Fix lint issue in checkerboard viz

[sgress454]

Fixes a lint issue in (currently unused) code for the 24-hr checkerboard, that was causing one of our build tests to fail.

Summary by CodeRabbit

• Bug Fixes
  • Enhanced 24-hour checkerboard visualization tooltips to display complete data values and totals alongside percentage information.

[claude]

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[Copilot]

Pull request overview

Fixes a TypeScript/lint failure in the (currently unused) 24-hour checkerboard visualization by ensuring the 24h cell objects conform to the ICellData shape used elsewhere in the component and by the tooltip.

Changes:

• Include value and total when constructing ICellData for the 24h view so required fields are present.
• Align 24h cell construction with multi-day cell construction for tooltip consumption (hoveredCell.value / hoveredCell.total).

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.75%. Comparing base (13cec63) to head (00e1b21).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #44510      +/-   ##
==========================================
- Coverage   66.79%   66.75%   -0.04%     
==========================================
  Files        2637     2636       -1     
  Lines      212132   211707     -425     
  Branches     9555     9556       +1     
==========================================
- Hits       141690   141332     -358     
+ Misses      57576    57531      -45     
+ Partials    12866    12844      -22     

Flag	Coverage Δ
frontend	54.77% <ø> (-0.01%)	⬇️

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 8f272750-0460-4d96-a0d2-f0119bcecb2f

📥 Commits

Reviewing files that changed from the base of the PR and between 13cec63 and 00e1b21.

📒 Files selected for processing (1)

• frontend/pages/DashboardPage/cards/ChartCard/CheckerboardViz.tsx

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Walkthrough

The CheckerboardViz component in the dashboard's chart card was modified to update cell data population for 24-hour mode (selectedDays === 1). The component now populates the ICellData.value and ICellData.total fields from incoming point data when building cells. Previously, these fields were not populated for 24-hour cells, with only percentage and labels being set. This change makes value and total data available for tooltip rendering when a tooltipFormatter is provided.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description is minimal but sufficient for a lint fix. However, it does not follow the repository's required template structure with sections and checklists.	Consider following the full PR template with relevant checklist sections, though for minor lint fixes a shorter description may be acceptable if agreed upon by maintainers.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: fixing a lint issue in the checkerboard visualization component.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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 docstrings

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• Create PR with unit tests
• Commit unit tests in branch sgress454/fix-checkerboard-lint

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