* implement summary timeline
* implement summary timeline
* merge dev
* conditionally attach listeners only when dragging
* set up listeners with a ref
* initial implementation of review timeline
* hooks
* clean up and comments
* reorganize components
* colors and tweaks
* remove touch events for now
* remove touch events for now
* fix vite config
* use unix timestamps everywhere
* fix corner rounding
* comparison
* use ReviewSegment type
* update mock review event generator
* severity type enum
* remove testing code