Making things work and look a little nicer. Missing business logic and functions.

src/routes/events/[event_id]/(pres_mgmt)/session/[session_id]/+page.svelte

@@ -196,7 +196,7 @@ if (!$events_sess.pres_mgmt) $events_sess.pres_mgmt = {};
         </div>
 
         <!-- Presentation List Section -->
-        <div class="w-full">
+        <div class="w-full" class:hidden={!$lq__event_presentation_obj_li?.length}>
             <!--
                 CRITICAL FIX: Use the pre-loaded data (data.initial_session_obj) as a fallback
                 until the `liveQuery` store ($lq...) emits its first value. This avoids
@@ -210,6 +210,31 @@ if (!$events_sess.pres_mgmt) $events_sess.pres_mgmt = {};
                     []}
                 {log_lvl} />
         </div>
+
+        <button
+            type="button"
+            onclick={() => {
+                $events_loc.pres_mgmt.show_content__session_view =
+                    $events_loc.pres_mgmt.show_content__session_view === 'manage_files'
+                        ? null
+                        : 'manage_files';
+            }}
+            class="btn btn-md"
+            class:preset-filled-secondary-500={$events_loc.pres_mgmt.show_content__session_view === 'manage_files'}
+            class:preset-filled-tertiary-500={$events_loc.pres_mgmt.show_content__session_view !== 'manage_files'}
+            class:hidden={$lq__event_presentation_obj_li?.length}
+            title="Toggle between session info and session file management">
+
+                <Archive size="1em" class="m-1" />
+                Session Files?
+                <span
+                    class="badge preset-tonal-success"
+                    class:hidden={!$lq__event_session_obj?.file_count}>
+                    <FileText size="1em" class="m-1" />
+                    {$lq__event_session_obj?.file_count}×
+                </span>
+
+        </button>
     {/if}
 
     <!-- Background Connection Status (Non-blocking) -->

src/routes/events/ae_comp__event_session_obj_li.svelte

@@ -31,6 +31,7 @@ let {
 
 import { ae_util } from '$lib/ae_utils/ae_utils';
 import {
+    Barcode,
     Bell,
     BellOff,
     CalendarDays,
@@ -166,6 +167,7 @@ function toggle_details(id: string) {
                                             <div class="flex flex-col items-end gap-0.5">
                                                 {#if !$events_loc.pres_mgmt.hide__session_code && session_obj?.code}
                                                     <span class="border-surface-300-700 text-surface-700-300 bg-surface-200-800 rounded border px-1.5 py-0.5 font-mono text-xs select-all hover:bg-surface-100-900">
+                                                    <Barcode size="1em" class="text-surface-600-400" />
                                                         {session_obj.code}
                                                     </span>
                                                 {/if}