lets see what this does?

zuss/app.js

@@ -4,7 +4,7 @@
  * - Install/Update Overlay mit beforeinstallprompt.prompt()
  */
 
-const APP_VERSION = "2025.12.24.9";
+const APP_VERSION = "2025.12.24.10";
 const TOKEN = "T9e7WESBXxy6rSD";
 const BASE = "https://home.x-s.at";
 const SHARE_DAV = `${BASE}/public.php/dav/files/${TOKEN}`;
@@ -258,7 +258,6 @@ function renderList(items, currentDir) {
     a.href = "#";
     a.addEventListener("click", (e) => {
       e.preventDefault();
-
       // Build relative path within share
       // href includes /public.php/dav/files/<token>/...; we want path after that
       const marker = `/public.php/dav/files/${TOKEN}`;
@@ -266,8 +265,13 @@ function renderList(items, currentDir) {
       let rel = "/";
       if (idx >= 0) rel = it.href.slice(idx + marker.length);
       if (!rel.startsWith("/")) rel = "/" + rel;
-
+      const targetUrl = toPdfJsUrl(rel);
-      window.location.href = toPdfJsUrl(rel);
+      // Open in new tab so closing the PDF returns to the list, not back navigation
+      const win = window.open(targetUrl, "_blank", "noopener,noreferrer");
+      if (!win) {
+        // fallback if blocked
+        window.location.href = targetUrl;
+      }
     });
 
     const ico = document.createElement("div");

zuss/index.html

@@ -169,6 +169,6 @@
     </div>
   </div>
 
-  <script src="./app.js?v=2025.12.24.9"></script>
+  <script src="./app.js?v=2025.12.24.10"></script>
 </body>
 </html>

zuss/sw.js

@@ -1,4 +1,4 @@
-const CACHE = "wfw-aushang-2025.12.24.9";
+const CACHE = "wfw-aushang-2025.12.24.10";
 
 const ASSETS = [
   "/zuss/",
@@ -41,7 +41,7 @@ self.addEventListener("fetch", (event) => {
         return fresh;
       } catch {
         const cached = await caches.match(req);
-        return cached || new Response('{"version":"2025.12.24.9"}', { headers: { "Content-Type": "application/json" } });
+        return cached || new Response('{"version":"2025.12.24.10"}', { headers: { "Content-Type": "application/json" } });
       }
     })());
     return;

zuss/version.json

@@ -1 +1 @@
-{ "version": "2025.12.24.9" }
+{ "version": "2025.12.24.10" }