DESIGN.md@docs/benchmarks/billing-dashboard git:20261026.4a4e92bA

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# Design direction

- Product: the admin app for team workspaces. Owners and admins check billing a few times a month, usually
  because something needs attention.
- Character: calm and exact. Money and dates are easy to scan; nothing competes with a problem when there is one.
- Voice: plain, short, specific. Say what happened and what to do next; no blame, no jokes.
- Motion: none beyond loading indicators.