I've drawn up a set of principles for approaching web accessibility. I hope they help to frame your work as we enter 2025. https://github.com/Heydon/principles-of-web-accessibility
GitHub - Heydon/principles-of-web-accessibility: How to approach accessible web interface design

How to approach accessible web interface design. Contribute to Heydon/principles-of-web-accessibility development by creating an account on GitHub.

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Would the ability to sign this, like as a manifesto, be of any help? Thinking it might add weight if referring to it during negotiations.
@heydon Don't know if it would help, but I want to try.