refac/enh: unregisterServiceWorkers on update

src/routes/+layout.svelte

@@ -16,6 +16,7 @@
 		theme,
 		WEBUI_NAME,
 		WEBUI_VERSION,
+		WEBUI_DEPLOYMENT_ID,
 		mobile,
 		socket,
 		chatId,
@@ -54,9 +55,24 @@
 	import Spinner from '$lib/components/common/Spinner.svelte';
 	import { getUserSettings } from '$lib/apis/users';
 
+	const unregisterServiceWorkers = async () => {
+		if ('serviceWorker' in navigator) {
+			try {
+				const registrations = await navigator.serviceWorker.getRegistrations();
+				await Promise.all(registrations.map((r) => r.unregister()));
+				return true;
+			} catch (error) {
+				console.error('Error unregistering service workers:', error);
+				return false;
+			}
+		}
+		return false;
+	};
+
 	// handle frontend updates (https://svelte.dev/docs/kit/configuration#version)
-	beforeNavigate(({ willUnload, to }) => {
+	beforeNavigate(async ({ willUnload, to }) => {
 		if (updated.current && !willUnload && to?.url) {
+			await unregisterServiceWorkers();
 			location.href = to.url.href;
 		}
 	});
@@ -90,15 +106,30 @@
 
 		_socket.on('connect', async () => {
 			console.log('connected', _socket.id);
-			const version = await getVersion(localStorage.token);
-			if (version !== null) {
-				if ($WEBUI_VERSION !== null && version !== $WEBUI_VERSION) {
+			const res = await getVersion(localStorage.token);
+
+			const deploymentId = res?.deployment_id ?? null;
+			const version = res?.version ?? null;
+
+			if (version !== null || deploymentId !== null) {
+				if (
+					($WEBUI_VERSION !== null && version !== $WEBUI_VERSION) ||
+					($WEBUI_DEPLOYMENT_ID !== null && deploymentId !== $WEBUI_DEPLOYMENT_ID)
+				) {
+					await unregisterServiceWorkers();
 					location.href = location.href;
-				} else {
-					WEBUI_VERSION.set(version);
+					return;
 				}
 			}
 
+			if (deploymentId !== null) {
+				WEBUI_DEPLOYMENT_ID.set(deploymentId);
+			}
+
+			if (version !== null) {
+				WEBUI_VERSION.set(version);
+			}
+
 			console.log('version', version);
 
 			if (localStorage.getItem('token')) {