frontend, etc.

static/landing_script.js

@@ -0,0 +1,8 @@
+$(document).ready(function () {
+    var s_id = localStorage.getItem('session_id')
+    if (s_id === null) {
+        s_id = window.crypto.randomUUID();
+        localStorage.setItem('session_id', s_id)
+    }
+    $('.vote-from-existing').attr('href', '?session_id=' + s_id);
+});