Following the model of how startups have worked for the last 20 years or so, I expect agents to eventually be locked-down/nerfed/ad-infested for higher payments. We are enjoying the fruits of VC money at the moment and they are getting everyone addicted to agents. Eventually they need to turn a profit.
Not sure how this plays out, but I would hang on to any competencies you have for anyone (or business) that wants to stick around in software. Use agents strategically, but don't give up your ability to code/reason/document, etc. The only way I can see this working differently is that there are huge advances in efficiency and open-source models.