Dashboard cards: rebuild deployable dists

CHANGELOG.md

@@ -19,8 +19,14 @@ ADR-007 and ADR-002.
   The only evidence a backup still ran was a line in a log file on the PC.
   `lastseenat` is touched on every matching post, including the no-op, and is
   backfilled from the timestamps that already exist.
-- Dashboard cards for enforcement failures, PCs not reporting, and backups that
-  have stopped. The dashboard now renders cards plugins declare, which it never
+- The low-supplies report lists only the cartridges that need replacing. A
+  printer with one empty black and three full colour cartridges was listing all
+  four, so the reader had to hunt for the problem inside the row. The report
+  exists to answer "what needs replacing".
+- Dashboard cards for enforcement failures, machine numbers claimed by two PCs,
+  PCs not reporting, backups that have stopped, printer supplies, expiring
+  warranties, machines out of service, and the notifications currently showing
+  on the floor. The dashboard now renders cards plugins declare, which it never
   did before - five plugins had been declaring widgets into a void, pointing at
   components nobody wrote. Cards are ordered by severity, hide themselves when
   there is nothing to report, gate on a permission, and each fetches