Fix CI and CodeRabbit feedback on PR #13963

Slava requested remediation for PR #13963. Inspect failed CI and all unresolved CodeRabbit review threads; make valid scope-contained fixes directly on the existing PR branch. Use a dedicated worktree, set required git identity, run relevant lint before every push, commit with Co-authored-by: Slava <[email protected]>, push, then monitor CI and CodeRabbit to green. Do not merge.