diff --git a/README.md b/README.md
index 05a2404..76652f2 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,8 @@ Aktuell verwaltet sie:
 - Mega Menu
 - ExpiryIndicator
 
+Fuer Mega Menu wird das Termset ueber einen durchsuchbaren Picker aus dem Default Site Collection Term Store ausgewaehlt. PortalSettings speichert automatisch Termset-ID und Namen sowie Cache-Dauer und Debug-Modus. Individuelle Stylesheets werden ausschliesslich ueber Custom Branding eingebunden.
+
 ## ExpiryIndicator 2.1
 
 - Site-Collection-Standard im Property Bag des Root Webs,
@@ -45,7 +47,7 @@ Das Paket liegt danach unter `sharepoint/solution/portal-settings.sppkg`.
 
 ## Installation und Upgrade
 
-1. `portal-settings.sppkg` im App Catalog durch Version `2.1.5.0` ersetzen.
+1. `portal-settings.sppkg` im App Catalog durch Version `2.1.7.0` ersetzen.
 2. PortalSettings im Root Web der Site Collection installieren beziehungsweise aktualisieren.
 3. `expiry-indicator.sppkg` durch Version `2.1.0.0` ersetzen und die App aktualisieren.
 4. `/SitePages/PortalSettings.aspx` mit geleertem Browsercache laden.
diff --git a/config/package-solution.json b/config/package-solution.json
index dde85ab..eca7fee 100644
--- a/config/package-solution.json
+++ b/config/package-solution.json
@@ -3,7 +3,7 @@
   "solution": {
     "name": "portal-settings-client-side-solution",
     "id": "1c98e32d-bb7b-43b7-9625-074d6e4ea286",
-    "version": "2.1.5.0",
+    "version": "2.1.7.0",
     "includeClientSideAssets": true,
     "skipFeatureDeployment": false,
     "features": [
@@ -11,7 +11,7 @@
         "title": "Portal Settings",
         "description": "Provisioniert die zentrale Settings-Seite fuer aktive Portal-Erweiterungen.",
         "id": "57bd9daf-48f9-49e2-aebd-11b15a0b5e93",
-        "version": "2.1.5.0",
+        "version": "2.1.7.0",
         "assets": {
           "elementManifests": [
             "elements-v2.xml"
diff --git a/package-lock.json b/package-lock.json
index 6604d34..7b81ea4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "portal-settings",
-  "version": "2.1.5",
+  "version": "2.1.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 32de845..b85751a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "portal-settings",
-  "version": "2.1.5",
+  "version": "2.1.7",
   "private": true,
   "main": "lib/index.js",
   "engines": {
diff --git a/sharepoint/assets/PortalSettings.aspx b/sharepoint/assets/PortalSettings.aspx
index 2ce1151..4bae553 100644
--- a/sharepoint/assets/PortalSettings.aspx
+++ b/sharepoint/assets/PortalSettings.aspx
@@ -15,15 +15,16 @@
 <asp:Content ContentPlaceHolderID="PlaceHolderMain" runat="server">
 <div class="ps-page"><div class="ps-shell"><div id="statusMessage" class="ps-status-host"></div><section class="ps-hero"><div class="ps-eyebrow">Portal Settings</div><h1>Zentrale Verwaltung fuer aktive Portal-Erweiterungen</h1><p>Diese Seite erkennt installierte Einstellungsanbieter automatisch und zeigt nur deren Tabs. Konfigurationen werden in UserCustomActions, Feld-Properties oder im Property Bag des Root Webs gespeichert.</p><div class="ps-hero-actions"><button type="button" class="ps-btn" onclick="openExpiryBindingDialog()">ExpiryIndicator anbinden</button></div></section><section class="ps-metrics"><div class="ps-metric"><label>Aktive Erweiterungen</label><strong id="activeSolutionCount">0</strong></div><div class="ps-metric"><label>Aktiver Tab</label><strong id="activeTabValue">-</strong></div><div class="ps-metric"><label>Site Collection</label><strong id="siteUrlValue">-</strong></div><div class="ps-metric"><label>Erkannte Erweiterungen</label><strong id="detectedSolutionsValue">Keine</strong></div></section><div id="tabsHost" class="ps-tabs" role="tablist" aria-label="Portal Settings Tabs"></div><section id="emptyState" class="ps-empty" hidden>Keine unterstuetzten Erweiterungen wurden aktiv gefunden. Aktuell werden <strong>Custom Branding</strong>, <strong>Mega Menu</strong> und <strong>ExpiryIndicator</strong> unterstuetzt.</section>
 <section id="panel-branding" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>Custom Branding</h2><p>Pflegt die ClientSideComponentProperties des aktiven Custom Branding Application Customizers.</p></div><span id="brandingChip" class="ps-chip">0</span></div><div class="ps-grid"><div class="ps-card ps-span-4"><h3>CSS-Dateien</h3><p>Lokale SiteAssets-Pfade oder externe Stylesheets.</p><div class="ps-meta"><div><label>Component Id</label><strong id="brandingComponentId">-</strong></div><div><label>Registrierung</label><strong id="brandingLocation">-</strong></div></div><label class="ps-label" for="brandingCssPath">Neue CSS-Datei</label><div class="ps-inline"><input type="text" id="brandingCssPath" class="ps-input" placeholder="/sites/root/SiteAssets/custom-branding.css oder https://cdn.example.com/style.css" /><button type="button" class="ps-btn ps-btn-primary" onclick="addBrandingCssFile()">Hinzufuegen</button></div><div id="brandingCssList" class="ps-list"></div></div><div class="ps-card ps-span-4"><h3>Placeholder Top</h3><p>JSON-Array fuer den oberen Placeholder.</p><label class="ps-label" for="brandingTopJson">Top JSON</label><textarea id="brandingTopJson" class="ps-textarea" spellcheck="false"></textarea></div><div class="ps-card ps-span-4"><h3>Placeholder Bottom</h3><p>JSON-Array fuer den unteren Placeholder.</p><label class="ps-label" for="brandingBottomJson">Bottom JSON</label><textarea id="brandingBottomJson" class="ps-textarea" spellcheck="false"></textarea></div><div class="ps-card ps-span-12"><h3>ClientSideComponentProperties Preview</h3><p>Dieses JSON wird direkt in die aktive UserCustomAction fuer Custom Branding geschrieben.</p><pre id="brandingPreview" class="ps-preview"></pre><div class="ps-note"><strong>Schema:</strong> <code>{ cssfiles, placeholdertop: { elements: [] }, placeholderbottom: { elements: [] } }</code></div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="reloadSolutions('branding')">Neu laden</button><button type="button" class="ps-btn ps-btn-quiet" onclick="validateBrandingEditors()">JSON validieren</button><button type="button" class="ps-btn ps-btn-quiet" onclick="formatBrandingEditors()">JSON formatieren</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyBrandingConfig()">Konfiguration anwenden</button></div></div></section>
-<section id="panel-megamenu" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>Mega Menu</h2><p>Pflegt die ClientSideComponentProperties des aktiven Mega Menu Application Customizers.</p></div><span id="megaMenuChip" class="ps-chip">OK</span></div><div class="ps-grid"><div class="ps-card ps-span-6"><h3>Navigation</h3><p>Pflegt Term Set, optionales CSS und Debug-Verhalten.</p><div class="ps-meta"><div><label>Component Id</label><strong id="megaMenuComponentId">-</strong></div><div><label>Registrierung</label><strong id="megaMenuLocation">-</strong></div></div><label class="ps-label" for="megaMenuTermSetName">Term Set Name</label><input type="text" id="megaMenuTermSetName" class="ps-input" placeholder="Global Navigation" /><label class="ps-label" for="megaMenuCssUrl" style="margin-top:16px;">Zusatz-CSS URL</label><input type="text" id="megaMenuCssUrl" class="ps-input" placeholder="/sites/root/SiteAssets/megamenu.css oder leer lassen" /><label class="ps-label" style="margin-top:16px;">Debug-Modus</label><div class="ps-check"><input type="checkbox" id="megaMenuDebug" /><label for="megaMenuDebug" style="margin:0;font-weight:600;">Debug-Ausgaben in der Browser-Konsole aktivieren</label></div></div><div class="ps-card ps-span-6"><h3>ClientSideComponentProperties Preview</h3><p>Dieses JSON wird direkt in die aktive UserCustomAction fuer Mega Menu geschrieben.</p><pre id="megaMenuPreview" class="ps-preview"></pre><div class="ps-note"><strong>Schema:</strong> <code>{ termSetName, cssUrl, debug }</code></div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="reloadSolutions('megamenu')">Neu laden</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyMegaMenuConfig()">Konfiguration anwenden</button></div></div></section>
