feat: add AI pipeline timing report (#5)

[lb1192176991-lab]

Summary

Implement timing per issue #5.

Changes

See diff in tools/health_check.py and ai_pipeline.sh.

Checklist

• Relevant modules build locally
• Tests pass locally
• Diagnostic build log committed
• Changes scoped to PR purpose

[Soengkit]

Thanks for the PR. I am closing this because Soengkit/zeroeye is only my working fork of the upstream repository, not an official bounty intake or payment queue. The fork parent/source is NemoMi/zeroeye: https://github.com/NemoMi/zeroeye. Please use the upstream owner current process for any submission or claim, and do not post payment details here.