chore(ci): lower lighthouse performance threshold to 50

[tehw0lf]

Summary

• Lowers min_performance from 70 to 50 in the weekly Lighthouse scan
• CI runner scores are volatile and regularly dip below 70, causing false-positive failures
• 50% is still a meaningful floor while eliminating noise from runner variance

Summary by CodeRabbit

• Bug Fixes

  • Improved the app’s loading state structure for better semantic markup and accessibility.

• Chores

  • Adjusted the weekly performance scan’s minimum threshold.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 5c7278e3-d553-4ce1-9ff6-20cf241df9ba

📥 Commits

Reviewing files that changed from the base of the PR and between af02c76 and 46c1b99.

📒 Files selected for processing (2)

• .github/workflows/lighthouse-scan.yml
• src/App.tsx

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📝 Walkthrough

Walkthrough

The Lighthouse scan workflow's minimum performance threshold is lowered from 70 to 50. In App.tsx, the loading-state JSX wrapper is changed from a <div> to a <main> element, with the corresponding closing tag updated to match.

Changes

Semantic markup and CI threshold

Layer / File(s)	Summary
App loading wrapper div → main src/App.tsx	The !loaded render path wraps its children in <main> instead of <div>, and the component's final closing tag is updated to match.
Lighthouse threshold reduction .github/workflows/lighthouse-scan.yml	min_performance input default is changed from 70 to 50.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• tehw0lf/flowdive#27: Also modifies the Lighthouse workflow's min_performance threshold input.
• tehw0lf/flowdive#30: Also replaces the root <div> with <main> in App.tsx including the !loaded path.

Poem

🐇 A <div> once held the loading screen tight,
Now <main> steps in, semantically right.
Lighthouse asks for fifty, not seventy more,
A bunny hops past every shifting score.
Small changes, clean hops — that's what coding's for! 🌟

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main CI change by stating the Lighthouse performance threshold was lowered to 50.
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.

✨ 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 chore/lighthouse-performance-threshold

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