diff --git a/package.json b/package.json
index 4a05e5c1..cb48b398 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "homepage",
-	"version": "1.11.1",
+	"version": "1.11.2",
 	"private": true,
 	"type": "module",
 	"scripts": {
diff --git a/src/lib/components/LazyCategory.svelte b/src/lib/components/LazyCategory.svelte
index 0be2128c..999ce0c6 100644
--- a/src/lib/components/LazyCategory.svelte
+++ b/src/lib/components/LazyCategory.svelte
@@ -10,6 +10,7 @@
 		children
 	} = $props();
 
+	// svelte-ignore state_referenced_locally
 	let isVisible = $state(eager); // If eager=true, render immediately
 	/** @type {HTMLDivElement | null} */
 	let containerRef = $state(null);
diff --git a/src/lib/components/LazyImage.svelte b/src/lib/components/LazyImage.svelte
index 88fa58de..3a96773d 100644
--- a/src/lib/components/LazyImage.svelte
+++ b/src/lib/components/LazyImage.svelte
@@ -11,6 +11,7 @@
 		...restProps
 	} = $props();
 
+	// svelte-ignore state_referenced_locally
 	let shouldLoad = $state(eager);
 	/** @type {HTMLImageElement | null} */
 	let imgElement = $state(null);
diff --git a/src/lib/components/cospend/EnhancedBalance.svelte b/src/lib/components/cospend/EnhancedBalance.svelte
index 7f461b3c..d20c0f68 100644
--- a/src/lib/components/cospend/EnhancedBalance.svelte
+++ b/src/lib/components/cospend/EnhancedBalance.svelte
@@ -5,16 +5,19 @@
 
   let { initialBalance = null, initialDebtData = null } = $props<{ initialBalance?: any, initialDebtData?: any }>();
 
+  // svelte-ignore state_referenced_locally
   let balance = $state(initialBalance || {
     netBalance: 0,
     recentSplits: []
   });
+  // svelte-ignore state_referenced_locally
   let debtData = $state(initialDebtData || {
     whoOwesMe: [],
     whoIOwe: [],
     totalOwedToMe: 0,
     totalIOwe: 0
   });
+  // svelte-ignore state_referenced_locally
   let loading = $state(!initialBalance || !initialDebtData);
   let error = $state<string | null>(null);
 
diff --git a/src/lib/components/faith/BibleModal.svelte b/src/lib/components/faith/BibleModal.svelte
index 815b284e..2b6ae49f 100644
--- a/src/lib/components/faith/BibleModal.svelte
+++ b/src/lib/components/faith/BibleModal.svelte
@@ -17,10 +17,14 @@
 
   const isEnglish = $derived(lang === 'en');
 
+  // svelte-ignore state_referenced_locally
   let book: string = $state(verseData?.book || '');
+  // svelte-ignore state_referenced_locally
   let chapter: number = $state(verseData?.chapter || 0);
+  // svelte-ignore state_referenced_locally
   let verses: Array<{ verse: number; text: string }> = $state(verseData?.verses || []);
   let loading = $state(false);
+  // svelte-ignore state_referenced_locally
   let error = $state(verseData ? '' : (lang === 'en' ? 'No verse data available' : 'Keine Versdaten verfügbar'));
 
   function handleBackdropClick(event: MouseEvent) {
diff --git a/src/lib/components/fitness/PeriodTracker.svelte b/src/lib/components/fitness/PeriodTracker.svelte
index cec11b1b..d06e9c11 100644
--- a/src/lib/components/fitness/PeriodTracker.svelte
+++ b/src/lib/components/fitness/PeriodTracker.svelte
@@ -9,6 +9,7 @@
 	 */
 	let { periods: initialPeriods = [], lang = 'en', sharedWith: initialSharedWith = [], readOnly = false, ownerName = '' } = $props();
 
+	// svelte-ignore state_referenced_locally
 	let periods = $state([...initialPeriods]);
 	let loading = $state(false);
 	let showAddForm = $state(false);
@@ -24,6 +25,7 @@
 	let showHistory = $state(false);
 
 	// Sharing state
+	// svelte-ignore state_referenced_locally
 	let shareList = $state([...initialSharedWith]);
 	let showShare = $state(false);
 	let shareInput = $state('');
@@ -855,10 +857,10 @@
 
 <!-- Share modal -->
 {#if showShare}
-	<!-- svelte-ignore a11y_no_static_element_interactions -->
+	<!-- svelte-ignore a11y_no_static_element_interactions a11y_click_events_have_key_events -->
 	<div class="share-overlay" onclick={() => showShare = false} onkeydown={(e) => e.key === 'Escape' && (showShare = false)}>
-		<!-- svelte-ignore a11y_no_static_element_interactions -->
-		<div class="share-modal" onclick={(e) => e.stopPropagation()}>
+		<!-- svelte-ignore a11y_no_static_element_interactions a11y_click_events_have_key_events -->
+		<div class="share-modal" role="presentation" onclick={(e) => e.stopPropagation()}>
 			<div class="share-modal-header">
 				<h3>{t('share', lang)}</h3>
 				<button class="share-modal-close" onclick={() => showShare = false}>
diff --git a/src/lib/components/fitness/VideoOverlay.svelte b/src/lib/components/fitness/VideoOverlay.svelte
index f8ab4425..a87b584f 100644
--- a/src/lib/components/fitness/VideoOverlay.svelte
+++ b/src/lib/components/fitness/VideoOverlay.svelte
@@ -14,8 +14,8 @@
 
 <svelte:window onkeydown={handleKeydown} />
 
-<!-- svelte-ignore a11y_click_events_have_key_events a11y_no_static_element_interactions -->
-<div class="video-overlay" onclick={handleBackdrop}>
+<!-- svelte-ignore a11y_click_events_have_key_events -->
+<div class="video-overlay" role="presentation" onclick={handleBackdrop}>
 	<button class="close-btn" onclick={onClose} aria-label="Close video">
 		<X size={24} />
 	</button>
diff --git a/src/lib/components/recipes/BaseRecipeSelector.svelte b/src/lib/components/recipes/BaseRecipeSelector.svelte
index 583f83c0..7a33c5b6 100644
--- a/src/lib/components/recipes/BaseRecipeSelector.svelte
+++ b/src/lib/components/recipes/BaseRecipeSelector.svelte
@@ -15,6 +15,7 @@ let {
 } = $props();
 
