v4.29.0 — Fixed viewport ranges and recorded endpoints

Added

• The Time scroll demo includes a fixed-price-range setting, feed freeze, and
  repeatable history/future-space previews for comparing viewport.range off/on.

• Experimental viewport.range supplies exact { min, max } price bounds while
  viewport.end is non-null. It keeps annotation coordinates stable in empty past
  or future space. Invalid/null bounds restore auto-fit; returning to live ignores
  the override. Range-only writes also wake autoSleep charts.

• LoadingConfig.freezeAfterMs freezes the loading squiggle once it has
  animated that long (ms) each time the loading or empty shell appears; its
  frame callback stops until the shell next appears. Time is counted in frames
  drawn (at most 34 ms each), so time in the background doesn't use it up; the
  reveal morph always animates, and 0 or less freezes from the start. Omitted
  by default: no limit, as before.

Changed

• Line-mode LiveChart with an external viewport or positive windowBuffer
  stops the line/dot at the last recorded point, leaving future space empty.
  Badge and value-line prices stay aligned with that point. Existing
  badge.followViewEdge, dot.trackWhileParked, and candle-price behavior are
  preserved.

• badge.textAlign: "yAxisColumn" no longer centers the value in a tailed
  right-gutter pill too narrow for both paddings. Next to the tail, whose
  taper already keeps the value off the outline, the pill gives up the left
  padding first, then the right one, so the value moves continuously as the
  pill narrows. With room for its right padding it ends padX from the pill's
  end (the column's right edge when marginEdge + padX equals
  labelRightMargin); before, it was centered, half the missing padding to the
  right (2 px with padX: 4 and no left padding). Only a value wider than the
  pill's body is still centered. Pills with room for both paddings and pills
  without a tail are unchanged.

Fixed

• Preserve the final recorded sample when reducing dense line data, so controlled
  or buffered charts end at the same price as their live dot and badge.

Maintenance

• Align the example app with Expo 57.0.31, deduplicate native modules, and refresh
  the Metro Bundle Mode patches for 0.84.5. Pin the test renderer to the version
  compatible with React 19.2, and check Expo dependency versions, TypeScript, and
  lint in CI.
• Update React Doctor to 0.9.18 and make npm run doctor use the installed version.