diff --git a/backend/main.py b/backend/main.py
index 629dba4..164ff54 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -406,7 +406,7 @@ async def serve_media(path: str, request: _Request):
         raise _HE(404, "Nicht gefunden.")
     return _media_response(filepath)
 
-APP_VER = "916"  # muss mit APP_VER in app.js übereinstimmen
+APP_VER = "917"  # muss mit APP_VER in app.js übereinstimmen
 
 @app.get("/.well-known/assetlinks.json")
 async def assetlinks():
diff --git a/backend/static/index.html b/backend/static/index.html
index cfba020..d411c33 100644
--- a/backend/static/index.html
+++ b/backend/static/index.html
@@ -599,10 +599,10 @@
 <div id="modal-container"></div>
 
 <!-- JS: Reihenfolge ist wichtig — erst Basis, dann Features -->
-<script src="/js/api.js?v=916"></script>
-<script src="/js/ui.js?v=916"></script>
-<script src="/js/app.js?v=916"></script>
-<script src="/js/worlds.js?v=916"></script>
+<script src="/js/api.js?v=917"></script>
+<script src="/js/ui.js?v=917"></script>
+<script src="/js/app.js?v=917"></script>
+<script src="/js/worlds.js?v=917"></script>
 
 <!-- Feature-Seiten werden lazy geladen -->
 
diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index ee97d7e..fc9d1de 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '916'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '917'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.5.1'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 // Cache-Bust-Parameter nach Update-Reload sofort entfernen
diff --git a/backend/static/js/pages/laeufi.js b/backend/static/js/pages/laeufi.js
index 0a0d14b..de09370 100644
--- a/backend/static/js/pages/laeufi.js
+++ b/backend/static/js/pages/laeufi.js
@@ -36,7 +36,7 @@ window.Page_laeufi = (() => {
     const zwinger = _breederInfo?.zwingername || 'Mein Zwinger';
     const logoUrl = _breederInfo?.logo_url   || null;
     const logoHtml = logoUrl
-      ? `<img src="${UI.esc(logoUrl)}" alt="Logo"
+      ? `<img src="${UI.escape(logoUrl)}" alt="Logo"
               style="width:48px;height:48px;border-radius:50%;object-fit:cover;
                      border:2px solid rgba(196,132,58,.5);flex-shrink:0"
               onerror="this.style.display='none'">`
@@ -56,7 +56,7 @@ window.Page_laeufi = (() => {
         <div style="flex:1;min-width:0">
           <h2 style="margin:0 0 2px;font-size:var(--text-lg);font-weight:700;
                      color:rgba(255,255,255,.95);white-space:nowrap;overflow:hidden;
-                     text-overflow:ellipsis;line-height:1.2">${UI.esc(zwinger)}</h2>
+                     text-overflow:ellipsis;line-height:1.2">${UI.escape(zwinger)}</h2>
           <div style="display:flex;align-items:center;gap:var(--space-2)">
             <svg style="width:11px;height:11px;color:var(--c-primary);flex-shrink:0" viewBox="0 0 256 256">
               <use href="/icons/phosphor.svg#lock-key"></use>
@@ -89,7 +89,7 @@ window.Page_laeufi = (() => {
       _renderHundeList();
     } catch (err) {
       document.getElementById('laeufi-list').innerHTML =
-        `<p style="color:var(--c-danger)">${UI.esc(err.message || 'Fehler')}</p>`;
+        `<p style="color:var(--c-danger)">${UI.escape(err.message || 'Fehler')}</p>`;
     }
   }
 
@@ -131,12 +131,12 @@ window.Page_laeufi = (() => {
                     cursor:pointer;user-select:none">
           <div style="flex:1;min-width:0">
             <div style="display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap">
-              <span style="font-size:var(--text-base);font-weight:700">${UI.esc(h.name)}</span>
-              ${h.rufname ? `<span style="color:var(--c-text-muted);font-size:var(--text-sm)">"${UI.esc(h.rufname)}"</span>` : ''}
+              <span style="font-size:var(--text-base);font-weight:700">${UI.escape(h.name)}</span>
+              ${h.rufname ? `<span style="color:var(--c-text-muted);font-size:var(--text-sm)">"${UI.escape(h.rufname)}"</span>` : ''}
               ${alter ? `<span style="font-size:var(--text-xs);color:var(--c-text-muted)">${alter}</span>` : ''}
             </div>
             ${h.rasse_text || h.farbe ? `<div style="font-size:var(--text-xs);color:var(--c-text-secondary);margin-top:2px">
-              ${[h.rasse_text, h.farbe].filter(Boolean).map(s => UI.esc(s)).join(' · ')}
+              ${[h.rasse_text, h.farbe].filter(Boolean).map(s => UI.escape(s)).join(' · ')}
             </div>` : ''}
           </div>
           <span style="color:var(--c-text-muted)">${UI.icon('caret-down')}</span>
@@ -177,7 +177,7 @@ window.Page_laeufi = (() => {
       ]);
       _renderHundContent(el, hundId, laeufiList, deckList);
     } catch (err) {
-      el.innerHTML = `<p style="color:var(--c-danger)">${UI.esc(err.message || 'Fehler')}</p>`;
+      el.innerHTML = `<p style="color:var(--c-danger)">${UI.escape(err.message || 'Fehler')}</p>`;
     }
   }
 