 // Unique dialog ID based on type to prevent conflicts when both are on the same page
+// svelte-ignore state_referenced_locally
 const dialogId = `base-recipe-selector-modal-${type}`;
 
 let baseRecipes: any[] = $state([]);
diff --git a/src/lib/components/recipes/FavoritesFilter.svelte b/src/lib/components/recipes/FavoritesFilter.svelte
index 264f7fa6..a377d901 100644
--- a/src/lib/components/recipes/FavoritesFilter.svelte
+++ b/src/lib/components/recipes/FavoritesFilter.svelte
@@ -11,6 +11,7 @@
 	const isEnglish = $derived(lang === 'en');
 	const label = $derived(isEnglish ? 'Favorites' : 'Favoriten');
 
+	// svelte-ignore state_referenced_locally
 	let checked = $state(enabled);
 
 	// Watch for changes to checked and call onToggle
diff --git a/src/lib/components/recipes/IngredientsPage.svelte b/src/lib/components/recipes/IngredientsPage.svelte
index 32126b7b..deb35884 100644
--- a/src/lib/components/recipes/IngredientsPage.svelte
+++ b/src/lib/components/recipes/IngredientsPage.svelte
@@ -120,6 +120,7 @@ const flattenedIngredients = $derived.by(() => {
 	const lang = data.lang || 'de';
 	return flattenIngredientReferences(data.ingredients, lang);
 });
+// svelte-ignore state_referenced_locally
 let multiplier = $state(data.multiplier || 1);
 
 const isEnglish = $derived(data.lang === 'en');
@@ -138,10 +139,15 @@ const labels = $derived({
 
 // Cake form scaling
 const hasDefaultForm = $derived(!!data.defaultForm?.shape);
+// svelte-ignore state_referenced_locally
 let userFormShape = $state(data.defaultForm?.shape || 'round');
+// svelte-ignore state_referenced_locally
 let userFormDiameter = $state(data.defaultForm?.diameter || 26);
+// svelte-ignore state_referenced_locally
 let userFormWidth = $state(data.defaultForm?.width || 20);
+// svelte-ignore state_referenced_locally
 let userFormLength = $state(data.defaultForm?.length || 30);
+// svelte-ignore state_referenced_locally
 let userFormInnerDiameter = $state(data.defaultForm?.innerDiameter || 8);
 
 /** @param {string} shape @param {number} diameter @param {number} width @param {number} length @param {number} innerDiameter */
diff --git a/src/lib/components/recipes/InstructionsPage.svelte b/src/lib/components/recipes/InstructionsPage.svelte
index 4ad2605a..e7293b39 100644
--- a/src/lib/components/recipes/InstructionsPage.svelte
+++ b/src/lib/components/recipes/InstructionsPage.svelte
@@ -1,6 +1,7 @@
 <script>
 let { data } = $props();
 
+// svelte-ignore state_referenced_locally
 let multiplier = $state(data.multiplier || 1);
 
 // Recursively flatten nested instruction references
diff --git a/src/lib/components/recipes/LogicModeToggle.svelte b/src/lib/components/recipes/LogicModeToggle.svelte
index d9e04a2c..e306a141 100644
--- a/src/lib/components/recipes/LogicModeToggle.svelte
+++ b/src/lib/components/recipes/LogicModeToggle.svelte
@@ -11,6 +11,7 @@
 	const andLabel = $derived(isEnglish ? 'AND' : 'UND');
 	const orLabel = $derived(isEnglish ? 'OR' : 'ODER');
 
+	// svelte-ignore state_referenced_locally
 	let checked = $state(useAndLogic);
 
 	// Watch for changes to checked and call onToggle
diff --git a/src/lib/components/recipes/TranslationApproval.svelte b/src/lib/components/recipes/TranslationApproval.svelte
index 8c0236f3..128a44d0 100644
--- a/src/lib/components/recipes/TranslationApproval.svelte
+++ b/src/lib/components/recipes/TranslationApproval.svelte
@@ -28,6 +28,7 @@
 	}: Props = $props();
 
 	type TranslationState = 'idle' | 'translating' | 'preview' | 'approved' | 'error';
+	// svelte-ignore state_referenced_locally
 	let translationState = $state<TranslationState>(englishData ? 'preview' : 'idle');
 	let errorMessage = $state('');
 	let validationErrors = $state<string[]>([]);
@@ -43,6 +44,7 @@
 	}
 
 	// Eagerly initialize editableEnglish from germanData if no English translation exists
+	// svelte-ignore state_referenced_locally
 	let editableEnglish = $state<any>(
 		englishData ? {
 			...englishData,
diff --git a/src/lib/components/tasks/TaskForm.svelte b/src/lib/components/tasks/TaskForm.svelte
index 1ccb738f..0eef8a44 100644
--- a/src/lib/components/tasks/TaskForm.svelte
+++ b/src/lib/components/tasks/TaskForm.svelte
@@ -31,17 +31,27 @@
     { tag: 'müll', icon: Trash2 },
   ];
 
