There is no magical wireless electricity. Spend the money to put in floor outlets. They might be able to drill under the slab from the exterior. Consult a designer FIRST for a plan, and then use her electrician.

Have you spoken with an electrician as to exactly how floor outlets can be added and at how much cost? Sometimes projects aren't as difficult as you think.

Before you flip over the electrical…can you take photos of the entire space?

Maybe your furniture can be rearranged…which wouldn’t be a bad thing as the backs are not that attractive.

You might be able to replace the some of the ceiling lights with pendants and put recessed where the pendants are now.

I see possibilities….

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There is such a thing as a wireless extension cord. I have no experience with them so I cannot give any more info.

...and no crawl space?

https://www.modernlantern.com/

Site for battery powered lamps

Check out LaurelBernInteriors.com. She has a tutorial on battery powered lighting and lamps.....it is amazing. Or just check out battery powered table lamps on Google or Houzz.

Replace the ceiling fan with a chandelier. This should add considerable lighting, but if you must have a ceiling fan at least chose one with lighting. It may not be enough for nighttime reading but it's a start!

You already have a column in this room and its paneling is mirrored the the fireplace. A cabinet maker could produce simpler, un-arched versions as conduits for wiring from an attic as I stated previously.

I looked up that WIRELESS EXTENSION CORD but the warning makes me think twice about exposing myself to microwaves just so I could put a lamp in the middle of the room.

There are lots of ways to solve this. In the kitchen add LED strips above and below the upper cabs. Replace pendants hung at proper height above the countertop. Also consider pendants that have more than one bulb.

Hanging a Kitchen Pendant Light

While the decorative options for pendant lights are vast, installation is also a key factor to consider for pendant lighting.
Pendants should hang 12-20 inches below an 8-foot ceiling. For each
additional foot of ceiling height, add 3 inches. For example, for a
9-foot ceiling, the pendant should hang 15-23 inches below.The pendant height can also be measured up from the surface below
the light; provide a 30- to 36-inch clearance above tables and
countertops. This is the most practical height, especially for pendants
used for task lighting. Pendants should be hung over work surfaces at a height that doesn't block views across the kitchen.
Lower the fixtures above your dining tables using the advice above for pendants. Replace bulbs with dimmable LEDs and put them on a dimmer switch. You may be able to turn your formal dining table and have room for a buffet where the wall decor is and add a pair of buffet lamps there.
Replace the fan with a chandelier or a fandelier. Flank your fireplace with a pair of tables or chests that can be topped with a lamp. Hopefully they can clear the speakers or you can integrate the speakers into an artful arrangement like photo 3 below. Designate a reading corner with a chair, table and lamp near a wall outlet for doing such tasks as reading, sewing on a button, filing your nails, etc.

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There really is such a thing as wireless extension cords! I just watched a you tube video about it. Check it out! I liked that you can vacuum without the cord getting in the way!

Wow, Great suggestions from, deco about adding lighting. Down to adding the buffet. Consider several of those options.

Cordless lighting...check it out https://www.modernlantern.com