chore: update vite to 7.0.0

[frontend-updates]

This PR was created by Simple Frontend (Jeremy) following an important release for vite.

Vite 7.0.0

Major release with significant improvements to browser targeting, Node.js support, and new experimental features.

Key Changes

Node.js Support

• Requires Node.js 20.19+ or 22.12+ (dropped Node.js 18 support)
• ESM-only distribution with require(esm) support for better compatibility

Browser Targeting

• New default: 'baseline-widely-available' (was 'modules')
• Updated browser targets:
  • Chrome: 87 → 107
  • Edge: 88 → 107
  • Firefox: 78 → 104
  • Safari: 14.0 → 16.0

Experimental Features

• Environment API: Enhanced with new buildApp hook for plugin coordination
• Rolldown integration: Try rolldown-vite package for faster builds (future default bundler)
• Vite DevTools: Coming soon for deeper debugging and analysis

Migration Notes

• Smooth upgrade from Vite 6 with minimal breaking changes
• Removed deprecated features: Sass legacy API, splitVendorChunkPlugin
• Vitest 3.2+ required for Vite 7 compatibility

This release focuses on modern browser support, improved performance, and laying groundwork for future bundler improvements.

Vite 7 blog post | Migration guide | Full Changelog

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