Include mention context in acp-based native agent (#36006)

Also adds data-layer support for symbols, thread, and rules.

Release Notes:

- N/A

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Co-authored-by: Cole Miller <cole@zed.dev>
44953375ccAgus Zubiaga committed on 8/12/2025, 1:12:58 PM· committed by GitHubparent2444321
9 files changedLine totals unavailable