Add switch provider coverage

continue.md

@@ -80,9 +80,11 @@ Actualizacion 2026-05-15:
     hidden input y sincronización con CheckboxGroup.
   - Cobertura nueva para RadioGroup: roving tabindex, selección síncrona,
     navegación con auto-select, hidden input y guardas readonly/disabled.
+  - Cobertura nueva para Switch: commit-toggle runtime, keyboard, hidden input,
+    integración con FieldProvider y thumb.
   - Validado por fase:
     - `npm run check` -> 0 errores, 0 warnings.
-    - `npm run test` -> 200 archivos, 2145 tests OK.
+    - `npm run test` -> 201 archivos, 2150 tests OK.
     - tests focales de Select/Popover/Toast/RangeCalendar -> 11 tests OK.
     - tests focales Dialog/Drawer/Popover/Select -> 10 tests OK.
     - `command-provider.svelte.test.ts` -> 2 tests OK.
@@ -111,6 +113,7 @@ Actualizacion 2026-05-15:
     - `accordion-provider.svelte.test.ts` -> 4 tests OK.
     - `checkbox-provider.svelte.test.ts` -> 4 tests OK.
     - `radio-group-provider.svelte.test.ts` -> 4 tests OK.
+    - `switch-provider.svelte.test.ts` -> 5 tests OK.
     - guardia `rg "from './.*provider\\.svelte'" src/uix/soma/components -g 'exports.ts'`
       -> solo queda `select/components/select-provider.svelte`, que es wrapper
       publico, no runtime provider.

src/uix/soma/SOMA_ARCHITECTURE.md

@@ -512,12 +512,14 @@ Los tests por componente estan creciendo desde las piezas de mayor riesgo. A
   indeterminate, hidden input y sincronización con `CheckboxGroup`.
 - `radio-group/radio-group-provider.svelte.test.ts` — roving tabindex,
   selección síncrona, navegación con auto-select, hidden input y guardas.
+- `switch/switch-provider.svelte.test.ts` — `commit-toggle` runtime,
+  keyboard, hidden input, integración con `FieldProvider` y thumb.
 
 Pendiente: seguir ampliando cobertura por familias de alto riesgo fuera del
 bloque fecha/hora, virtualización, inputs numericos, file upload, color y
 navegacion superior/treegrid/tree-view/dropdown/context-menu/menubar/listbox/
-accordion/checkbox/radio-group. `table-core`, `form-core` y el scorer de
+accordion/checkbox/radio-group/switch. `table-core`, `form-core` y el scorer
-Command ya no viven dentro de Soma: se consumen desde `$libs/datagrid`,
+de Command ya no viven dentro de Soma: se consumen desde `$libs/datagrid`,
 `$libs/forms` y `$libs/strings`.
 
