diff --git a/public/dev.html b/public/dev.html
deleted file mode 100644
index 95ec069..0000000
--- a/public/dev.html
+++ /dev/null
@@ -1,680 +0,0 @@
-<!DOCTYPE html>
-<html lang="de">
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <link rel="icon" type="image/png" href="/images/icons/favicon.png">
-    <link rel="apple-touch-icon" href="/images/icons/icon-180x180.png">
-    <title>Infraviewer - Volltextsuche</title>
-    <style>
-        * {
-            margin: 0;
-            padding: 0;
-            box-sizing: border-box;
-        }
-
-        body {
-            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
-            background: #0066FF;
-            min-height: 100vh;
-            padding: 20px;
-        }
-
-        .container {
-            max-width: 1200px;
-            margin: 0 auto;
-        }
-
-        .header {
-            text-align: center;
-            color: white;
-            margin-bottom: 40px;
-        }
-
-        .header h1 {
-            font-size: 2.5rem;
-            margin-bottom: 10px;
-            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
-        }
-
-        .header p {
-            font-size: 1.1rem;
-            opacity: 0.9;
-        }
-
-        .search-card {
-            background: white;
-            border-radius: 12px;
-            padding: 30px;
-            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
-            margin-bottom: 30px;
-        }
-
-        .search-box {
-            display: flex;
-            gap: 10px;
-            margin-bottom: 20px;
-        }
-
-        .search-input {
-            flex: 1;
-            padding: 15px 20px;
-            font-size: 16px;
-            border: 2px solid #e0e0e0;
-            border-radius: 8px;
-            outline: none;
-            transition: border-color 0.3s;
-        }
-
-        .search-input:focus {
-            border-color: #667eea;
-        }
-
-        .search-filter {
-            padding: 15px 12px;
-            font-size: 16px;
-            border: 2px solid #e0e0e0;
-            border-radius: 8px;
-            background: white;
-            color: #333;
-            cursor: pointer;
-            min-width: 140px;
-        }
-        .search-filter:focus {
-            outline: none;
-            border-color: #667eea;
-        }
-
-        .search-button {
-            padding: 15px 40px;
-            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-            color: white;
-            border: none;
-            border-radius: 8px;
-            font-size: 16px;
-            font-weight: 600;
-            cursor: pointer;
-            transition: transform 0.2s, box-shadow 0.2s;
-        }
-
-        .search-button:hover {
-            transform: translateY(-2px);
-            box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
-        }
-
-        .search-button:active {
-            transform: translateY(0);
-        }
-
-        .search-button:disabled {
-            opacity: 0.6;
-            cursor: not-allowed;
-        }
-
-        .stats {
-            display: flex;
-            gap: 20px;
-            padding: 15px;
-            background: #f5f5f5;
-            border-radius: 8px;
-            margin-bottom: 20px;
-        }
-
-        .stat-item {
-            flex: 1;
-            text-align: center;
-        }
-
-        .stat-value {
-            font-size: 2rem;
-            font-weight: 700;
-            color: #667eea;
-        }
-
-        .stat-label {
-            font-size: 0.9rem;
-            color: #666;
-            margin-top: 5px;
-        }
-
-        .results {
-            margin-top: 30px;
-        }
-
-        .table-result {
-            background: white;
-            border-radius: 8px;
-            margin-bottom: 20px;
-            overflow: hidden;
-            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
-        }
-
-        .table-header {
-            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-            color: white;
-            padding: 15px 20px;
-            display: flex;
-            justify-content: space-between;
-            align-items: center;
-        }
-
-        .table-name {
-            font-size: 1.2rem;
-            font-weight: 600;
-        }
-
-        .table-count {
-            background: rgba(255,255,255,0.2);
-            padding: 5px 15px;
-            border-radius: 20px;
-            font-size: 0.9rem;
-        }
-
-        .records {
-            padding: 20px;
-        }
-
-        .record {
-            display: flex;
-            margin-bottom: 10px;
-            border-radius: 6px;
-            overflow: hidden;
-            background: #f9f9f9;
-        }
-        .record-status-bar {
-            width: 16px;
-            flex-shrink: 0;
-            display: flex;
-            align-items: center;
-            justify-content: center;
-            padding: 8px 0;
-        }
-        .record-status-label {
-            writing-mode: vertical-rl;
-            text-orientation: mixed;
-            transform: rotate(180deg);
-            color: rgba(255,255,255,0.95);
-            font-size: 11px;
-            font-weight: 600;
-            white-space: nowrap;
-            letter-spacing: 0.5px;
-        }
-        .record-body {
-            flex: 1;
-            padding: 15px;
-        }
-        /* Status-Farben (siehe status.txt): aktiv=grün, inaktiv/löschbar=rot, prüfbar=orange, pseudoteil=grün */
-        .record-status-bar.record--aktiv { background: #2e7d32; }
-        .record-status-bar.record--inaktiv { background: #c62828; }
-        .record-status-bar.record--loeschbar { background: #c62828; }
-        .record-status-bar.record--pruefbar { background: #e65100; }
-        .record-status-bar.record--pseudoteil { background: #2e7d32; }
-
-        .record-field {
-            display: flex;
-            padding: 5px 0;
-            margin: 0 -15px;
-            padding-left: 15px;
-            padding-right: 15px;
-            align-items: flex-start;
-        }
-        .record-body .record-field:nth-child(even) {
-            background: rgba(0,0,0,0.04);
-        }
-        .record-body .record-field:nth-child(odd) {
-            background: transparent;
-        }
-
-        .field-name {
-            font-weight: 600;
-            color: #666;
-            min-width: 150px;
-        }
-
-        .field-value {
-            color: #333;
-            word-break: break-word;
-            white-space: pre-line;
-            margin-left: 16px;
-            flex: 1;
-        }
-
-        .copy-btn {
-            margin-left: 8px;
-            border: none;
-            background: transparent;
-            color: #666;
-            cursor: pointer;
-            font-size: 14px;
-            line-height: 1;
-            padding: 2px 4px;
-            border-radius: 4px;
-        }
-        .copy-btn:hover {
-            background: rgba(0, 0, 0, 0.08);
-            color: #222;
-        }
-
-        .price-age {
-            margin-left: 6px;
-            font-size: 0.9em;
-            color: #555;
-        }
-
-        .price-age--old {
-            color: #c62828;
-            font-weight: 600;
-        }
-
-        .field-value .part-link {
-            color: #1565c0;
-            text-decoration: none;
-            font-weight: 600;
-        }
-        .field-value .part-link:hover {
-            text-decoration: underline;
-        }
-
-        .highlight {
-            background-color: #ffeb3b;
-            padding: 2px 4px;
-            border-radius: 3px;
-        }
-
-        .loading {
-            text-align: center;
-            padding: 40px;
-            color: #666;
-        }
-
-        .spinner {
-            border: 4px solid #f3f3f3;
-            border-top: 4px solid #667eea;
-            border-radius: 50%;
-            width: 40px;
-            height: 40px;
-            animation: spin 1s linear infinite;
-            margin: 0 auto 20px;
-        }
-
-        @keyframes spin {
-            0% { transform: rotate(0deg); }
-            100% { transform: rotate(360deg); }
-        }
-
-        .error {
-            background: #ffebee;
-            color: #c62828;
-            padding: 15px;
-            border-radius: 8px;
-            margin-top: 20px;
-        }
-
-        .no-results {
-            text-align: center;
-            padding: 40px;
-            color: #666;
-        }
-
-        .config-button {
-            padding: 10px 20px;
-            background: white;
-            color: #667eea;
-            border: 2px solid white;
-            border-radius: 8px;
-            font-size: 14px;
-            font-weight: 600;
-            cursor: pointer;
-            transition: all 0.2s;
-            margin-left: 10px;
-        }
-
-        .config-button:hover {
-            background: transparent;
-            color: white;
-        }
-
-        @media (max-width: 768px) {
-            .search-box {
-                flex-direction: column;
-            }
-
-            .stats {
-                flex-direction: column;
-            }
-
-            .header h1 {
-                font-size: 1.8rem;
-            }
-        }
-    </style>
-</head>
-<body>
-    <div class="container">
-        <div class="header">
-            <h1>🔍 Infraviewer</h1>
-            <p>Volltextsuche über MS SQL Server Express Datenbank</p>
-        </div>
-
-        <div class="search-card">
-            <div class="search-box">
-                <input 
-                    type="text" 
-                    id="searchInput" 
-                    class="search-input" 
-                    placeholder="Suchbegriff eingeben..."
