feat: batch polish — edit/delete positions, ZIP export, exports page, candidate batch links

static/index.html

@@ -201,8 +201,8 @@
   </div>
 </div>
 
-<script src="/static/app.js?v=19"></script>
+<script src="/static/app.js?v=20"></script>
 <script src="/static/carbone.js?v=16"></script>
-<script src="/static/batches.js?v=3"></script>
+<script src="/static/batches.js?v=4"></script>
 </body>
 </html>