refactor(ui): remove KPI strip from Dashboard — metrics now in tab bar

ui/src/pages/Dashboard/Dashboard.tsx

@@ -4,17 +4,14 @@ import { AlertTriangle, X, Search } from 'lucide-react'
 import {
   DataTable,
   ShortcutsBar,
-  KpiStrip,
   StatusDot,
   MonoText,
   Badge,
   useGlobalFilters,
 } from '@cameleer/design-system'
-import type { Column, KpiItem } from '@cameleer/design-system'
+import type { Column } from '@cameleer/design-system'
 import {
   useSearchExecutions,
-  useExecutionStats,
-  useStatsTimeseries,
 } from '../../api/queries/executions'
 import type { ExecutionSummary } from '../../api/types'
 import styles from './Dashboard.module.css'
@@ -199,16 +196,12 @@ export default function Dashboard() {
   const { timeRange, statusFilters } = useGlobalFilters()
   const timeFrom = timeRange.start.toISOString()
   const timeTo = timeRange.end.toISOString()
-  const timeWindowSeconds = (timeRange.end.getTime() - timeRange.start.getTime()) / 1000
-
   const handleSortChange = useCallback((key: string, dir: 'asc' | 'desc') => {
     setSortField(key)
     setSortDir(dir)
   }, [])
 
   // ─── API hooks ───────────────────────────────────────────────────────────
-  const { data: stats } = useExecutionStats(timeFrom, timeTo, routeId, appId)
-  const { data: timeseries } = useStatsTimeseries(timeFrom, timeTo, routeId, appId)
   // Convert design-system status filters (lowercase) to API status param (uppercase)
   const statusParam = statusFilters.size > 0
     ? [...statusFilters].map(s => s.toUpperCase()).join(',')
@@ -236,94 +229,6 @@ export default function Dashboard() {
     [searchResult],
   )
 
-  // ─── KPI items ───────────────────────────────────────────────────────────
-  const totalCount = stats?.totalCount ?? 0
-  const failedCount = stats?.failedCount ?? 0
-  const successRate = totalCount > 0 ? ((totalCount - failedCount) / totalCount) * 100 : 100
-  const throughput = timeWindowSeconds > 0 ? totalCount / timeWindowSeconds : 0
-
-  const prevTotal = stats?.prevTotalCount ?? 0
-  const prevFailed = stats?.prevFailedCount ?? 0
-  const exchangeTrend = prevTotal > 0 ? ((totalCount - prevTotal) / prevTotal) * 100 : 0
-  const prevSuccessRate = prevTotal > 0 ? ((prevTotal - prevFailed) / prevTotal) * 100 : 100
-  const successRateDelta = successRate - prevSuccessRate
-  const errorDelta = failedCount - prevFailed
-
-  const sparkExchanges = useMemo(
-    () => (timeseries?.buckets || []).map((b: any) => b.totalCount as number),
-    [timeseries],
-  )
-  const sparkErrors = useMemo(
-    () => (timeseries?.buckets || []).map((b: any) => b.failedCount as number),
-    [timeseries],
-  )
-  const sparkLatency = useMemo(
-    () => (timeseries?.buckets || []).map((b: any) => b.p99DurationMs as number),
-    [timeseries],
-  )
-  const sparkThroughput = useMemo(
-    () =>
-      (timeseries?.buckets || []).map((b: any) => {
-        const bucketSeconds = timeWindowSeconds / Math.max((timeseries?.buckets || []).length, 1)
-        return bucketSeconds > 0 ? (b.totalCount as number) / bucketSeconds : 0
-      }),
-    [timeseries, timeWindowSeconds],
-  )
-
-  const kpiItems: KpiItem[] = useMemo(
-    () => [
-      {
-        label: 'Exchanges',
-        value: totalCount.toLocaleString(),
-        trend: {
-          label: `${exchangeTrend > 0 ? '\u2191' : exchangeTrend < 0 ? '\u2193' : '\u2192'} ${exchangeTrend > 0 ? '+' : ''}${exchangeTrend.toFixed(0)}%`,
-          variant: (exchangeTrend > 0 ? 'success' : exchangeTrend < 0 ? 'error' : 'muted') as 'success' | 'error' | 'muted',
-        },
-        subtitle: `${successRate.toFixed(1)}% success rate`,
-        sparkline: sparkExchanges,
-        borderColor: 'var(--amber)',
-      },
-      {
-        label: 'Success Rate',
-        value: `${successRate.toFixed(1)}%`,
-        trend: {
-          label: `${successRateDelta >= 0 ? '\u2191' : '\u2193'} ${successRateDelta >= 0 ? '+' : ''}${successRateDelta.toFixed(1)}%`,
-          variant: (successRateDelta >= 0 ? 'success' : 'error') as 'success' | 'error',
-        },
-        subtitle: `${(totalCount - failedCount).toLocaleString()} ok / ${failedCount} error`,
-        borderColor: 'var(--success)',
-      },
-      {
-        label: 'Errors',
-        value: failedCount,
-        trend: {
-          label: `${errorDelta > 0 ? '\u2191' : errorDelta < 0 ? '\u2193' : '\u2192'} ${errorDelta > 0 ? '+' : ''}${errorDelta}`,
-          variant: (errorDelta > 0 ? 'error' : errorDelta < 0 ? 'success' : 'muted') as 'success' | 'error' | 'muted',
-        },
-        subtitle: `${failedCount} errors in selected period`,
-        sparkline: sparkErrors,
-        borderColor: 'var(--error)',
-      },
-      {
-        label: 'Throughput',
-        value: `${throughput.toFixed(1)} msg/s`,
-        trend: { label: '\u2192', variant: 'muted' as const },
-        subtitle: `${throughput.toFixed(1)} msg/s`,
-        sparkline: sparkThroughput,
-        borderColor: 'var(--running)',
-      },
-      {
-        label: 'Latency p99',
-        value: `${(stats?.p99LatencyMs ?? 0).toLocaleString()} ms`,
-        trend: { label: '', variant: 'muted' as const },
-        subtitle: `${(stats?.p99LatencyMs ?? 0).toLocaleString()}ms`,
-        sparkline: sparkLatency,
-        borderColor: 'var(--warning)',
-      },
-    ],
-    [totalCount, failedCount, successRate, throughput, exchangeTrend, successRateDelta, errorDelta, sparkExchanges, sparkErrors, sparkLatency, sparkThroughput, stats?.p99LatencyMs],
-  )
-
   // ─── Table columns ──────────────────────────────────────────────────────
   const columns: Column<Row>[] = useMemo(() => buildBaseColumns(), [])
 
@@ -344,9 +249,6 @@ export default function Dashboard() {
     <>
       {/* Scrollable content */}
       <div className={styles.content}>
-        {/* KPI strip */}
-        <KpiStrip items={kpiItems} />
-
         {/* Exchanges table */}
         <div className={styles.tableSection}>
           <div className={styles.tableHeader}>