Fix sleep bug, fix menu return

src/lib/components/BottomNav.svelte

@@ -2,6 +2,7 @@
 <script lang="ts">
   import { page } from '$app/stores';
   import { goto } from '$app/navigation';
+  import { library } from '$lib/stores/library';
 
   // When a className is supplied the parent positions this bar (e.g. inside a
   // measured in-flow stack); otherwise it self-positions as a fixed bottom bar.
@@ -47,7 +48,7 @@
 
     <!-- Library Button -->
     <button
-      onclick={() => goto('/library')}
+      onclick={() => { library.setCurrentLibrary(null); goto('/library'); }}
       class="flex flex-col items-center gap-1 py-2 px-4 transition-colors {isActive('/library') ? 'text-[var(--color-jellyfin)]' : 'text-gray-400 hover:text-white'}"
       aria-label="Library"
     >

src/lib/components/player/VideoPlayer.svelte

@@ -12,7 +12,7 @@
   import SleepTimerModal from "./SleepTimerModal.svelte";
   import SleepTimerIndicator from "./SleepTimerIndicator.svelte";
   import CachedImage from "../common/CachedImage.svelte";
-  import { sleepTimerActive } from "$lib/stores/sleepTimer";
+  import { sleepTimerActive, sleepTimerExpiredSignal } from "$lib/stores/sleepTimer";
 
   interface Props {
     media: MediaItem | null;
@@ -209,6 +209,21 @@
   });
 
 
+  // Pause playback when the time-based sleep timer expires. The backend stops
+  // its own (MPV/ExoPlayer) playback itself, but the HTML5 <video> element
+  // plays in the webview outside the backend's control, so it must be paused
+  // here or the sleep timer never actually stops video playback on Linux.
+  let lastSleepExpirySeen = $sleepTimerExpiredSignal;
+  $effect(() => {
+    if ($sleepTimerExpiredSignal !== lastSleepExpirySeen) {
+      lastSleepExpirySeen = $sleepTimerExpiredSignal;
+      if (useHtml5Element && videoElement && !videoElement.paused) {
+        console.log("[VideoPlayer] Sleep timer expired - pausing playback");
+        videoElement.pause();
+      }
+    }
+  });
+
   // Set up HLS.js for HLS streams
   $effect(() => {
     if (!useHtml5Element || !videoElement || !currentStreamUrl) {