* Add sidebar help menu
* Fix help menu test wiring
* Fix help menu accessibility
* Use native popup for help menu
* Use icon button for sidebar help
* Add feedback composer and feedback API
* Allow preview builds without feedback env
* Tighten feedback upload limits
* Adjust sidebar footer padding
* Tighten sidebar footer spacing
* Add link affordances to help menu
* Polish sidebar feedback composer
* Move feedback icon to trailing edge
* Normalize help menu trailing icon sizes
* Enlarge help menu trailing icons
* Reduce help menu link icon size
* Shrink help menu link arrow
* Reduce help menu link arrow again
* Fix feedback message editor focus
* Add send feedback keyboard shortcut
* Polish feedback launch and delivery
* Add GitHub star count to site header
Fetches star count from GitHub API via /api/github-stars with 5-minute
server-side caching (ISR + stale-while-revalidate). Shows formatted
count (e.g. "2.2k") next to the GitHub link in both desktop nav and
mobile drawer.
* Move star count to separate badge left of download button
GitHub icon + formatted count as its own clickable element in the
right header section, separate from the nav links. Desktop only.
* Center GitHub stars badge vertically in header
* Add right padding to GitHub stars badge