+<section id="panel-megamenu" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>Mega Menu</h2><p>Pflegt die ClientSideComponentProperties des aktiven Mega Menu Application Customizers.</p></div><span id="megaMenuChip" class="ps-chip">OK</span></div><div class="ps-grid"><div class="ps-card ps-span-6"><h3>Navigation</h3><p>Waehlt das Termset aus dem Default Site Collection Term Store und pflegt Cache sowie Debug-Verhalten. Individuelle Styles werden ueber Custom Branding eingebunden.</p><div class="ps-meta"><div><label>Component Id</label><strong id="megaMenuComponentId">-</strong></div><div><label>Registrierung</label><strong id="megaMenuLocation">-</strong></div></div><input type="hidden" id="megaMenuTermSetId" /><input type="hidden" id="megaMenuTermSetName" /><label class="ps-label">Ausgewaehltes Termset</label><div class="ps-item"><div><strong id="megaMenuSelectedTermSetName">Kein Termset ausgewaehlt</strong><div id="megaMenuSelectedTermSetMeta" class="ps-path">-</div></div><div class="ps-actions"><button type="button" class="ps-btn" onclick="openMegaMenuTermSetDialog()">Auswaehlen</button><button type="button" class="ps-btn ps-btn-quiet" onclick="clearMegaMenuTermSet()">Leeren</button></div></div><label class="ps-label" for="megaMenuCacheMinutes" style="margin-top:16px;">Cache-Dauer in Minuten</label><input type="number" id="megaMenuCacheMinutes" class="ps-input" min="1" max="1440" value="15" /><label class="ps-label" style="margin-top:16px;">Debug-Modus</label><div class="ps-check"><input type="checkbox" id="megaMenuDebug" /><label for="megaMenuDebug" style="margin:0;font-weight:600;">Debug-Ausgaben in der Browser-Konsole aktivieren</label></div></div><div class="ps-card ps-span-6"><h3>ClientSideComponentProperties Preview</h3><p>Dieses JSON wird direkt in die aktive UserCustomAction fuer Mega Menu geschrieben.</p><pre id="megaMenuPreview" class="ps-preview"></pre><div class="ps-note"><strong>Schema:</strong> <code>{ termSetId, termSetName, cacheMinutes, debug }</code></div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="reloadSolutions('megamenu')">Neu laden</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyMegaMenuConfig()">Konfiguration anwenden</button></div></div></section>
 <section id="panel-expiryindicator" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>ExpiryIndicator 2.1</h2><p>Zentrale Standards fuer die Site Collection und lokale Ausnahmen fuer einzelne Listen oder Bibliotheken.</p></div><span id="expiryIndicatorChip" class="ps-chip">V2.1</span></div><div class="ps-grid"><div class="ps-card ps-span-4"><h3>Site-Collection-Standard</h3><p>Gilt im Root Web und in allen Subwebs, sofern eine Bindung auf Vererbung steht.</p><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-quiet" onclick="loadExpirySiteDefaults()">Standard laden</button><button type="button" class="ps-btn ps-btn-primary" onclick="saveExpirySiteDefaults()">Standard speichern</button></div><div class="ps-note"><strong>Speicherort:</strong> Property Bag des Root Webs. Es wird keine Konfigurationsliste verwendet.</div></div><div class="ps-card ps-span-8"><h3>Registrierte Bindungen</h3><p>Listen und Bibliotheken, die per PortalSettings oder Aktivierungsskript registriert wurden.</p><div id="expiryBindingsList" class="ps-list"><div class="ps-list-empty">Keine Bindungen registriert.</div></div><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-quiet" onclick="openExpiryBindingDialog()">Bindung hinzufuegen</button><button type="button" class="ps-btn ps-btn-quiet" onclick="setAllExpiryBindingsToInheritance()">Alle auf Vererbung stellen</button></div></div><div class="ps-card ps-span-4"><h3>Ausgewaehltes Ziel</h3><p>Web, Liste und interner Name des gebundenen Ablaufdatumsfeldes.</p><label class="ps-label" for="expiryWebUrl" style="margin-top:16px;">Web URL</label><input type="text" id="expiryWebUrl" class="ps-input" /><label class="ps-label" for="expiryListTitle" style="margin-top:16px;">Listentitel</label><input type="text" id="expiryListTitle" class="ps-input" placeholder="Dokumente" /><label class="ps-label" for="expiryFieldName" style="margin-top:16px;">Interner Feldname</label><input type="text" id="expiryFieldName" class="ps-input" placeholder="ExpiryDate" /><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-primary" onclick="loadExpiryIndicatorConfig()">Lokale Konfiguration laden</button><button type="button" class="ps-btn ps-btn-quiet" onclick="setSelectedExpiryBindingToInheritance()">Standard erben</button></div></div><div class="ps-card ps-span-8"><h3>Konfigurationseditor</h3><p>Unterstuetzt V1-Regeln sowie verschachtelte V2-<code>condition</code>-Gruppen mit <code>and</code>/<code>or</code>.</p><textarea id="expiryIndicatorJson" class="ps-textarea" style="min-height:430px" spellcheck="false"></textarea><div class="ps-note"><strong>Prioritaet:</strong> lokale Feldkonfiguration &gt; Subweb-Override &gt; Site-Collection-Standard &gt; eingebauter Standard.</div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="validateExpiryIndicatorConfig()">JSON validieren</button><button type="button" class="ps-btn ps-btn-quiet" onclick="formatExpiryIndicatorConfig()">JSON formatieren</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyExpiryIndicatorConfig()">Als lokale Ausnahme speichern</button></div></div></section>
 <div id="expiryBindingDialog" class="ps-modal-backdrop" hidden><div class="ps-modal" role="dialog" aria-modal="true" aria-labelledby="expiryBindingDialogTitle"><h2 id="expiryBindingDialogTitle">ExpiryIndicator anbinden</h2><p>Verbindet ein bereits vorhandenes Datumsfeld mit dem Field Customizer und registriert die Liste zentral.</p><div id="bindExpiryStatus"></div><label class="ps-label" for="bindExpiryWebUrl">Web URL</label><input type="text" id="bindExpiryWebUrl" class="ps-input" /><label class="ps-label" for="bindExpiryListTitle" style="margin-top:16px;">Listentitel</label><input type="text" id="bindExpiryListTitle" class="ps-input" placeholder="Documents" /><label class="ps-label" for="bindExpiryFieldName" style="margin-top:16px;">Interner Name des vorhandenen Datumsfeldes</label><input type="text" id="bindExpiryFieldName" class="ps-input" placeholder="ExpiryDate" /><div class="ps-check" style="margin-top:14px;"><input type="checkbox" id="bindExpiryClassic" checked="checked" /><label for="bindExpiryClassic" style="margin:0;font-weight:600;">Classic ScriptLink und Ribbon-Befehl registrieren</label></div><div class="ps-note">Die Solution legt keine Spalte an. Bei bereits vorhandener lokaler Konfiguration bleiben die Component Properties erhalten.</div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="closeExpiryBindingDialog()">Abbrechen</button><button type="button" id="bindExpirySubmit" class="ps-btn ps-btn-primary" onclick="bindExpiryIndicatorFromDialog()">Bindung anlegen</button></div></div></div>
+<div id="megaMenuTermSetDialog" class="ps-modal-backdrop" hidden><div class="ps-modal" role="dialog" aria-modal="true" aria-labelledby="megaMenuTermSetDialogTitle"><h2 id="megaMenuTermSetDialogTitle">Termset auswaehlen</h2><p>Termsets aus dem Default Site Collection Term Store.</p><div id="megaMenuTermSetStatus"></div><label class="ps-label" for="megaMenuTermSetSearch">Suche</label><input type="text" id="megaMenuTermSetSearch" class="ps-input" placeholder="Gruppe oder Termset" oninput="renderMegaMenuTermSets()" /><div id="megaMenuTermSetList" style="max-height:420px;overflow:auto;margin-top:16px;"></div><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-quiet" onclick="closeMegaMenuTermSetDialog()">Abbrechen</button></div></div></div>
 <script type="text/javascript">
 var CUSTOM_SOLUTION_TAG='MSFT-Custom-Solution';var EXPIRY_FIELD_COMPONENT_ID='a555f4fc-d6a6-4421-8189-457449d9bbde';var EXPIRY_DESCRIPTOR_PROPERTY='PortalSettings.Solutions.ExpiryIndicator';var EXPIRY_DEFAULTS_PROPERTY='PortalSettings.ExpiryIndicator.Defaults';var EXPIRY_BINDINGS_PROPERTY='PortalSettings.ExpiryIndicator.Bindings';var SUPPORTED_SOLUTIONS={branding:{key:'branding',label:'Custom Branding',componentId:'035ba968-6488-4d42-86b3-0470ffcc95b9',panelId:'panel-branding',descriptionTag:'MSFT-Custom-Solution:CustomBranding',providerType:'applicationCustomizer'},megamenu:{key:'megamenu',label:'Mega Menu',componentId:'abc3361f-bb2d-491f-aba3-cd51c19a299b',panelId:'panel-megamenu',descriptionTag:'MSFT-Custom-Solution:MegaMenu',providerType:'applicationCustomizer'},expiryindicator:{key:'expiryindicator',label:'ExpiryIndicator',componentId:EXPIRY_FIELD_COMPONENT_ID,panelId:'panel-expiryindicator',providerType:'rootPropertyBag'}};
-var state={booted:false,activeKey:'',solutions:{}};
+var state={booted:false,activeKey:'',solutions:{},megaMenuTermSets:[],megaMenuTermSetsLoaded:false};
 document.addEventListener('DOMContentLoaded',function(){bootPage();});
 function bootPage(){if(state.booted){return;}if(window.SP&&SP.ClientContext){state.booted=true;bindPage();reloadSolutions();return;}window.setTimeout(bootPage,150);}
-function bindPage(){document.getElementById('siteUrlValue').textContent=getSiteUrl();document.getElementById('expiryWebUrl').value=getWebUrl();document.getElementById('expiryIndicatorJson').value=JSON.stringify(defaultExpiryIndicatorConfig('ExpiryDate'),null,2);document.getElementById('brandingCssPath').addEventListener('keypress',function(event){if(event.key==='Enter'){event.preventDefault();addBrandingCssFile();}});document.getElementById('brandingTopJson').addEventListener('input',updateBrandingPreview);document.getElementById('brandingBottomJson').addEventListener('input',updateBrandingPreview);document.getElementById('megaMenuTermSetName').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuCssUrl').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuDebug').addEventListener('change',updateMegaMenuPreview);}
