UIPackage
Menu

Framework

Change language

Boilerplate repo

Cdc Replication Stream

blockdevops

Debezium and Fivetran style Change Data Capture (CDC) replication monitor and binlog sync pipeline with live telemetry metrics, table operation breakdowns, and real-time before/after row diff streaming.

Also available for Vue ->

Installation

$npx shadcn@latest add https://uipkge.dev/r/react/cdc-replication-stream.json
Named registry:npx shadcn@latest add @uipkge-react/cdc-replication-streamInstalls to:components/blocks/

Variants

Loading interactive previews…

Props

NameType / ValuesDefaultRequired
initialEventsCdcStreamEvent[]optional
initialTablesCdcTableMetric[]optional
initialPausedbooleanoptional
initialOperationFilter'all' | CdcOperationoptional
initialSearchstringoptional
classNamestringoptional

Schema

Type aliases exported from this item's source. Use these to shape the data you pass in.

CdcTableMetric
interface CdcTableMetric {
  name: string
  schema: string
  primaryKey: string
  syncedRows: number
  replicationDelayMs: number
  status: 'synchronized' | 'syncing' | 'paused'
  operations: {
    insertPercent: number
    updatePercent: number
    deletePercent: number
  }
  mode: string
}
CdcStreamEvent
interface CdcStreamEvent {
  id: string
  timestamp: string
  table: string
  operation: CdcOperation
  primaryKey: string
  binlogPosition: string
  lsn: string
  txId: string
  summary: string
  modifiedFields?: string[]
  before?: Record<string, unknown>
  after?: Record<string, unknown>
}

Files installed (1)

  • components/blocks/CdcReplicationStream.tsx49.8 kB
    'use client'
    
    import * as React from 'react'
    import {
      Activity,
      ArrowRight,
      ArrowRightLeft,
      Check,
      ChevronDown,
      ChevronRight,
      Copy,
      Database,
      Download,
      Filter,
      Layers,
      Pause,
      Play,
      RefreshCw,
      Search,
      Server,
      ShieldCheck,
      Terminal,
      Zap,
    } from 'lucide-react'
    import { cn } from '@/lib/utils'
    import { Badge } from '@/components/ui/badge'
    import { Button } from '@/components/ui/button'
    import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
    import { Input } from '@/components/ui/input'
    import { Progress } from '@/components/ui/progress'
    import { Separator } from '@/components/ui/separator'
    import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from '@/components/ui/table'
    
    export type CdcOperation = 'INSERT' | 'UPDATE' | 'DELETE'
    
    export interface CdcTableMetric {
      name: string
      schema: string
      primaryKey: string
      syncedRows: number
      replicationDelayMs: number
      status: 'synchronized' | 'syncing' | 'paused'
      operations: {
        insertPercent: number
        updatePercent: number
        deletePercent: number
      }
      mode: string
    }
    
    export interface CdcStreamEvent {
      id: string
      timestamp: string
      table: string
      operation: CdcOperation
      primaryKey: string
      binlogPosition: string
      lsn: string
      txId: string
      summary: string
      modifiedFields?: string[]
      before?: Record<string, unknown>
      after?: Record<string, unknown>
    }
    
    export interface CdcReplicationStreamProps {
      initialEvents?: CdcStreamEvent[]
      initialTables?: CdcTableMetric[]
      initialPaused?: boolean
      initialOperationFilter?: 'all' | CdcOperation
      initialSearch?: string
      className?: string
    }
    
    const defaultTables: CdcTableMetric[] = [
      {
        name: 'users',
        schema: 'public',
        primaryKey: 'id [UUID]',
        syncedRows: 1842910,
        replicationDelayMs: 12,
        status: 'synchronized',
        operations: {
          insertPercent: 65,
          updatePercent: 30,
          deletePercent: 5,
        },
        mode: 'Continuous WAL',
      },
      {
        name: 'orders',
        schema: 'public',
        primaryKey: 'order_id [BIGINT]',
        syncedRows: 2145820,
        replicationDelayMs: 16,
        status: 'synchronized',
        operations: {
          insertPercent: 78,
          updatePercent: 20,
          deletePercent: 2,
        },
        mode: 'Continuous WAL',
      },
      {
        name: 'transactions',
        schema: 'public',
        primaryKey: 'tx_hash [VARCHAR]',
        syncedRows: 624300,
        replicationDelayMs: 18,
        status: 'synchronized',
        operations: {
          insertPercent: 92,
          updatePercent: 7,
          deletePercent: 1,
        },
        mode: 'Continuous WAL',
      },
      {
        name: 'subscriptions',
        schema: 'public',
        primaryKey: 'sub_id [UUID]',
        syncedRows: 208440,
        replicationDelayMs: 14,
        status: 'synchronized',
        operations: {
          insertPercent: 45,
          updatePercent: 50,
          deletePercent: 5,
        },
        mode: 'Continuous WAL',
      },
    ]
    
