diff --git a/continue.md b/continue.md
index d8e4ea8a1..2b4638d8c 100644
--- a/continue.md
+++ b/continue.md
@@ -99,9 +99,11 @@ Actualizacion 2026-05-15:
     `uix.timers`, labels traducidos/override y errores `onError`.
   - Cobertura nueva para Tooltip: delay/close con `uix.timers`, skip-delay
     de grupo, focus/blur, disabled y partes trigger/content/arrow.
+  - Cobertura nueva para Field: wiring de partes/ARIA, input guardado por
+    disabled/readonly e integración con parent Form.
   - Validado por fase:
     - `npm run check` -> 0 errores, 0 warnings.
-    - `npm run test` -> 210 archivos, 2178 tests OK.
+    - `npm run test` -> 211 archivos, 2181 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.
@@ -140,6 +142,7 @@ Actualizacion 2026-05-15:
     - `collapsible-provider.svelte.test.ts` -> 3 tests OK.
     - `clipboard-provider.svelte.test.ts` -> 2 tests OK.
     - `tooltip-provider.svelte.test.ts` -> 3 tests OK.
+    - `field-provider.svelte.test.ts` -> 3 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.
diff --git a/src/uix/soma/SOMA_ARCHITECTURE.md b/src/uix/soma/SOMA_ARCHITECTURE.md
index 01cdf1f5a..ce9a34fb0 100644
--- a/src/uix/soma/SOMA_ARCHITECTURE.md
+++ b/src/uix/soma/SOMA_ARCHITECTURE.md
@@ -531,6 +531,8 @@ Los tests por componente estan creciendo desde las piezas de mayor riesgo. A
   reset con `uix.timers`, labels traducidos/override y errores `onError`.
 - `tooltip/tooltip-provider.svelte.test.ts` — delay/close con `uix.timers`,
   skip-delay de grupo, focus/blur, disabled y partes trigger/content/arrow.
+- `field/field-provider.svelte.test.ts` — wiring de partes/ARIA, input
+  guardado por disabled/readonly e integración con parent Form.
 
 Pendiente: seguir ampliando cobertura por el resto del catalogo Soma, ya por
 componentes de riesgo medio y familias menos centrales. `table-core`,
diff --git a/src/uix/soma/components/field/field-provider.svelte.test.ts b/src/uix/soma/components/field/field-provider.svelte.test.ts
new file mode 100644
index 000000000..e7f1a7ec6
--- /dev/null
+++ b/src/uix/soma/components/field/field-provider.svelte.test.ts
@@ -0,0 +1,243 @@
+// @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 { FormProvider } from '../form/form-provider.svelte';
+
+import {
+	FieldControlProvider,
+	FieldErrorTextProvider,
+	FieldHelperTextProvider,
+	FieldInputProvider,
+	FieldLabelProvider,
+	FieldPrefixProvider,
+	FieldProvider,
+	FieldSuffixProvider
+} from './field-provider.svelte';
+
+function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
+	let result!: T;
+	const cleanup = $effect.root(() => {
+		result = fn();
+	});
+	return { result, cleanup };
+}
+
+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.ctx, 'set').mockImplementation((value) => value);
+	vi.spyOn(FormProvider, 'get').mockReturnValue(undefined);
+
+	return { dom };
+}
+
+function fieldOpts(root = document.createElement('div')) {
+	return {
+		id: state('field-root'),
+		ref: state<HTMLElement | null>(root),
+		name: state<string | undefined>('email'),
+		label: state<string | undefined>('Email'),
+		disabled: state(false),
+		readonly: state(false),
+		required: state(false),
+		invalid: state(false),
+		dirty: state<boolean | undefined>(undefined),
+		touched: state<boolean | undefined>(undefined),
+		state: state<'idle' | 'error' | 'disabled' | 'readonly' | 'loading'>('idle')
+	};
+}
+
+function inputOpts(inputEl = document.createElement('input')) {
+	return {
+		id: state('field-input'),
+		ref: state<HTMLElement | null>(inputEl),
+		value: state(''),
+		type: state<'text'>('text'),
+		name: state<string | undefined>('email'),
+		onValueChange: state<(value: string) => void>(() => undefined)
+	};
+}
+
+describe('FieldProvider', () => {
+	afterEach(() => {
+		vi.restoreAllMocks();
+		document.body.innerHTML = '';
+	});
+
+	it('wires field parts, ARIA props and runtime attrs', async () => {
