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[Maintainer] i18n: fix scoped-locale and decimal Bugbot findings from #1148 - #1159

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Aymericr wants to merge 24 commits into
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cursor/i18n-registry-ae7f

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@Aymericr

@Aymericr Aymericr commented Oct 27, 2026 •

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What does this PR do?

Follows up on #1148’s five remaining Bugbot findings:

  • False positive — client locale reset: ClientBootstrap subscribes with defaultI18n.subscribeLocale, which excludes catalog refresh notifications. Registering a later compiled pack therefore refreshes messages without applying the global English locale to the request scope. The regression now explicitly registers a compiled catalog while global en and request-local fr differ, and verifies no locale notification or reset occurs.
  • False positive — slider scoped parsing: SliderControl gets locale from useLocale() and calls parseSliderBareValue(text, locale), which forwards it to parseLocalizedNumber. The regression now explicitly keeps global locale en while rendering and parsing through a French scope.
  • False positive — formatter hydration: formatNumber no longer reads the live registry locale; its default is deterministic English and React renderers pass the useLocale() snapshot explicitly. The SSR regression now asserts global English and request-local French simultaneously.
  • Fixed — decimal write-back: metric controls now use locale-aware Intl.NumberFormat for idle, edit, reset, and arrow-key values. Slider write-back was already locale-aware and remains covered. The related floor-plan extrusion input now also preserves the scoped decimal separator after unit or locale changes.
  • Fixed — floor-plan formatting: reference-scale labels, prefilled inputs, and scale previews now use the scoped locale instead of the panel’s local ASCII-only formatter.

apps/editor/proxy.ts is unchanged.

How to test

  1. Run bun test packages/core/src/i18n packages/editor/src/components/ui/controls/slider-control.test.tsx packages/editor/src/components/ui/controls/metric-control.test.ts packages/editor/src/components/editor/floorplan-panel.test.ts packages/editor/src/components/editor-2d/floorplan-measurement-tool-layer.test.ts.
  2. Run bun run ci.
  3. In a French-scoped editor, verify 2,75 remains comma-formatted after committing metric, slider, extrusion, and reference-scale values.

Screenshots / screen recording

N/A — non-visual formatting correctness change.

Checklist

  • I've tested this locally with bun dev
  • My code follows the existing code style (run bun check to verify)
  • I've updated relevant documentation (if applicable)
  • This PR targets the main branch
Open in Web Open in Cursor 

@Aymericr Aymericr added the bot:maintainer label Oct 27, 2026 — with Cursor
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📝 Code Review ✅ Completed 2026-10-27T01:01:10.028713Z — PR opened
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Closing as a duplicate. This PR's head (1dbbd105) is the same commit #1148 was squash-merged from, so every fix described here is already on main in 374b781. The only tree difference against main is the newer safe-fetch work from #1158. Any further i18n follow-ups should go in a fresh branch off main.

@Aymericr Aymericr closed this Oct 27, 2026

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Cursor Bugbot has reviewed your changes using high effort and found 3 potential issues.

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit 1dbbd10. Configure here.

? measurementHint(inputValue, spec, {
bareUnit: parseUnit ?? spec.unitId,
system: isImperial ? 'us' : 'metric',
locale,

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Metric write-back stays ASCII

Medium Severity

MetricControl now parses with the scoped locale but still formats idle, edit, reset, and arrow-key values with toFixed. In a French scope the field shows 2.75 after commit instead of 2,75, so the control never writes the locale decimal separator back into the UI.

Additional Locations (2)
Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit 1dbbd10. Configure here.

unitsPerPixel: number
}) {
const unit = useViewer((state) => state.unit)
const locale = useLocale()

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Extrusion input loses comma decimals

Medium Severity

The extrusion field now parses with the scoped locale, but its initial value and the unit-change effect still stringify with toFixed. After a unit or locale change the input is rewritten with a period, so a French 2,75 does not survive.

Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit 1dbbd10. Configure here.

/** Lingo-parse the free-text real-length input in the dropdown's unit — a
* bare number means the dropdown unit, while `180cm`, `1m80` or `5'11"`
* override it. Returns `null` when the text isn't a readable length. */
function parseReferenceScaleLength(raw: string, unit: ReferenceScaleUnit): number | null {

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Reference-scale labels stay ASCII

Medium Severity

Reference-scale parsing now takes the scoped locale, but labels and scale previews still format through the panel's local toFixed helper. Committed lengths and area previews keep a period in French instead of a comma.

Additional Locations (2)
Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit 1dbbd10. Configure here.

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💡 Codex Review

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unit = '',
restoreOnCommit = true,
}: MetricControlProps) {
const locale = useLocale()

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P2 Badge Format metric controls with the scoped locale

When an editor is scoped to a decimal-comma locale such as French, this locale is used only while parsing; the control still initializes, resets, and renders its value with toFixed, so users see 2.75 even though the equivalent SliderControl shows and accepts 2,75. Use a locale-aware formatter for the displayed and editable values as well as for parsing.

Useful? React with 👍 / 👎.

Comment on lines +165 to +168
return `${formatNumber(squareMetersToAreaUnit(squareMeters, unit), {
min: fractionDigits,
max: fractionDigits,
})}${getAreaUnitLabel(unit)}`

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P2 Badge Thread the locale through measurement label formatters

With <Editor locale="fr">, area, volume, and metric-length labels still use English decimal punctuation because these helpers call formatNumber without a locale, whose documented default is English. This affects measurement overlays and quantity panels throughout the editor; accept a locale in these formatters and pass the scoped useLocale() value from rendering paths.

Useful? React with 👍 / 👎.

@Aymericr
Aymericr deleted the cursor/i18n-registry-ae7f branch October 27, 2026 12:19
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