+  // svelte-ignore state_referenced_locally
   let title = $state(task?.title || '');
+  // svelte-ignore state_referenced_locally
   let description = $state(task?.description || '');
   /** @type {string[]} */
+  // svelte-ignore state_referenced_locally
   let selectedAssignees = $state(task?.assignees ? [...task.assignees] : []);
   /** @type {string[]} */
+  // svelte-ignore state_referenced_locally
   let selectedTags = $state(task?.tags ? [...task.tags] : []);
+  // svelte-ignore state_referenced_locally
   let difficulty = $state(task?.difficulty || '');
+  // svelte-ignore state_referenced_locally
   let refreshMode = $state(task?.refreshMode || 'completion');
+  // svelte-ignore state_referenced_locally
   let isRecurring = $state(task?.isRecurring || false);
+  // svelte-ignore state_referenced_locally
   let frequencyType = $state(task?.frequency?.type || 'weekly');
+  // svelte-ignore state_referenced_locally
   let customDays = $state(task?.frequency?.customDays || 7);
+  // svelte-ignore state_referenced_locally
   let nextDueDate = $state(
     task?.nextDueDate
       ? new Date(task.nextDueDate).toISOString().split('T')[0]
diff --git a/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/+page.svelte b/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/+page.svelte
index f7d636a4..b46d21b4 100644
--- a/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/+page.svelte
+++ b/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/+page.svelte
@@ -32,6 +32,7 @@
 	let { data } = $props();
 
 	// Create language context for prayer components
+	// svelte-ignore state_referenced_locally
 	const langContext = createLanguageContext({ urlLang: /** @type {'de' | 'en'} */(data.lang), initialLatin: data.lang === 'la' ? true : data.initialLatin });
 
 	// Update lang store when data.lang changes (e.g., after navigation)
@@ -113,6 +114,7 @@
 		postcommunio: ['eucharistic'],
 	};
 
+	// svelte-ignore state_referenced_locally
 	let selectedCategory = $state(data.initialCategory);
 
 	// JS-only search (hidden without JS)
diff --git a/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/[prayer]/+page.svelte b/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/[prayer]/+page.svelte
index 667ef6d3..63705489 100644
--- a/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/[prayer]/+page.svelte
+++ b/src/routes/[faithLang=faithLang]/[prayers=prayersLang]/[prayer]/+page.svelte
@@ -27,6 +27,7 @@
 
 	let { data } = $props();
 
+	// svelte-ignore state_referenced_locally
 	const langContext = createLanguageContext({ urlLang: /** @type {'de' | 'en'} */(data.lang), initialLatin: data.lang === 'la' ? true : data.initialLatin });
 
 	$effect(() => {
diff --git a/src/routes/[faithLang=faithLang]/[rosary=rosaryLang]/+page.svelte b/src/routes/[faithLang=faithLang]/[rosary=rosaryLang]/+page.svelte
index 85f04cf2..9c835846 100644
--- a/src/routes/[faithLang=faithLang]/[rosary=rosaryLang]/+page.svelte
+++ b/src/routes/[faithLang=faithLang]/[rosary=rosaryLang]/+page.svelte
@@ -30,9 +30,11 @@ import { setupScrollSync } from "./rosaryScrollSync.js";
 let { data } = $props();
 
 // Toggle for including Luminous mysteries (initialized from URL param or default)
+// svelte-ignore state_referenced_locally
 let includeLuminous = $state(data.initialLuminous);
 
 // Toggle for showing mystery images (initialized from URL param or default)
+// svelte-ignore state_referenced_locally
 let showImages = $state(data.initialShowImages);
 
 // Flag to prevent saving before we've loaded from localStorage
@@ -40,6 +42,7 @@ let hasLoadedFromStorage = $state(false);
 
 // Create language context for prayer components (LanguageToggle will use this)
 // For Latin route, force showLatin on so only Latin prayers render
+// svelte-ignore state_referenced_locally
 const langContext = createLanguageContext({ urlLang: /** @type {'en'|'de'} */ (data.lang), initialLatin: data.lang === 'la' ? true : data.initialLatin });
 
 // Update lang store when data.lang changes (e.g., after navigation)
@@ -71,8 +74,9 @@ $effect(() => {
 });
 
 // Use server-computed initial values (supports no-JS via URL params)
+// svelte-ignore state_referenced_locally
 let selectedMystery = $state(/** @type {MysteryType} */ (data.initialMystery));
-let todaysMystery = $state(/** @type {MysteryType} */ (data.todaysMystery));
+let todaysMystery = $derived(/** @type {MysteryType} */ (data.todaysMystery));
 
 // Derive these values from selectedMystery so they update automatically
 let currentMysteries = $derived(mysteries[selectedMystery]);
diff --git a/src/routes/[recipeLang=recipeLang]/+page.svelte b/src/routes/[recipeLang=recipeLang]/+page.svelte
index eeeb01c4..1eb60b58 100644
--- a/src/routes/[recipeLang=recipeLang]/+page.svelte
+++ b/src/routes/[recipeLang=recipeLang]/+page.svelte
@@ -27,6 +27,7 @@
 	const hasHashedImage = (r: any) => r.images?.length > 0 && /\.\w+\.\w+$/.test(r.images[0].mediapath);
 
 	// Server-generated random index ensures SSR and client pick the same hero
+	// svelte-ignore state_referenced_locally
 	const heroIndex = data.heroIndex;
 	const heroRecipe = $derived.by(() => {
 		const seasonPool = data.season.filter(hasHashedImage);
diff --git a/src/routes/[recipeLang=recipeLang]/admin/nutrition/+page.svelte b/src/routes/[recipeLang=recipeLang]/admin/nutrition/+page.svelte
index ac4668c7..71c38249 100644
--- a/src/routes/[recipeLang=recipeLang]/admin/nutrition/+page.svelte
+++ b/src/routes/[recipeLang=recipeLang]/admin/nutrition/+page.svelte
@@ -1,6 +1,8 @@
 <script>
 	let { data } = $props();
+	// svelte-ignore state_referenced_locally
 	const isEnglish = data.lang === 'en';
+	// svelte-ignore state_referenced_locally
 	const recipeLang = data.recipeLang;
 
 	let processing = $state(false);
diff --git a/src/routes/[recipeLang=recipeLang]/administration/+page.svelte b/src/routes/[recipeLang=recipeLang]/administration/+page.svelte
index 562666dd..e2d0360c 100644
--- a/src/routes/[recipeLang=recipeLang]/administration/+page.svelte
+++ b/src/routes/[recipeLang=recipeLang]/administration/+page.svelte
@@ -3,12 +3,14 @@
 
 	let { data } = $props<{ data: PageData }>();
 