    const defaultEvents: CdcStreamEvent[] = [
      {
        id: 'evt-cdc-104',
        timestamp: '2026-08-21T14:32:05.812Z',
        table: 'public.subscriptions',
        operation: 'UPDATE',
        primaryKey: 'sub_99a8b1c4',
        binlogPosition: 'mysql-bin.000412 : 8492014',
        lsn: '0/16B38E0',
        txId: 'tx_883019',
        summary: 'status: "trialing" → "active", plan: "starter_monthly" → "enterprise_annual", seats: 5 → 25',
        modifiedFields: ['status', 'plan', 'seats', 'monthly_amount', 'trial_ends_at', 'updated_at'],
        before: {
          id: 'sub_99a8b1c4',
          user_id: 'usr_44018',
          plan: 'starter_monthly',
          status: 'trialing',
          seats: 5,
          monthly_amount: 49.0,
          auto_renew: true,
          trial_ends_at: '2026-08-21T23:59:59Z',
          updated_at: '2026-08-14T10:00:00Z',
        },
        after: {
          id: 'sub_99a8b1c4',
          user_id: 'usr_44018',
          plan: 'enterprise_annual',
          status: 'active',
          seats: 25,
          monthly_amount: 490.0,
          auto_renew: true,
          trial_ends_at: null,
          updated_at: '2026-08-21T14:32:05Z',
        },
      },
      {
        id: 'evt-cdc-103',
        timestamp: '2026-08-21T14:32:04.195Z',
        table: 'public.orders',
        operation: 'INSERT',
        primaryKey: 'ord_8819203',
        binlogPosition: 'mysql-bin.000412 : 8491820',
        lsn: '0/16B3698',
        txId: 'tx_883018',
        summary: 'New checkout order created for $1,280.00 (Customer: usr_99120, 3 line items)',
        modifiedFields: [],
        after: {
          order_id: 'ord_8819203',
          customer_id: 'usr_99120',
          currency: 'USD',
          total_amount: 1280.0,
          tax_amount: 102.4,
          status: 'paid',
          payment_gateway: 'stripe_card',
          shipping_country: 'US',
          created_at: '2026-08-21T14:32:04Z',
        },
      },
      {
        id: 'evt-cdc-102',
        timestamp: '2026-08-21T14:31:59.604Z',
        table: 'public.transactions',
        operation: 'UPDATE',
        primaryKey: 'tx_0x99b1f41',
        binlogPosition: 'mysql-bin.000412 : 8491412',
        lsn: '0/16B3440',
        txId: 'tx_883017',
        summary: 'status: "processing" → "settled", settled_at timestamp set',
        modifiedFields: ['status', 'settled_at'],
        before: {
          tx_hash: 'tx_0x99b1f41',
          order_id: 'ord_8819198',
          amount: 349.5,
          status: 'processing',
          settled_at: null,
          fee_cents: 1045,
        },
        after: {
          tx_hash: 'tx_0x99b1f41',
          order_id: 'ord_8819198',
          amount: 349.5,
          status: 'settled',
          settled_at: '2026-08-21T14:31:59Z',
          fee_cents: 1045,
        },
      },
      {
        id: 'evt-cdc-101',
        timestamp: '2026-08-21T14:31:52.410Z',
        table: 'public.users',
        operation: 'INSERT',
        primaryKey: 'usr_99304',
        binlogPosition: 'mysql-bin.000412 : 8490980',
        lsn: '0/16B31F0',
        txId: 'tx_883016',
        summary: 'New user registration: [email protected] (Org: org_7720)',
        modifiedFields: [],
        after: {
          id: 'usr_99304',
          email: '[email protected]',
          full_name: 'Elena Rostova',
          org_id: 'org_7720',
          role: 'data_engineer',
          email_verified: true,
          mfa_enabled: true,
          created_at: '2026-08-21T14:31:52Z',
        },
      },
      {
        id: 'evt-cdc-100',
        timestamp: '2026-08-21T14:31:40.118Z',
        table: 'public.subscriptions',
        operation: 'DELETE',
        primaryKey: 'sub_7718021',
        binlogPosition: 'mysql-bin.000412 : 8490410',
        lsn: '0/16B2FA0',
        txId: 'tx_883015',
        summary: 'Hard purge of cancelled expired trial subscription sub_7718021',
        modifiedFields: [],
        before: {
          id: 'sub_7718021',
          user_id: 'usr_22910',
          plan: 'developer_free',
          status: 'cancelled',
          seats: 1,
          deleted_at: '2026-08-21T14:31:40Z',
        },
      },
    ]
    
    const currentBinlog = 'mysql-bin.000412 : 8492014'
    
    function matchesSearch(event: CdcStreamEvent, query: string): boolean {
      if (!query.trim()) return true
      const q = query.trim()
    
      if (q.startsWith('/') && q.length > 1) {
        const lastSlash = q.lastIndexOf('/')
        if (lastSlash > 0) {
          const pattern = q.slice(1, lastSlash)
          const flags = q.slice(lastSlash + 1)
          try {
            const re = new RegExp(pattern, flags)
            return (
              re.test(event.table) ||
              re.test(event.operation) ||
              re.test(event.primaryKey) ||
              re.test(event.binlogPosition) ||
              re.test(event.lsn) ||
              re.test(event.txId) ||
              re.test(event.summary) ||
              re.test(JSON.stringify(event.before ?? {})) ||
              re.test(JSON.stringify(event.after ?? {}))
            )
          } catch {
            // Fall back to plain search on invalid regex
          }
        }
      }
    
      const lower = q.toLowerCase()
      return (
        event.table.toLowerCase().includes(lower) ||
        event.operation.toLowerCase().includes(lower) ||
        event.primaryKey.toLowerCase().includes(lower) ||
        event.binlogPosition.toLowerCase().includes(lower) ||
        event.lsn.toLowerCase().includes(lower) ||
        event.txId.toLowerCase().includes(lower) ||
        event.summary.toLowerCase().includes(lower) ||
        JSON.stringify(event.before ?? {})
          .toLowerCase()
          .includes(lower) ||
        JSON.stringify(event.after ?? {})
          .toLowerCase()
          .includes(lower)
      )
    }
    
    function formatTimestamp(iso: string): string {
      try {
        const d = new Date(iso)
        return d.toISOString().replace('T', ' ').replace('Z', ' UTC')
      } catch {
        return iso
      }
    }
    
    function formatNumber(num: number): string {
      return new Intl.NumberFormat('en-US').format(num)
    }
    