+function bindPage(){document.getElementById('siteUrlValue').textContent=getSiteUrl();document.getElementById('expiryWebUrl').value=getWebUrl();document.getElementById('expiryIndicatorJson').value=JSON.stringify(defaultExpiryIndicatorConfig('ExpiryDate'),null,2);document.getElementById('brandingCssPath').addEventListener('keypress',function(event){if(event.key==='Enter'){event.preventDefault();addBrandingCssFile();}});document.getElementById('brandingTopJson').addEventListener('input',updateBrandingPreview);document.getElementById('brandingBottomJson').addEventListener('input',updateBrandingPreview);document.getElementById('megaMenuTermSetId').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuTermSetName').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuCacheMinutes').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuDebug').addEventListener('change',updateMegaMenuPreview);}
 function reloadSolutions(preferredKey){showStatus('Lade aktive Einstellungsanbieter...','info',true);state.solutions={};loadSolutionsSequentially(Object.keys(SUPPORTED_SOLUTIONS),0,preferredKey||state.activeKey,[],[],function(labels,errors,preferred){var keys=getAvailableSolutionKeys();if(!keys.length){state.activeKey='';renderTabs();renderPanels();updateOverview();showStatus('Keine unterstuetzten Erweiterungen wurden aktiv registriert gefunden.','warning',true);return;}state.activeKey=preferred&&state.solutions[preferred]?preferred:keys[0];hydratePanels();renderTabs();renderPanels();updateOverview();var message='Aktive Erweiterungen geladen: '+labels.join(', ')+'.';if(errors.length){showStatus(message+' Hinweise: '+errors.join(' | '),'warning',true);return;}showStatus(message,'success');});}
 function loadSolutionsSequentially(keys,index,preferred,labels,errors,done){if(index>=keys.length){done(labels,errors,preferred);return;}var key=keys[index];var definition=SUPPORTED_SOLUTIONS[key];if(definition.providerType==='rootPropertyBag'){readExpiryProviderInfo(function(info){if(info){state.solutions[key]={definition:definition,info:info,config:info.siteDefaults};labels.push(definition.label);}loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);},function(message){errors.push(definition.label+': '+message);loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);});return;}readCustomizerActionInfo(definition,function(info){if(info&&info.action){state.solutions[key]={definition:definition,info:info,config:parseSolutionConfig(key,info.action.ClientSideComponentProperties)};labels.push(definition.label);}loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);},function(message){errors.push(definition.label+': '+message);loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);});}
 function hydratePanels(){if(state.solutions.branding){populateBrandingPanel(state.solutions.branding);}if(state.solutions.megamenu){populateMegaMenuPanel(state.solutions.megamenu);}if(state.solutions.expiryindicator){renderExpiryBindings();}}
@@ -40,10 +41,20 @@ function validateBrandingEditors(){try{state.solutions.branding.config=normalize
 function formatBrandingEditors(){try{state.solutions.branding.config=normalizeBrandingConfig(buildBrandingConfig());document.getElementById('brandingTopJson').value=JSON.stringify(state.solutions.branding.config.placeholdertop.elements,null,2);document.getElementById('brandingBottomJson').value=JSON.stringify(state.solutions.branding.config.placeholderbottom.elements,null,2);updateBrandingPreview();showStatus('Custom Branding JSON wurde formatiert.','success');}catch(error){showStatus(error.message,'error');}}
 function updateBrandingPreview(){var preview=document.getElementById('brandingPreview');try{var config=buildBrandingConfig();preview.textContent=JSON.stringify(config,null,2);document.getElementById('brandingChip').textContent=String(config.cssfiles.length);}catch(error){preview.textContent='Fehler: '+error.message;}}
 function applyBrandingConfig(){try{var config=buildBrandingConfig();showStatus('Aktualisiere Custom Branding...','info',true);updateSolutionAction('branding',config,function(){state.solutions.branding.config=normalizeBrandingConfig(config);populateBrandingPanel(state.solutions.branding);showStatus('Custom Branding wurde erfolgreich aktualisiert.','success');},function(message){showStatus('Custom Branding konnte nicht aktualisiert werden: '+message,'error',true);});}catch(error){showStatus(error.message,'error');}}
-function populateMegaMenuPanel(solution){document.getElementById('megaMenuComponentId').textContent=solution.definition.componentId;document.getElementById('megaMenuLocation').textContent=getActionLocationText(solution.info);document.getElementById('megaMenuTermSetName').value=solution.config.termSetName||'';document.getElementById('megaMenuCssUrl').value=solution.config.cssUrl||'';document.getElementById('megaMenuDebug').checked=solution.config.debug===true;updateMegaMenuPreview();}
-function buildMegaMenuConfig(){var solution=state.solutions.megamenu;if(!solution){throw new Error('Mega Menu ist aktuell nicht aktiv konfiguriert.');}var termSetName=document.getElementById('megaMenuTermSetName').value.trim();return{termSetName:termSetName,cssUrl:document.getElementById('megaMenuCssUrl').value.trim(),debug:document.getElementById('megaMenuDebug').checked===true};}
+function populateMegaMenuPanel(solution){document.getElementById('megaMenuComponentId').textContent=solution.definition.componentId;document.getElementById('megaMenuLocation').textContent=getActionLocationText(solution.info);document.getElementById('megaMenuTermSetId').value=solution.config.termSetId||'';document.getElementById('megaMenuTermSetName').value=solution.config.termSetName||'';document.getElementById('megaMenuCacheMinutes').value=String(solution.config.cacheMinutes||15);document.getElementById('megaMenuDebug').checked=solution.config.debug===true;updateMegaMenuSelectedTermSet();updateMegaMenuPreview();}
+function buildMegaMenuConfig(){var solution=state.solutions.megamenu;if(!solution){throw new Error('Mega Menu ist aktuell nicht aktiv konfiguriert.');}var termSetId=document.getElementById('megaMenuTermSetId').value.trim();var termSetName=document.getElementById('megaMenuTermSetName').value.trim();var cacheMinutes=Number(document.getElementById('megaMenuCacheMinutes').value);if(termSetId&&!/^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test(termSetId)){throw new Error('Die Term Set ID ist keine gueltige GUID.');}if(!termSetId&&!termSetName){throw new Error('Bitte eine Term Set ID oder einen Term Set Name angeben.');}if(!isFinite(cacheMinutes)||cacheMinutes<1||cacheMinutes>1440){throw new Error('Die Cache-Dauer muss zwischen 1 und 1440 Minuten liegen.');}return{termSetId:termSetId,termSetName:termSetName,cacheMinutes:Math.floor(cacheMinutes),debug:document.getElementById('megaMenuDebug').checked===true};}
 function updateMegaMenuPreview(){var preview=document.getElementById('megaMenuPreview');try{var config=buildMegaMenuConfig();preview.textContent=JSON.stringify(config,null,2);document.getElementById('megaMenuChip').textContent=config.debug?'DBG':'OK';}catch(error){preview.textContent='Fehler: '+error.message;document.getElementById('megaMenuChip').textContent='!';}}
 function applyMegaMenuConfig(){try{var config=buildMegaMenuConfig();showStatus('Aktualisiere Mega Menu...','info',true);updateSolutionAction('megamenu',config,function(){state.solutions.megamenu.config=normalizeMegaMenuConfig(config);populateMegaMenuPanel(state.solutions.megamenu);showStatus('Mega Menu wurde erfolgreich aktualisiert.','success');},function(message){showStatus('Mega Menu konnte nicht aktualisiert werden: '+message,'error',true);});}catch(error){showStatus(error.message,'error');}}
+function updateMegaMenuSelectedTermSet(){var id=document.getElementById('megaMenuTermSetId').value.trim();var name=document.getElementById('megaMenuTermSetName').value.trim();document.getElementById('megaMenuSelectedTermSetName').textContent=name||'Kein Termset ausgewaehlt';document.getElementById('megaMenuSelectedTermSetMeta').textContent=id||'-';}
+function clearMegaMenuTermSet(){document.getElementById('megaMenuTermSetId').value='';document.getElementById('megaMenuTermSetName').value='';updateMegaMenuSelectedTermSet();updateMegaMenuPreview();}
+function openMegaMenuTermSetDialog(){document.getElementById('megaMenuTermSetDialog').hidden=false;document.getElementById('megaMenuTermSetSearch').value='';document.getElementById('megaMenuTermSetList').innerHTML='';setMegaMenuTermSetStatus('Lade Termsets...','info');if(state.megaMenuTermSetsLoaded){setMegaMenuTermSetStatus('','info');renderMegaMenuTermSets();window.setTimeout(function(){document.getElementById('megaMenuTermSetSearch').focus();},0);return;}loadMegaMenuTermSets();}
+function closeMegaMenuTermSetDialog(){document.getElementById('megaMenuTermSetDialog').hidden=true;}
+function setMegaMenuTermSetStatus(message,type){var host=document.getElementById('megaMenuTermSetStatus');host.innerHTML=message?'<div class="ps-status ps-status-'+type+'">'+escapeHtml(message)+'</div>':'';}