 ### Convencion

src/uix/soma/components/switch/switch-provider.svelte.test.ts

@@ -0,0 +1,213 @@
+// @vitest-environment jsdom
+
+import { tick } from 'svelte';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
+import { createActiveDom } from '$adom';
+import { state } from '$libs/reactive';
+import type { Morfo } from '$uix/morfo';
+import { Soma } from '$soma/core/soma.svelte';
+import { createSomaRuntime, type SomaRuntimeSources } from '$soma/runtime.svelte';
+import { FieldProvider } from '../field/field-provider.svelte';
+
+import { SwitchProvider, SwitchThumbProvider } from './switch-provider.svelte';
+
+function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
+	let result!: T;
+	const cleanup = $effect.root(() => {
+		result = fn();
+	});
+	return { result, cleanup };
+}
+
+async function flushRuntimeTrigger() {
+	await Promise.resolve();
+	await tick();
+}
+
+function installSomaHarness() {
+	const dom = createActiveDom();
+	const soma = {
+		dom,
+		runtime: (morfo: Morfo, sources: Omit<SomaRuntimeSources, 'dom' | 'eventEngine'>) =>
+			createSomaRuntime(morfo, {
+				dom,
+				translate: (key) => key,
+				...sources
+			})
+	} as unknown as Soma;
+
+	vi.spyOn(Soma, 'require').mockReturnValue(soma);
+	vi.spyOn(FieldProvider, 'get').mockReturnValue(undefined);
+	vi.spyOn(SwitchProvider.ctx, 'set').mockImplementation((value) => value);
+
+	return { dom };
+}
+
+function switchOpts(id = 'switch-root') {
+	return {
+		id: state(id),
+		ref: state<HTMLElement | null>(document.createElement('button')),
+		checked: state(false),
+		disabled: state(false),
+		readonly: state(false),
+		required: state(false),
+		invalid: state(false),
+		intent: state<'neutral' | 'affirm' | 'risk' | 'threat'>('neutral'),
+		color: state<'primary' | 'secondary'>('primary'),
+		name: state(''),
+		value: state('on'),
+		'aria-label': state(''),
+		'aria-labelledby': state(''),
+		onCheckedChange: state<(checked: boolean) => void>(() => undefined)
+	};
+}
+
+function keyEvent(key: string) {
+	return {
+		key,
+		shiftKey: false,
+		ctrlKey: false,
+		altKey: false,
+		metaKey: false,
+		preventDefault: vi.fn()
+	};
+}
+
+describe('SwitchProvider', () => {
+	afterEach(() => {
+		vi.restoreAllMocks();
+		document.body.innerHTML = '';
+	});
+
+	it('toggles checked state from click and keyboard through the runtime event', async () => {
+		const { dom } = installSomaHarness();
+		const opts = switchOpts();
+		const onCheckedChange = vi.fn();
+		opts.onCheckedChange.current = onCheckedChange;
+
+		const { result: provider, cleanup } = withEffectRoot(() => SwitchProvider.create(opts));
+
+		expect(provider.props).toMatchObject({
+			id: 'switch-root',
+			disabled: undefined
+		});
+		expect(provider.snippetProps).toEqual({ checked: false });
+
+		provider.onclick({} as never);
+		await flushRuntimeTrigger();
+		expect(opts.checked.current).toBe(true);
+		expect(onCheckedChange).toHaveBeenCalledWith(true);
+		expect(provider.snippetProps).toEqual({ checked: true });
+
+		const event = keyEvent(' ');
+		provider.onkeydown(event as never);
+		await flushRuntimeTrigger();
+		expect(event.preventDefault).toHaveBeenCalledOnce();
+		expect(opts.checked.current).toBe(false);
+		expect(onCheckedChange).toHaveBeenLastCalledWith(false);
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('exposes hidden input props for native form participation', async () => {
+		const { dom } = installSomaHarness();
+		const opts = switchOpts();
+		opts.name.current = 'notifications';
+		opts.value.current = 'enabled';
+		opts.required.current = true;
+		opts.checked.current = true;
+
+		const { result: provider, cleanup } = withEffectRoot(() => SwitchProvider.create(opts));
+
+		expect(provider.inputProps).toMatchObject({
+			type: 'checkbox',
+			'aria-hidden': true,
+			tabindex: -1,
+			name: 'notifications',
+			value: 'enabled',
+			checked: true,
+			required: true,
+			disabled: undefined
+		});
+
+		opts.checked.current = false;
+		await tick();
+		expect(provider.inputProps.checked).toBe(false);
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('merges FieldProvider flags and registers itself as field input', async () => {
+		const { dom } = installSomaHarness();
+		const field = {
+			inputId: state(''),
+			isDisabled: true,
+			isReadonly: false,
+			isRequired: true,
+			isInvalid: true
+		};
+		vi.spyOn(FieldProvider, 'get').mockReturnValue(field as FieldProvider);
+		const opts = switchOpts('field-switch');
+
+		const { result: provider, cleanup } = withEffectRoot(() => SwitchProvider.create(opts));
+
+		expect(field.inputId.current).toBe('field-switch');
+		expect(provider.isDisabled).toBe(true);
+		expect(provider.isRequired).toBe(true);
+		expect(provider.isInvalid).toBe(true);
+		expect(provider.props.disabled).toBe(true);
+		expect(provider.inputProps).toMatchObject({
+			required: true,
+			disabled: true
+		});
+
+		provider.toggle();
+		await flushRuntimeTrigger();
+		expect(opts.checked.current).toBe(false);
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('keeps readonly switches focusable but blocks state changes', async () => {
+		const { dom } = installSomaHarness();
+		const opts = switchOpts();
+		opts.readonly.current = true;
+
+		const { result: provider, cleanup } = withEffectRoot(() => SwitchProvider.create(opts));
+
+		provider.toggle();
+		await flushRuntimeTrigger();
+		expect(opts.checked.current).toBe(false);
+		expect(provider.props.disabled).toBeUndefined();
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('wires thumb props to the parent runtime', () => {
+		const { dom } = installSomaHarness();
+		const opts = switchOpts();
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = SwitchProvider.create(opts);
+			vi.spyOn(SwitchProvider, 'require').mockReturnValue(provider);
+			const thumb = SwitchThumbProvider.create({
+				id: state('switch-thumb'),
+				ref: state<HTMLElement | null>(document.createElement('span'))
+			});
+			return { thumb };
+		});
+
+		expect(result.thumb.props).toMatchObject({
+			id: 'switch-thumb',
+			'data-switch-thumb': ''
+		});
+
+		cleanup();
+		dom.dispose();
+	});
+});