diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index 343d915..c7159df 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 = '460'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER = '461'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 
 const App = (() => {
 
diff --git a/backend/static/js/pages/welcome.js b/backend/static/js/pages/welcome.js
index 6cac1f4..a105a61 100644
--- a/backend/static/js/pages/welcome.js
+++ b/backend/static/js/pages/welcome.js
@@ -526,10 +526,19 @@ window.Page_welcome = (() => {
     const chipsRow = _container.querySelector('#wc-chips-row');
     if (!chipsRow) return;
     chipsRow.outerHTML = _chipsHTML(dash);
-    // re-bind data-nav auf den neuen Chips
     _container.querySelectorAll('#wc-chips-row [data-nav]').forEach(el => {
       el.addEventListener('click', () => App.navigate(el.dataset.nav));
     });
+    // Exercise-Chip hat kein data-nav — separat binden
+    const exChip = _container.querySelector('#wc-chip-exercise');
+    if (exChip) {
+      exChip.addEventListener('click', () => {
+        App.navigate('uebungen', true, {
+          name:      exChip.dataset.exerciseName,
+          kategorie: exChip.dataset.exerciseKat,
+        });
+      });
+    }
   }
 
   // ----------------------------------------------------------
diff --git a/backend/static/sw.js b/backend/static/sw.js
index 8b752dc..f75c289 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-v483';
+const CACHE_VERSION = 'by-v484';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten