Fix of broken authentication metode

Web/app.py

@@ -3787,6 +3787,7 @@ def api_item_detail(item_id):
         <h2>{html.escape(str(item.get('Name', 'Untitled')))}</h2>
         <p><strong>ISBN:</strong> {html.escape(str(item.get('ISBN', item.get('Code4', '-'))))}</p>
         <p><strong>Anzahl:</strong> {html.escape(str(item.get('SeriesCount', '-')))}</p>
+        <p><strong>Code:</strong> {html.escape(str(item.get('Code_4', '-')))}</p>
         <p><strong>Ort:</strong> {html.escape(str(item.get('Ort', '-')))}</p>
         <p><strong>Typ:</strong> {html.escape(str(item.get('ItemType', '-')))}</p>
         <p><strong>Kategorie:</strong> {html.escape(str(item.get('library_category', '-')))}</p>
@@ -7696,7 +7697,7 @@ def user_del():
                 last_name = ""
                 fullname = None
             users_list.append({
-                'username': username,
+                'username': decrypt_text(username),
                 'admin': user.get('Admin', False),
                 'fullname': fullname,
                 'name': name,

Web/modules/database/user.py

@@ -650,7 +650,7 @@ def add_user(
         safe_last_name = last_name.strip() if last_name else ''
 
         user_doc = {
-            'Username': dp.encrypt_text(username),
+            'Username': username,
             'Password': hashing(password),
             'Admin': (permission_preset == "full_access"),
             'active_ausleihung': None,

Web/templates/library_table.html

@@ -524,7 +524,7 @@
                 <option value="card_only">Nur Ausweis erfassen</option>
                 <option value="quick_toggle">Schnellmodus: Ausweis + Mediencode</option>
             </select>
-            <input type="text" id="activeStudentCard" placeholder="Aktiver Ausweis (gescannt)" readonly>
+            <input type="text" id="activeStudentCard" placeholder="Aktiver Ausweis (gescannt)" >
             <input type="text" id="manualItemCode" placeholder="Manueller Mediencode (optional)" style="min-width:180px;">
             <button id="resetCardBtn" class="button" type="button">Ausweis löschen</button>
             <button id="toggleScannerBtn" class="button" type="button">Scanner starten</button>
@@ -800,7 +800,7 @@
             return `
         <tr>
             <td class="table-title">${escapeHtml(item.Name || 'Untitled')}</td>
-            <td>${escapeHtml(item.ISBN || item.Code_4 || item.Code4 || '-')}</td>
+            <td>${escapeHtml(item.Code_4 || item.Code4 || '-')}</td>
             <td>${getItemTypeLabel(item.ItemType || 'book')}</td>
             <td style="font-weight:600; text-align:center;">${item.Quantity || item.GroupedDisplayCount || 1}</td>
             <td>