+	// svelte-ignore state_referenced_locally
 	const isEnglish = data.lang === 'en';
 	const pageTitle = isEnglish ? 'Administration' : 'Administration';
 	const pageDescription = isEnglish
 		? 'Manage recipes and content'
 		: 'Rezepte und Inhalte verwalten';
 
+	// svelte-ignore state_referenced_locally
 	const links = [
 		{
 			title: isEnglish ? 'Untranslated Recipes' : 'Unübersetzte Rezepte',
diff --git a/src/routes/[recipeLang=recipeLang]/edit/[name]/+page.svelte b/src/routes/[recipeLang=recipeLang]/edit/[name]/+page.svelte
index 9c092cee..839ed049 100644
--- a/src/routes/[recipeLang=recipeLang]/edit/[name]/+page.svelte
+++ b/src/routes/[recipeLang=recipeLang]/edit/[name]/+page.svelte
@@ -19,10 +19,14 @@
 
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 
-	// Recipe data state
+	// Recipe data state — all form fields initialized from server data (intentionally local mutable state)
+	// svelte-ignore state_referenced_locally
 	let preamble = $state(data.recipe.preamble || "");
+	// svelte-ignore state_referenced_locally
 	let addendum = $state(data.recipe.addendum || "");
+	// svelte-ignore state_referenced_locally
 	let note = $state(data.recipe.note || "");
+	// svelte-ignore state_referenced_locally
 	let image_preview_url = $state(
 		"https://bocken.org/static/rezepte/thumb/" +
 			(data.recipe.images?.[0]?.mediapath || `${data.recipe.short_name}.webp`)
@@ -31,15 +35,20 @@
 
 	// Translation workflow state
 	let showTranslationWorkflow = $state(false);
+	// svelte-ignore state_referenced_locally
 	let translationData = $state<any>(data.recipe.translations?.en || null);
 	let changedFields = $state<string[]>([]);
 
 	// Store original recipe data for change detection
+	// svelte-ignore state_referenced_locally
 	const originalRecipe = JSON.parse(JSON.stringify(data.recipe));
+	// svelte-ignore state_referenced_locally
 	const old_short_name = data.recipe.short_name;
 
 	// Season and portions stores
+	// svelte-ignore state_referenced_locally
 	portions.update(() => data.recipe.portions || "");
+	// svelte-ignore state_referenced_locally
 	let portions_local = $state<string>(data.recipe.portions || "");
 	$effect(() => {
 		portions.subscribe((p) => {
@@ -47,7 +56,9 @@
 		});
 	});
 
+	// svelte-ignore state_referenced_locally
 	season.update(() => data.recipe.season || []);
+	// svelte-ignore state_referenced_locally
 	let season_local = $state<number[]>(data.recipe.season || []);
 	$effect(() => {
 		season.subscribe((s) => {
@@ -55,6 +66,7 @@
 		});
 	});
 
+	// svelte-ignore state_referenced_locally
 	let card_data = $state({
 		icon: data.recipe.icon || "",
 		category: data.recipe.category || "",
@@ -63,6 +75,7 @@
 		tags: data.recipe.tags || [],
 	});
 
+	// svelte-ignore state_referenced_locally
 	let add_info = $state({
 		preparation: data.recipe.preparation || "",
 		fermentation: {
@@ -78,13 +91,20 @@
 		cooking: data.recipe.cooking || "",
 	});
 
+	// svelte-ignore state_referenced_locally
 	let images = $state(data.recipe.images || []);
+	// svelte-ignore state_referenced_locally
 	let short_name = $state(data.recipe.short_name || "");
+	// svelte-ignore state_referenced_locally
 	let datecreated = $state(data.recipe.datecreated);
 	let datemodified = $state(new Date());
+	// svelte-ignore state_referenced_locally
 	let isBaseRecipe = $state(data.recipe.isBaseRecipe || false);
+	// svelte-ignore state_referenced_locally
 	let defaultForm = $state(data.recipe.defaultForm ? { ...data.recipe.defaultForm } : null);
+	// svelte-ignore state_referenced_locally
 	let ingredients = $state(data.recipe.ingredients || []);
+	// svelte-ignore state_referenced_locally
 	let instructions = $state(data.recipe.instructions || []);
 
 	// Form submission state
@@ -245,6 +265,7 @@
 	}
 
 	// Nutrition state — all edits are local until form save
+	// svelte-ignore state_referenced_locally
 	let nutritionMappings = $state<any[]>(data.recipe.nutritionMappings || []);
 	let generatingNutrition = $state(false);
 	let searchQueries = $state<Record<string, string>>({});
diff --git a/src/routes/[recipeLang=recipeLang]/to-try/+page.svelte b/src/routes/[recipeLang=recipeLang]/to-try/+page.svelte
index a153df7f..d3c690a8 100644
--- a/src/routes/[recipeLang=recipeLang]/to-try/+page.svelte
+++ b/src/routes/[recipeLang=recipeLang]/to-try/+page.svelte
@@ -3,6 +3,7 @@
 
 	let { data } = $props();
 
+	// svelte-ignore state_referenced_locally
 	let items = $state(data.items ?? []);
 
 	const isEnglish = $derived(data.lang === 'en');
diff --git a/src/routes/cospend/+layout.svelte b/src/routes/cospend/+layout.svelte
index 00840930..a5cd9a2d 100644
--- a/src/routes/cospend/+layout.svelte
+++ b/src/routes/cospend/+layout.svelte
@@ -14,7 +14,7 @@
   let showModal = $state(false);
   /** @type {string | null} */
   let paymentId = $state(null);
-  let user = $state(data.session?.user);
+  let user = $derived(data.session?.user);
   let isGuest = $derived(!data.session?.user);
 
   $effect(() => {
diff --git a/src/routes/cospend/dash/+page.svelte b/src/routes/cospend/dash/+page.svelte
index 00688ee5..d09bd44c 100644
--- a/src/routes/cospend/dash/+page.svelte
+++ b/src/routes/cospend/dash/+page.svelte
@@ -1,6 +1,7 @@
 <script>
   import { onMount } from 'svelte';
   import { page } from '$app/stores';
+  import { invalidateAll } from '$app/navigation';
   import { pushState } from '$app/navigation';
   import ProfilePicture from '$lib/components/cospend/ProfilePicture.svelte';
   import EnhancedBalance from '$lib/components/cospend/EnhancedBalance.svelte';
@@ -16,14 +17,14 @@
   let { data } = $props(); // Contains session data and balance from server
 