+function loadMegaMenuTermSets(){var requestXml='<Request AddExpandoFieldTypeSuffix="true" SchemaVersion="15.0.0.0" LibraryVersion="16.0.0.0" ApplicationName="PortalSettings" xmlns="http://schemas.microsoft.com/sharepoint/clientquery/2009"><Actions><ObjectPath Id="2" ObjectPathId="1" /><ObjectIdentityQuery Id="3" ObjectPathId="1" /><ObjectPath Id="5" ObjectPathId="4" /><ObjectIdentityQuery Id="6" ObjectPathId="4" /><Query Id="7" ObjectPathId="4"><Query SelectAllProperties="false"><Properties><Property Name="Id" ScalarProperty="true" /><Property Name="Name" ScalarProperty="true" /><Property Name="Groups"><Query SelectAllProperties="false"><Properties /></Query><ChildItemQuery SelectAllProperties="false"><Properties><Property Name="Name" ScalarProperty="true" /><Property Name="Id" ScalarProperty="true" /><Property Name="IsSystemGroup" ScalarProperty="true" /><Property Name="TermSets"><Query SelectAllProperties="false"><Properties /></Query><ChildItemQuery SelectAllProperties="false"><Properties><Property Name="Name" ScalarProperty="true" /><Property Name="Id" ScalarProperty="true" /><Property Name="Description" ScalarProperty="true" /></Properties></ChildItemQuery></Property></Properties></ChildItemQuery></Property></Properties></Query></Query></Actions><ObjectPaths><StaticMethod Id="1" Name="GetTaxonomySession" TypeId="{981cbc68-9edc-4f8d-872f-71146fcbb84f}" /><Method Id="4" ParentId="1" Name="GetDefaultSiteCollectionTermStore" /></ObjectPaths></Request>';try{var request=new XMLHttpRequest();request.open('POST',getSiteUrl().replace(/\/$/,'')+'/_vti_bin/client.svc/ProcessQuery',true);request.setRequestHeader('Accept','application/json');request.setRequestHeader('Content-Type','application/xml');var digest=getRequestDigest();if(digest){request.setRequestHeader('X-RequestDigest',digest);}request.onreadystatechange=function(){if(request.readyState!==4){return;}if(request.status<200||request.status>=300){setMegaMenuTermSetStatus('Termsets konnten nicht geladen werden: '+buildRequestErrorMessage(request),'error');return;}try{var payload=JSON.parse(request.responseText||'[]');var errorInfo=payload&&payload.length?payload[0]:null;if(errorInfo&&errorInfo.ErrorInfo){throw new Error(errorInfo.ErrorInfo.ErrorMessage||'Taxonomy-Abfrage fehlgeschlagen.');}state.megaMenuTermSets=parseMegaMenuTermSets(payload);state.megaMenuTermSetsLoaded=true;setMegaMenuTermSetStatus(state.megaMenuTermSets.length?'':'Keine lesbaren Termsets gefunden.',state.megaMenuTermSets.length?'info':'warning');renderMegaMenuTermSets();window.setTimeout(function(){document.getElementById('megaMenuTermSetSearch').focus();},0);}catch(error){setMegaMenuTermSetStatus('Termsets konnten nicht gelesen werden: '+(error.message||String(error)),'error');}};request.onerror=function(){setMegaMenuTermSetStatus('Netzwerkfehler beim Laden der Termsets.','error');};request.send(requestXml);}catch(error){setMegaMenuTermSetStatus(error.message||String(error),'error');}}
+function parseMegaMenuTermSets(payload){var result=[];if(!Array.isArray(payload)){return result;}var store=null;for(var i=0;i<payload.length;i++){if(payload[i]&&payload[i]._ObjectType_==='SP.Taxonomy.TermStore'){store=payload[i];break;}}var groups=store&&store.Groups&&Array.isArray(store.Groups._Child_Items_)?store.Groups._Child_Items_:[];for(var g=0;g<groups.length;g++){var group=groups[g];if(!group||group.IsSystemGroup===true){continue;}var sets=group.TermSets&&Array.isArray(group.TermSets._Child_Items_)?group.TermSets._Child_Items_:[];for(var s=0;s<sets.length;s++){var termSet=sets[s];if(!termSet){continue;}var id=cleanTaxonomyGuid(termSet.Id);if(id){result.push({id:id,name:termSet.Name||id,groupName:group.Name||'Ohne Gruppe',description:termSet.Description||''});}}}result.sort(function(left,right){var a=(left.groupName+' '+left.name).toLowerCase();var b=(right.groupName+' '+right.name).toLowerCase();return a<b?-1:(a>b?1:0);});return result;}
+function cleanTaxonomyGuid(value){return String(value||'').replace('/Guid(','').replace(')/','').replace(')','').replace(/[{}]/g,'').toLowerCase();}
+function renderMegaMenuTermSets(){var host=document.getElementById('megaMenuTermSetList');var search=document.getElementById('megaMenuTermSetSearch').value.trim().toLowerCase();var html='';for(var i=0;i<state.megaMenuTermSets.length;i++){var item=state.megaMenuTermSets[i];var haystack=(item.groupName+' '+item.name+' '+item.description+' '+item.id).toLowerCase();if(search&&haystack.indexOf(search)===-1){continue;}html+='<div class="ps-item"><div><strong>'+escapeHtml(item.name)+'</strong><div class="ps-path">'+escapeHtml(item.groupName)+' | '+escapeHtml(item.id)+'</div>'+(item.description?'<div>'+escapeHtml(item.description)+'</div>':'')+'</div><button type="button" class="ps-btn" onclick="selectMegaMenuTermSet('+i+')">Auswaehlen</button></div>'; }host.innerHTML=html||'<div class="ps-list-empty">Keine passenden Termsets gefunden.</div>';}
+function selectMegaMenuTermSet(index){var item=state.megaMenuTermSets[index];if(!item){return;}document.getElementById('megaMenuTermSetId').value=item.id;document.getElementById('megaMenuTermSetName').value=item.name;updateMegaMenuSelectedTermSet();updateMegaMenuPreview();closeMegaMenuTermSetDialog();showStatus('Termset ausgewaehlt: '+item.name+'.','success');}
 function defaultExpiryIndicatorConfig(expiryField){return{baseField:'Created',expiryField:expiryField||'ExpiryDate',default:{lifeTime:{value:2,unit:'years'},columnRule:[{daysUntilExpiry:0,operator:'lessOrEqual',backgroundColor:'#a4262c',textColor:'#ffffff',label:'Abgelaufen'},{daysUntilExpiry:30,operator:'lessOrEqual',backgroundColor:'#ffaa44',textColor:'#000000',label:'Laeuft bald ab'},{daysUntilExpiry:90,operator:'lessOrEqual',backgroundColor:'#fff4ce',textColor:'#000000',label:'Beobachten'}]},rules:[],nullText:'Kein Ablaufdatum',confirmExtension:true};}
 function openExpiryBindingDialog(){document.getElementById('bindExpiryWebUrl').value=getWebUrl();document.getElementById('bindExpiryListTitle').value='';document.getElementById('bindExpiryFieldName').value='ExpiryDate';document.getElementById('bindExpiryStatus').innerHTML='';document.getElementById('bindExpirySubmit').disabled=false;document.getElementById('expiryBindingDialog').hidden=false;window.setTimeout(function(){document.getElementById('bindExpiryListTitle').focus();},0);}
 function closeExpiryBindingDialog(){document.getElementById('expiryBindingDialog').hidden=true;}
@@ -75,7 +86,7 @@ function formatExpiryIndicatorConfig(){try{var config=parseExpiryIndicatorEditor
 function applyExpiryIndicatorConfig(){var solution=state.solutions.expiryindicator;var selected=solution&&solution.info?solution.info.selected:null;if(!selected){showStatus('Bitte zuerst eine lokale ExpiryIndicator-Konfiguration laden.','warning',true);return;}var config;try{config=parseExpiryIndicatorEditor();}catch(error){showStatus(error.message,'error',true);return;}config.expiryField=selected.field.InternalName;var payload={__metadata:{type:selected.actionType},ClientSideComponentProperties:JSON.stringify(config)};showStatus('Aktualisiere lokale ExpiryIndicator-Ausnahme...','info',true);postJsonMerge(selected.updateUrl,payload,function(){solution.config=config;document.getElementById('expiryIndicatorJson').value=JSON.stringify(config,null,2);document.getElementById('expiryIndicatorChip').textContent='LOKAL';showStatus('Lokale ExpiryIndicator-Konfiguration wurde erfolgreich aktualisiert.','success');},function(message){showStatus('ExpiryIndicator konnte nicht aktualisiert werden: '+message,'error',true);});}
 function parseSolutionConfig(key,rawValue){var parsed={};if(typeof rawValue==='string'&&rawValue.trim().length>0){try{parsed=JSON.parse(rawValue);}catch(error){parsed={};}}if(key==='branding'){return normalizeBrandingConfig(parsed);}if(key==='megamenu'){return normalizeMegaMenuConfig(parsed);}return parsed||{};}
 function normalizeBrandingConfig(config){var normalized={cssfiles:[],placeholdertop:{elements:[]},placeholderbottom:{elements:[]}};if(config&&Array.isArray(config.cssfiles)){normalized.cssfiles=config.cssfiles.filter(function(item){return item&&typeof item.path==='string'&&item.path.trim().length>0;}).map(function(item){return{path:item.path.trim()};});}if(config&&config.placeholdertop&&Array.isArray(config.placeholdertop.elements)){normalized.placeholdertop.elements=config.placeholdertop.elements;}else if(config&&Array.isArray(config.elements)){normalized.placeholdertop.elements=config.elements;}if(config&&config.placeholderbottom&&Array.isArray(config.placeholderbottom.elements)){normalized.placeholderbottom.elements=config.placeholderbottom.elements;}return normalized;}
-function normalizeMegaMenuConfig(config){return{termSetName:config&&typeof config.termSetName==='string'?config.termSetName.trim():'',cssUrl:config&&typeof config.cssUrl==='string'?config.cssUrl.trim():'',debug:!!(config&&config.debug===true)};}
+function normalizeMegaMenuConfig(config){var cacheMinutes=config?Number(config.cacheMinutes):15;return{termSetId:config&&typeof config.termSetId==='string'?config.termSetId.trim():'',termSetName:config&&typeof config.termSetName==='string'?config.termSetName.trim():'',cacheMinutes:isFinite(cacheMinutes)?Math.min(Math.max(Math.floor(cacheMinutes),1),1440):15,debug:!!(config&&config.debug===true)};}
 function parseJsonArray(textareaId,label){var textarea=document.getElementById(textareaId);var rawValue=textarea.value.trim();if(!rawValue){return [];}var parsedValue;try{parsedValue=JSON.parse(rawValue);}catch(error){throw new Error(label+' enthaelt kein gueltiges JSON: '+error.message);}if(!Array.isArray(parsedValue)){throw new Error(label+' muss ein JSON-Array sein.');}return parsedValue;}
