Initial commit: breakpilot-lehrer - Lehrer KI Platform
Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website, Klausur-Service, School-Service, Voice-Service, Geo-Service, BreakPilot Drive, Agent-Core Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Benjamin Boenisch
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'use client'
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/**
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* ThemenSuche - Autocomplete search for Abitur themes
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* Features debounced API calls, suggestion display, and keyboard navigation
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*/
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import { useState, useEffect, useRef, useCallback } from 'react'
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import { Search, X, Loader2 } from 'lucide-react'
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import type { ThemaSuggestion } from '@/lib/education/abitur-archiv-types'
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import { POPULAR_THEMES } from '@/lib/education/abitur-archiv-types'
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interface ThemenSucheProps {
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onSearch: (query: string) => void
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onClear: () => void
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placeholder?: string
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}
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export function ThemenSuche({
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onSearch,
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onClear,
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placeholder = 'Thema suchen (z.B. Gedichtanalyse, Eroerterung, Drama...)'
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}: ThemenSucheProps) {
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const [query, setQuery] = useState('')
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const [suggestions, setSuggestions] = useState<ThemaSuggestion[]>([])
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const [loading, setLoading] = useState(false)
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const [showDropdown, setShowDropdown] = useState(false)
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const [selectedIndex, setSelectedIndex] = useState(-1)
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const inputRef = useRef<HTMLInputElement>(null)
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const dropdownRef = useRef<HTMLDivElement>(null)
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// Debounced API call for suggestions
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useEffect(() => {
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const timer = setTimeout(async () => {
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if (query.length >= 2) {
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setLoading(true)
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try {
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const res = await fetch(`/api/education/abitur-archiv/suggest?q=${encodeURIComponent(query)}`)
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const data = await res.json()
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setSuggestions(data.suggestions || [])
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setShowDropdown(true)
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} catch (error) {
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console.error('Suggest error:', error)
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// Fallback to popular themes
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setSuggestions(POPULAR_THEMES.filter(t =>
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t.label.toLowerCase().includes(query.toLowerCase())
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))
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} finally {
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setLoading(false)
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}
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} else if (query.length === 0) {
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setSuggestions(POPULAR_THEMES)
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} else {
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setSuggestions([])
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}
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}, 300)
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return () => clearTimeout(timer)
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}, [query])
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// Close dropdown when clicking outside
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useEffect(() => {
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const handleClickOutside = (e: MouseEvent) => {
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if (
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dropdownRef.current &&
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!dropdownRef.current.contains(e.target as Node) &&
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inputRef.current &&
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!inputRef.current.contains(e.target as Node)
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) {
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setShowDropdown(false)
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}
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}
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document.addEventListener('mousedown', handleClickOutside)
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return () => document.removeEventListener('mousedown', handleClickOutside)
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}, [])
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const handleKeyDown = useCallback((e: React.KeyboardEvent) => {
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if (!showDropdown || suggestions.length === 0) return
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switch (e.key) {
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case 'ArrowDown':
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e.preventDefault()
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setSelectedIndex(prev => Math.min(prev + 1, suggestions.length - 1))
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break
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case 'ArrowUp':
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e.preventDefault()
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setSelectedIndex(prev => Math.max(prev - 1, -1))
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break
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case 'Enter':
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e.preventDefault()
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if (selectedIndex >= 0) {
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handleSelectSuggestion(suggestions[selectedIndex])
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} else if (query.trim()) {
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handleSearch()
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}
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break
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case 'Escape':
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setShowDropdown(false)
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setSelectedIndex(-1)
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break
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}
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}, [showDropdown, suggestions, selectedIndex, query])
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const handleSelectSuggestion = (suggestion: ThemaSuggestion) => {
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setQuery(suggestion.label)
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setShowDropdown(false)
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setSelectedIndex(-1)
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onSearch(suggestion.label)
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}
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const handleSearch = () => {
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if (query.trim()) {
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onSearch(query.trim())
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setShowDropdown(false)
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}
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}
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const handleClear = () => {
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setQuery('')
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setSuggestions(POPULAR_THEMES)
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setShowDropdown(false)
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setSelectedIndex(-1)
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onClear()
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inputRef.current?.focus()
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}
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const handleFocus = () => {
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if (query.length === 0) {
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setSuggestions(POPULAR_THEMES)
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}
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setShowDropdown(true)
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}
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return (
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<div className="relative">
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{/* Search Input */}
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<div className="relative flex items-center">
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<div className="absolute left-4 text-slate-400">
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{loading ? (
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<Loader2 className="w-5 h-5 animate-spin" />
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) : (
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<Search className="w-5 h-5" />
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)}
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</div>
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<input
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ref={inputRef}
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type="text"
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value={query}
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onChange={(e) => {
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setQuery(e.target.value)
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setSelectedIndex(-1)
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}}
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onKeyDown={handleKeyDown}
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onFocus={handleFocus}
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placeholder={placeholder}
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className="w-full pl-12 pr-24 py-3 text-lg border border-slate-300 rounded-xl
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focus:ring-2 focus:ring-blue-500 focus:border-transparent
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bg-white shadow-sm"
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/>
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<div className="absolute right-2 flex items-center gap-2">
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{query && (
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<button
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onClick={handleClear}
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className="p-1.5 text-slate-400 hover:text-slate-600 hover:bg-slate-100 rounded-lg"
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title="Suche loeschen"
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>
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<X className="w-4 h-4" />
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</button>
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)}
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<button
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onClick={handleSearch}
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disabled={!query.trim()}
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className="px-4 py-1.5 bg-blue-600 text-white rounded-lg hover:bg-blue-700
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disabled:opacity-50 disabled:cursor-not-allowed text-sm font-medium"
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>
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Suchen
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</button>
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</div>
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</div>
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{/* Suggestions Dropdown */}
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{showDropdown && suggestions.length > 0 && (
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<div
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ref={dropdownRef}
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className="absolute top-full left-0 right-0 mt-2 bg-white rounded-xl border border-slate-200
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shadow-lg z-50 max-h-80 overflow-y-auto"
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>
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<div className="p-2">
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{query.length === 0 && (
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<div className="px-3 py-2 text-xs font-medium text-slate-500 uppercase tracking-wide">
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Beliebte Themen
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</div>
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)}
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{suggestions.map((suggestion, index) => (
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<button
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key={`${suggestion.aufgabentyp}-${suggestion.label}`}
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onClick={() => handleSelectSuggestion(suggestion)}
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className={`w-full px-3 py-2.5 text-left rounded-lg flex items-center justify-between
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transition-colors ${
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index === selectedIndex
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? 'bg-blue-50 text-blue-700'
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: 'hover:bg-slate-50'
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}`}
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>
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<div className="flex items-center gap-3">
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<Search className="w-4 h-4 text-slate-400" />
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<div>
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<div className="font-medium text-slate-800">{suggestion.label}</div>
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{suggestion.kategorie && (
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<div className="text-xs text-slate-500">{suggestion.kategorie}</div>
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)}
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</div>
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</div>
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<span className="text-sm text-slate-400">
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{suggestion.count} Dokumente
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</span>
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</button>
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))}
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</div>
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</div>
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)}
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{/* Quick Theme Tags */}
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{!showDropdown && query.length === 0 && (
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<div className="mt-3 flex flex-wrap gap-2">
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<span className="text-sm text-slate-500">Vorschlaege:</span>
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{POPULAR_THEMES.slice(0, 5).map((theme) => (
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<button
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key={theme.aufgabentyp}
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onClick={() => handleSelectSuggestion(theme)}
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className="px-3 py-1 text-sm bg-slate-100 text-slate-700 rounded-full
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hover:bg-slate-200 transition-colors"
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>
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{theme.label}
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</button>
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))}
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</div>
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)}
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</div>
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)
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}
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