Stewards, architects, consumers — chart contract before the chart picker ≈ one day

Chart choice deep dive

Task before the chart picker: type, bans per surface, honest scale, field before promotion.

Start as sprint plan Opens the Sprint Planner with a matching template.

1. Read the series

Contract, task→type, bans, scale, gate.
- Series: Chart choice deep dive series
- Part 1: Contract, not style story
2. One contract

Defaults, bans, and scale for one steering surface.
3. Next: visual and surface

Tokens and a11y stay visual; surface type stays surface design.
- Before: Dashboard and report design deep dive path
- Next: Dashboard visual & a11y series