Nathan: the members axis should be whole numbers, since it counts people. It
was drawing fractional ticks (19.17 people) because the 1.08 headroom factor
fed straight into the label math.
Ticks now come from a step, with the axis top set to step x 4, so labels land
on round numbers:
- counts (members, requests): whole numbers, rounded up to a half power of ten
(requests read 3,000, not 2,888). Never below 1, so a near-empty series still
gets an integer axis rather than fractions.
- money: the 1/2/5 x 10^k rule, so ticks read $10.00 rather than $4.92.
Rendered now: members 0 | 20 | 40 | 60 | 80; requests 0 | 3,000 | 6,000 |
9,000 | 12,000; spend $0.00 | $10.00 | $20.00 | $30.00 | $40.00.
The node harness gained assertions for this, checked geometrically (tick values
ascend while their screen positions descend, the zero tick sits lowest, ticks
are evenly spaced) rather than assuming a text order, so a fractional
people-axis or a misplaced label fails before a deploy.
inference-bot
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