    export function CdcReplicationStream({
      initialEvents,
      initialTables,
      initialPaused = false,
      initialOperationFilter = 'all',
      initialSearch = '',
      className,
    }: CdcReplicationStreamProps) {
      const [tables] = React.useState<CdcTableMetric[]>(initialTables ? [...initialTables] : [...defaultTables])
      const [events, setEvents] = React.useState<CdcStreamEvent[]>(initialEvents ? [...initialEvents] : [...defaultEvents])
      const [isPaused, setIsPaused] = React.useState(initialPaused)
      const [isSnapshotting, setIsSnapshotting] = React.useState(false)
      const [snapshotNotice, setSnapshotNotice] = React.useState(false)
      const [selectedOperation, setSelectedOperation] = React.useState<'all' | CdcOperation>(initialOperationFilter)
      const [searchQuery, setSearchQuery] = React.useState(initialSearch)
      const [expandedIds, setExpandedIds] = React.useState<Record<string, boolean>>({
        'evt-cdc-104': true,
      })
      const [copiedEventId, setCopiedEventId] = React.useState<string | null>(null)
      const [copiedBinlog, setCopiedBinlog] = React.useState(false)
      const [exportedNotice, setExportedNotice] = React.useState(false)
    
      const filteredEvents = React.useMemo(() => {
        return events.filter((event) => {
          const matchesOp = selectedOperation === 'all' || event.operation === selectedOperation
          const matchesText = matchesSearch(event, searchQuery)
          return matchesOp && matchesText
        })
      }, [events, selectedOperation, searchQuery])
    
      const operationCounts = React.useMemo(() => {
        return {
          all: events.length,
          INSERT: events.filter((e) => e.operation === 'INSERT').length,
          UPDATE: events.filter((e) => e.operation === 'UPDATE').length,
          DELETE: events.filter((e) => e.operation === 'DELETE').length,
        }
      }, [events])
    
      const allExpanded = filteredEvents.length > 0 && filteredEvents.every((e) => expandedIds[e.id])
    
      function togglePause() {
        setIsPaused((prev) => !prev)
      }
    
      function toggleExpand(id: string) {
        setExpandedIds((prev) => ({
          ...prev,
          [id]: !prev[id],
        }))
      }
    
      function toggleAllExpand() {
        if (allExpanded) {
          setExpandedIds({})
        } else {
          const next: Record<string, boolean> = {}
          filteredEvents.forEach((e) => {
            next[e.id] = true
          })
          setExpandedIds(next)
        }
      }
    
      function triggerSnapshot() {
        if (isSnapshotting) return
        setIsSnapshotting(true)
        setSnapshotNotice(true)
    
        setTimeout(() => {
          setIsSnapshotting(false)
        }, 2200)
    
        setTimeout(() => {
          setSnapshotNotice(false)
        }, 6000)
      }
    
      function clearStream() {
        setEvents([])
        setExpandedIds({})
      }
    
      function resetStream() {
        setEvents(initialEvents ? [...initialEvents] : [...defaultEvents])
        setSearchQuery('')
        setSelectedOperation('all')
        setExpandedIds({ 'evt-cdc-104': true })
      }
    
      function copyBinlogPosition() {
        if (typeof navigator !== 'undefined' && navigator.clipboard) {
          navigator.clipboard.writeText(currentBinlog)
          setCopiedBinlog(true)
          setTimeout(() => {
            setCopiedBinlog(false)
          }, 2000)
        }
      }
    
      function copyPayload(id: string, payload: Record<string, unknown>) {
        if (typeof navigator !== 'undefined' && navigator.clipboard) {
          navigator.clipboard.writeText(JSON.stringify(payload, null, 2))
          setCopiedEventId(id)
          setTimeout(() => {
            setCopiedEventId((current) => (current === id ? null : current))
          }, 2000)
        }
      }
    
      function exportJson() {
        const dataStr =
          'data:text/json;charset=utf-8,' +
          encodeURIComponent(
            JSON.stringify(
              {
                pipeline: 'Postgres Source (OLTP) -> Snowflake DW (OLAP)',
                binlog_position: currentBinlog,
                timestamp: new Date().toISOString(),
                tables,
                events: filteredEvents,
              },
              null,
              2,
            ),
          )
        if (typeof document !== 'undefined') {
          const downloadAnchor = document.createElement('a')
          downloadAnchor.setAttribute('href', dataStr)
          downloadAnchor.setAttribute(
            'download',
            `cdc-replication-stream-${new Date().toISOString().slice(0, 19).replace(/:/g, '-')}.json`,
          )
          document.body.appendChild(downloadAnchor)
          downloadAnchor.click()
          downloadAnchor.remove()
          setExportedNotice(true)
          setTimeout(() => {
            setExportedNotice(false)
          }, 2000)
        }
      }
    
      return (
        <div data-slot="cdc-replication-stream" className={cn('w-full space-y-4', className)}>
          {/* Header: Sync Pipeline Overview & Global Controls */}
          <div className="flex flex-col gap-4 lg:flex-row lg:items-center lg:justify-between">
            <div className="flex items-start gap-3 sm:items-center">
              <div className="bg-card flex size-10 shrink-0 items-center justify-center rounded-lg border shadow-xs">
                <ArrowRightLeft className="text-primary size-5" aria-hidden="true" />
              </div>
              <div className="space-y-1">
                <div className="flex flex-wrap items-center gap-2">
                  <h2 className="text-foreground text-2xl font-bold tracking-tight">CDC Replication Stream</h2>
    
                  {/* Real-Time Status Badge */}
                  {isSnapshotting ? (
                    <div className="border-info/30 bg-info/10 text-info inline-flex items-center gap-1.5 rounded-full border px-2.5 py-0.5 text-xs font-medium">
                      <RefreshCw className="size-3 animate-spin" aria-hidden="true" />
                      <span>Snapshot Ingest Active</span>
                    </div>
                  ) : !isPaused ? (
                    <div className="border-success/30 bg-success/10 text-success inline-flex items-center gap-1.5 rounded-full border px-2.5 py-0.5 text-xs font-medium">
                      <span className="relative flex size-2 shrink-0">
                        <span className="bg-success absolute inline-flex h-full w-full rounded-full opacity-75" />
                        <span className="bg-success relative inline-flex size-2 rounded-full" />
                      </span>
                      <span>Replication Streaming · 18ms Latency</span>
                    </div>
                  ) : (
                    <div className="border-warning/30 bg-warning/10 text-warning inline-flex items-center gap-1.5 rounded-full border px-2.5 py-0.5 text-xs font-medium">
                      <span className="bg-warning relative inline-flex size-2 rounded-full" />
                      <span>Replication Paused</span>
                    </div>
                  )}
                </div>
    
