Critical SEO improvements to fix Google Search Console indexing:
## Sitemap Updates:
- Added missing Invoice Editor and What's New pages
- Updated all lastmod dates to 2025-10-15
- Increased editor tools priority to 0.9
- Added organizational comments
- Fixed /whats-new route (was /release-notes)
## Pre-rendering Implementation:
- Added react-snap for static HTML generation
- Configured to pre-render all tool pages
- Solves React SPA indexing issue
- Crawlers now see full HTML content
## Dynamic Meta Tags:
- Added react-helmet-async for SEO management
- Created reusable SEO component with:
- Dynamic titles and descriptions
- Open Graph tags (Facebook)
- Twitter Card tags
- JSON-LD structured data
- Canonical URLs
- Wrapped App with HelmetProvider
- Added SEO to Home page
## Route Fixes:
- Added /whats-new route (primary)
- Kept /release-notes as fallback
- Consistent routing across app
## Documentation:
- Created comprehensive SEO_FIX_GUIDE.md
- Step-by-step Google Search Console instructions
- Troubleshooting guide
- Timeline expectations
- Testing procedures
These changes will dramatically improve Google indexing and search visibility.