I've literally programmed with VSCode for basically a decade this way without issues. Zed lags, it's disappointing and if I really like Zed I'll have to sort out another setup.

MSTSC is one of the rock-solid tools from Microsoft, and does better than almost everything else available on the market other than some PC over IP technologies specifically highly optimized for this use case. I've been programming with an ancient ThinkPad forever because I'm just remoting into a much more powerful machine.

If you are having problems with Windows RDP then the problem is somewhere else along the pipeline, not RDP itself. No other remote solution I've used is even in the same ballpark as RDP in terms of responsiveness and quality. RDP on a LAN is very usable for actual coding work.