fix(quota): stop showing misleading OpenRouter percentages (#1127)

* fix(quota): stop showing misleading OpenRouter percentages

Fixes #1085

* fix(quota): clean up OpenRouter credit labels

---------
Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/lib/quota/index.ts

@@ -3,6 +3,7 @@ export type { QuotaProviderMeta } from './providers';
 export {
   clampPercent,
   formatPercent,
+  formatQuotaValueLabel,
   resolveUsageTone,
   formatWindowLabel,
   calculatePace,

packages/ui/src/lib/quota/utils.ts

@@ -12,6 +12,13 @@ export const formatPercent = (value: number | null): string => {
   return `${Math.round(value)}%`;
 };
 
+export const formatQuotaValueLabel = (
+  valueLabel: string | null | undefined,
+  percent: number | null,
+): string => {
+  return valueLabel ?? formatPercent(percent);
+};
+
 export const resolveUsageTone = (percent: number | null): 'safe' | 'warn' | 'critical' => {
   if (percent === null) {
     return 'safe';