One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.
Add an optional Recharts <Brush> to the shared HealthChart, gated behind a
new `selectableDomain` prop. When set, the chart mounts the brush beneath
the plot and reports the Min/Max/Median/Mean over the brushed window per
type through `onDomainStats`. A range-tab change or a series refetch clears
or clamps the selection so the brush never indexes past the data.
The dashboard, trends-row, VO2 row, sleep, and rationale mounts do not pass
the prop, so they render unchanged — the feature is fully isolated behind
the flag.
`computeWindowStats` is a pure helper (no React/Recharts) so the chart can
summarise the array it already holds without a refetch and the maths is
unit-tested directly. The median uses the same linear-interpolated midpoint
as `summarize()` so a window and the full-range summary read on one
algorithm. `useChartDomainStats` lifts the per-type window into shared state
with a stable callback and a shallow guard against repeat windows.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Marc-André Bombeck