zeta: Allow the server to select the editable and context ranges more flexibly (#50975)

Release Notes:

- N/A

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Co-authored-by: Ben Kunkle <ben@zed.dev>
2bd5c21855Max Brunsfeld committed on 3/9/2026, 11:58:31 PM· committed by GitHubparentcb80880
16 files changedLine totals unavailable