fix: package code viewer overscroll

[ghostdevv]

🔗 Linked issue

🧭 Context

Fixes weird overscroll that is highlighted by #1977

📚 Description

Before:	After:

I tried to fix this too but I failed, it's such a delicate balance of styles here

Current:	Ideal:

[vercel]

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Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	Jul 7, 2026 3:03am

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored		Jul 7, 2026 3:03am
npmx-lunaria	Ignored		Jul 7, 2026 3:03am

[coderabbitai]

📝 Walkthrough

Walkthrough

The desktop sidebar containing the file tree on the package code page was updated to use full-viewport height (h-screen) instead of a calculated height offset, with scrolling applied to an inner container.

Changes

Sidebar Sizing Update

Layer / File(s)	Summary
Sidebar height and scroll container app/pages/package-code/[[org]]/[packageName]/v/[version]/[...filePath].vue	Changed the aside and its inner scroll container from h-[calc(100vh-10.5rem)] sizing to h-screen with overflow-y-auto on the inner scroll div.

Related Issues: None specified.

Related PRs: None specified.

Suggested labels: ui, low-effort

Suggested reviewers: None specified.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 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.
Title check	✅ Passed	The title clearly matches the main change: fixing overscroll in the package code viewer.
Description check	✅ Passed	The description is directly related to the overscroll fix and its before/after visual context.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch w/overscroll

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

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