Allow zeta2 to predict next cursor position along with edits (#47916)
* [x] capture and store teacher model's predicted cursor position
* [x] provide cursor position to student during distillation
* [x] eval cursor positions
* [x] parse and apply cursor position predictions at runtime
Release Notes:
- N/A
b642565526Max Brunsfeld committed on 1/31/2026, 4:16:32 PM· committed by GitHubparent795eb34