-                    autofocus
-                >
-                <select id="statusFilter" class="search-filter" title="Status-Filter">
-                    <option value="">Alle</option>
-                    <option value="aktiv">Nur Aktiv</option>
-                    <option value="pruefbar">Nur Prüfbar</option>
-                    <option value="inaktiv">Nur Inaktiv</option>
-                </select>
-                <button id="searchButton" class="search-button">Suchen</button>
-                <button id="configButton" class="config-button" style="display: none;">Konfiguration</button>
-            </div>
-
-            <div id="stats" class="stats" style="display: none;">
-                <div class="stat-item">
-                    <div class="stat-value" id="totalMatches">0</div>
-                    <div class="stat-label">Treffer</div>
-                </div>
-                <div class="stat-item">
-                    <div class="stat-value" id="searchTime">0ms</div>
-                    <div class="stat-label">Suchzeit</div>
-                </div>
-            </div>
-        </div>
-
-        <div id="results" class="results"></div>
-    </div>
-
-    <script>
-        const searchInput = document.getElementById('searchInput');
-        const searchButton = document.getElementById('searchButton');
-        const resultsDiv = document.getElementById('results');
-        const statsDiv = document.getElementById('stats');
-        const statusFilterSelect = document.getElementById('statusFilter');
-        let currentSearchTerm = '';
-
-        // Enter-Taste zum Suchen
-        searchInput.addEventListener('keypress', (e) => {
-            if (e.key === 'Enter') {
-                performSearch();
-            }
-        });
-
-        searchButton.addEventListener('click', performSearch);
-
-        resultsDiv.addEventListener('click', (e) => {
-            const copyBtn = e.target.closest('.copy-btn');
-            if (copyBtn) {
-                e.preventDefault();
-                const copyText = copyBtn.getAttribute('data-copy') || '';
-                copyToClipboard(copyText);
-                const original = copyBtn.textContent;
-                copyBtn.textContent = '✓';
-                setTimeout(() => { copyBtn.textContent = original; }, 700);
-                return;
-            }
-
-            const link = e.target.closest('.part-link');
-            if (!link) return;
-            e.preventDefault();
-            const part = link.getAttribute('data-part');
-            if (part) {
-                searchInput.value = part;
-                // Beim Klick auf "Ersetzt durch" immer auf "Alle" setzen
-                statusFilterSelect.value = '';
-                performSearch();
-            }
-        });
-
-        async function performSearch() {
-            const searchTerm = searchInput.value.trim();
-            
-            if (!searchTerm) {
-                alert('Bitte geben Sie einen Suchbegriff ein');
-                return;
-            }
-
-            currentSearchTerm = searchTerm;
-            searchButton.disabled = true;
-            searchButton.textContent = 'Suche läuft...';
-            
-            resultsDiv.innerHTML = '<div class="loading"><div class="spinner"></div><p>Datenbank wird durchsucht...</p></div>';
-            
-            const startTime = performance.now();
-
-            try {
-                const statusFilter = statusFilterSelect.value;
-                const url = new URL('/api/search', window.location.origin);
-                url.searchParams.set('q', searchTerm);
-                if (statusFilter) url.searchParams.set('status', statusFilter);
-                const response = await fetch(url.toString());
-                const data = await response.json();
-                
-                const endTime = performance.now();
-                const searchTime = Math.round(endTime - startTime);
-
-                if (data.success) {
-                    displayResults(data, searchTime);
-                } else {
-                    displayError(data.error);
-                }
-            } catch (error) {
-                displayError('Verbindungsfehler: ' + error.message);
-            } finally {
-                searchButton.disabled = false;
-                searchButton.textContent = 'Suchen';
-            }
-        }
-
-        function displayResults(data, searchTime) {
-            // Statistiken anzeigen
-            statsDiv.style.display = 'flex';
-            document.getElementById('totalMatches').textContent = data.totalMatches;
-            document.getElementById('searchTime').textContent = searchTime + 'ms';