   // Use server-side data, with fallback for progressive enhancement
-  let balance = $state(data.balance || {
+  let balance = $derived(data.balance || {
     netBalance: 0,
     recentSplits: []
   });
-  let loading = $state(false); // Start as false since we have server data
+  let loading = $state(false);
   /** @type {string | null} */
   let error = $state(null);
-  let monthlyExpensesData = $state(/** @type {any} */ (data).monthlyExpensesData || { labels: [], datasets: [] });
+  let monthlyExpensesData = $state(/** @type {any} */ ({ labels: [], datasets: [] }));
   let expensesLoading = $state(false);
   /** @type {string[] | null} */
   let categoryFilter = $state(null);
@@ -40,71 +41,31 @@
   /** @type {any} */
   let debtBreakdownComponent;
 
-  // Progressive enhancement: refresh data if JavaScript is available
-  onMount(() => {
-    // Mark that JavaScript is loaded for progressive enhancement
-    document.body.classList.add('js-loaded');
-
-    // Only fetch if we don't have server-side data
-    if (!balance.recentSplits || balance.recentSplits.length === 0) {
-      fetchBalance();
-    }
-
-    if (!monthlyExpensesData.datasets || monthlyExpensesData.datasets.length === 0) {
-      fetchMonthlyExpenses();
-    }
-
-    // Listen for dashboard refresh events from the layout
-    const handleDashboardRefresh = () => {
-      refreshAllComponents();
-    };
-
-    window.addEventListener('dashboardRefresh', handleDashboardRefresh);
-
-    // Cleanup
-    return () => {
-      window.removeEventListener('dashboardRefresh', handleDashboardRefresh);
-    };
-  });
-
-  async function fetchBalance() {
-    try {
-      loading = true;
-      const response = await fetch('/api/cospend/balance');
-      if (!response.ok) {
-        throw new Error('Failed to fetch balance');
-      }
-      balance = await response.json();
-    } catch (err) {
-      error = err instanceof Error ? err.message : String(err);
-    } finally {
-      loading = false;
-    }
-  }
-
   async function fetchMonthlyExpenses() {
     try {
       expensesLoading = true;
       const response = await fetch('/api/cospend/monthly-expenses');
-      if (!response.ok) {
-        throw new Error('Failed to fetch monthly expenses');
-      }
-      monthlyExpensesData = await response.json();
+      if (response.ok) monthlyExpensesData = await response.json();
     } catch (err) {
       console.error('Error fetching monthly expenses:', err);
-      // Don't show this error in the main error state
     } finally {
       expensesLoading = false;
     }
   }
 
+  // Progressive enhancement: refresh data if JavaScript is available
+  onMount(() => {
+    document.body.classList.add('js-loaded');
+    fetchMonthlyExpenses();
+
+    const handleDashboardRefresh = () => { refreshAllComponents(); };
+    window.addEventListener('dashboardRefresh', handleDashboardRefresh);
+    return () => { window.removeEventListener('dashboardRefresh', handleDashboardRefresh); };
+  });
+
   // Function to refresh all dashboard components after payment deletion
   async function refreshAllComponents() {
-    // Refresh the main balance and recent activity
-    await Promise.all([
-      fetchBalance(),
-      fetchMonthlyExpenses()
-    ]);
+    await Promise.all([invalidateAll(), fetchMonthlyExpenses()]);
 
     // Refresh the enhanced balance component if it exists and has a refresh method
     if (enhancedBalanceComponent && enhancedBalanceComponent.refresh) {
diff --git a/src/routes/cospend/list/+page.svelte b/src/routes/cospend/list/+page.svelte
index 0ca0e6e4..5eaa282a 100644
--- a/src/routes/cospend/list/+page.svelte
+++ b/src/routes/cospend/list/+page.svelte
@@ -475,6 +475,7 @@
     <div class="edit-modal" onclick={(e) => e.stopPropagation()}>
       <h3>{parseQuantity(editingItem.name).name}</h3>
 
+      <!-- svelte-ignore a11y_label_has_associated_control -->
       <label class="edit-label">Kategorie</label>
       <div class="category-picker">
         {#each SHOPPING_CATEGORIES as cat}
@@ -492,6 +493,7 @@
         {/each}
       </div>
 
+      <!-- svelte-ignore a11y_label_has_associated_control -->
       <label class="edit-label">Icon</label>
       <div class="icon-search">
         <Search size={14} />
@@ -838,6 +840,7 @@
     text-overflow: ellipsis;
     display: -webkit-box;
     -webkit-line-clamp: 2;
+    line-clamp: 2;
     -webkit-box-orient: vertical;
     word-break: break-word;
   }
diff --git a/src/routes/cospend/payments/+page.svelte b/src/routes/cospend/payments/+page.svelte
index d12cc1e5..3d4b1e65 100644
--- a/src/routes/cospend/payments/+page.svelte
+++ b/src/routes/cospend/payments/+page.svelte
@@ -13,12 +13,16 @@
   let { data } = $props();
 
   // Use server-side data with progressive enhancement
+  // svelte-ignore state_referenced_locally
   let payments = $state(data.payments || []);
   let loading = $state(false); // Start as false since we have server data
   /** @type {string | null} */
   let error = $state(null);
+  // svelte-ignore state_referenced_locally
   let currentPage = $state(Math.floor(data.currentOffset / data.limit));
+  // svelte-ignore state_referenced_locally
   let limit = $state(data.limit || 20);
+  // svelte-ignore state_referenced_locally
   let hasMore = $state(data.hasMore || false);
 