 function updateSolutionAction(key,config,onSuccess,onError){var solution=state.solutions[key];if(!solution||!solution.info||!solution.info.action){onError('Die passende UserCustomAction wurde nicht gefunden.');return;}var actionId=solution.info.action.Id;if(!actionId){onError('Die UserCustomAction hat keine gueltige Id.');return;}var updateUrl=solution.info.updateBaseUrl+'(guid\''+actionId+'\')';var payload={__metadata:{type:solution.info.actionType||'SP.UserCustomAction'},ClientSideComponentProperties:JSON.stringify(config)};postJsonMerge(updateUrl,payload,onSuccess,onError);}
 function readCustomizerActionInfo(definition,onSuccess,onError){var baseSiteUrl=getSiteUrl().replace(/\/$/,'');var endpoints=[{scopeLabel:'Site Collection',readUrl:baseSiteUrl+'/_api/site/UserCustomActions',updateBaseUrl:baseSiteUrl+'/_api/site/UserCustomActions'},{scopeLabel:'Web',readUrl:baseSiteUrl+'/_api/site/rootweb/UserCustomActions',updateBaseUrl:baseSiteUrl+'/_api/site/rootweb/UserCustomActions'}];readCustomizerActionInfoFromEndpoints(definition,endpoints,0,[],onSuccess,onError);}
diff --git a/src/assets/PortalSettings.aspx b/src/assets/PortalSettings.aspx
index 2ce1151..4bae553 100644
--- a/src/assets/PortalSettings.aspx
+++ b/src/assets/PortalSettings.aspx
@@ -15,15 +15,16 @@
 <asp:Content ContentPlaceHolderID="PlaceHolderMain" runat="server">
 <div class="ps-page"><div class="ps-shell"><div id="statusMessage" class="ps-status-host"></div><section class="ps-hero"><div class="ps-eyebrow">Portal Settings</div><h1>Zentrale Verwaltung fuer aktive Portal-Erweiterungen</h1><p>Diese Seite erkennt installierte Einstellungsanbieter automatisch und zeigt nur deren Tabs. Konfigurationen werden in UserCustomActions, Feld-Properties oder im Property Bag des Root Webs gespeichert.</p><div class="ps-hero-actions"><button type="button" class="ps-btn" onclick="openExpiryBindingDialog()">ExpiryIndicator anbinden</button></div></section><section class="ps-metrics"><div class="ps-metric"><label>Aktive Erweiterungen</label><strong id="activeSolutionCount">0</strong></div><div class="ps-metric"><label>Aktiver Tab</label><strong id="activeTabValue">-</strong></div><div class="ps-metric"><label>Site Collection</label><strong id="siteUrlValue">-</strong></div><div class="ps-metric"><label>Erkannte Erweiterungen</label><strong id="detectedSolutionsValue">Keine</strong></div></section><div id="tabsHost" class="ps-tabs" role="tablist" aria-label="Portal Settings Tabs"></div><section id="emptyState" class="ps-empty" hidden>Keine unterstuetzten Erweiterungen wurden aktiv gefunden. Aktuell werden <strong>Custom Branding</strong>, <strong>Mega Menu</strong> und <strong>ExpiryIndicator</strong> unterstuetzt.</section>
 <section id="panel-branding" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>Custom Branding</h2><p>Pflegt die ClientSideComponentProperties des aktiven Custom Branding Application Customizers.</p></div><span id="brandingChip" class="ps-chip">0</span></div><div class="ps-grid"><div class="ps-card ps-span-4"><h3>CSS-Dateien</h3><p>Lokale SiteAssets-Pfade oder externe Stylesheets.</p><div class="ps-meta"><div><label>Component Id</label><strong id="brandingComponentId">-</strong></div><div><label>Registrierung</label><strong id="brandingLocation">-</strong></div></div><label class="ps-label" for="brandingCssPath">Neue CSS-Datei</label><div class="ps-inline"><input type="text" id="brandingCssPath" class="ps-input" placeholder="/sites/root/SiteAssets/custom-branding.css oder https://cdn.example.com/style.css" /><button type="button" class="ps-btn ps-btn-primary" onclick="addBrandingCssFile()">Hinzufuegen</button></div><div id="brandingCssList" class="ps-list"></div></div><div class="ps-card ps-span-4"><h3>Placeholder Top</h3><p>JSON-Array fuer den oberen Placeholder.</p><label class="ps-label" for="brandingTopJson">Top JSON</label><textarea id="brandingTopJson" class="ps-textarea" spellcheck="false"></textarea></div><div class="ps-card ps-span-4"><h3>Placeholder Bottom</h3><p>JSON-Array fuer den unteren Placeholder.</p><label class="ps-label" for="brandingBottomJson">Bottom JSON</label><textarea id="brandingBottomJson" class="ps-textarea" spellcheck="false"></textarea></div><div class="ps-card ps-span-12"><h3>ClientSideComponentProperties Preview</h3><p>Dieses JSON wird direkt in die aktive UserCustomAction fuer Custom Branding geschrieben.</p><pre id="brandingPreview" class="ps-preview"></pre><div class="ps-note"><strong>Schema:</strong> <code>{ cssfiles, placeholdertop: { elements: [] }, placeholderbottom: { elements: [] } }</code></div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="reloadSolutions('branding')">Neu laden</button><button type="button" class="ps-btn ps-btn-quiet" onclick="validateBrandingEditors()">JSON validieren</button><button type="button" class="ps-btn ps-btn-quiet" onclick="formatBrandingEditors()">JSON formatieren</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyBrandingConfig()">Konfiguration anwenden</button></div></div></section>
-<section id="panel-megamenu" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>Mega Menu</h2><p>Pflegt die ClientSideComponentProperties des aktiven Mega Menu Application Customizers.</p></div><span id="megaMenuChip" class="ps-chip">OK</span></div><div class="ps-grid"><div class="ps-card ps-span-6"><h3>Navigation</h3><p>Pflegt Term Set, optionales CSS und Debug-Verhalten.</p><div class="ps-meta"><div><label>Component Id</label><strong id="megaMenuComponentId">-</strong></div><div><label>Registrierung</label><strong id="megaMenuLocation">-</strong></div></div><label class="ps-label" for="megaMenuTermSetName">Term Set Name</label><input type="text" id="megaMenuTermSetName" class="ps-input" placeholder="Global Navigation" /><label class="ps-label" for="megaMenuCssUrl" style="margin-top:16px;">Zusatz-CSS URL</label><input type="text" id="megaMenuCssUrl" class="ps-input" placeholder="/sites/root/SiteAssets/megamenu.css oder leer lassen" /><label class="ps-label" style="margin-top:16px;">Debug-Modus</label><div class="ps-check"><input type="checkbox" id="megaMenuDebug" /><label for="megaMenuDebug" style="margin:0;font-weight:600;">Debug-Ausgaben in der Browser-Konsole aktivieren</label></div></div><div class="ps-card ps-span-6"><h3>ClientSideComponentProperties Preview</h3><p>Dieses JSON wird direkt in die aktive UserCustomAction fuer Mega Menu geschrieben.</p><pre id="megaMenuPreview" class="ps-preview"></pre><div class="ps-note"><strong>Schema:</strong> <code>{ termSetName, cssUrl, debug }</code></div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="reloadSolutions('megamenu')">Neu laden</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyMegaMenuConfig()">Konfiguration anwenden</button></div></div></section>
+<section id="panel-megamenu" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>Mega Menu</h2><p>Pflegt die ClientSideComponentProperties des aktiven Mega Menu Application Customizers.</p></div><span id="megaMenuChip" class="ps-chip">OK</span></div><div class="ps-grid"><div class="ps-card ps-span-6"><h3>Navigation</h3><p>Waehlt das Termset aus dem Default Site Collection Term Store und pflegt Cache sowie Debug-Verhalten. Individuelle Styles werden ueber Custom Branding eingebunden.</p><div class="ps-meta"><div><label>Component Id</label><strong id="megaMenuComponentId">-</strong></div><div><label>Registrierung</label><strong id="megaMenuLocation">-</strong></div></div><input type="hidden" id="megaMenuTermSetId" /><input type="hidden" id="megaMenuTermSetName" /><label class="ps-label">Ausgewaehltes Termset</label><div class="ps-item"><div><strong id="megaMenuSelectedTermSetName">Kein Termset ausgewaehlt</strong><div id="megaMenuSelectedTermSetMeta" class="ps-path">-</div></div><div class="ps-actions"><button type="button" class="ps-btn" onclick="openMegaMenuTermSetDialog()">Auswaehlen</button><button type="button" class="ps-btn ps-btn-quiet" onclick="clearMegaMenuTermSet()">Leeren</button></div></div><label class="ps-label" for="megaMenuCacheMinutes" style="margin-top:16px;">Cache-Dauer in Minuten</label><input type="number" id="megaMenuCacheMinutes" class="ps-input" min="1" max="1440" value="15" /><label class="ps-label" style="margin-top:16px;">Debug-Modus</label><div class="ps-check"><input type="checkbox" id="megaMenuDebug" /><label for="megaMenuDebug" style="margin:0;font-weight:600;">Debug-Ausgaben in der Browser-Konsole aktivieren</label></div></div><div class="ps-card ps-span-6"><h3>ClientSideComponentProperties Preview</h3><p>Dieses JSON wird direkt in die aktive UserCustomAction fuer Mega Menu geschrieben.</p><pre id="megaMenuPreview" class="ps-preview"></pre><div class="ps-note"><strong>Schema:</strong> <code>{ termSetId, termSetName, cacheMinutes, debug }</code></div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="reloadSolutions('megamenu')">Neu laden</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyMegaMenuConfig()">Konfiguration anwenden</button></div></div></section>
