Cost, health (cpu/mem/disk), and subagents, plus an activity row for the
panels that fit none of the three (agent/turn counts, lines-of-code and
CLAUDE.md-size trends). Rows rather than tabs: Grafana's tab layout is a
v2/Scenes-schema feature, and this deployment's file-based provisioner
doesn't reliably load v2-schema dashboards, so classic-schema collapsible
rows are the closest available equivalent — one section open, the rest
collapsed. activity stays expanded so the dashboard opens on something
useful instead of a wall of accordion headers.