   // Re-sync local state when server data changes (e.g. URL param navigation)
diff --git a/src/routes/cospend/payments/add/+page.svelte b/src/routes/cospend/payments/add/+page.svelte
index 42244a0b..6e121ed5 100644
--- a/src/routes/cospend/payments/add/+page.svelte
+++ b/src/routes/cospend/payments/add/+page.svelte
@@ -16,7 +16,9 @@
 
   // Initialize form data with server values if available (for error handling)
   /** @type {Record<string, any>} */
+  // svelte-ignore state_referenced_locally
   const formValues = form?.values || {};
+  // svelte-ignore state_referenced_locally
   let formData = $state({
     title: /** @type {string} */ (formValues.title || ''),
     description: /** @type {string} */ (formValues.description || ''),
@@ -31,6 +33,7 @@
   });
 
   // Recurring payment settings
+  // svelte-ignore state_referenced_locally
   let recurringData = $state({
     frequency: /** @type {string} */ (formValues.recurringFrequency || 'monthly'),
     cronExpression: /** @type {string} */ (formValues.recurringCronExpression || ''),
@@ -49,7 +52,9 @@
   let personalAmounts = $state({});
   let loading = $state(false);
   /** @type {string | null} */
+  // svelte-ignore state_referenced_locally
   let error = $state(form?.error || null);
+  // svelte-ignore state_referenced_locally
   let predefinedMode = $state(data.predefinedUsers.length > 0);
   let jsEnhanced = $state(false);
   let cronError = $state(false);
@@ -67,6 +72,7 @@
   let exchangeRateTimeout = $state();
 
   // Initialize users from server data for no-JS support (use data directly to avoid reactivity warning)
+  // svelte-ignore state_referenced_locally
   const initialUsers = data.predefinedUsers.length > 0 ? [...data.predefinedUsers] : (data.currentUser ? [data.currentUser] : []);
   let users = $state(initialUsers);
 
diff --git a/src/routes/cospend/payments/view/[id]/+page.svelte b/src/routes/cospend/payments/view/[id]/+page.svelte
index 6d672b90..cfbeb629 100644
--- a/src/routes/cospend/payments/view/[id]/+page.svelte
+++ b/src/routes/cospend/payments/view/[id]/+page.svelte
@@ -1,6 +1,6 @@
 <script>
   import { onMount } from 'svelte';
-  import { goto } from '$app/navigation';
+  import { goto, invalidateAll } from '$app/navigation';
   import ProfilePicture from '$lib/components/cospend/ProfilePicture.svelte';
   import { getCategoryEmoji, getCategoryName } from '$lib/utils/categories';
   import EditButton from '$lib/components/EditButton.svelte';
@@ -12,8 +12,8 @@
 
   // Use server-side data with progressive enhancement
   /** @type {any | null} */
-  let payment = $state(data.payment || null);
-  let loading = $state(false); // Start as false since we have server data
+  let payment = $derived(data.payment || null);
+  let loading = $state(false);
   /** @type {string | null} */
   let error = $state(null);
 
@@ -24,26 +24,10 @@
 
     // Only refresh if we don't have server data
     if (!payment) {
-      await loadPayment();
+      await invalidateAll();
     }
   });
 
-  async function loadPayment() {
-    try {
-      loading = true;
-      const response = await fetch(`/api/cospend/payments/${data.paymentId}`);
-      if (!response.ok) {
-        throw new Error('Failed to load payment');
-      }
-      const result = await response.json();
-      payment = result.payment;
-    } catch (err) {
-      error = err instanceof Error ? err.message : String(err);
-    } finally {
-      loading = false;
-    }
-  }
-
   function formatAmountWithCurrency(/** @type {any} */ payment) {
     if (payment.currency === 'CHF' || !payment.originalAmount) {
       return formatCurrency(payment.amount, 'CHF', 'de-CH');
diff --git a/src/routes/cospend/recurring/edit/[id]/+page.svelte b/src/routes/cospend/recurring/edit/[id]/+page.svelte
index e231b807..375fde22 100644
--- a/src/routes/cospend/recurring/edit/[id]/+page.svelte
+++ b/src/routes/cospend/recurring/edit/[id]/+page.svelte
@@ -11,6 +11,7 @@
 
   let { data } = $props();
 
+  // svelte-ignore state_referenced_locally
   let formData = $state({
     title: '',
     description: '',
diff --git a/src/routes/cospend/settle/+page.svelte b/src/routes/cospend/settle/+page.svelte
index 848f8596..37e6f133 100644
--- a/src/routes/cospend/settle/+page.svelte
+++ b/src/routes/cospend/settle/+page.svelte
@@ -10,7 +10,7 @@
   let { data, form } = $props();
 
   // Use server-side data with progressive enhancement
-  let debtData = $state(data.debtData || {
+  let debtData = $derived(data.debtData || {
     whoOwesMe: [],
     whoIOwe: [],
     totalOwedToMe: 0,
@@ -18,9 +18,11 @@
   });
   let loading = $state(false); // Start as false since we have server data
   /** @type {string | null} */
+  // svelte-ignore state_referenced_locally
   let error = $state(data.error || form?.error || null);
   /** @type {{ type: string; from: string; to: string; amount: number; description: string } | null} */
   let selectedSettlement = $state(null);
+  // svelte-ignore state_referenced_locally
   let settlementAmount = $state(form?.values?.amount || '');
   let submitting = $state(false);
   let predefinedMode = isPredefinedUsersMode();
diff --git a/src/routes/fitness/[history=fitnessHistory]/+page.svelte b/src/routes/fitness/[history=fitnessHistory]/+page.svelte
index b7f2dba8..08e6759f 100644
--- a/src/routes/fitness/[history=fitnessHistory]/+page.svelte
+++ b/src/routes/fitness/[history=fitnessHistory]/+page.svelte
@@ -8,7 +8,9 @@
 
 	let { data } = $props();
 
