diff --git a/docs/architecture-audit-2026-10.md b/docs/architecture-audit-2026-10.md
index f33fec4..77a2752 100644
--- a/docs/architecture-audit-2026-10.md
+++ b/docs/architecture-audit-2026-10.md
@@ -159,11 +159,12 @@ round-семантика `clampByte` и trunc-семантика `clampInt` со
 `ToolPickerButton.svelte` переведены на него — по ~15 одинаковых строк удалено
 из каждого.
 
-### L3. Несогласованный API `Toggle`
+### L3. Несогласованный API `Toggle` — СДЕЛАНО (2026-10)
 
-`SchemaToolView.svelte:811` — `bind:checked={aligned}`;
-`SchemaPreview.svelte:114-118` тот же компонент — `checked` + `onchange`.
-Компонент (`ui/Toggle.svelte:7`) поддерживает оба; стоит выбрать один паттерн.
+Единый паттерн — `bind:checked` (задокументирован в `Toggle.svelte`; `onchange`
+оставлен только для side-эффектов). `SchemaPreview.svelte`: `aligned` стал
+`$bindable`, пропс `ontogglealign` удалён; `SchemaToolView` передаёт
+`bind:aligned`.
 
 ### L4. Непроверяемые `as`-касты схемы
 
diff --git a/web/src/lib/components/schema/SchemaPreview.svelte b/web/src/lib/components/schema/SchemaPreview.svelte
index 978ab79..66ebce2 100644
--- a/web/src/lib/components/schema/SchemaPreview.svelte
+++ b/web/src/lib/components/schema/SchemaPreview.svelte
@@ -25,7 +25,6 @@
 		running?: boolean;
 		error?: string;
 		aligned?: boolean;
-		ontogglealign?: () => void;
 		head: PreviewHeadModel;
 		source: PreviewSourceModel;
 		steps?: PreviewStepsModel;
@@ -37,8 +36,7 @@
 		toolId,
 		running = false,
 		error = "",
-		aligned = false,
-		ontogglealign,
+		aligned = $bindable(false),
 		head,
 		source,
 		steps = {},
@@ -66,11 +64,7 @@
 	<span class="label">{t("resultCard.previewPanel")}</span>
 	{#if stepResults.length > 1}
 		<label class="align-toggle">
-			<Toggle
-				checked={aligned}
-				label={t("chain.alignToggle")}
-				onchange={() => ontogglealign?.()}
-			/>
+			<Toggle bind:checked={aligned} label={t("chain.alignToggle")} />
 			<span>{t("chain.alignToggle")}</span>
 		</label>
 	{/if}
diff --git a/web/src/lib/components/schema/SchemaToolView.svelte b/web/src/lib/components/schema/SchemaToolView.svelte
index 00ec979..8da5a8d 100644
--- a/web/src/lib/components/schema/SchemaToolView.svelte
+++ b/web/src/lib/components/schema/SchemaToolView.svelte
@@ -503,8 +503,7 @@
 						resultKind={displayResultKind}
 						running={busy}
 						error={errorText}
-						{aligned}
-						ontogglealign={() => (aligned = !aligned)}
+						bind:aligned
 						head={{
 							format,
 							quality: currentQuality,
diff --git a/web/src/lib/components/ui/Toggle.svelte b/web/src/lib/components/ui/Toggle.svelte
index e86005a..c20e2d7 100644
--- a/web/src/lib/components/ui/Toggle.svelte
+++ b/web/src/lib/components/ui/Toggle.svelte
@@ -1,7 +1,9 @@
 <script lang="ts">
 	interface Props {
+		/** Primary pattern: bind:checked. */
 		checked: boolean;
 		label?: string;
+		/** Only for side effects beyond the value flip. */
 		onchange?: (checked: boolean) => void;
 	}
 	let { checked = $bindable(), label, onchange }: Props = $props();