                {/* Pipeline Architecture Breadcrumb */}
                <div className="flex flex-wrap items-center gap-1.5 text-xs">
                  <span className="text-foreground font-semibold">Postgres Source (OLTP)</span>
                  <ArrowRight className="text-muted-foreground size-3.5" aria-hidden="true" />
                  <span className="text-primary font-semibold">Snowflake DW (OLAP)</span>
                  <span className="text-muted-foreground hidden font-mono sm:inline">
                    Debezium 2.7 · Apache Kafka · pgoutput
                  </span>
                </div>
              </div>
            </div>
    
            {/* Header Action Controls & Binlog Pointer */}
            <div className="flex flex-wrap items-center gap-2">
              {/* Binlog Position Indicator Chip */}
              <button
                type="button"
                aria-label="Copy current binlog position"
                className="bg-muted/50 hover:bg-muted focus-visible:ring-ring flex items-center gap-1.5 rounded-md border px-2.5 py-1 text-xs font-medium transition-colors focus-visible:ring-2 focus-visible:outline-none"
                onClick={copyBinlogPosition}
              >
                <Terminal className="text-muted-foreground size-3.5" aria-hidden="true" />
                <span className="text-muted-foreground">Binlog:</span>
                <span className="text-foreground font-mono font-medium">{currentBinlog}</span>
                {copiedBinlog ? (
                  <Check className="text-success size-3" aria-hidden="true" />
                ) : (
                  <Copy className="text-muted-foreground size-3 opacity-70" aria-hidden="true" />
                )}
              </button>
    
              <Button variant="outline" size="sm" disabled={isSnapshotting} className="gap-1.5" onClick={triggerSnapshot}>
                <RefreshCw className={cn('size-3.5', isSnapshotting && 'text-primary animate-spin')} aria-hidden="true" />
                <span>{isSnapshotting ? 'Syncing Snapshot...' : 'Force Sync Snapshot'}</span>
              </Button>
    
              <Button
                variant="outline"
                size="sm"
                className={isPaused ? 'border-warning/40 text-warning' : ''}
                onClick={togglePause}
              >
                {isPaused ? (
                  <Play className="size-3.5 fill-current" aria-hidden="true" />
                ) : (
                  <Pause className="size-3.5" aria-hidden="true" />
                )}
                <span>{isPaused ? 'Resume Stream' : 'Pause Stream'}</span>
              </Button>
    
              <Button aria-label="Download attachment" variant="default" size="sm" className="gap-1.5" onClick={exportJson}>
                {exportedNotice ? (
                  <Check className="text-success size-3.5" aria-hidden="true" />
                ) : (
                  <Download className="size-3.5" aria-hidden="true" />
                )}
                <span>{exportedNotice ? 'Exported' : 'Export JSON'}</span>
              </Button>
            </div>
          </div>
    
          {/* Snapshot Notification Banner */}
          {snapshotNotice && (
            <div className="text-foreground border-info/30 bg-info/10 flex items-center justify-between rounded-lg border p-3 text-xs shadow-xs">
              <div className="flex items-center gap-2.5">
                <RefreshCw className="text-info size-4 shrink-0" aria-hidden="true" />
                <div>
                  <span className="text-info font-semibold">Snapshot sync initiated:</span>
                  <span>
                    {' '}
                    Executing non-blocking logical schema snapshot across 4 tables at WAL offset{' '}
                    <code className="font-mono font-medium">mysql-bin.000412 : 8492014</code>.
                  </span>
                </div>
              </div>
              <Badge variant="outline" className="font-mono text-xs">
                LSN: 0/16B38E0
              </Badge>
            </div>
          )}
    
          {/* 4 CDC Telemetry Metric Cards */}
          <div className="grid grid-cols-1 gap-4 sm:grid-cols-2 lg:grid-cols-4">
            {/* 1. Replication Lag */}
            <Card className="border-border shadow-xs">
              <CardContent className="p-4">
                <div className="flex items-center justify-between">
                  <span className="text-muted-foreground text-xs font-medium">Replication Lag</span>
                  <div className="bg-primary/10 text-primary border-primary/20 flex size-8 items-center justify-center rounded-md border">
                    <Zap className="size-4" aria-hidden="true" />
                  </div>
                </div>
                <div className="mt-3 space-y-1.5">
                  <div className="flex items-baseline gap-2">
                    <span className="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">18ms</span>
                    <span className="text-muted-foreground text-xs">p99: 24ms</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <Badge variant="success" className="font-mono text-xs">
                      Sub-second real-time
                    </Badge>
                  </div>
                  <div className="pt-1">
                    <div className="text-muted-foreground flex justify-between text-xs">
                      <span>SLA Headroom</span>
                      <span className="font-mono">96.4%</span>
                    </div>
                    <Progress value={3.6} className="mt-1 h-1.5" />
                  </div>
                </div>
              </CardContent>
            </Card>
    
            {/* 2. Throughput */}
            <Card className="border-border shadow-xs">
              <CardContent className="p-4">
                <div className="flex items-center justify-between">
                  <span className="text-muted-foreground text-xs font-medium">Throughput</span>
                  <div className="border-info/20 bg-info/10 text-info flex size-8 items-center justify-center rounded-md border">
                    <Activity className="size-4" aria-hidden="true" />
                  </div>
                </div>
                <div className="mt-3 space-y-1.5">
                  <div className="flex items-baseline gap-1.5">
                    <span className="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">1,420</span>
                    <span className="text-muted-foreground text-xs">events/sec</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <Badge variant="info" className="font-mono text-xs">
                      380 KB/s bandwidth
                    </Badge>
                  </div>
                  <div className="text-muted-foreground flex items-center justify-between pt-1 text-xs">
                    <span>Hourly Pace</span>
                    <span className="text-foreground font-mono font-medium">5.11M evts/hr</span>
                  </div>
                </div>
              </CardContent>
            </Card>
    