+	// svelte-ignore state_referenced_locally
 	let sessions = $state(data.sessions?.sessions ? [...data.sessions.sessions] : []);
+	// svelte-ignore state_referenced_locally
 	let total = $state(data.sessions?.total ? data.sessions.total : 0);
 	let loading = $state(false);
 	let page = $state(1);
diff --git a/src/routes/fitness/[measure=fitnessMeasure]/+page.svelte b/src/routes/fitness/[measure=fitnessMeasure]/+page.svelte
index ac8314c3..9a69b3ce 100644
--- a/src/routes/fitness/[measure=fitnessMeasure]/+page.svelte
+++ b/src/routes/fitness/[measure=fitnessMeasure]/+page.svelte
@@ -13,14 +13,20 @@
 	let { data } = $props();
 	const workout = getWorkout();
 
+	// svelte-ignore state_referenced_locally
 	let latest = $state(data.latest ? { ...data.latest } : {});
+	// svelte-ignore state_referenced_locally
 	let measurements = $state(data.measurements?.measurements ? [...data.measurements.measurements] : []);
 	let showWeightHistory = $state(false);
 
 	// Profile fields (sex, height, birth year) — stored in FitnessGoal
+	// svelte-ignore state_referenced_locally
 	let savedSex = $state(data.profile?.sex ?? 'male');
+	// svelte-ignore state_referenced_locally
 	let profileSex = $state(data.profile?.sex ?? 'male');
+	// svelte-ignore state_referenced_locally
 	let profileHeight = $state(data.profile?.heightCm != null ? String(data.profile.heightCm) : '');
+	// svelte-ignore state_referenced_locally
 	let profileBirthYear = $state(data.profile?.birthYear != null ? String(data.profile.birthYear) : '');
 	let profileSaving = $state(false);
 	let profileEditing = $state(false);
@@ -146,7 +152,8 @@
 	{#if profileEditing}
 		<div class="profile-fields">
 			<div class="form-group">
-				<label>{t('sex', lang)}</label>
+				<!-- svelte-ignore a11y_label_has_associated_control -->
+			<label>{t('sex', lang)}</label>
 				<div class="sex-pills">
 					<button class="sex-pill" class:active={profileSex === 'male'} onclick={() => profileSex = 'male'}>
 						<Mars size={14} /> {t('male', lang)}
@@ -357,7 +364,7 @@
 		text-transform: uppercase;
 		letter-spacing: 0.04em;
 	}
-	.form-group input, .form-group select {
+	.form-group input {
 		padding: 0.4rem 0.5rem;
 		border: 1px solid var(--color-border);
 		border-radius: 6px;
diff --git a/src/routes/fitness/[measure=fitnessMeasure]/edit/[id]/+page.svelte b/src/routes/fitness/[measure=fitnessMeasure]/edit/[id]/+page.svelte
index f3a14960..48f54a65 100644
--- a/src/routes/fitness/[measure=fitnessMeasure]/edit/[id]/+page.svelte
+++ b/src/routes/fitness/[measure=fitnessMeasure]/edit/[id]/+page.svelte
@@ -10,6 +10,7 @@
 	const measureSlug = $derived(lang === 'en' ? 'measure' : 'messen');
 
 	let { data } = $props();
+	// svelte-ignore state_referenced_locally
 	const m = data.measurement?.measurement;
 
 	let saving = $state(false);
diff --git a/src/routes/fitness/[nutrition=fitnessNutrition]/+page.svelte b/src/routes/fitness/[nutrition=fitnessNutrition]/+page.svelte
index 66725686..2fa91d64 100644
--- a/src/routes/fitness/[nutrition=fitnessNutrition]/+page.svelte
+++ b/src/routes/fitness/[nutrition=fitnessNutrition]/+page.svelte
@@ -15,6 +15,7 @@
 	let { data } = $props();
 
 	// --- Date navigation ---
+	// svelte-ignore state_referenced_locally
 	let currentDate = $state(data.date);
 	const todayStr = new Date().toISOString().slice(0, 10);
 	const isToday = $derived(currentDate === todayStr);
@@ -37,7 +38,9 @@
 	}
 
 	// --- Entries ---
+	// svelte-ignore state_referenced_locally
 	let entries = $state(data.foodLog?.entries ?? []);
+	// svelte-ignore state_referenced_locally
 	let recipeImages = $state(data.recipeImages ?? {});
 
 	async function loadEntries() {
@@ -53,13 +56,21 @@
 	});
 
 	// --- Goals ---
+	// svelte-ignore state_referenced_locally
 	let goalCalories = $state(data.goal?.dailyCalories ?? null);
+	// svelte-ignore state_referenced_locally
 	let goalProteinMode = $state(data.goal?.proteinMode ?? 'fixed');
+	// svelte-ignore state_referenced_locally
 	let goalProteinTarget = $state(data.goal?.proteinTarget ?? null);
+	// svelte-ignore state_referenced_locally
 	let goalFatPercent = $state(data.goal?.fatPercent ?? null);
+	// svelte-ignore state_referenced_locally
 	let goalCarbPercent = $state(data.goal?.carbPercent ?? null);
+	// svelte-ignore state_referenced_locally
 	let goalSex = $state(data.goal?.sex ?? 'male');
+	// svelte-ignore state_referenced_locally
 	let activityLevel = $state(data.goal?.activityLevel ?? 'light');
+	// svelte-ignore state_referenced_locally
 	let latestWeight = $state(data.latestWeight?.weight?.value ?? null);
 
 	let showGoalEditor = $state(false);
@@ -395,6 +406,7 @@
 	const carbGoalGrams = $derived(goalCalories && goalCarbPercent ? (goalCalories * goalCarbPercent / 100) / 4 : null);
 
 	// --- Burned kcal ---
+	// svelte-ignore state_referenced_locally
 	let exerciseKcal = $state(Number(data.exerciseKcal) || 0);
 
 	// BMR via Mifflin-St Jeor (doi:10.1093/ajcn/51.2.241)
@@ -2417,9 +2429,6 @@
 		font-variant-numeric: tabular-nums;
 	}
 
