Use context-based stderr in logdiag #4333
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Replace direct os.Stderr usage in logdiag with cmdio.RenderDiagnostics. Since cmdio is always initialized before logdiag in production, we can safely use the context-based writer. Also rename cmdio.RenderDiagnosticsToErrorOut to cmdio.RenderDiagnostics (keeping the old name as a deprecated alias for compatibility). Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Commit: f275b5e
28 interesting tests: 22 KNOWN, 2 FAIL, 2 flaky, 1 SKIP, 1 RECOVERED
Top 50 slowest tests (at least 2 minutes):
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Jan 20, 2026
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Commit: b9e8f28
26 interesting tests: 19 KNOWN, 4 RECOVERED, 2 FAIL, 1 SKIP
Top 50 slowest tests (at least 2 minutes):
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Changes
Replace direct
os.Stderrusage in logdiag withcmdio.RenderDiagnostics. Since cmdio is always initialized before logdiag in production, we can safely use the context-based writer.Also rename
cmdio.RenderDiagnosticsToErrorOuttocmdio.RenderDiagnosticsbecause writing to stderr is implicit (keeping the old name as a deprecated alias for compatibility with autogenerated commands).