Bisher zeigte KioskStampPage nur einen Status ("Kiosk-Modus aktiv"), es gab
keine Möglichkeit sich einzuloggen oder tatsächlich zu stempeln. Jetzt:
- NFC-Erfassung ohne Fokus-Anforderung: globaler keydown-Listener erkennt den
Tastatur-Emulations-Output günstiger USB-HID-RFID-Reader (Zeichen-Burst
<300ms + Enter) und unterscheidet ihn von echter Tastatureingabe
- PIN-Pad nach Kartenerkennung (Pflicht-Zweitfaktor, siehe 3650da8/K-3-Fix)
- Nach Login: Stempel-Aktionen je nach aktuellem Status (Ein/Aus/Pause
starten/beenden) über die neuen /kiosk/stamp/*-Endpunkte (2ce363c)
- Automatischer Reset zur Kartenauflege-Ansicht nach jeder Aktion
Alle Requests laufen weiter transparent durch den bestehenden Ed25519-
signierenden ServiceWorker (kiosk-sw.js, kein Adapter nötig).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Gis16MnuwkYcivLrSxK1pD
594 lines
21 KiB
TypeScript
594 lines
21 KiB
TypeScript
import { useCallback, useEffect, useRef, useState } from 'react'
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import { Link } from 'react-router-dom'
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interface HeartbeatResponse {
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server_time?: string
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server_timestamp?: number
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status?: string
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}
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// BroadcastChannel name – only one tab sends heartbeats
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const HEARTBEAT_CHANNEL = 'kiosk-heartbeat'
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const HEARTBEAT_INTERVAL_MS = 30_000
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const CLIENT_VERSION = '1.0.0'
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// NFC keyboard-wedge readers "type" the card UID very fast, ending with Enter.
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// A human never types 10 digits in under this window, so a burst of digit
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// keys arriving within NFC_BURST_MS is treated as a card tap, not typing.
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const NFC_BURST_MS = 300
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const NFC_MIN_LENGTH = 4
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type Step = 'idle' | 'pin' | 'action' | 'done'
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interface StampStatus {
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stamped_in: boolean
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on_break: boolean
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}
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function formatTime(date: Date): string {
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return date.toLocaleTimeString('de-DE', { hour: '2-digit', minute: '2-digit', second: '2-digit' })
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}
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function formatDate(date: Date): string {
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return date.toLocaleDateString('de-DE', {
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weekday: 'long',
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year: 'numeric',
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month: 'long',
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day: 'numeric',
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})
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}
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async function sendMessageToSW(
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reg: ServiceWorkerRegistration,
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message: object
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): Promise<Record<string, unknown>> {
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return new Promise((resolve, reject) => {
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const channel = new MessageChannel()
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channel.port1.onmessage = (e) => resolve(e.data as Record<string, unknown>)
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channel.port1.onmessageerror = () => reject(new Error('MessageChannel-Fehler'))
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const sw = reg.active
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if (!sw) { reject(new Error('ServiceWorker nicht aktiv')); return }
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sw.postMessage({ ...message, port: channel.port2 }, [channel.port2])
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})
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}
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async function kioskFetch<T>(path: string, body: object): Promise<T> {
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const res = await fetch(path, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(body),
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})
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const data = await res.json().catch(() => ({}))
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if (!res.ok) {
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throw new Error(typeof data.detail === 'string' ? data.detail : `Fehler ${res.status}`)
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}
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return data as T
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}
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export function KioskStampPage() {
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const [displayTime, setDisplayTime] = useState(new Date())
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const [serverTimeOffset, setServerTimeOffset] = useState(0) // ms offset from server
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const [isOnline, setIsOnline] = useState(navigator.onLine)
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const [heartbeatStatus, setHeartbeatStatus] = useState<'connected' | 'error' | 'pending'>('pending')
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const [heartbeatError, setHeartbeatError] = useState<string | null>(null)
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const [hasCredentials, setHasCredentials] = useState<boolean | null>(null)
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const [deviceId, setDeviceId] = useState<string | null>(null)
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const [isLeaderTab, setIsLeaderTab] = useState(false)
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// ── Login/Stamp-Flow ────────────────────────────────────────────────────
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const [step, setStep] = useState<Step>('idle')
