feat(web): add skeleton to LatestCommitInfo while loading

[brendan-kellam]

Summary

• Renders a placeholder skeleton (avatar circle, author name, commit message, date) in LatestCommitInfo while the latest-commit query is pending, instead of the component being absent from the layout.

Test plan

• Open a repo/path in the code browser and confirm the skeleton appears briefly before the real commit info loads.

🤖 Generated with Claude Code

[coderabbitai]

Walkthrough

The PR adds a loading skeleton to the latest commit info component in the code browser. While commits data is being fetched, the component renders placeholder UI elements matching the expected layout instead of showing empty state or waiting for data.

Changes

Pending State Skeleton Loaders

Layer / File(s)	Summary
Pending state skeleton loading UI packages/web/src/app/(app)/browse/components/latestCommitInfo.tsx, CHANGELOG.md	LatestCommitInfo extracts isPending from useQuery and imports Skeleton component, then returns early during pending state with placeholder avatar, message, and date shapes. CHANGELOG documents the new loading skeleton feature.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: adding a skeleton loading UI to the LatestCommitInfo component while data is loading.
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.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch brendan-kellam/latest-commit-skeleton

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