            {/* 3. Total Synced Today */}
            <Card className="border-border shadow-xs">
              <CardContent className="p-4">
                <div className="flex items-center justify-between">
                  <span className="text-muted-foreground text-xs font-medium">Total Synced Today</span>
                  <div className="border-success/20 bg-success/10 text-success flex size-8 items-center justify-center rounded-md border">
                    <Database className="size-4" aria-hidden="true" />
                  </div>
                </div>
                <div className="mt-3 space-y-1.5">
                  <div className="flex items-baseline gap-1.5">
                    <span className="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">4.82M</span>
                    <span className="text-muted-foreground text-xs">Row Changes</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <Badge variant="outline" className="border-success/30 text-success font-mono text-xs">
                      +14.2% vs yesterday
                    </Badge>
                  </div>
                  <div className="text-muted-foreground flex items-center justify-between pt-1 text-xs">
                    <span>WAL Integrity</span>
                    <span className="text-success font-mono font-medium">100% Consistent</span>
                  </div>
                </div>
              </CardContent>
            </Card>
    
            {/* 4. Error / Dead Letter Queue */}
            <Card className="border-border shadow-xs">
              <CardContent className="p-4">
                <div className="flex items-center justify-between">
                  <span className="text-muted-foreground text-xs font-medium">Error / DLQ</span>
                  <div className="border-success/20 bg-success/10 text-success flex size-8 items-center justify-center rounded-md border">
                    <ShieldCheck className="size-4" aria-hidden="true" />
                  </div>
                </div>
                <div className="mt-3 space-y-1.5">
                  <div className="flex items-baseline gap-1.5">
                    <span className="text-foreground font-mono text-2xl font-bold tracking-tight tabular-nums">0</span>
                    <span className="text-muted-foreground text-xs">Failed Events</span>
                  </div>
                  <div className="flex items-center gap-2">
                    <Badge variant="success" className="font-mono text-xs">
                      DLQ Empty · Healthy
                    </Badge>
                  </div>
                  <div className="text-muted-foreground flex items-center justify-between pt-1 text-xs">
                    <span>Schema Drift</span>
                    <span className="text-foreground font-mono font-medium">0 Violations</span>
                  </div>
                </div>
              </CardContent>
            </Card>
          </div>
    
          {/* Active Synced Tables Table */}
          <Card className="border-border shadow-xs">
            <CardHeader className="pb-3">
              <div className="flex flex-col gap-2 sm:flex-row sm:items-center sm:justify-between">
                <div>
                  <CardTitle className="text-base font-semibold">Active Synced Tables ({tables.length})</CardTitle>
                  <CardDescription className="text-xs">
                    Per-table WAL change capture distribution, row synchronization counts, and per-table replication latency
                  </CardDescription>
                </div>
                <div className="text-muted-foreground flex items-center gap-2 text-xs">
                  <span className="flex items-center gap-1">
                    <span className="bg-success size-2 rounded-full" />
                    INSERT
                  </span>
                  <span className="flex items-center gap-1">
                    <span className="bg-info size-2 rounded-full" />
                    UPDATE
                  </span>
                  <span className="flex items-center gap-1">
                    <span className="bg-destructive size-2 rounded-full" />
                    DELETE
                  </span>
                </div>
              </div>
            </CardHeader>
            <CardContent className="p-0">
              <div className="overflow-x-auto">
                <Table density="cozy">
                  <TableHeader>
                    <TableRow>
                      <TableHead className="text-xs font-semibold">Table Name & Schema</TableHead>
                      <TableHead className="text-xs font-semibold">Change Operations Breakdown</TableHead>
                      <TableHead className="text-right text-xs font-semibold">Synced Rows Count</TableHead>
                      <TableHead className="text-right text-xs font-semibold">Replication Delay</TableHead>
                      <TableHead className="text-center text-xs font-semibold">Status</TableHead>
                    </TableRow>
                  </TableHeader>
                  <TableBody>
                    {tables.map((table) => (
                      <TableRow key={table.name} className="group">
                        {/* Table Name & Schema */}
                        <TableCell className="py-3">
                          <div className="space-y-0.5">
                            <div className="flex items-center gap-2">
                              <span className="text-foreground font-mono text-xs font-semibold">
                                {table.schema}.{table.name}
                              </span>
                              <Badge variant="outline" className="font-mono text-xs">
                                {table.primaryKey}
                              </Badge>
                            </div>
                            <p className="text-muted-foreground text-xs font-normal">Mode: {table.mode}</p>
                          </div>
                        </TableCell>
    
                        {/* Operations Multi-Segment Stacked Progress Bar & Percentages */}
                        <TableCell className="py-3">
                          <div className="w-full max-w-xs space-y-1.5">
                            {/* Stacked Progress Bar */}
                            <div className="bg-muted flex h-2 w-full overflow-hidden rounded-full border">
                              <div
                                className="bg-success transition-colors duration-300"
                                style={{ width: `${table.operations.insertPercent}%` }}
                                title={`INSERT: ${table.operations.insertPercent}%`}
                              />
                              <div
                                className="bg-info transition-colors duration-300"
                                style={{ width: `${table.operations.updatePercent}%` }}
                                title={`UPDATE: ${table.operations.updatePercent}%`}
                              />
                              <div
                                className="bg-destructive transition-colors duration-300"
                                style={{ width: `${table.operations.deletePercent}%` }}
                                title={`DELETE: ${table.operations.deletePercent}%`}
                              />
                            </div>
    
                            {/* Breakdown Text */}
                            <div className="flex items-center gap-2 font-mono text-xs">
                              <span className="text-success font-medium">INS {table.operations.insertPercent}%</span>
                              <span className="text-info font-medium">UPD {table.operations.updatePercent}%</span>
                              <span className="text-destructive font-medium">DEL {table.operations.deletePercent}%</span>
                            </div>
                          </div>
                        </TableCell>
    