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const [nfcUid, setNfcUid] = useState<string | null>(null)
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const [pin, setPin] = useState('')
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const [sessionToken, setSessionToken] = useState<string | null>(null)
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const [userName, setUserName] = useState<string | null>(null)
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const [stampStatus, setStampStatus] = useState<StampStatus | null>(null)
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const [flowError, setFlowError] = useState<string | null>(null)
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const [busy, setBusy] = useState(false)
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const [doneMessage, setDoneMessage] = useState<string | null>(null)
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const heartbeatIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null)
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const clockIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null)
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const broadcastRef = useRef<BroadcastChannel | null>(null)
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const swRegRef = useRef<ServiceWorkerRegistration | null>(null)
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const startTimeRef = useRef<number>(Date.now())
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const resetTimeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null)
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// NFC keyboard-wedge capture buffer
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const nfcBufferRef = useRef('')
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const nfcLastKeyAtRef = useRef(0)
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const resetFlow = useCallback(() => {
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setStep('idle')
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setNfcUid(null)
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setPin('')
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setSessionToken(null)
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setUserName(null)
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setStampStatus(null)
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setFlowError(null)
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setDoneMessage(null)
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nfcBufferRef.current = ''
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}, [])
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function scheduleAutoReset(ms = 4000) {
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if (resetTimeoutRef.current) clearTimeout(resetTimeoutRef.current)
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resetTimeoutRef.current = setTimeout(resetFlow, ms)
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}
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// Live clock – uses server time offset
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useEffect(() => {
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clockIntervalRef.current = setInterval(() => {
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const localNow = Date.now()
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setDisplayTime(new Date(localNow + serverTimeOffset))
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}, 1000)
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return () => {
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if (clockIntervalRef.current) clearInterval(clockIntervalRef.current)
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}
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}, [serverTimeOffset])
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// Online/Offline events
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useEffect(() => {
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const onOnline = () => setIsOnline(true)
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const onOffline = () => setIsOnline(false)
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window.addEventListener('online', onOnline)
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window.addEventListener('offline', onOffline)
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return () => {
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window.removeEventListener('online', onOnline)
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window.removeEventListener('offline', onOffline)
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}
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}, [])
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// ServiceWorker + BroadcastChannel setup
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useEffect(() => {
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let cancelled = false
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async function init() {
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// Register / retrieve SW
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if ('serviceWorker' in navigator) {
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try {
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await navigator.serviceWorker.register('/kiosk-sw.js', { scope: '/' })
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const ready = await navigator.serviceWorker.ready
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swRegRef.current = ready
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if (!cancelled) {
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const result = await sendMessageToSW(ready, { type: 'CHECK_CREDENTIALS' })
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setHasCredentials(!!result.hasCredentials)
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setDeviceId(result.deviceId as string | null)
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}
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} catch {
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if (!cancelled) {
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setHasCredentials(false)
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}
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}
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} else {
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setHasCredentials(false)
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}
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if (cancelled) return
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// Leader-election via BroadcastChannel:
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// We announce ourselves; if we receive an announcement from another tab
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// we yield. Simple "last writer wins for 1s window" approach.
