zeta2: Build edit prediction prompt and process model output in client (#41870)

Release Notes:

- N/A

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Co-authored-by: Agus Zubiaga <agus@zed.dev>
Co-authored-by: Ben Kunkle <ben@zed.dev>
Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>
784fdcaee3Max Brunsfeld committed on 11/6/2025, 11:36:58 PM· committed by GitHubparentfb87972
32 files changedLine totals unavailable