                        {/* Synced Rows Count */}
                        <TableCell className="py-3 text-right">
                          <span className="text-foreground font-mono text-xs font-semibold tabular-nums">
                            {formatNumber(table.syncedRows)}
                          </span>
                          <p className="text-muted-foreground text-xs">rows committed</p>
                        </TableCell>
    
                        {/* Replication Delay */}
                        <TableCell className="py-3 text-right">
                          <span className="text-success text-success font-mono text-xs font-semibold tabular-nums">
                            {table.replicationDelayMs}ms
                          </span>
                          <p className="text-muted-foreground text-xs">sub-second</p>
                        </TableCell>
    
                        {/* Status Badge */}
                        <TableCell className="py-3 text-center">
                          <Badge variant="success" className="gap-1 font-mono text-xs">
                            <span className="bg-success size-1.5 animate-pulse rounded-full" />
                            Synchronized
                          </Badge>
                        </TableCell>
                      </TableRow>
                    ))}
                  </TableBody>
                </Table>
              </div>
            </CardContent>
          </Card>
    
          {/* Live CDC Event Stream Ticker Card */}
          <Card className="border-border shadow-xs">
            {/* Terminal Header Bar */}
            <div className="bg-muted/40 flex flex-col gap-3 border-b p-3 sm:flex-row sm:items-center sm:justify-between">
              <div className="flex items-center gap-2">
                <div className="flex items-center gap-1.5">
                  <span className="bg-destructive/80 size-2.5 rounded-full" />
                  <span className="bg-warning/80 size-2.5 rounded-full" />
                  <span className="bg-success/80 size-2.5 rounded-full" />
                </div>
                <div>
                  <span className="text-foreground text-xs font-semibold">Live CDC Event Stream Ticker</span>
                  <span className="text-muted-foreground hidden font-mono text-xs sm:inline">
                    {' '}
                    · wal_level=logical · slot: debezium_cdc_01
                  </span>
                </div>
              </div>
    
              <div className="flex items-center gap-2">
                <span className="text-muted-foreground hidden font-mono text-xs sm:inline">
                  Matches: {filteredEvents.length} / {events.length}
                </span>
                <Button
                  variant="ghost"
                  size="xs"
                  className="h-7 gap-1 px-2 text-xs"
                  disabled={filteredEvents.length === 0}
                  onClick={toggleAllExpand}
                >
                  {allExpanded ? (
                    <ChevronDown className="size-3.5" aria-hidden="true" />
                  ) : (
                    <ChevronRight className="size-3.5" aria-hidden="true" />
                  )}
                  <span>{allExpanded ? 'Collapse All' : 'Expand All'}</span>
                </Button>
              </div>
            </div>
    
            {/* Stream Filter Toolbar */}
            <div className="border-b p-3">
              <div className="flex flex-col gap-3 lg:flex-row lg:items-center lg:justify-between">
                {/* Search Input */}
                <div className="relative flex-1">
                  <Search
                    className="text-muted-foreground pointer-events-none absolute top-1/2 left-3 size-4 -translate-y-1/2"
                    aria-hidden="true"
                  />
                  <Input
                    value={searchQuery}
                    onChange={(e) => setSearchQuery(e.target.value)}
                    placeholder="Search table, operation, primary key, column, or /regex/..."
                    className="pl-9 text-xs"
                  />
                </div>
    
                {/* Operation Filter Buttons */}
                <div className="flex flex-wrap items-center gap-1.5">
                  <span className="text-muted-foreground mr-1 flex items-center gap-1 text-xs font-medium">
                    <Filter className="size-3" aria-hidden="true" />
                    Op:
                  </span>
    
                  <button
                    type="button"
                    className={cn(
                      'focus-visible:ring-ring inline-flex items-center gap-1.5 rounded-full border px-2.5 py-1 text-xs font-medium transition-colors focus-visible:ring-2 focus-visible:outline-none',
                      selectedOperation === 'all'
                        ? 'border-primary bg-primary text-primary-foreground shadow-xs'
                        : 'border-border bg-card text-muted-foreground hover:bg-accent hover:text-foreground',
                    )}
                    onClick={() => setSelectedOperation('all')}
                  >
                    All
                    <span
                      className={cn(
                        'py-0.2 rounded-full px-1.5 text-xs',
                        selectedOperation === 'all'
                          ? 'bg-primary-foreground/20 text-primary-foreground'
                          : 'bg-muted text-muted-foreground',
                      )}
                    >
                      {operationCounts.all}
                    </span>
                  </button>
    
                  <button
                    type="button"
                    className={cn(
                      'focus-visible:ring-ring inline-flex items-center gap-1.5 rounded-full border px-2.5 py-1 text-xs font-medium transition-colors focus-visible:ring-2 focus-visible:outline-none',
                      selectedOperation === 'INSERT'
                        ? 'border-success bg-success text-white shadow-xs'
                        : 'border-border bg-card text-muted-foreground hover:border-success/40 hover:text-success dark:hover:text-success',
                    )}
                    onClick={() => setSelectedOperation('INSERT')}
                  >
                    <span className="bg-success size-1.5 rounded-full" />
                    INSERT
                    <span
                      className={cn(
                        'py-0.2 rounded-full px-1.5 text-xs',
                        selectedOperation === 'INSERT' ? 'bg-white/20 text-white' : 'bg-success/10 text-success',
                      )}
                    >
                      {operationCounts.INSERT}
                    </span>
                  </button>
    
