Badges: PVC wrapper hugs card tightly; hide 'Front of badge' label when single-sided

src/routes/events/[event_id]/(badges)/badges/[badge_id]/ae_comp__badge_obj_view_v2.svelte

@@ -321,7 +321,7 @@
             transition-all
             "
             >
-                Front of badge
+                {#if show_badge_back}Front of badge{:else}Badge preview{/if}
             </span>
 
             {#if $lq__event_badge_template_obj.header_path}

src/routes/events/ae_comp__events_menu_nav.svelte

@@ -36,6 +36,10 @@
         events__session_id = null,
         events__session_search = false
     }: Props = $props();
+
+    // Build launcher URL segments separately so the href template stays simple (avoids ternaries in href attr)
+    let launcher_loc_seg = $derived(events__launcher_id ? `/${events__launcher_id}` : '');
+    let launcher_sess_qry = $derived(events__session_id ? `?session_id=${events__session_id}` : '');
 </script>
 
 <!-- This is for common navigation links. -->
@@ -103,7 +107,7 @@
             Back to Session
         </a>
         <a
-            href="/events/{event_id}/launcher{events__launcher_id ? '/' + events__launcher_id : ''}"
+            href="/events/{event_id}/launcher{launcher_loc_seg}{launcher_sess_qry}"
             class="btn btn-sm mx-1 ae_btn_info"
             class:hidden={!event_id}
         >