first operational mission for August 2025. But the agency set that schedule before realizing Boeing and Aerojet Rocketdyne would need to redesign seals and perhaps other elements

Not sure this is correct. I had thought the slip from Feb 2025 to Aug 2025 was only announced quite recently. Say, a month ago?

(Not that I’m saying I think the Aug 2025 date will be achieved. I’m 75% sure it won’t.)