                  <button
                    type="button"
                    className={cn(
                      'focus-visible:ring-ring inline-flex items-center gap-1.5 rounded-full border px-2.5 py-1 text-xs font-medium transition-colors focus-visible:ring-2 focus-visible:outline-none',
                      selectedOperation === 'UPDATE'
                        ? 'border-info bg-info text-white shadow-xs'
                        : 'border-border bg-card text-muted-foreground hover:border-info/40 hover:text-info dark:hover:text-info',
                    )}
                    onClick={() => setSelectedOperation('UPDATE')}
                  >
                    <span className="bg-info size-1.5 rounded-full" />
                    UPDATE
                    <span
                      className={cn(
                        'py-0.2 rounded-full px-1.5 text-xs',
                        selectedOperation === 'UPDATE' ? 'bg-white/20 text-white' : 'bg-info/10 text-info',
                      )}
                    >
                      {operationCounts.UPDATE}
                    </span>
                  </button>
    
                  <button
                    type="button"
                    className={cn(
                      'focus-visible:ring-ring inline-flex items-center gap-1.5 rounded-full border px-2.5 py-1 text-xs font-medium transition-colors focus-visible:ring-2 focus-visible:outline-none',
                      selectedOperation === 'DELETE'
                        ? 'border-destructive bg-destructive text-white shadow-xs'
                        : 'border-border bg-card text-muted-foreground hover:border-destructive/40 hover:text-destructive dark:hover:text-destructive',
                    )}
                    onClick={() => setSelectedOperation('DELETE')}
                  >
                    <span className="bg-destructive size-1.5 rounded-full" />
                    DELETE
                    <span
                      className={cn(
                        'py-0.2 rounded-full px-1.5 text-xs',
                        selectedOperation === 'DELETE' ? 'bg-white/20 text-white' : 'bg-destructive/10 text-destructive',
                      )}
                    >
                      {operationCounts.DELETE}
                    </span>
                  </button>
                </div>
              </div>
            </div>
    
            {/* Event Rows Feed */}
            <CardContent className="p-0">
              {/* Empty State */}
              {filteredEvents.length === 0 ? (
                <div className="flex flex-col items-center justify-center gap-3 px-4 py-16 text-center">
                  <div className="bg-muted flex size-12 items-center justify-center rounded-full">
                    <Database className="text-muted-foreground size-6 opacity-60" aria-hidden="true" />
                  </div>
                  <div className="space-y-1">
                    <p className="text-foreground text-sm font-semibold">No CDC events match current criteria</p>
                    <p className="text-muted-foreground text-xs">
                      {events.length === 0
                        ? 'The replication event stream buffer was cleared.'
                        : 'Try adjusting your operation filter or search query.'}
                    </p>
                  </div>
                  <Button variant="outline" size="sm" className="mt-2 text-xs" onClick={resetStream}>
                    <RefreshCw className="size-3.5" aria-hidden="true" />
                    Restore CDC stream data
                  </Button>
                </div>
              ) : (
                <ul className="divide-border/60 divide-y">
                  {filteredEvents.map((event) => {
                    const isExpanded = !!expandedIds[event.id]
                    return (
                      <li
                        key={event.id}
                        className={cn('group transition-colors', isExpanded ? 'bg-muted/30' : 'hover:bg-muted/20')}
                      >
                        {/* Primary Row Trigger */}
                        <div
                          role="button"
                          tabIndex={0}
                          aria-expanded={isExpanded}
                          className="focus-visible:ring-ring flex cursor-pointer flex-col gap-3 p-3.5 focus-visible:ring-2 focus-visible:outline-none focus-visible:ring-inset sm:flex-row sm:items-center sm:justify-between"
                          onClick={() => toggleExpand(event.id)}
                          onKeyDown={(e) => {
                            if (e.key === 'Enter' || e.key === ' ') {
                              e.preventDefault()
                              toggleExpand(event.id)
                            }
                          }}
                        >
                          {/* Left Rail: Chevron + Timestamp + Operation Badge + Table + Summary */}
                          <div className="flex min-w-0 items-start gap-3 sm:items-center">
                            <button
                              type="button"
                              aria-label="Toggle before and after payload diff"
                              className={cn(
                                'text-muted-foreground group-hover:text-foreground mt-0.5 shrink-0 transition-transform sm:mt-0',
                                isExpanded && 'text-foreground rotate-90',
                              )}
                            >
                              <ChevronRight className="size-4" aria-hidden="true" />
                            </button>
    
                            <div className="space-y-1 sm:space-y-0.5">
                              <div className="flex flex-wrap items-center gap-2">
                                <span className="text-muted-foreground font-mono text-xs whitespace-nowrap">
                                  {formatTimestamp(event.timestamp)}
                                </span>
    
                                {event.operation === 'INSERT' && (
                                  <Badge className="bg-success/10 text-success border-transparent font-mono text-xs">
                                    INSERT
                                  </Badge>
                                )}
                                {event.operation === 'UPDATE' && (
                                  <Badge className="bg-info/10 text-info border-transparent font-mono text-xs">
                                    UPDATE
                                  </Badge>
                                )}
                                {event.operation === 'DELETE' && (
                                  <Badge className="bg-destructive/10 text-destructive border-transparent font-mono text-xs">
                                    DELETE
                                  </Badge>
                                )}
    
                                <span className="text-foreground font-mono text-xs font-semibold">{event.table}</span>
    
                                <span className="bg-muted text-muted-foreground rounded px-1.5 py-0.5 font-mono text-xs">
                                  {event.primaryKey}
                                </span>
                              </div>
    
                              <p className="text-muted-foreground text-xs font-normal">{event.summary}</p>
                            </div>
                          </div>
    
                          {/* Right Rail: Binlog Offset & Tx ID */}
                          <div className="flex shrink-0 flex-wrap items-center gap-3 sm:justify-end">
                            <div className="bg-muted/60 flex items-center gap-1.5 rounded-md border px-2 py-1 font-mono text-xs">
                              <span className="text-muted-foreground">Tx:</span>
                              <span className="text-foreground font-medium">{event.txId}</span>
                            </div>
    
                            <div className="text-muted-foreground flex items-center gap-1.5 font-mono text-xs">
                              <span>{event.binlogPosition}</span>
                              <span className="opacity-50">·</span>
                              <span className="text-foreground/80 font-medium">{event.lsn}</span>
                            </div>
                          </div>
                        </div>
    
