Kpmp 6691 edit diffex tooltips

[Dert1129]

Summary by CodeRabbit

• Style
  • Enhanced tooltips for differential expression metrics with clearer descriptions explaining how calculations are performed
  • Improved tooltip visual styling for better readability and presentation

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: cdf5a32e-66b0-4bb1-a89e-5b13be04a3fb

📥 Commits

Reviewing files that changed from the base of the PR and between bcc463e and 4e2d509.

📒 Files selected for processing (2)

• src/components/ExpressionTables/DiffexByCluster.js
• src/index.scss

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Walkthrough

This PR improves tooltip readability in the DiffexByCluster component by reformatting column header tooltips as multi-line template literals and adding CSS styling to render them correctly. The FOLD CHANGE and P VALUE column descriptions are now split across multiple lines, and the stylesheet includes new .ag-tooltip styling with white-space: pre-line to preserve line breaks.

Changes

Tooltip display improvements

Layer / File(s)	Summary
Tooltip styling and content updates src/index.scss, src/components/ExpressionTables/DiffexByCluster.js	.ag-tooltip CSS styling with white-space: pre-line is added to support multi-line tooltip display. The FOLD CHANGE and P VALUE column header tooltips are reformatted from single-line strings to multi-line template literals, preserving their meaning while improving readability across multiple lines.

Possibly related PRs

• KPMP/pegasus-web#631: Both PRs modify DiffexByCluster column header tooltips; retrieved PR adds a new COMPARISON column tooltip while this PR improves FOLD CHANGE and P VALUE tooltip formatting.

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch KPMP-6691_edit-diffex-tooltips

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