVAC friend, and he told me to open the door, hold the switch manually, and see if that works. That time the system turned on and stayed on perfectly fine. He said it sounds like there is something that's restricting air flow and a limiter switch is engaging to prevent overheating..." I think your HVAC friend has a good lead as to what to investigate. Perhaps the door was originally not seated properly and was allowing just enough air so the limit switch did not trip. But when you took the door off and closed it again, you may have made a tighter seal and that little bit of air is no longer reaching the burner. It is an old furnace so anything is possible.

This is one your art reminded me of but don’t know artist. I have left inquiry. But you have such a good deal, perhaps you should try it on the wall without the packing and removing the mirrors. I know, it is a job. But might be only way to tell. I would worry a bit with trying to modify white. It looks like an enamel of some kind.