                        {/* Expanded Payload Diff View */}
                        {isExpanded && (
                          <div className="bg-muted/15 border-t px-4 py-3.5">
                            <div className="space-y-3">
                              {/* Modified Fields Tag Bar */}
                              {event.modifiedFields && event.modifiedFields.length > 0 && (
                                <div className="bg-card flex flex-wrap items-center gap-1.5 rounded-md border p-2.5 text-xs">
                                  <span className="text-muted-foreground font-medium">Modified Columns:</span>
                                  {event.modifiedFields.map((field) => (
                                    <Badge key={field} variant="outline" className="text-info font-mono text-xs">
                                      {field}
                                    </Badge>
                                  ))}
                                </div>
                              )}
    
                              {/* Side-by-Side or Stacked JSON Diff */}
                              <div className="grid grid-cols-1 gap-3 lg:grid-cols-2">
                                {/* Before Payload (For UPDATE and DELETE) */}
                                {event.before && (
                                  <div className="overflow-hidden rounded-md border border-zinc-800 bg-zinc-950 font-mono text-xs text-zinc-100 shadow-inner">
                                    <div className="flex items-center justify-between border-b border-zinc-800 bg-zinc-900/90 px-3 py-1.5">
                                      <div className="flex items-center gap-2">
                                        <span className="bg-destructive size-2 rounded-full" />
                                        <span className="text-destructive text-xs font-semibold">before_image.json</span>
                                        <span className="text-muted-foreground text-xs font-normal">(Previous State)</span>
                                      </div>
                                      <Button
                                        variant="ghost"
                                        size="xs"
                                        className="h-6 gap-1 px-2 text-xs text-zinc-300 hover:bg-zinc-800 hover:text-zinc-100"
                                        onClick={() => copyPayload(`${event.id}-before`, event.before!)}
                                      >
                                        {copiedEventId === `${event.id}-before` ? (
                                          <Check className="text-success size-3" aria-hidden="true" />
                                        ) : (
                                          <Copy className="size-3" aria-hidden="true" />
                                        )}
                                        <span>{copiedEventId === `${event.id}-before` ? 'Copied' : 'Copy'}</span>
                                      </Button>
                                    </div>
    
                                    <pre className="max-h-60 overflow-x-auto overflow-y-auto p-3 text-xs leading-relaxed select-text">
                                      <code className="text-destructive/90">{JSON.stringify(event.before, null, 2)}</code>
                                    </pre>
                                  </div>
                                )}
    
                                {/* After Payload (For INSERT and UPDATE) */}
                                {event.after && (
                                  <div
                                    className={cn(
                                      'overflow-hidden rounded-md border border-zinc-800 bg-zinc-950 font-mono text-xs text-zinc-100 shadow-inner',
                                      !event.before && 'lg:col-span-2',
                                    )}
                                  >
                                    <div className="flex items-center justify-between border-b border-zinc-800 bg-zinc-900/90 px-3 py-1.5">
                                      <div className="flex items-center gap-2">
                                        <span className="bg-success size-2 rounded-full" />
                                        <span className="text-success text-xs font-semibold">after_image.json</span>
                                        <span className="text-muted-foreground text-xs font-normal">
                                          (Replicated Target State)
                                        </span>
                                      </div>
                                      <Button
                                        variant="ghost"
                                        size="xs"
                                        className="h-6 gap-1 px-2 text-xs text-zinc-300 hover:bg-zinc-800 hover:text-zinc-100"
                                        onClick={() => copyPayload(`${event.id}-after`, event.after!)}
                                      >
                                        {copiedEventId === `${event.id}-after` ? (
                                          <Check className="text-success size-3" aria-hidden="true" />
                                        ) : (
                                          <Copy className="size-3" aria-hidden="true" />
                                        )}
                                        <span>{copiedEventId === `${event.id}-after` ? 'Copied' : 'Copy'}</span>
                                      </Button>
                                    </div>
    
                                    <pre className="max-h-60 overflow-x-auto overflow-y-auto p-3 text-xs leading-relaxed select-text">
                                      <code className="text-success">{JSON.stringify(event.after, null, 2)}</code>
                                    </pre>
                                  </div>
                                )}
                              </div>
                            </div>
                          </div>
                        )}
                      </li>
                    )
                  })}
                </ul>
              )}
            </CardContent>
    
            {/* Bottom Engine & Ingest Protocol Telemetry Bar */}
            <div className="bg-muted/40 flex flex-col gap-2.5 border-t px-4 py-3 text-xs sm:flex-row sm:items-center sm:justify-between">
              <div className="text-muted-foreground flex flex-wrap items-center gap-4">
                <div className="text-foreground flex items-center gap-1.5 font-medium">
                  <Activity className="text-success size-3.5" aria-hidden="true" />
                  <span>CDC Pipeline:</span>
                  <span className="font-mono">{isPaused ? '0 evt/s (Paused)' : '1,420 events/sec'}</span>
                </div>
    
                <Separator orientation="vertical" className="hidden h-3.5 sm:block" />
    
                <div className="flex items-center gap-1.5">
                  <Layers className="size-3.5" aria-hidden="true" />
                  <span>Sink Topic:</span>
                  <span className="text-foreground font-mono">snowflake.cdc.raw_events</span>
                </div>
    
                <Separator orientation="vertical" className="hidden h-3.5 sm:block" />
    
                <div className="flex items-center gap-1.5">
                  <Server className="text-info size-3.5" aria-hidden="true" />
                  <span>Format:</span>
                  <span className="text-foreground font-mono">JSON + Schema Registry (v2)</span>
                </div>
              </div>
    
              <div className="text-muted-foreground flex items-center gap-2 font-mono">
                <span className="bg-success size-1.5 rounded-full" />
                <span>Postgres WAL2JSON · TLS 1.3 · Heartbeat: 1,000ms OK</span>
              </div>
            </div>
          </Card>
        </div>
      )
    }
    

Raw manifest:https://uipkge.dev/r/react/cdc-replication-stream.json