-	.meal-section {
-
-	}
 	.meal-header {
 		display: flex;
 		align-items: center;
@@ -2505,6 +2514,7 @@
 		text-overflow: ellipsis;
 		display: -webkit-box;
 		-webkit-line-clamp: 2;
+		line-clamp: 2;
 		-webkit-box-orient: vertical;
 	}
 	.food-card-link {
diff --git a/src/routes/fitness/[stats=fitnessStats]/+page.svelte b/src/routes/fitness/[stats=fitnessStats]/+page.svelte
index f34541a9..5498d81e 100644
--- a/src/routes/fitness/[stats=fitnessStats]/+page.svelte
+++ b/src/routes/fitness/[stats=fitnessStats]/+page.svelte
@@ -1,4 +1,5 @@
 <script>
+	import { invalidateAll } from '$app/navigation';
 	import { page } from '$app/stores';
 	import FitnessChart from '$lib/components/fitness/FitnessChart.svelte';
 	import MuscleHeatmap from '$lib/components/fitness/MuscleHeatmap.svelte';
@@ -35,8 +36,8 @@
 
 	const stats = $derived(data.stats ?? {});
 
-	let goalStreak = $state(data.goal?.streak ?? 0);
-	let goalWeekly = $state(data.goal?.weeklyWorkouts ?? null);
+	let goalStreak = $derived(data.goal?.streak ?? 0);
+	let goalWeekly = $derived(data.goal?.weeklyWorkouts ?? null);
 	let goalEditing = $state(false);
 	let goalInput = $state(4);
 	let goalSaving = $state(false);
@@ -57,9 +58,7 @@
 				body: JSON.stringify({ weeklyWorkouts: goalInput })
 			});
 			if (res.ok) {
-				const d = await res.json();
-				goalWeekly = d.weeklyWorkouts;
-				goalStreak = d.streak;
+				await invalidateAll();
 				goalEditing = false;
 			} else {
 				const err = await res.json().catch(() => null);
diff --git a/src/routes/fitness/[workout=fitnessWorkout]/+page.svelte b/src/routes/fitness/[workout=fitnessWorkout]/+page.svelte
index 2fa053e0..bc7b8932 100644
--- a/src/routes/fitness/[workout=fitnessWorkout]/+page.svelte
+++ b/src/routes/fitness/[workout=fitnessWorkout]/+page.svelte
@@ -18,13 +18,16 @@
 
 	const workout = getWorkout();
 	const sync = getWorkoutSync();
+	// svelte-ignore state_referenced_locally
 	let templates = $state(data.templates?.templates ? [...data.templates.templates] : []);
 	let seeded = $state(false);
 
 	// Schedule state
 	/** @type {string[]} */
+	// svelte-ignore state_referenced_locally
 	let scheduleOrder = $state(data.schedule?.schedule?.templateOrder ?? []);
 	/** @type {string | null} */
+	// svelte-ignore state_referenced_locally
 	let nextTemplateId = $state(data.schedule?.nextTemplateId ?? null);
 	let showScheduleEditor = $state(false);
 	/** @type {string[]} */
diff --git a/src/routes/tasks/+page.svelte b/src/routes/tasks/+page.svelte
index 1eb5dc3f..0b06f374 100644
--- a/src/routes/tasks/+page.svelte
+++ b/src/routes/tasks/+page.svelte
@@ -13,8 +13,8 @@
 
   let { data } = $props();
 
-  let tasks = $state(data.tasks || []);
-  let stats = $state(data.stats || { userStats: [], userStickers: [], recentCompletions: [] });
+  let tasks = $derived(data.tasks || []);
+  let stats = $derived(data.stats || { userStats: [], userStickers: [], recentCompletions: [] });
   let currentUser = $derived(data.session?.user?.nickname || '');
   let myStat = $derived(stats.userStats.find((/** @type {any} */ s) => s._id === currentUser));
   let showForm = $state(false);
@@ -130,12 +130,7 @@
   }
 
   async function refreshTasks() {
-    const [tasksRes, statsRes] = await Promise.all([
-      fetch('/api/tasks'),
-      fetch('/api/tasks/stats')
-    ]);
-    if (tasksRes.ok) tasks = (await tasksRes.json()).tasks;
-    if (statsRes.ok) stats = await statsRes.json();
+    await invalidateAll();
   }
 
   async function handleTaskSaved() {
diff --git a/src/routes/tasks/rewards/+page.svelte b/src/routes/tasks/rewards/+page.svelte
index 62c6e130..7bd2808d 100644
--- a/src/routes/tasks/rewards/+page.svelte
+++ b/src/routes/tasks/rewards/+page.svelte
@@ -1,4 +1,5 @@
 <script>
+  import { invalidateAll } from '$app/navigation';
   import { STICKERS, getStickerById, getRarityColor } from '$lib/utils/stickers';
   import { formatDistanceToNow } from 'date-fns';
   import { de } from 'date-fns/locale';
@@ -13,7 +14,7 @@
   /** @type {import('$lib/utils/stickers').Sticker | null} */
   let selectedSticker = $state(null);
 
-  let stats = $state(data.stats || { userStats: [], userStickers: [], recentCompletions: [] });
+  let stats = $derived(data.stats || { userStats: [], userStickers: [], recentCompletions: [] });
   let currentUser = $derived(data.session?.user?.nickname || '');
 
   const rarityLabels = /** @type {Record<string, string>} */ ({
@@ -69,19 +70,13 @@
   /** @param {string} id */
   async function deleteCompletion(id) {
     const res = await fetch(`/api/tasks/completions/${id}`, { method: 'DELETE' });
-    if (res.ok) {
-      const statsRes = await fetch('/api/tasks/stats');
-      if (statsRes.ok) stats = await statsRes.json();
-    }
+    if (res.ok) await invalidateAll();
   }
 
   async function clearHistory() {
     if (!confirm('Deinen gesamten Verlauf und alle Sticker wirklich löschen? Das kann nicht rückgängig gemacht werden.')) return;
     const res = await fetch('/api/tasks/stats', { method: 'DELETE' });
-    if (res.ok) {
-      const [statsRes] = await Promise.all([fetch('/api/tasks/stats')]);
-      if (statsRes.ok) stats = await statsRes.json();
-    }
+    if (res.ok) await invalidateAll();
   }
 </script>