-
-            // Ergebnisse anzeigen
-            if (data.totalMatches === 0) {
-                resultsDiv.innerHTML = `
-                    <div class="no-results">
-                        <h2>Keine Ergebnisse gefunden</h2>
-                        <p>Der Suchbegriff "${escapeHtml(data.searchTerm)}" wurde in keiner Tabelle gefunden.</p>
-                    </div>
-                `;
-                return;
-            }
-
-            let html = '';
-            
-            data.results.forEach(tableResult => {
-                if (tableResult.matchCount > 0) {
-                    html += `
-                        <div class="table-result">
-                            <div class="table-header">
-                                <span class="table-name">${escapeHtml(tableResult.tableName)}</span>
-                                <span class="table-count">${tableResult.matchCount} Treffer</span>
-                            </div>
-                            <div class="records">
-                                ${tableResult.records.slice().sort((a, b) => getStatusSortOrder(a.Stat) - getStatusSortOrder(b.Stat)).map(record => renderRecord(record)).join('')}
-                            </div>
-                        </div>
-                    `;
-                }
-            });
-
-            resultsDiv.innerHTML = html;
-        }
-
-        // Feste Spaltenreihenfolge und Anzeige-Labels (siehe Spalten.txt)
-        const DISPLAY_COLUMNS = [
-            { key: 'Teil', label: 'Teilenummer' },
-            { key: 'Bez', label: 'Bezeichnung' },
-            { key: 'Bez2', label: 'Bezeichnung 2' },
-            { key: 'EngBez1', label: 'Englische Bezeichnung 1' },
-            { key: 'EngBez2', label: 'Englische Bezeichnung 2' },
-            { key: 'Ben8', label: 'Bezeichnung 3' },
-            { key: 'Ben7', label: 'Englischer Text' },
-            { key: 'Hersteller', label: 'Hersteller' },
-            { key: 'Text', label: 'Zusatztext' },
-            { key: 'PrsVK', label: 'VK in €' },
-            { key: 'Ben43', label: 'Zeichnungsnummer' },
-            { key: 'Ersatz', label: 'Ersetzt durch' }
-        ];
-
-        function getStatusClass(stat) {
-            const s = (stat == null ? '' : String(stat).trim());
-            if (s === 'i') return 'record--inaktiv';
-            if (s === 'l') return 'record--loeschbar';
-            if (s === 'L') return 'record--pruefbar';
-            if (s === 'p') return 'record--pseudoteil';
-            return 'record--aktiv';  // "" oder leer = aktiv
-        }
-
-        /** Sortierreihenfolge: 0 = aktiv (zuerst), 1 = prüfbar, 2 = Rest */
-        function getStatusSortOrder(stat) {
-            const s = (stat == null ? '' : String(stat).trim());
-            if (s === '') return 0;   // aktiv
-            if (s === 'L') return 1;  // prüfbar
-            return 2;                  // inaktiv, löschbar, pseudoteil
-        }
-
-        function getStatusLabel(stat) {
-            const s = (stat == null ? '' : String(stat).trim());
-            if (s === 'i') return 'Inaktiv';
-            if (s === 'l') return 'Löschbar';
-            if (s === 'L') return 'Prüfbar';
-            if (s === 'p') return 'Pseudoteil';
-            return 'Aktiv';
-        }
-
-        function renderRecord(record) {
-            const statusClass = getStatusClass(record.Stat);
-            const statusLabel = getStatusLabel(record.Stat);
-            let html = `
-                <div class="record">
-                    <div class="record-status-bar ${statusClass}">
-                        <span class="record-status-label">${escapeHtml(statusLabel)}</span>
-                    </div>
-                    <div class="record-body">`;
-            for (const { key, label } of DISPLAY_COLUMNS) {
-                if (!(key in record)) continue;
-                const value = record[key];
-                let displayValue;
-                let copyValue = '';
-                if (key === 'Ersatz' && value != null && String(value).trim() !== '') {
-                    const partNum = String(value).trim();
-                    const safePart = escapeHtml(partNum);
-                    const safePartAttr = safePart.replace(/"/g, '&quot;');
-                    displayValue = `<a href="#" class="part-link" data-part="${safePartAttr}">${safePart}</a>`;
-                    copyValue = partNum;
-                } else if (key === 'PrsVK') {
-                    const isVkTeil = record.VkTeil != null && Number(record.VkTeil) !== 0;
-                    if (isVkTeil && value != null && String(value).trim() !== '') {
