refactor: replace favorites checkbox with toggle switch in grid layout

Move "Favorites only" from a separate checkboxes array into the regular
fields grid as a toggle switch, aligning Scheduled Assets and Memory Mode
sections visually. Memory source moved to last position.

frontend/src/lib/providers/immich.ts

@@ -72,24 +72,20 @@ export const immichDescriptor: ProviderDescriptor = {
 				{ key: 'scheduled_limit', label: 'trackingConfig.maxAssets', type: 'number', min: 1, max: 100, defaultValue: 10, hint: 'hints.maxAssets' },
 				{ key: 'scheduled_asset_type', label: 'trackingConfig.assetType', type: 'grid-select', gridItems: 'assetTypeItems', gridColumns: 3, defaultValue: 'all' },
 				{ key: 'scheduled_min_rating', label: 'trackingConfig.minRating', type: 'number', min: 0, max: 5, defaultValue: 0, hint: 'hints.minRating' },
-			],
+				{ key: 'scheduled_favorite_only', label: 'trackingConfig.favoritesOnly', type: 'toggle', defaultValue: false, hint: 'hints.favoritesOnly' },
-			checkboxes: [
-				{ key: 'scheduled_favorite_only', label: 'trackingConfig.favoritesOnly', default: false, hint: 'hints.favoritesOnly' },
 			],
 		},
 		{
 			key: 'memory', legend: 'trackingConfig.memoryMode', legendHint: 'hints.memoryMode',
 			enabledField: 'memory_enabled', enabledDefault: false,
 			fields: [
-				{ key: 'memory_source', label: 'trackingConfig.memorySource', type: 'grid-select', gridItems: 'memorySourceItems', gridColumns: 2, defaultValue: 'albums' },
 				{ key: 'memory_times', label: 'trackingConfig.times', type: 'number', defaultValue: '09:00' },
 				{ key: 'memory_collection_mode', label: 'trackingConfig.albumMode', type: 'grid-select', gridItems: 'albumModeItems', gridColumns: 3, defaultValue: 'combined' },
 				{ key: 'memory_limit', label: 'trackingConfig.maxAssets', type: 'number', min: 1, max: 100, defaultValue: 10 },
 				{ key: 'memory_asset_type', label: 'trackingConfig.assetType', type: 'grid-select', gridItems: 'assetTypeItems', gridColumns: 3, defaultValue: 'all' },
 				{ key: 'memory_min_rating', label: 'trackingConfig.minRating', type: 'number', min: 0, max: 5, defaultValue: 0 },
-			],
+				{ key: 'memory_favorite_only', label: 'trackingConfig.favoritesOnly', type: 'toggle', defaultValue: false, hint: 'hints.favoritesOnly' },
-			checkboxes: [
+				{ key: 'memory_source', label: 'trackingConfig.memorySource', type: 'grid-select', gridItems: 'memorySourceItems', gridColumns: 2, defaultValue: 'albums' },
-				{ key: 'memory_favorite_only', label: 'trackingConfig.favoritesOnly', default: false, hint: 'hints.favoritesOnly' },
 			],
 		},
 	],

frontend/src/routes/tracking-configs/+page.svelte

@@ -166,7 +166,12 @@
 							{t(field.label)}
 							{#if field.hint}<Hint text={t(field.hint)} />{/if}
 						</label>
-						{#if field.type === 'grid-select' && field.gridItems}
+						{#if field.type === 'toggle'}
+							<label class="toggle-switch">
+								<input type="checkbox" bind:checked={form[field.key]} />
+								<span class="toggle-track"></span>
+							</label>
+						{:else if field.type === 'grid-select' && field.gridItems}
 							<IconGridSelect items={gridItemSources[field.gridItems]()} bind:value={form[field.key]} columns={field.gridColumns ?? 2} compact />
 						{:else}
 							<input type={field.key.includes('date') ? 'date' : field.key.includes('times') ? 'text' : 'number'}
@@ -176,13 +181,6 @@
 						{/if}
 					</div>
 				{/each}
-				{#each section.checkboxes ?? [] as cb (cb.key)}
-					<label class="flex items-center gap-2 text-sm">
-						<input type="checkbox" bind:checked={form[cb.key]} />
-						{t(cb.label)}
-						{#if cb.hint}<Hint text={t(cb.hint)} />{/if}
-					</label>
-				{/each}
 			</div>
 			{/if}
 		</fieldset>
@@ -257,3 +255,50 @@
 
 <ConfirmModal open={confirmDelete !== null} message={t('trackingConfig.confirmDelete')}
 	onconfirm={() => confirmDelete?.onconfirm()} oncancel={() => confirmDelete = null} />
+
+<style>
+	.toggle-switch {
+		position: relative;
+		display: inline-flex;
+		align-items: center;
+		cursor: pointer;
+		height: 1.75rem;
+	}
+
+	.toggle-switch input {
+		position: absolute;
+		opacity: 0;
+		width: 0;
+		height: 0;
+	}
+
+	.toggle-track {
+		position: relative;
+		width: 2.5rem;
+		height: 1.375rem;
+		background: var(--color-border);
+		border-radius: 9999px;
+		transition: background 0.2s ease;
+	}
+
+	.toggle-track::after {
+		content: '';
+		position: absolute;
+		top: 0.1875rem;
+		left: 0.1875rem;
+		width: 1rem;
+		height: 1rem;
+		background: var(--color-foreground);
+		border-radius: 50%;
+		transition: transform 0.2s ease;
+	}
+
+	.toggle-switch input:checked + .toggle-track {
+		background: var(--color-primary);
+	}
+
+	.toggle-switch input:checked + .toggle-track::after {
+		transform: translateX(1.125rem);
+		background: var(--color-primary-foreground);
+	}
+</style>