zeta2: Parse imports via Tree-sitter queries + improve `zeta retrieval-stats` (#39735)

Release Notes:

- N/A

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Co-authored-by: Max <max@zed.dev>
Co-authored-by: Agus <agus@zed.dev>
Co-authored-by: Oleksiy <oleksiy@zed.dev>
bcef3b5010Michael Sloan committed on 10/8/2025, 6:04:06 PM· committed by GitHubparent5fd1877
35 files changedLine totals unavailable