* Make the True Retention table pretty
* Hide absolute pass/fail table for 'all'
* Run './ninja format'
* Manually run prettier on Svelte 5 components
* Refactor to not use {#snippet}
* Fix lint to pass check:eslint
* Fix lint to pass check:svelte
* Rename t9n -> tr to follow code style
* Replace hard-coded string with a translation string
* Use assertUnreachable(...) for exhaustively matching enum