 <section id="panel-expiryindicator" class="ps-panel" hidden><div class="ps-panel-head"><div><h2>ExpiryIndicator 2.1</h2><p>Zentrale Standards fuer die Site Collection und lokale Ausnahmen fuer einzelne Listen oder Bibliotheken.</p></div><span id="expiryIndicatorChip" class="ps-chip">V2.1</span></div><div class="ps-grid"><div class="ps-card ps-span-4"><h3>Site-Collection-Standard</h3><p>Gilt im Root Web und in allen Subwebs, sofern eine Bindung auf Vererbung steht.</p><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-quiet" onclick="loadExpirySiteDefaults()">Standard laden</button><button type="button" class="ps-btn ps-btn-primary" onclick="saveExpirySiteDefaults()">Standard speichern</button></div><div class="ps-note"><strong>Speicherort:</strong> Property Bag des Root Webs. Es wird keine Konfigurationsliste verwendet.</div></div><div class="ps-card ps-span-8"><h3>Registrierte Bindungen</h3><p>Listen und Bibliotheken, die per PortalSettings oder Aktivierungsskript registriert wurden.</p><div id="expiryBindingsList" class="ps-list"><div class="ps-list-empty">Keine Bindungen registriert.</div></div><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-quiet" onclick="openExpiryBindingDialog()">Bindung hinzufuegen</button><button type="button" class="ps-btn ps-btn-quiet" onclick="setAllExpiryBindingsToInheritance()">Alle auf Vererbung stellen</button></div></div><div class="ps-card ps-span-4"><h3>Ausgewaehltes Ziel</h3><p>Web, Liste und interner Name des gebundenen Ablaufdatumsfeldes.</p><label class="ps-label" for="expiryWebUrl" style="margin-top:16px;">Web URL</label><input type="text" id="expiryWebUrl" class="ps-input" /><label class="ps-label" for="expiryListTitle" style="margin-top:16px;">Listentitel</label><input type="text" id="expiryListTitle" class="ps-input" placeholder="Dokumente" /><label class="ps-label" for="expiryFieldName" style="margin-top:16px;">Interner Feldname</label><input type="text" id="expiryFieldName" class="ps-input" placeholder="ExpiryDate" /><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-primary" onclick="loadExpiryIndicatorConfig()">Lokale Konfiguration laden</button><button type="button" class="ps-btn ps-btn-quiet" onclick="setSelectedExpiryBindingToInheritance()">Standard erben</button></div></div><div class="ps-card ps-span-8"><h3>Konfigurationseditor</h3><p>Unterstuetzt V1-Regeln sowie verschachtelte V2-<code>condition</code>-Gruppen mit <code>and</code>/<code>or</code>.</p><textarea id="expiryIndicatorJson" class="ps-textarea" style="min-height:430px" spellcheck="false"></textarea><div class="ps-note"><strong>Prioritaet:</strong> lokale Feldkonfiguration &gt; Subweb-Override &gt; Site-Collection-Standard &gt; eingebauter Standard.</div></div></div><div class="ps-actions-bar"><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="validateExpiryIndicatorConfig()">JSON validieren</button><button type="button" class="ps-btn ps-btn-quiet" onclick="formatExpiryIndicatorConfig()">JSON formatieren</button></div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-primary" onclick="applyExpiryIndicatorConfig()">Als lokale Ausnahme speichern</button></div></div></section>
 <div id="expiryBindingDialog" class="ps-modal-backdrop" hidden><div class="ps-modal" role="dialog" aria-modal="true" aria-labelledby="expiryBindingDialogTitle"><h2 id="expiryBindingDialogTitle">ExpiryIndicator anbinden</h2><p>Verbindet ein bereits vorhandenes Datumsfeld mit dem Field Customizer und registriert die Liste zentral.</p><div id="bindExpiryStatus"></div><label class="ps-label" for="bindExpiryWebUrl">Web URL</label><input type="text" id="bindExpiryWebUrl" class="ps-input" /><label class="ps-label" for="bindExpiryListTitle" style="margin-top:16px;">Listentitel</label><input type="text" id="bindExpiryListTitle" class="ps-input" placeholder="Documents" /><label class="ps-label" for="bindExpiryFieldName" style="margin-top:16px;">Interner Name des vorhandenen Datumsfeldes</label><input type="text" id="bindExpiryFieldName" class="ps-input" placeholder="ExpiryDate" /><div class="ps-check" style="margin-top:14px;"><input type="checkbox" id="bindExpiryClassic" checked="checked" /><label for="bindExpiryClassic" style="margin:0;font-weight:600;">Classic ScriptLink und Ribbon-Befehl registrieren</label></div><div class="ps-note">Die Solution legt keine Spalte an. Bei bereits vorhandener lokaler Konfiguration bleiben die Component Properties erhalten.</div><div class="ps-actions"><button type="button" class="ps-btn ps-btn-quiet" onclick="closeExpiryBindingDialog()">Abbrechen</button><button type="button" id="bindExpirySubmit" class="ps-btn ps-btn-primary" onclick="bindExpiryIndicatorFromDialog()">Bindung anlegen</button></div></div></div>
+<div id="megaMenuTermSetDialog" class="ps-modal-backdrop" hidden><div class="ps-modal" role="dialog" aria-modal="true" aria-labelledby="megaMenuTermSetDialogTitle"><h2 id="megaMenuTermSetDialogTitle">Termset auswaehlen</h2><p>Termsets aus dem Default Site Collection Term Store.</p><div id="megaMenuTermSetStatus"></div><label class="ps-label" for="megaMenuTermSetSearch">Suche</label><input type="text" id="megaMenuTermSetSearch" class="ps-input" placeholder="Gruppe oder Termset" oninput="renderMegaMenuTermSets()" /><div id="megaMenuTermSetList" style="max-height:420px;overflow:auto;margin-top:16px;"></div><div class="ps-actions" style="margin-top:16px;"><button type="button" class="ps-btn ps-btn-quiet" onclick="closeMegaMenuTermSetDialog()">Abbrechen</button></div></div></div>
 <script type="text/javascript">
 var CUSTOM_SOLUTION_TAG='MSFT-Custom-Solution';var EXPIRY_FIELD_COMPONENT_ID='a555f4fc-d6a6-4421-8189-457449d9bbde';var EXPIRY_DESCRIPTOR_PROPERTY='PortalSettings.Solutions.ExpiryIndicator';var EXPIRY_DEFAULTS_PROPERTY='PortalSettings.ExpiryIndicator.Defaults';var EXPIRY_BINDINGS_PROPERTY='PortalSettings.ExpiryIndicator.Bindings';var SUPPORTED_SOLUTIONS={branding:{key:'branding',label:'Custom Branding',componentId:'035ba968-6488-4d42-86b3-0470ffcc95b9',panelId:'panel-branding',descriptionTag:'MSFT-Custom-Solution:CustomBranding',providerType:'applicationCustomizer'},megamenu:{key:'megamenu',label:'Mega Menu',componentId:'abc3361f-bb2d-491f-aba3-cd51c19a299b',panelId:'panel-megamenu',descriptionTag:'MSFT-Custom-Solution:MegaMenu',providerType:'applicationCustomizer'},expiryindicator:{key:'expiryindicator',label:'ExpiryIndicator',componentId:EXPIRY_FIELD_COMPONENT_ID,panelId:'panel-expiryindicator',providerType:'rootPropertyBag'}};
-var state={booted:false,activeKey:'',solutions:{}};
+var state={booted:false,activeKey:'',solutions:{},megaMenuTermSets:[],megaMenuTermSetsLoaded:false};
 document.addEventListener('DOMContentLoaded',function(){bootPage();});
 function bootPage(){if(state.booted){return;}if(window.SP&&SP.ClientContext){state.booted=true;bindPage();reloadSolutions();return;}window.setTimeout(bootPage,150);}
-function bindPage(){document.getElementById('siteUrlValue').textContent=getSiteUrl();document.getElementById('expiryWebUrl').value=getWebUrl();document.getElementById('expiryIndicatorJson').value=JSON.stringify(defaultExpiryIndicatorConfig('ExpiryDate'),null,2);document.getElementById('brandingCssPath').addEventListener('keypress',function(event){if(event.key==='Enter'){event.preventDefault();addBrandingCssFile();}});document.getElementById('brandingTopJson').addEventListener('input',updateBrandingPreview);document.getElementById('brandingBottomJson').addEventListener('input',updateBrandingPreview);document.getElementById('megaMenuTermSetName').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuCssUrl').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuDebug').addEventListener('change',updateMegaMenuPreview);}
+function bindPage(){document.getElementById('siteUrlValue').textContent=getSiteUrl();document.getElementById('expiryWebUrl').value=getWebUrl();document.getElementById('expiryIndicatorJson').value=JSON.stringify(defaultExpiryIndicatorConfig('ExpiryDate'),null,2);document.getElementById('brandingCssPath').addEventListener('keypress',function(event){if(event.key==='Enter'){event.preventDefault();addBrandingCssFile();}});document.getElementById('brandingTopJson').addEventListener('input',updateBrandingPreview);document.getElementById('brandingBottomJson').addEventListener('input',updateBrandingPreview);document.getElementById('megaMenuTermSetId').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuTermSetName').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuCacheMinutes').addEventListener('input',updateMegaMenuPreview);document.getElementById('megaMenuDebug').addEventListener('change',updateMegaMenuPreview);}
 function reloadSolutions(preferredKey){showStatus('Lade aktive Einstellungsanbieter...','info',true);state.solutions={};loadSolutionsSequentially(Object.keys(SUPPORTED_SOLUTIONS),0,preferredKey||state.activeKey,[],[],function(labels,errors,preferred){var keys=getAvailableSolutionKeys();if(!keys.length){state.activeKey='';renderTabs();renderPanels();updateOverview();showStatus('Keine unterstuetzten Erweiterungen wurden aktiv registriert gefunden.','warning',true);return;}state.activeKey=preferred&&state.solutions[preferred]?preferred:keys[0];hydratePanels();renderTabs();renderPanels();updateOverview();var message='Aktive Erweiterungen geladen: '+labels.join(', ')+'.';if(errors.length){showStatus(message+' Hinweise: '+errors.join(' | '),'warning',true);return;}showStatus(message,'success');});}
