Hotfix/add omar alumni

[chengjiahao1234]

Type of Change

• ✅ Content Update (news, publications, team)

Summary

Added Omar Metwally to the alumni section and documented his transition to a PhD position at Health-X Lab after fast-tracking from his MSc program.

Changes Made

• Added Omar Metwally to _data/alumni_members.yml.
• Listed his current position as PhD Student at Health-X Lab, Concordia University.
• Clarified that he fast-tracked from MSc rather than graduating with an MSc.
• Added his Health-X Lab, LinkedIn, and GitHub links.

Testing Checklist

• Changes display correctly on desktop (1920x1080 or similar)
• Changes display correctly on tablet (768x1024 or similar)
• Changes display correctly on mobile (375x667 or similar)
• Tested in light theme
• Tested in dark theme
• No broken links or images
• No console errors
• Ran bundle exec jekyll serve locally without errors

Screenshots (if applicable)

Not applicable; this is a team content update.

Related Issues

None.

Additional Notes

• The alumni entry was verified on the locally rendered team page.
• No Google Scholar link was added because no account could be confidently matched to Omar through AtlasPatch or his other verified profiles.
• The wording intentionally avoids describing Omar as an MSc graduate.

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By submitting this PR, I confirm:

• I have tested these changes locally
• I have followed the code standards in DEVELOPMENT.md
• I have updated documentation if needed
• I am ready for this to be reviewed and merged