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const channel = new BroadcastChannel(HEARTBEAT_CHANNEL)
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broadcastRef.current = channel
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let isLeader = true
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channel.onmessage = (e) => {
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if (e.data?.type === 'HEARTBEAT_LEADER_ANNOUNCE') {
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// Another tab claims leadership – we yield
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isLeader = false
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setIsLeaderTab(false)
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if (heartbeatIntervalRef.current) {
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clearInterval(heartbeatIntervalRef.current)
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heartbeatIntervalRef.current = null
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}
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}
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if (e.data?.type === 'HEARTBEAT_LEADER_YIELD' && !isLeader) {
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// Previous leader stepped down – we take over
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isLeader = true
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setIsLeaderTab(true)
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startHeartbeatLoop()
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}
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}
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// Announce ourselves as leader after a short random delay
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// to avoid simultaneous announcements on page reload
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const delay = Math.random() * 500
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await new Promise(r => setTimeout(r, delay))
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if (!cancelled) {
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channel.postMessage({ type: 'HEARTBEAT_LEADER_ANNOUNCE' })
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setIsLeaderTab(isLeader)
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if (isLeader) startHeartbeatLoop()
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}
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}
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init()
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return () => {
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cancelled = true
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if (heartbeatIntervalRef.current) clearInterval(heartbeatIntervalRef.current)
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if (broadcastRef.current) {
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broadcastRef.current.postMessage({ type: 'HEARTBEAT_LEADER_YIELD' })
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broadcastRef.current.close()
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}
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}
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, [])
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// NFC keyboard-wedge listener: only active on the idle screen. Cheap USB-HID
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// RFID readers "type" the UID as fast keystrokes ending with Enter - a human
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// typing on a real keyboard can't hit 4+ digits within NFC_BURST_MS.
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useEffect(() => {
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if (step !== 'idle' || hasCredentials !== true) return
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function onKeyDown(e: KeyboardEvent) {
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const now = Date.now()
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if (now - nfcLastKeyAtRef.current > NFC_BURST_MS) {
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nfcBufferRef.current = ''
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}
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nfcLastKeyAtRef.current = now
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if (e.key === 'Enter') {
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const uid = nfcBufferRef.current
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nfcBufferRef.current = ''
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if (uid.length >= NFC_MIN_LENGTH) {
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setNfcUid(uid)
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setStep('pin')
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setPin('')
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setFlowError(null)
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}
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return
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}
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if (/^[0-9A-Za-z]$/.test(e.key)) {
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nfcBufferRef.current += e.key
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}
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}
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window.addEventListener('keydown', onKeyDown)
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return () => window.removeEventListener('keydown', onKeyDown)
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}, [step, hasCredentials])
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function startHeartbeatLoop() {
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// Send immediately, then on interval
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sendHeartbeat()
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if (heartbeatIntervalRef.current) clearInterval(heartbeatIntervalRef.current)
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heartbeatIntervalRef.current = setInterval(sendHeartbeat, HEARTBEAT_INTERVAL_MS)
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}
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async function sendHeartbeat() {
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if (!navigator.onLine) {
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setHeartbeatStatus('error')
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setHeartbeatError('Kein Netzwerk')
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return
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}
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const uptimeSeconds = Math.floor((Date.now() - startTimeRef.current) / 1000)
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const body = JSON.stringify({
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uptime_seconds: uptimeSeconds,
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client_version: CLIENT_VERSION,
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queued_offline_entries: 0,
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current_user_id: null,
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})
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try {
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const res = await fetch('/api/v1/kiosk/heartbeat', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body,
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})
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if (!res.ok) {
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const errData = await res.json().catch(() => ({ detail: res.statusText }))
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throw new Error(
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typeof errData.detail === 'string' ? errData.detail : res.statusText
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)
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}
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const data: HeartbeatResponse = await res.json().catch(() => ({}))
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// Sync server time if provided
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if (data.server_timestamp) {
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const localNow = Date.now()
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const serverMs = data.server_timestamp * 1000
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setServerTimeOffset(serverMs - localNow)
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} else if (data.server_time) {
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const localNow = Date.now()
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const serverMs = new Date(data.server_time).getTime()
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if (!isNaN(serverMs)) {
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setServerTimeOffset(serverMs - localNow)
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}
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}
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setHeartbeatStatus('connected')
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setHeartbeatError(null)
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} catch (e: unknown) {
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setHeartbeatStatus('error')
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setHeartbeatError(e instanceof Error ? e.message : 'Verbindungsfehler')
