fix(web): parse string readiness checks on monitoring System tab

Исправляет ложные «Ошибки проверок»: GET /v1/ready отдаёт строки ok/memory, а не boolean. Уплотнён ReUI Frame/donut layout на вкладке Система.

Co-authored-by: Cursor <[email protected]>

apps/web/src/components/analytics/chart-donut-metric.tsx

@@ -40,7 +40,7 @@ export function ChartDonutMetric({
   }
 
   return (
-    <div className={cn('flex items-center gap-6', className)}>
+    <div className={cn('flex flex-col items-center justify-start gap-4 sm:flex-row sm:gap-6', className)}>
       <ChartContainer config={chartConfig} className="mx-0 aspect-square h-44 w-44 shrink-0">
         <PieChart>
           <Pie
@@ -75,7 +75,7 @@ export function ChartDonutMetric({
         </PieChart>
       </ChartContainer>
 
-      <ul className="min-w-0 flex-1 space-y-3">
+      <ul className="flex w-full min-w-0 max-w-xs flex-col gap-3 sm:w-auto sm:min-w-[10rem]">
         {slices.map((slice) => {
           const pct = total > 0 ? ((slice.count / total) * 100).toFixed(1) : '0'
           return (