 function loadSolutionsSequentially(keys,index,preferred,labels,errors,done){if(index>=keys.length){done(labels,errors,preferred);return;}var key=keys[index];var definition=SUPPORTED_SOLUTIONS[key];if(definition.providerType==='rootPropertyBag'){readExpiryProviderInfo(function(info){if(info){state.solutions[key]={definition:definition,info:info,config:info.siteDefaults};labels.push(definition.label);}loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);},function(message){errors.push(definition.label+': '+message);loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);});return;}readCustomizerActionInfo(definition,function(info){if(info&&info.action){state.solutions[key]={definition:definition,info:info,config:parseSolutionConfig(key,info.action.ClientSideComponentProperties)};labels.push(definition.label);}loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);},function(message){errors.push(definition.label+': '+message);loadSolutionsSequentially(keys,index+1,preferred,labels,errors,done);});}
 function hydratePanels(){if(state.solutions.branding){populateBrandingPanel(state.solutions.branding);}if(state.solutions.megamenu){populateMegaMenuPanel(state.solutions.megamenu);}if(state.solutions.expiryindicator){renderExpiryBindings();}}
@@ -40,10 +41,20 @@ function validateBrandingEditors(){try{state.solutions.branding.config=normalize
 function formatBrandingEditors(){try{state.solutions.branding.config=normalizeBrandingConfig(buildBrandingConfig());document.getElementById('brandingTopJson').value=JSON.stringify(state.solutions.branding.config.placeholdertop.elements,null,2);document.getElementById('brandingBottomJson').value=JSON.stringify(state.solutions.branding.config.placeholderbottom.elements,null,2);updateBrandingPreview();showStatus('Custom Branding JSON wurde formatiert.','success');}catch(error){showStatus(error.message,'error');}}
 function updateBrandingPreview(){var preview=document.getElementById('brandingPreview');try{var config=buildBrandingConfig();preview.textContent=JSON.stringify(config,null,2);document.getElementById('brandingChip').textContent=String(config.cssfiles.length);}catch(error){preview.textContent='Fehler: '+error.message;}}
 function applyBrandingConfig(){try{var config=buildBrandingConfig();showStatus('Aktualisiere Custom Branding...','info',true);updateSolutionAction('branding',config,function(){state.solutions.branding.config=normalizeBrandingConfig(config);populateBrandingPanel(state.solutions.branding);showStatus('Custom Branding wurde erfolgreich aktualisiert.','success');},function(message){showStatus('Custom Branding konnte nicht aktualisiert werden: '+message,'error',true);});}catch(error){showStatus(error.message,'error');}}
-function populateMegaMenuPanel(solution){document.getElementById('megaMenuComponentId').textContent=solution.definition.componentId;document.getElementById('megaMenuLocation').textContent=getActionLocationText(solution.info);document.getElementById('megaMenuTermSetName').value=solution.config.termSetName||'';document.getElementById('megaMenuCssUrl').value=solution.config.cssUrl||'';document.getElementById('megaMenuDebug').checked=solution.config.debug===true;updateMegaMenuPreview();}
-function buildMegaMenuConfig(){var solution=state.solutions.megamenu;if(!solution){throw new Error('Mega Menu ist aktuell nicht aktiv konfiguriert.');}var termSetName=document.getElementById('megaMenuTermSetName').value.trim();return{termSetName:termSetName,cssUrl:document.getElementById('megaMenuCssUrl').value.trim(),debug:document.getElementById('megaMenuDebug').checked===true};}
+function populateMegaMenuPanel(solution){document.getElementById('megaMenuComponentId').textContent=solution.definition.componentId;document.getElementById('megaMenuLocation').textContent=getActionLocationText(solution.info);document.getElementById('megaMenuTermSetId').value=solution.config.termSetId||'';document.getElementById('megaMenuTermSetName').value=solution.config.termSetName||'';document.getElementById('megaMenuCacheMinutes').value=String(solution.config.cacheMinutes||15);document.getElementById('megaMenuDebug').checked=solution.config.debug===true;updateMegaMenuSelectedTermSet();updateMegaMenuPreview();}
+function buildMegaMenuConfig(){var solution=state.solutions.megamenu;if(!solution){throw new Error('Mega Menu ist aktuell nicht aktiv konfiguriert.');}var termSetId=document.getElementById('megaMenuTermSetId').value.trim();var termSetName=document.getElementById('megaMenuTermSetName').value.trim();var cacheMinutes=Number(document.getElementById('megaMenuCacheMinutes').value);if(termSetId&&!/^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$/.test(termSetId)){throw new Error('Die Term Set ID ist keine gueltige GUID.');}if(!termSetId&&!termSetName){throw new Error('Bitte eine Term Set ID oder einen Term Set Name angeben.');}if(!isFinite(cacheMinutes)||cacheMinutes<1||cacheMinutes>1440){throw new Error('Die Cache-Dauer muss zwischen 1 und 1440 Minuten liegen.');}return{termSetId:termSetId,termSetName:termSetName,cacheMinutes:Math.floor(cacheMinutes),debug:document.getElementById('megaMenuDebug').checked===true};}
 function updateMegaMenuPreview(){var preview=document.getElementById('megaMenuPreview');try{var config=buildMegaMenuConfig();preview.textContent=JSON.stringify(config,null,2);document.getElementById('megaMenuChip').textContent=config.debug?'DBG':'OK';}catch(error){preview.textContent='Fehler: '+error.message;document.getElementById('megaMenuChip').textContent='!';}}
 function applyMegaMenuConfig(){try{var config=buildMegaMenuConfig();showStatus('Aktualisiere Mega Menu...','info',true);updateSolutionAction('megamenu',config,function(){state.solutions.megamenu.config=normalizeMegaMenuConfig(config);populateMegaMenuPanel(state.solutions.megamenu);showStatus('Mega Menu wurde erfolgreich aktualisiert.','success');},function(message){showStatus('Mega Menu konnte nicht aktualisiert werden: '+message,'error',true);});}catch(error){showStatus(error.message,'error');}}
+function updateMegaMenuSelectedTermSet(){var id=document.getElementById('megaMenuTermSetId').value.trim();var name=document.getElementById('megaMenuTermSetName').value.trim();document.getElementById('megaMenuSelectedTermSetName').textContent=name||'Kein Termset ausgewaehlt';document.getElementById('megaMenuSelectedTermSetMeta').textContent=id||'-';}
+function clearMegaMenuTermSet(){document.getElementById('megaMenuTermSetId').value='';document.getElementById('megaMenuTermSetName').value='';updateMegaMenuSelectedTermSet();updateMegaMenuPreview();}
+function openMegaMenuTermSetDialog(){document.getElementById('megaMenuTermSetDialog').hidden=false;document.getElementById('megaMenuTermSetSearch').value='';document.getElementById('megaMenuTermSetList').innerHTML='';setMegaMenuTermSetStatus('Lade Termsets...','info');if(state.megaMenuTermSetsLoaded){setMegaMenuTermSetStatus('','info');renderMegaMenuTermSets();window.setTimeout(function(){document.getElementById('megaMenuTermSetSearch').focus();},0);return;}loadMegaMenuTermSets();}
+function closeMegaMenuTermSetDialog(){document.getElementById('megaMenuTermSetDialog').hidden=true;}
+function setMegaMenuTermSetStatus(message,type){var host=document.getElementById('megaMenuTermSetStatus');host.innerHTML=message?'<div class="ps-status ps-status-'+type+'">'+escapeHtml(message)+'</div>':'';}
+function loadMegaMenuTermSets(){var requestXml='<Request AddExpandoFieldTypeSuffix="true" SchemaVersion="15.0.0.0" LibraryVersion="16.0.0.0" ApplicationName="PortalSettings" xmlns="http://schemas.microsoft.com/sharepoint/clientquery/2009"><Actions><ObjectPath Id="2" ObjectPathId="1" /><ObjectIdentityQuery Id="3" ObjectPathId="1" /><ObjectPath Id="5" ObjectPathId="4" /><ObjectIdentityQuery Id="6" ObjectPathId="4" /><Query Id="7" ObjectPathId="4"><Query SelectAllProperties="false"><Properties><Property Name="Id" ScalarProperty="true" /><Property Name="Name" ScalarProperty="true" /><Property Name="Groups"><Query SelectAllProperties="false"><Properties /></Query><ChildItemQuery SelectAllProperties="false"><Properties><Property Name="Name" ScalarProperty="true" /><Property Name="Id" ScalarProperty="true" /><Property Name="IsSystemGroup" ScalarProperty="true" /><Property Name="TermSets"><Query SelectAllProperties="false"><Properties /></Query><ChildItemQuery SelectAllProperties="false"><Properties><Property Name="Name" ScalarProperty="true" /><Property Name="Id" ScalarProperty="true" /><Property Name="Description" ScalarProperty="true" /></Properties></ChildItemQuery></Property></Properties></ChildItemQuery></Property></Properties></Query></Query></Actions><ObjectPaths><StaticMethod Id="1" Name="GetTaxonomySession" TypeId="{981cbc68-9edc-4f8d-872f-71146fcbb84f}" /><Method Id="4" ParentId="1" Name="GetDefaultSiteCollectionTermStore" /></ObjectPaths></Request>';try{var request=new XMLHttpRequest();request.open('POST',getSiteUrl().replace(/\/$/,'')+'/_vti_bin/client.svc/ProcessQuery',true);request.setRequestHeader('Accept','application/json');request.setRequestHeader('Content-Type','application/xml');var digest=getRequestDigest();if(digest){request.setRequestHeader('X-RequestDigest',digest);}request.onreadystatechange=function(){if(request.readyState!==4){return;}if(request.status<200||request.status>=300){setMegaMenuTermSetStatus('Termsets konnten nicht geladen werden: '+buildRequestErrorMessage(request),'error');return;}try{var payload=JSON.parse(request.responseText||'[]');var errorInfo=payload&&payload.length?payload[0]:null;if(errorInfo&&errorInfo.ErrorInfo){throw new Error(errorInfo.ErrorInfo.ErrorMessage||'Taxonomy-Abfrage fehlgeschlagen.');}state.megaMenuTermSets=parseMegaMenuTermSets(payload);state.megaMenuTermSetsLoaded=true;setMegaMenuTermSetStatus(state.megaMenuTermSets.length?'':'Keine lesbaren Termsets gefunden.',state.megaMenuTermSets.length?'info':'warning');renderMegaMenuTermSets();window.setTimeout(function(){document.getElementById('megaMenuTermSetSearch').focus();},0);}catch(error){setMegaMenuTermSetStatus('Termsets konnten nicht gelesen werden: '+(error.message||String(error)),'error');}};request.onerror=function(){setMegaMenuTermSetStatus('Netzwerkfehler beim Laden der Termsets.','error');};request.send(requestXml);}catch(error){setMegaMenuTermSetStatus(error.message||String(error),'error');}}
