nostr:npub15mlsk26z49ynfwv9m0ncuwzpkzr0nuyvjazjv7mg0l66xwjq2z2sez2w4s from disassembling SkyLight and friends, I /think/ it aborts early when it encounters the key, and just doesn't go down any of the snap calculation code paths. Though I could see that maybe querying for said key could introduce lag of its own — but considering it doesn't happen with non-USB input devices maybe that's not it