perf(server): drive shell last-error lookup from thread bindings (#17842)

Co-authored-by: Victor Vogel <263261067+only21mil@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
cf8479e605only21mil committed on 10/11/2026, 1:39:53 AM· committed by GitHubparent72fbad7
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