+function parseMegaMenuTermSets(payload){var result=[];if(!Array.isArray(payload)){return result;}var store=null;for(var i=0;i<payload.length;i++){if(payload[i]&&payload[i]._ObjectType_==='SP.Taxonomy.TermStore'){store=payload[i];break;}}var groups=store&&store.Groups&&Array.isArray(store.Groups._Child_Items_)?store.Groups._Child_Items_:[];for(var g=0;g<groups.length;g++){var group=groups[g];if(!group||group.IsSystemGroup===true){continue;}var sets=group.TermSets&&Array.isArray(group.TermSets._Child_Items_)?group.TermSets._Child_Items_:[];for(var s=0;s<sets.length;s++){var termSet=sets[s];if(!termSet){continue;}var id=cleanTaxonomyGuid(termSet.Id);if(id){result.push({id:id,name:termSet.Name||id,groupName:group.Name||'Ohne Gruppe',description:termSet.Description||''});}}}result.sort(function(left,right){var a=(left.groupName+' '+left.name).toLowerCase();var b=(right.groupName+' '+right.name).toLowerCase();return a<b?-1:(a>b?1:0);});return result;}
+function cleanTaxonomyGuid(value){return String(value||'').replace('/Guid(','').replace(')/','').replace(')','').replace(/[{}]/g,'').toLowerCase();}
+function renderMegaMenuTermSets(){var host=document.getElementById('megaMenuTermSetList');var search=document.getElementById('megaMenuTermSetSearch').value.trim().toLowerCase();var html='';for(var i=0;i<state.megaMenuTermSets.length;i++){var item=state.megaMenuTermSets[i];var haystack=(item.groupName+' '+item.name+' '+item.description+' '+item.id).toLowerCase();if(search&&haystack.indexOf(search)===-1){continue;}html+='<div class="ps-item"><div><strong>'+escapeHtml(item.name)+'</strong><div class="ps-path">'+escapeHtml(item.groupName)+' | '+escapeHtml(item.id)+'</div>'+(item.description?'<div>'+escapeHtml(item.description)+'</div>':'')+'</div><button type="button" class="ps-btn" onclick="selectMegaMenuTermSet('+i+')">Auswaehlen</button></div>'; }host.innerHTML=html||'<div class="ps-list-empty">Keine passenden Termsets gefunden.</div>';}
+function selectMegaMenuTermSet(index){var item=state.megaMenuTermSets[index];if(!item){return;}document.getElementById('megaMenuTermSetId').value=item.id;document.getElementById('megaMenuTermSetName').value=item.name;updateMegaMenuSelectedTermSet();updateMegaMenuPreview();closeMegaMenuTermSetDialog();showStatus('Termset ausgewaehlt: '+item.name+'.','success');}
 function defaultExpiryIndicatorConfig(expiryField){return{baseField:'Created',expiryField:expiryField||'ExpiryDate',default:{lifeTime:{value:2,unit:'years'},columnRule:[{daysUntilExpiry:0,operator:'lessOrEqual',backgroundColor:'#a4262c',textColor:'#ffffff',label:'Abgelaufen'},{daysUntilExpiry:30,operator:'lessOrEqual',backgroundColor:'#ffaa44',textColor:'#000000',label:'Laeuft bald ab'},{daysUntilExpiry:90,operator:'lessOrEqual',backgroundColor:'#fff4ce',textColor:'#000000',label:'Beobachten'}]},rules:[],nullText:'Kein Ablaufdatum',confirmExtension:true};}
 function openExpiryBindingDialog(){document.getElementById('bindExpiryWebUrl').value=getWebUrl();document.getElementById('bindExpiryListTitle').value='';document.getElementById('bindExpiryFieldName').value='ExpiryDate';document.getElementById('bindExpiryStatus').innerHTML='';document.getElementById('bindExpirySubmit').disabled=false;document.getElementById('expiryBindingDialog').hidden=false;window.setTimeout(function(){document.getElementById('bindExpiryListTitle').focus();},0);}
 function closeExpiryBindingDialog(){document.getElementById('expiryBindingDialog').hidden=true;}
@@ -75,7 +86,7 @@ function formatExpiryIndicatorConfig(){try{var config=parseExpiryIndicatorEditor
 function applyExpiryIndicatorConfig(){var solution=state.solutions.expiryindicator;var selected=solution&&solution.info?solution.info.selected:null;if(!selected){showStatus('Bitte zuerst eine lokale ExpiryIndicator-Konfiguration laden.','warning',true);return;}var config;try{config=parseExpiryIndicatorEditor();}catch(error){showStatus(error.message,'error',true);return;}config.expiryField=selected.field.InternalName;var payload={__metadata:{type:selected.actionType},ClientSideComponentProperties:JSON.stringify(config)};showStatus('Aktualisiere lokale ExpiryIndicator-Ausnahme...','info',true);postJsonMerge(selected.updateUrl,payload,function(){solution.config=config;document.getElementById('expiryIndicatorJson').value=JSON.stringify(config,null,2);document.getElementById('expiryIndicatorChip').textContent='LOKAL';showStatus('Lokale ExpiryIndicator-Konfiguration wurde erfolgreich aktualisiert.','success');},function(message){showStatus('ExpiryIndicator konnte nicht aktualisiert werden: '+message,'error',true);});}
 function parseSolutionConfig(key,rawValue){var parsed={};if(typeof rawValue==='string'&&rawValue.trim().length>0){try{parsed=JSON.parse(rawValue);}catch(error){parsed={};}}if(key==='branding'){return normalizeBrandingConfig(parsed);}if(key==='megamenu'){return normalizeMegaMenuConfig(parsed);}return parsed||{};}
 function normalizeBrandingConfig(config){var normalized={cssfiles:[],placeholdertop:{elements:[]},placeholderbottom:{elements:[]}};if(config&&Array.isArray(config.cssfiles)){normalized.cssfiles=config.cssfiles.filter(function(item){return item&&typeof item.path==='string'&&item.path.trim().length>0;}).map(function(item){return{path:item.path.trim()};});}if(config&&config.placeholdertop&&Array.isArray(config.placeholdertop.elements)){normalized.placeholdertop.elements=config.placeholdertop.elements;}else if(config&&Array.isArray(config.elements)){normalized.placeholdertop.elements=config.elements;}if(config&&config.placeholderbottom&&Array.isArray(config.placeholderbottom.elements)){normalized.placeholderbottom.elements=config.placeholderbottom.elements;}return normalized;}
-function normalizeMegaMenuConfig(config){return{termSetName:config&&typeof config.termSetName==='string'?config.termSetName.trim():'',cssUrl:config&&typeof config.cssUrl==='string'?config.cssUrl.trim():'',debug:!!(config&&config.debug===true)};}
+function normalizeMegaMenuConfig(config){var cacheMinutes=config?Number(config.cacheMinutes):15;return{termSetId:config&&typeof config.termSetId==='string'?config.termSetId.trim():'',termSetName:config&&typeof config.termSetName==='string'?config.termSetName.trim():'',cacheMinutes:isFinite(cacheMinutes)?Math.min(Math.max(Math.floor(cacheMinutes),1),1440):15,debug:!!(config&&config.debug===true)};}
 function parseJsonArray(textareaId,label){var textarea=document.getElementById(textareaId);var rawValue=textarea.value.trim();if(!rawValue){return [];}var parsedValue;try{parsedValue=JSON.parse(rawValue);}catch(error){throw new Error(label+' enthaelt kein gueltiges JSON: '+error.message);}if(!Array.isArray(parsedValue)){throw new Error(label+' muss ein JSON-Array sein.');}return parsedValue;}
 function updateSolutionAction(key,config,onSuccess,onError){var solution=state.solutions[key];if(!solution||!solution.info||!solution.info.action){onError('Die passende UserCustomAction wurde nicht gefunden.');return;}var actionId=solution.info.action.Id;if(!actionId){onError('Die UserCustomAction hat keine gueltige Id.');return;}var updateUrl=solution.info.updateBaseUrl+'(guid\''+actionId+'\')';var payload={__metadata:{type:solution.info.actionType||'SP.UserCustomAction'},ClientSideComponentProperties:JSON.stringify(config)};postJsonMerge(updateUrl,payload,onSuccess,onError);}
 function readCustomizerActionInfo(definition,onSuccess,onError){var baseSiteUrl=getSiteUrl().replace(/\/$/,'');var endpoints=[{scopeLabel:'Site Collection',readUrl:baseSiteUrl+'/_api/site/UserCustomActions',updateBaseUrl:baseSiteUrl+'/_api/site/UserCustomActions'},{scopeLabel:'Web',readUrl:baseSiteUrl+'/_api/site/rootweb/UserCustomActions',updateBaseUrl:baseSiteUrl+'/_api/site/rootweb/UserCustomActions'}];readCustomizerActionInfoFromEndpoints(definition,endpoints,0,[],onSuccess,onError);}