A small root LaunchDaemon that holds the awdl0 interface down for as long as you want — so it keeps working even though macOS automatically turns Apple Wireless Direct Link (AWDL) back on every ~10–15 minutes.
Your Mac has a single Wi-Fi radio. AWDL — the protocol behind AirDrop, Handoff, Sidecar, Universal Control, iPhone Mirroring, and Apple Watch unlock — periodically hops that radio off your Wi-Fi channel to look for nearby Apple devices. Each hop is a ~50–100 ms stall, roughly once a second. For anything real-time over Wi-Fi (Quest / Virtual Desktop, Moonlight, GeForce Now, Parsec, remote desktop) that shows up as constant micro-stutter.
The usual fix is: