Tachikoma
04200b6eb1
Instrument libakgl in opt-in coverage builds, use CTest fixtures to reset counters and emit Cobertura XML and detailed HTML reports, and upload those reports from Gitea CI. Document the local coverage workflow for contributors. Co-authored-by: Codex (GPT-5) <noreply@openai.com> Co-Authored-By: Andrew Kesterson <andrew@aklabs.net>