I’m curious what other succinct terms people would use to describe the act of doing the bare minimum and not engaging beyond what is required and asked for.
Perhaps these aren't punchy, but that's also why we're stuck with awful things like "quiet quitting". But these capture the correct (IMO) sentiment:
"Adhering to the employment contract."
"Doing my job."
"Meeting documented expectations."
"Following management's lead."
The last one is important. There's a concept of "modeling" in terms of providing strong examples of allowed/expected behavior in the workplace. If management really wants people to go above and beyond, that change starts with a show of the same on their part. I would bet that a lot of frustrated managers are themselves not putting in the extra effort, or do not make a show of it.