fix: sidebar model selector issue

src/lib/components/chat/ModelSelector/Selector.svelte

@@ -10,7 +10,7 @@
 
 	import { cancelOllamaRequest, deleteModel, getOllamaVersion, pullModel } from '$lib/apis/ollama';
 
-	import { user, MODEL_DOWNLOAD_POOL, models } from '$lib/stores';
+	import { user, MODEL_DOWNLOAD_POOL, models, mobile } from '$lib/stores';
 	import { toast } from 'svelte-sonner';
 	import { capitalizeFirstLetter, getModels, splitStream } from '$lib/utils';
 	import Tooltip from '$lib/components/common/Tooltip.svelte';
@@ -201,10 +201,11 @@
 			<ChevronDown className=" self-center ml-2 size-3" strokeWidth="2.5" />
 		</div>
 	</DropdownMenu.Trigger>
+
 	<DropdownMenu.Content
 		class=" z-40 {className} max-w-[calc(100vw-1rem)] justify-start rounded-lg  bg-white dark:bg-gray-900 dark:text-white shadow-lg border border-gray-300/30 dark:border-gray-700/50  outline-none "
 		transition={flyAndScale}
-		side={'bottom'}
+		side={$mobile ? 'bottom' : 'bottom-start'}
 		sideOffset={4}
 	>
 		<slot>

src/lib/components/layout/Sidebar.svelte

@@ -234,7 +234,7 @@
 			</button>
 			<a
 				id="sidebar-new-chat-button"
-				class="flex justify-between rounded-xl px-2 py-2 hover:bg-gray-100 dark:hover:bg-gray-900 transition"
+				class="flex justify-between rounded-xl px-2 py-2 hover:bg-gray-100 dark:hover:bg-gray-850 transition"
 				href="/"
 				on:click={async () => {
 					selectedChatId = null;

src/lib/stores/index.ts

@@ -9,6 +9,8 @@ export const user: Writable<SessionUser | undefined> = writable(undefined);
 // Frontend
 export const MODEL_DOWNLOAD_POOL = writable({});
 
+export const mobile = writable(false);
+
 export const theme = writable('system');
 export const chatId = writable('');
 

src/routes/+layout.svelte

 <script>
 	import { onMount, tick, setContext } from 'svelte';
-	import { config, user, theme, WEBUI_NAME } from '$lib/stores';
+	import { config, user, theme, WEBUI_NAME, mobile } from '$lib/stores';
 	import { goto } from '$app/navigation';
 	import { Toaster, toast } from 'svelte-sonner';
 
@@ -18,9 +18,22 @@
 	setContext('i18n', i18n);
 
 	let loaded = false;
+	const BREAKPOINT = 1024;
 
 	onMount(async () => {
 		theme.set(localStorage.theme);
+
+		mobile.set(window.innerWidth < BREAKPOINT);
+		const onResize = () => {
+			if (window.innerWidth < BREAKPOINT) {
+				mobile.set(true);
+			} else {
+				mobile.set(false);
+			}
+		};
+
+		window.addEventListener('resize', onResize);
+
 		let backendConfig = null;
 		try {
 			backendConfig = await getBackendConfig();
@@ -67,6 +80,10 @@
 
 		document.getElementById('splash-screen')?.remove();
 		loaded = true;
+
+		return () => {
+			window.removeEventListener('resize', onResize);
+		};
 	});
 </script>