@@ -276,7 +276,7 @@ window.Page_laeufi = (() => {
             ${l.ende ? `<span style="font-size:var(--text-xs);color:var(--c-text-muted)">→ ${_fmtDate(l.ende)}</span>
               <span style="font-size:var(--text-xs);color:var(--c-text-muted)">${_daysDiff(l.beginn, l.ende)} Tage</span>` : ''}
           </div>
-          ${l.notiz ? `<p style="font-size:var(--text-xs);color:var(--c-text-secondary);margin:var(--space-1) 0 0;font-style:italic">${UI.esc(l.notiz)}</p>` : ''}
+          ${l.notiz ? `<p style="font-size:var(--text-xs);color:var(--c-text-secondary);margin:var(--space-1) 0 0;font-style:italic">${UI.escape(l.notiz)}</p>` : ''}
         </div>
         <div style="display:flex;gap:var(--space-1);flex-shrink:0">
           <button class="btn btn-ghost btn-xs laeufi-prog-btn" data-id="${l.id}" title="Progesterontests">
@@ -321,7 +321,7 @@ window.Page_laeufi = (() => {
                              border-radius:999px;padding:1px 8px;font-size:var(--text-xs);font-weight:600">${tc.label}</span>
               </div>
               <div style="display:flex;gap:var(--space-3);flex-wrap:wrap;font-size:var(--text-xs);color:var(--c-text-secondary)">
-                ${d.ruede_name ? `<span>${UI.icon('dog')} Rüde: ${UI.esc(d.ruede_name)}</span>` : ''}
+                ${d.ruede_name ? `<span>${UI.icon('dog')} Rüde: ${UI.escape(d.ruede_name)}</span>` : ''}
                 <span>${UI.icon('arrows-clockwise')} ${_DECKART[d.deckart] || d.deckart}</span>
                 ${d.ultraschall_datum ? `<span>${UI.icon('heartbeat')} Ultraschall: ${_fmtDate(d.ultraschall_datum)}</span>` : ''}
               </div>
@@ -360,7 +360,7 @@ window.Page_laeufi = (() => {
               </span>
               <span style="color:var(--c-text-secondary)">${_fmtDate(m.datum)}</span>
               <span style="color:${m.vorbei ? 'var(--c-text-muted)' : 'var(--c-text)'};font-weight:${m.vorbei ? '400' : '600'}">
-                ${UI.esc(m.label)}
+                ${UI.escape(m.label)}
               </span>
             </div>`).join('')}
         </div>
@@ -390,7 +390,7 @@ window.Page_laeufi = (() => {
           </div>
           <div class="form-group">
             <label class="form-label">Notiz</label>
-            <textarea class="form-control" name="notiz" rows="2">${UI.esc(v.notiz || '')}</textarea>
+            <textarea class="form-control" name="notiz" rows="2">${UI.escape(v.notiz || '')}</textarea>
           </div>
         </form>`,
       footer: `
@@ -439,7 +439,7 @@ window.Page_laeufi = (() => {
             <div class="form-group">
               <label class="form-label">Rüde</label>
               <input class="form-control" name="ruede_name" placeholder="Name des Deckrüden"
-                     value="${UI.esc(v.ruede_name || '')}">
+                     value="${UI.escape(v.ruede_name || '')}">
             </div>
             <div class="form-group">
               <label class="form-label">Deckart</label>
@@ -468,7 +468,7 @@ window.Page_laeufi = (() => {
           </div>
           <div class="form-group">
             <label class="form-label">Notiz</label>
-            <textarea class="form-control" name="notiz" rows="2">${UI.esc(v.notiz || '')}</textarea>
+            <textarea class="form-control" name="notiz" rows="2">${UI.escape(v.notiz || '')}</textarea>
           </div>
         </form>`,
       footer: `
@@ -537,10 +537,10 @@ window.Page_laeufi = (() => {
             <tr style="border-top:1px solid var(--c-border)">
               <td style="padding:var(--space-2)">${_fmtDate(t.datum)}</td>
               <td style="text-align:right;padding:var(--space-2);font-weight:600">
-                ${t.wert != null ? `${t.wert} ${UI.esc(t.einheit)}` : '—'}
+                ${t.wert != null ? `${t.wert} ${UI.escape(t.einheit)}` : '—'}
                 ${t.wert != null ? `<span style="font-size:10px;margin-left:4px;color:var(--c-text-muted)">${_progEinschaetzung(t.wert, t.einheit)}</span>` : ''}
               </td>
-              <td style="padding:var(--space-2);color:var(--c-text-secondary)">${t.labor ? UI.esc(t.labor) : '—'}</td>
+              <td style="padding:var(--space-2);color:var(--c-text-secondary)">${t.labor ? UI.escape(t.labor) : '—'}</td>
               <td style="padding:var(--space-2);text-align:right">
                 <button class="btn btn-ghost btn-xs prog-delete-btn" data-id="${t.id}"
                         style="color:var(--c-danger)">${UI.icon('trash')}</button>
diff --git a/backend/static/sw.js b/backend/static/sw.js
index 3fcf3a7..91b4097 100644
--- a/backend/static/sw.js
+++ b/backend/static/sw.js
@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v916';
+const CACHE_VERSION = 'by-v917';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache