Kiosk drive filter and wider picker

CHANGELOG.md

@@ -24,6 +24,12 @@ ADR-007 and ADR-002.
 
 ### Fixed
 
+- **Muted text on the USB kiosk and in guides was not muted.** Both named a
+  `--textmuted` variable this app has never defined, so the browser dropped the
+  declaration and the hints, subtitles and locker lines rendered at full
+  strength against the text they were meant to sit behind. The variable is
+  `--text-light`.
+
 - **Plugin reports rendered a raw JSON dump.** The reports page ran a hardcoded
   switch over five core report ids and fell through to
   `console.error('Unknown report')`, and its results panel was a matching chain
@@ -77,6 +83,13 @@ ADR-007 and ADR-002.
   left behind by somebody on leave would then be unreturnable at the kiosk,
   which just moves the problem to a person with a login.
 
+  The list of free drives is filtered from a search box, and lays itself out in
+  as many columns as the panel is wide - up to four on a wall display. A cabinet
+  of thirty drives was one long column somebody had to read through. A drive is
+  found by its id, by what is written on it, or by where it lives, in whatever
+  word order comes naturally: "locker engineer" finds the engineering locker,
+  because that is what people say.
+
 - **Audit log retention.** The audit log is append-only and nothing ever removed
   a row, so it grew for as long as a site ran - here to the point where the
   audit page was tens of thousands of pages deep and therefore useless, because