Fix critical PWA and mobile responsiveness issues

[velonone]

• Fix /workspace route to use ProtectedRoute (security)
• Fix PWA manifest.json to correctly use SVG icons with "any" size
• Fix index.html to remove broken PNG favicon references
• Fix LusionNav logout to use centralized clearAllUserData()
• Remove dead code from LandingPageNew (unused handleLogout, showUserMenu, imports)

Pull Request

Description

Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📝 Documentation update
• 🎨 Style/UI update (changes that don't affect functionality)
• ♻️ Code refactoring (no functional changes)
• ⚡ Performance improvement
• 🧪 Test update

Related Issues

Changes Made

Screenshots/Videos

Before

After

Testing

• Tested on Chrome
• Tested on Firefox
• Tested on Safari
• Tested on mobile devices
• Tested with different themes

Design System Compliance

• Follows VSPEC design system guidelines
• Uses brand color #7C85ED appropriately (sparingly)
• Uses grayscale system for non-accent elements
• No Tailwind font classes unless specifically needed
• Icons verified to exist in Lucide React
• Follows glass morphism patterns where applicable
• Maintains restrained, professional aesthetic

Checklist

• My code follows the project's code style
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have tested that my changes work as expected
• I have checked for responsive design issues
• I have updated CHANGELOG.md (if applicable)

Additional Notes

[vercel]

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Project	Deployment	Review	Updated (UTC)
vspec	Ready	Preview, Comment	Jan 1, 2026 7:28am

[github-actions]

📊 Performance Report

Metric	Value
Bundle Size	4.00 KB
Status	✅ Passing

View detailed Lighthouse report in artifacts.