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}
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}
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async function submitPin() {
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if (!nfcUid || pin.length < 4) return
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setBusy(true)
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setFlowError(null)
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try {
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const login = await kioskFetch<{ session_token: string; user_name: string }>(
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'/api/v1/kiosk/auth/nfc', { nfc_uid: nfcUid, pin }
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)
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setSessionToken(login.session_token)
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setUserName(login.user_name)
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const status = await kioskFetch<StampStatus>(
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'/api/v1/kiosk/stamp/status', { session_token: login.session_token }
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)
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setStampStatus(status)
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setStep('action')
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} catch (e: unknown) {
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setFlowError(e instanceof Error ? e.message : 'Anmeldung fehlgeschlagen')
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setPin('')
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} finally {
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setBusy(false)
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}
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}
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async function performAction(action: 'in' | 'out' | 'break-start' | 'break-end') {
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if (!sessionToken) return
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setBusy(true)
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setFlowError(null)
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try {
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const result = await kioskFetch<{ status: string; warnings?: string[] }>(
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`/api/v1/kiosk/stamp/${action}`, { session_token: sessionToken }
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)
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const labels: Record<string, string> = {
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stamped_in: 'Eingestempelt ✓',
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stamped_out: 'Ausgestempelt ✓',
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break_started: 'Pause gestartet ✓',
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break_ended: 'Pause beendet ✓',
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}
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setDoneMessage(labels[result.status] ?? 'Erledigt ✓')
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if (result.warnings?.length) {
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setFlowError(result.warnings.join(' · '))
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}
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setStep('done')
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scheduleAutoReset()
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} catch (e: unknown) {
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setFlowError(e instanceof Error ? e.message : 'Aktion fehlgeschlagen')
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} finally {
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setBusy(false)
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}
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}
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return (
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<div className='min-h-screen bg-gray-950 text-white flex flex-col'>
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{/* Status bar */}
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<div className='flex items-center justify-between px-6 py-3 bg-gray-900 border-b border-gray-800'>
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<div className='flex items-center gap-3'>
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<span className='text-sm font-semibold text-gray-300'>TimeMaster Kiosk</span>
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{deviceId && (
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<span className='text-xs text-gray-600 font-mono'>
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{deviceId.slice(0, 8)}…
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</span>
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)}
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</div>
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<div className='flex items-center gap-4'>
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{/* Heartbeat / connection status */}
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{isLeaderTab && (
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<div className='flex items-center gap-1.5 text-xs'>
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{heartbeatStatus === 'connected' && (
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<>
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<span className='w-2 h-2 rounded-full bg-green-500 animate-pulse' />
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<span className='text-green-400'>Verbunden</span>
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</>
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)}
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{heartbeatStatus === 'error' && (
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<>
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<span className='w-2 h-2 rounded-full bg-red-500' />
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<span className='text-red-400'>{heartbeatError ?? 'Verbindungsfehler'}</span>
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</>
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)}
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{heartbeatStatus === 'pending' && (
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<>
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<span className='w-2 h-2 rounded-full bg-yellow-500 animate-pulse' />
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<span className='text-yellow-400'>Verbinde…</span>
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</>
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)}
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</div>
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)}
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{!isLeaderTab && (
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<span className='text-xs text-gray-600'>Heartbeat: anderer Tab aktiv</span>
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)}
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{/* Online/Offline indicator */}
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<div className='flex items-center gap-1.5 text-xs'>
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{isOnline
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? <span className='text-gray-500'>Online</span>
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: <span className='text-orange-400 font-semibold'>Offline</span>
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}
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</div>
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</div>
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</div>
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{/* Main content */}
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<div className='flex-1 flex flex-col items-center justify-center gap-8 px-6'>
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{/* Clock */}
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<div className='text-center'>
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<div className='text-8xl font-bold font-mono tracking-tight tabular-nums'>
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{formatTime(displayTime)}
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</div>
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<div className='text-xl text-gray-400 mt-2'>
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{formatDate(displayTime)}
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</div>
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</div>
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{/* Credentials missing warning */}
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{hasCredentials === false && (
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<div className='max-w-md w-full bg-yellow-900/50 border border-yellow-700 rounded-2xl p-5 text-center'>
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<div className='text-3xl mb-2'>⚠️</div>
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<p className='text-yellow-300 font-semibold mb-1'>Kiosk nicht eingerichtet</p>
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<p className='text-yellow-500 text-sm mb-4'>
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Dieses Geraet hat noch kein Ed25519-Schluesselpaar.
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Bitte zuerst den Setup-Assistenten durchlaufen.
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</p>
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<Link
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to='/kiosk/setup'
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className='inline-block px-5 py-2.5 bg-yellow-600 hover:bg-yellow-500 rounded-xl
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font-semibold text-sm transition-colors'
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>
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Kiosk einrichten →
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</Link>
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</div>
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)}
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{/* ── Login/Stempel-Flow ─────────────────────────────────────────── */}
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{hasCredentials === true && step === 'idle' && (
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<div className='max-w-md w-full bg-gray-800 rounded-2xl p-8 text-center space-y-3'>
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<div className='text-5xl'>💳</div>
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<p className='text-gray-200 font-semibold text-lg'>Bitte Karte auflegen</p>
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<p className='text-gray-500 text-sm'>
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Kein Kartenleser-Fokus nötig – Eingabe wird automatisch erkannt.
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</p>
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{heartbeatStatus === 'error' && heartbeatError && (
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<div className='bg-red-900/40 border border-red-700 rounded-lg px-3 py-2 text-sm text-red-300'>
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Verbindungsfehler: {heartbeatError}
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</div>
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)}
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</div>
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)}
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{hasCredentials === true && step === 'pin' && (
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<div className='max-w-xs w-full bg-gray-800 rounded-2xl p-6 text-center space-y-4'>
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<div className='text-4xl'>🔑</div>
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<p className='text-gray-200 font-semibold'>PIN eingeben</p>
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<div className='text-2xl font-mono tracking-[0.5em] h-8'>
|
||
{'•'.repeat(pin.length)}
|
||
</div>
|
||
{flowError && (
|
||
<div className='bg-red-900/40 border border-red-700 rounded-lg px-3 py-2 text-sm text-red-300'>
|
||
{flowError}
|
||
</div>
|
||
)}
|
||
<div className='grid grid-cols-3 gap-2'>
|
||
{['1','2','3','4','5','6','7','8','9','','0','⌫'].map((k, i) => (
|
||
k === '' ? <div key={i} /> : (
|
||
<button
|
||
key={i}
|
||
disabled={busy}
|
||
onClick={() => {
|
||
if (k === '⌫') { setPin(p => p.slice(0, -1)); return }
|
||
setPin(p => (p.length < 6 ? p + k : p))
|
||
}}
|
||
className='py-3 rounded-xl bg-gray-700 hover:bg-gray-600 text-lg font-semibold
|
||
disabled:opacity-50 transition-colors'
|
||
>
|
||
{k}
|
||
</button>
|
||
)
|
||
))}
|
||
</div>
|
||
<div className='flex gap-2 pt-2'>
|
||
<button
|
||
onClick={resetFlow}
|
||
className='flex-1 py-2 rounded-xl bg-gray-700 hover:bg-gray-600 text-sm'
|
||
>
|
||
Abbrechen
|
||
</button>
|
||
<button
|
||
onClick={submitPin}
|
||
disabled={pin.length < 4 || busy}
|
||
className='flex-1 py-2 rounded-xl bg-blue-600 hover:bg-blue-500 text-sm font-semibold
|
||
disabled:opacity-50'
|
||
>
|
||
{busy ? '…' : 'Bestätigen'}
|
||
</button>
|
||
</div>
|
||
</div>
|
||
)}
|
||
|
||
{hasCredentials === true && step === 'action' && stampStatus && (
|
||
<div className='max-w-sm w-full bg-gray-800 rounded-2xl p-6 text-center space-y-4'>
|
||
<p className='text-gray-400 text-sm'>Angemeldet als</p>
|
||
<p className='text-gray-100 font-semibold text-xl'>{userName}</p>
|
||
{flowError && (
|
||
<div className='bg-red-900/40 border border-red-700 rounded-lg px-3 py-2 text-sm text-red-300'>
|
||
{flowError}
|
||
</div>
|
||
)}
|
||
<div className='space-y-2 pt-2'>
|
||
{!stampStatus.stamped_in && (
|
||
<button
|
||
onClick={() => performAction('in')}
|
||
disabled={busy}
|
||
className='w-full py-4 rounded-xl bg-green-600 hover:bg-green-500 font-semibold text-lg disabled:opacity-50'
|
||
>
|
||
Einstempeln
|
||
</button>
|
||
)}
|
||
{stampStatus.stamped_in && !stampStatus.on_break && (
|
||
<>
|
||
<button
|
||
onClick={() => performAction('out')}
|
||
disabled={busy}
|
||
className='w-full py-4 rounded-xl bg-red-600 hover:bg-red-500 font-semibold text-lg disabled:opacity-50'
|
||
>
|
||
Ausstempeln
|
||
</button>
|
||
<button
|
||
onClick={() => performAction('break-start')}
|
||
disabled={busy}
|
||
className='w-full py-3 rounded-xl bg-gray-700 hover:bg-gray-600 font-medium disabled:opacity-50'
|
||
>
|
||
Pause starten
|
||
</button>
|
||
</>
|
||
)}
|
||
{stampStatus.stamped_in && stampStatus.on_break && (
|
||
<button
|
||
onClick={() => performAction('break-end')}
|
||
disabled={busy}
|
||
className='w-full py-4 rounded-xl bg-blue-600 hover:bg-blue-500 font-semibold text-lg disabled:opacity-50'
|
||
>
|
||
Pause beenden
|
||
</button>
|
||
)}
|
||
</div>
|
||
<button
|
||
onClick={resetFlow}
|
||
className='text-xs text-gray-500 hover:text-gray-300 underline pt-2'
|
||
>
|
||
Abbrechen
|
||
</button>
|
||
</div>
|
||
)}
|
||
|
||
{hasCredentials === true && step === 'done' && (
|
||
<div className='max-w-sm w-full bg-gray-800 rounded-2xl p-8 text-center space-y-3'>
|
||
<div className='text-5xl'>✅</div>
|
||
<p className='text-green-400 font-semibold text-xl'>{doneMessage}</p>
|
||
{flowError && (
|
||
<p className='text-yellow-400 text-sm'>{flowError}</p>
|
||
)}
|
||
<p className='text-gray-600 text-xs'>Zurück zur Startseite in wenigen Sekunden…</p>
|
||
</div>
|
||
)}
|
||
|
||
{/* Loading state */}
|
||
{hasCredentials === null && (
|
||
<div className='text-gray-600 text-sm animate-pulse'>Initialisiere…</div>
|
||
)}
|
||
</div>
|
||
|
||
{/* Footer */}
|
||
<div className='px-6 py-4 text-center'>
|
||
<Link
|
||
to='/kiosk/setup'
|
||
className='text-xs text-gray-700 hover:text-gray-500 transition-colors underline'
|
||
>
|
||
Kiosk-Einrichtung
|
||
</Link>
|
||
</div>
|
||
</div>
|
||
)
|
||
}
|