The future always brings surprises, some good, some not so good, but regardless of what tomorrow brings, you should internalize that you'll be fine. These are (almost always, anyway) issues about comfort, not actual survival.

Take genAI, for instance. If you completely ignore genAI right now, you'll be OK in the long term regardless of whether or not it becomes a mandatory tool in the job market. The FOMO you get about this is intentional, meant to drive your decision-making in a direction that favors the companies that are selling genAI. The reality is that if its use really does end up being standard, you 'll be able to pick it up when that time comes.

Layoffs are a more present threat, of course, but they seem to be largely limited to a certain sort of company. The mitigation for that problem is to expand your job searches beyond those companies. For instance, you don't have to work for a software company to work as a dev. Companies in every industry hire devs.

Oh, and another piece of advice (that has always been good advice). Never stop looking for other work. If you have a job, even a great job, keep your ear to the ground, keep your professional circle, do almost all of the things you'd do if you're out of work and looking. Not to the same intensity, of course, but by doing this you'll be much better prepared if you have to find another job, you'll be more aware if a better prospect presents itself even if you are already in a decent job, and it will constantly remind you that you are in control of your life, not your employer.

Exercism.io is excellent for exactly the experience you're seeking. The mentored tracks force you to see multiple solutions to the same problem, which builds pattern recognition faster than production work alone. You start noticing when code "feels" fragile before you can articulate why.