-                        const valueText = String(value);
-                        const priceText = highlightSearchTerm(String(value));
-                        const priceTermStr = record.PrsVkTerm || record.PrsVKTerm;
-                        let ageHtml = '';
-                        let ageText = '';
-                        if (priceTermStr) {
-                            const priceDate = new Date(priceTermStr);
-                            if (!isNaN(priceDate)) {
-                                const now = new Date();
-                                const diffMs = now.getTime() - priceDate.getTime();
-                                const diffDays = Math.floor(diffMs / (1000 * 60 * 60 * 24));
-                                ageText = `${diffDays} Tage alt`;
-                                const isOld = diffDays > 182; // > ca. 6 Monate
-                                const ageClass = isOld ? 'price-age price-age--old' : 'price-age';
-                                ageHtml = ` <span class="${ageClass}">(${escapeHtml(ageText)})</span>`;
-                            }
-                        }
-                        displayValue = `${priceText}${ageHtml}`;
-                        copyValue = ageText ? `${valueText} (${ageText})` : valueText;
-                    } else {
-                        displayValue = escapeHtml('kein Verkaufsteil');
-                        copyValue = 'kein Verkaufsteil';
-                    }
-                } else {
-                    const plainValue = value === null || value === undefined ? '' : String(value);
-                    displayValue = value === null || value === undefined ? '' : highlightSearchTerm(String(value));
-                    copyValue = plainValue;
-                }
-                const safeCopyAttr = escapeHtml(copyValue).replace(/"/g, '&quot;');
-                html += `
-                    <div class="record-field">
-                        <span class="field-name">${escapeHtml(label)}:</span>
-                        <span class="field-value">${displayValue}</span>
-                        <button class="copy-btn" type="button" data-copy="${safeCopyAttr}" title="Zeile kopieren" aria-label="Zeile kopieren">⧉</button>
-                    </div>`;
-            }
-            html += `
-                    </div>
-                </div>`;
-            return html;
-        }
-
-        function highlightSearchTerm(text) {
-            if (!currentSearchTerm) return escapeHtml(text);
-            
-            const words = currentSearchTerm.trim().split(/\s+/).filter(Boolean);
-            if (words.length === 0) return escapeHtml(text);
-
-            const escapedText = escapeHtml(text);
-            const pattern = words.map(w => escapeRegex(w)).join('|');
-            const searchRegex = new RegExp(`(${pattern})`, 'gi');
-            return escapedText.replace(searchRegex, '<span class="highlight">$1</span>');
-        }
-
-        function displayError(errorMessage) {
-            statsDiv.style.display = 'none';
-            resultsDiv.innerHTML = `
-                <div class="error">
-                    <strong>Fehler:</strong> ${escapeHtml(errorMessage)}
-                </div>
-            `;
-        }
-
-        function escapeHtml(text) {
-            const div = document.createElement('div');
-            div.textContent = text;
-            return div.innerHTML;
-        }
-
-        function escapeRegex(text) {
-            return text.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
-        }
-
-        async function copyToClipboard(text) {
-            try {
-                await navigator.clipboard.writeText(text);
-            } catch (err) {
-                const ta = document.createElement('textarea');
-                ta.value = text;
-                ta.style.position = 'fixed';
-                ta.style.opacity = '0';
-                document.body.appendChild(ta);
-                ta.focus();
-                ta.select();
-                document.execCommand('copy');
-                document.body.removeChild(ta);
-            }
-        }
-
-        // Health Check beim Laden
-        window.addEventListener('load', async () => {
-            try {
-                const response = await fetch('/api/health');
-                const data = await response.json();
-                if (data.status !== 'ok') {
-                    displayError('Datenbankverbindung fehlgeschlagen. Bitte überprüfen Sie die Konfiguration.');
-                }
-            } catch (error) {
-                console.error('Health check failed:', error);
-            }
-        });
-    </script>
-</body>
-</html>
