v1.2.2-RC15

What's New

• Converted to web-only platform, removing all native and extension support
• Upgraded design system to Radix UI with improved accessibility and responsive breakpoints
• Redesigned layout system with proper max-width constraints and padding across all screen sizes
• Moved navigation to header on desktop while maintaining bottom navigation on mobile/tablet
• Updated course header and chat layout to use full-width backgrounds with centered content
• Fixed streaming functionality for logged-in users via service proxy with improved SSE detection
• Fixed sign-out flow to properly close modals after logout
• Simplified file structure (sidepanel.html → index.html, sidepanel.css → styles.css)
• Updated deployment documentation for web-only configuration

---

How to test this release candidate

Visit https://learn.philosophers.group — the web app is deployed automatically when changes reach main.

To test the RC locally:

1. Clone the repo and checkout staging
2. Run npm install && npm run build
3. Serve the dist/ directory with any static server

Report issues at https://github.com/1111philo/learn/issues.