Regreening/re-flowering 3 acres of Central Texas depleted soil - what would you do now?

Central Texas, NW of Austin, 30" annual rainfall average but can be as low as 8".

Berms/swales put in June 2024.
Cover crops/misc pioneer species (incl. ragweed, pigweed amaranth, silverleaf nightshade, and horseweed) come up at different times. Thankfully, no pioneer has been the scary reseeding nightmare we were warned about.
Sapling plantings in Feb probably all failed. Some we can't locate because we had such a wet spring and six feet tall greenery dominated on the berms.
Existing perennials (we did not plant) go strong for about a month or so, then fade away, incl. blackfoot daisy, Texmenia, Mexican Hat, Antelope Horn milkweed, gaura, black-eyed Susan, prairie verbena, prairie broomweed, frogfruit, Texas sage (the short ground-cover type), Texas skeletonweed, four-nerve daisy, gayfeather, menodora, and many others. Some of the fore-mentioned do indeed ebb and flow so don't just totally fade away. Annuals like sunflower and poppies, plus ragweed and giant ragweed go strong for awhile. Hackberries and agaritas give early-spring nectar to pollinators. Flameleaf sumac, Texas persimmon and various other stuff flower seasonally.

We've set up 3 IBC totes for the 3-acre pasture and will passively drip irrigate SOME areas. A fourth tote is for the front and backyard of the cottage.

First priority:
1) Help along some existing perennials so they flower longer than a month, esp. handy in late summer to help the pollinators (we have 6-8 bee hives).

2) Plant a number of Texas native plants appropriate for the rocky soil there to help the pollinators, provide beauty, and take over from the pioneers.

3) Establish a small orchard. There are two plots great for orchards, with deep soil brought in years ago (now depleted but fixable). One has lots of wind protection and some protection from western sun. That latter spot has a slope of about 5%.

4) Establish a dotting of overstory trees, at first for shade and wildlife feed and to establish little guilds of flourishing that will then spread.

If you were us, what would you do this fall into spring?
I still have three 40-pound bags of cover crops.
I can buy a wide variety of native trees from a local seller.
I can buy a LOT more native plants.
I can buy and spread more wildflower mix seeds, this time irrigating them; the first time I just spread them was a total failure.
I do not have to do all of those things now. BUT I can do a little of each as well.

I am there every week or two for a day or two except in winter. I'd rather not have to fill the IBC totes up every time I'm there. But we have a full 40,000 gallon rain tank ready to go. I don't want to irrigate directly from it in case the system leaks while we're not there. A nightmare is coming back to an empty tank. By late October, we will be installing poly pipe going up the pasture to fill the totes and poly pipe for drip irrigation, which I recently learned how to do by just doing on our suburban lot. Note the swales are far too large to just fill for irrigating purposes.

Anyway, any random suggestions are welcome, thank you.
- Suzie