fix ui remove doubled v in version footer and bump to 2.1.1

app.py

@@ -49,7 +49,7 @@ for _d in (UPLOAD_DIR, OUTPUT_DIR, WORK_DIR):
 MAX_UPLOAD_MB = 400
 
 # Semantic version exposed by /health so the UI can show "vX.Y.Z" in the footer.
-APP_VERSION = "2.1.0"
+APP_VERSION = "2.1.1"
 
 # req 3 (health): supported formats advertised to clients. Additive key — the
 # existing /health contract asserts only status + max_upload_mb.

templates/index.html

@@ -406,7 +406,7 @@
 
   <footer>
     <span>Bindery &middot; EPUB &rarr; PDF &middot; WeasyPress engine</span>
-    <span class="version">v<span id="foot">&mdash;</span></span>
+    <span class="version"><span id="foot">&mdash;</span></span>
   </footer>
 
 <script>
@@ -440,7 +440,7 @@
     .catch(function () {
       healthDot.classList.add('offline');
       healthState.textContent = 'Offline';
-      foot.textContent = 'v';
+      foot.textContent = '&mdash;';
     });
 
   function openPicker() { fileInput.click(); }