Demo-Modus entfernt

isDemoMode war nie aktiv: appwrite.js hat immer eine Projekt-ID als
Fallback. Weg sind die Demo-Zweige in Anmeldung und Hooks sowie die
Beispieldaten aus der alten IT-Welt (Serverausfall, Drucker, Kunde A–E).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/hooks/useWorkorders.js

@@ -1,7 +1,5 @@
 import { useState, useEffect, useCallback, useMemo } from 'react'
-import { databases, DATABASE_ID, COLLECTIONS, Query, ID, isDemoMode } from '../lib/appwrite'
-
-const DEMO_MODE = isDemoMode
+import { databases, DATABASE_ID, COLLECTIONS, Query, ID } from '../lib/appwrite'
 
 function buildFiltersKey(filters = {}) {
   return JSON.stringify({
@@ -15,68 +13,6 @@ function buildFiltersKey(filters = {}) {
   })
 }
 
-// Demo data for testing without Appwrite
-const lastWeek = new Date(Date.now() - 7 * 24 * 60 * 60 * 1000)
-
-const DEMO_WORKORDERS = [
-  { 
-    $id: 'dummy-10001', 
-    woid: '10001', 
-    topic: 'Kompletter Systemausfall - Server & Netzwerk',
-    status: 'Assigned', 
-    priority: 4, 
-    type: 'Emergency Call', 
-    systemType: 'Server',
-    responseLevel: 'Backoffice',
-    serviceType: 'On Site',
-    customerName: 'Kunde A', 
-    customerLocation: 'Hauptstraße 123, 12345 Musterstadt',
-    assignedTo: 'user-max-id',
-    assignedName: 'Max Mustermann', 
-    requestedBy: 'Dr. Anna Schmidt',
-    requestedFor: 'IT-Abteilung Kunde A',
-    startDate: '30.12.2025',
-    startTime: '0800',
-    deadline: '31.12.2025',
-    endTime: '1800',
-    estimate: '480',
-    mailCopyTo: 'admin@kunde-a.de, it@kunde-a.de',
-    sendNotification: true,
-    details: `KRITISCHER SYSTEMAUSFALL - SOFORTIGE BEARBEITUNG ERFORDERLICH
-
-Problembeschreibung:
-- Kompletter Serverausfall im Rechenzentrum
-- Alle Server sind offline (keine Verbindung möglich)
-- Netzwerk-Infrastruktur betroffen
-- Keine Backup-Systeme verfügbar
-
-Betroffene Systeme:
-- Hauptserver (Windows Server 2022)
-- Datenbankserver (SQL Server 2019)
-- Fileserver
-- Exchange Server
-- Netzwerk-Switches
-
-Auswirkungen:
-- Keine E-Mail-Kommunikation möglich
-- Alle Anwendungen offline
-- Kein Zugriff auf Datenbanken
-- Produktion steht still
-
-Dringlichkeit: KRITISCH - Produktionsausfall
-
-Erwartete Bearbeitungszeit: 8 Stunden
-Benötigte Ressourcen: 2 Techniker, Hardware-Ersatzteile`,
-    approvalStatus: 'approved',
-    $createdAt: lastWeek.toISOString(),
-    createdAt: lastWeek.toISOString()
-  },
-  { $id: '2', woid: '10002', title: 'Netzwerk Problem', description: 'WLAN funktioniert nicht', status: 'Occupied', priority: 3, type: 'Support', customerName: 'Kunde B', assignedName: 'Lisa S.', response: 'Remote', $createdAt: new Date().toISOString() },
-  { $id: '3', woid: '10003', title: 'Software Installation', description: 'Office 365 Setup', status: 'Assigned', priority: 1, type: 'Installation', customerName: 'Kunde C', assignedName: 'Tom K.', response: 'Onsite', $createdAt: new Date().toISOString() },
-  { $id: '4', woid: '10004', title: 'Drucker defekt', description: 'Papierstau', status: 'Awaiting', priority: 2, type: 'Hardware', customerName: 'Kunde D', assignedName: '', response: 'Pickup', $createdAt: new Date().toISOString() },
-  { $id: '5', woid: '10005', title: 'Kritischer Serverausfall', description: 'Produktionsserver down', status: 'Open', priority: 4, type: 'Emergency', customerName: 'Kunde E', assignedName: 'Max M.', response: 'Onsite', $createdAt: new Date().toISOString() },
-]
-
 export function useWorkorders(filters = {}) {
   const [workorders, setWorkorders] = useState([])
   const [loading, setLoading] = useState(true)
@@ -94,27 +30,7 @@ export function useWorkorders(filters = {}) {
   const fetchWorkorders = useCallback(async () => {
     const activeFilters = JSON.parse(filtersKey)
     setLoading(true)
-    
-    if (DEMO_MODE) {
-      // Filter demo data
-      let filtered = [...DEMO_WORKORDERS]
-      if (activeFilters.status?.length > 0) {
-        filtered = filtered.filter(wo => activeFilters.status.includes(wo.status))
-      }
-      if (activeFilters.priority?.length > 0) {
-        filtered = filtered.filter(wo => activeFilters.priority.includes(wo.priority))
-      }
-      if (activeFilters.woid) {
-        filtered = filtered.filter(wo => String(wo.woid) === String(activeFilters.woid))
-      }
-      if (activeFilters.limit) {
-        filtered = filtered.slice(0, activeFilters.limit)
-      }
-      setWorkorders(filtered)
-      setLoading(false)
-      return
-    }
-    
+
     try {
       const queries = [Query.orderDesc('$createdAt')]
       
@@ -236,18 +152,6 @@ export function useWorkorders(filters = {}) {
   }
 
   const createWorkorder = async (data) => {
-    if (DEMO_MODE) {
-      // Finde höchste WOID und +1
-      const maxWoid = workorders.length > 0 
-        ? Math.max(...workorders.map(wo => parseInt(wo.woid)).filter(w => !isNaN(w)))
-        : 9999;
-      const nextWoid = maxWoid + 1;
-      
-      const newWo = { ...data, $id: Date.now().toString(), woid: nextWoid.toString(), status: 'Open', $createdAt: new Date().toISOString() }
-      setWorkorders(prev => [newWo, ...prev])
-      return { success: true, data: newWo }
-    }
-    
     try {
       // Validierung: Prüfe required fields
       if (!data.topic || data.topic.trim() === '') {
@@ -323,11 +227,6 @@ export function useWorkorders(filters = {}) {
   }
 
   const updateWorkorder = async (id, data) => {
-    if (DEMO_MODE) {
-      setWorkorders(prev => prev.map(wo => wo.$id === id ? { ...wo, ...data } : wo))
-      return { success: true }
-    }
-    
     try {
       // Status-Automatik beim Update:
       // Wenn assignedTo gesetzt wird → Status = "Assigned"
@@ -361,11 +260,6 @@ export function useWorkorders(filters = {}) {
   }
 
   const deleteWorkorder = async (id) => {
-    if (DEMO_MODE) {
-      setWorkorders(prev => prev.filter(wo => wo.$id !== id))
-      return { success: true }
-    }
-    
     try {
       await databases.deleteDocument(
         DATABASE_ID,