fix(wisekeep): improve auth flow and redirect handling

- Fix login redirect to use /dashboard instead of /
- Simplify protected layout auth check with proper error handling
- Use static import and onMount for root page auth check
- Ensure isChecking is always set to false to prevent loader stuck

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/wisekeep/apps/web/src/routes/(auth)/login/+page.svelte

@@ -7,7 +7,7 @@
 	import AppSlider from '$lib/components/AppSlider.svelte';
 
 	// Get redirect URL from query params
-	const redirectTo = $derived($page.url.searchParams.get('redirectTo') || '/');
+	const redirectTo = $derived($page.url.searchParams.get('redirectTo') || '/dashboard');
 
 	// German translations
 	const translations = {

apps/wisekeep/apps/web/src/routes/(protected)/+layout.svelte

@@ -11,31 +11,32 @@
 	let isChecking = $state(true);
 
 	// Check auth on mount and redirect if not authenticated
-	onMount(() => {
-		const init = async () => {
-			try {
-				await authStore.initialize();
-			} catch (e) {
-				console.error('Auth init failed:', e);
+	onMount(async () => {
+		let shouldRedirect = false;
+
+		try {
+			await authStore.initialize();
+			shouldRedirect = !authStore.isAuthenticated;
+
+			if (!shouldRedirect) {
+				// Initialize WebSocket after auth check
+				initWebSocket();
 			}
+		} catch (error) {
+			console.error('Protected layout init error:', error);
+			shouldRedirect = true;
+		}
 
-			if (!authStore.isAuthenticated) {
-				const redirectTo = encodeURIComponent(data.pathname || '/dashboard');
-				goto(`/login?redirectTo=${redirectTo}`);
-				return;
-			}
+		// Always set isChecking to false
+		isChecking = false;
 
-			// Initialize WebSocket after auth check
-			initWebSocket();
-			isChecking = false;
-		};
-
-		init();
+		if (shouldRedirect) {
+			const redirectTo = encodeURIComponent(data.pathname || '/dashboard');
+			goto(`/login?redirectTo=${redirectTo}`);
+		}
 
 		// Return cleanup function
-		return () => {
-			cleanup();
-		};
+		return () => cleanup();
 	});
 
 	async function handleSignOut() {

apps/wisekeep/apps/web/src/routes/+page.svelte

@@ -1,21 +1,16 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
-	import { browser } from '$app/environment';
+	import { onMount } from 'svelte';
+	import { authStore } from '$lib/stores/auth.svelte';
 
-	async function checkAuthAndRedirect() {
-		const { authStore } = await import('$lib/stores/auth.svelte');
+	onMount(async () => {
 		await authStore.initialize();
-
 		if (authStore.isAuthenticated) {
 			goto('/dashboard', { replaceState: true });
 		} else {
 			goto('/login', { replaceState: true });
 		}
-	}
-
-	if (browser) {
-		checkAuthAndRedirect();
-	}
+	});
 </script>
 
 <svelte:head>