+		const { dom } = installSomaHarness();
+		const root = document.createElement('div');
+		const labelEl = document.createElement('label');
+		const controlEl = document.createElement('div');
+		const inputEl = document.createElement('input');
+		const helperEl = document.createElement('div');
+		const errorEl = document.createElement('div');
+		document.body.append(root, labelEl, controlEl, inputEl, helperEl, errorEl);
+		const opts = fieldOpts(root);
+		opts.required.current = true;
+		opts.invalid.current = true;
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = FieldProvider.create(opts);
+			vi.spyOn(FieldProvider, 'require').mockReturnValue(provider);
+			const label = FieldLabelProvider.create({
+				id: state('field-label'),
+				ref: state<HTMLElement | null>(labelEl)
+			});
+			const control = FieldControlProvider.create({
+				id: state('field-control'),
+				ref: state<HTMLElement | null>(controlEl)
+			});
+			const helper = FieldHelperTextProvider.create({
+				id: state('field-helper'),
+				ref: state<HTMLElement | null>(helperEl)
+			});
+			const error = FieldErrorTextProvider.create({
+				id: state('field-error'),
+				ref: state<HTMLElement | null>(errorEl)
+			});
+			const input = FieldInputProvider.create(inputOpts(inputEl));
+			const prefix = FieldPrefixProvider.create({
+				id: state('field-prefix'),
+				ref: state<HTMLElement | null>(document.createElement('span'))
+			});
+			const suffix = FieldSuffixProvider.create({
+				id: state('field-suffix'),
+				ref: state<HTMLElement | null>(document.createElement('span'))
+			});
+			return { provider, label, control, input, helper, error, prefix, suffix };
+		});
+
+		expect(result.provider.snippetProps).toMatchObject({
+			state: 'error',
+			isInvalid: true,
+			isRequired: true,
+			isDirty: false,
+			isTouched: false
+		});
+		expect(result.input.props).toMatchObject({
+			id: 'field-input',
+			'data-field-input': '',
+			type: 'text',
+			name: 'email',
+			required: true,
+			'aria-labelledby': 'field-label',
+			'aria-invalid': 'true',
+			'aria-describedby': 'field-helper field-error',
+			'aria-required': 'true',
+			'data-state': 'error'
+		});
+		expect(result.helper.props).toMatchObject({
+			id: 'field-helper',
+			'data-field-helper-text': ''
+		});
+		expect(result.error.props).toMatchObject({
+			id: 'field-error',
+			'data-field-error-text': ''
+		});
+		expect(result.prefix.props).toMatchObject({ 'aria-hidden': 'true' });
+		expect(result.suffix.props).toMatchObject({ 'aria-hidden': 'true' });
+
+		await tick();
+		expect(root.getAttribute('data-state')).toBe('error');
+		expect(root.getAttribute('data-required')).toBe('');
+		expect(root.getAttribute('data-invalid')).toBe('');
+		expect(root.getAttribute('data-field-name')).toBe('email');
+		expect(labelEl.getAttribute('for')).toBe('field-input');
+		expect(controlEl.getAttribute('data-state')).toBe('error');
+		expect(errorEl.getAttribute('role')).toBe('alert');
+		expect(errorEl.getAttribute('aria-live')).toBe('polite');
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('updates input value unless disabled or readonly', () => {
+		const { dom } = installSomaHarness();
+		const root = document.createElement('div');
+		const inputEl = document.createElement('input');
+		document.body.append(root, inputEl);
+		const opts = fieldOpts(root);
+		const inputOptions = inputOpts(inputEl);
+		const onValueChange = vi.fn();
+		inputOptions.onValueChange.current = onValueChange;
+
+		const { result, cleanup } = withEffectRoot(() => {
+			const provider = FieldProvider.create(opts);
+			vi.spyOn(FieldProvider, 'require').mockReturnValue(provider);
+			return FieldInputProvider.create(inputOptions);
+		});
+
+		inputEl.value = 'first';
+		result.oninput({ currentTarget: inputEl } as never);
+		expect(inputOptions.value.current).toBe('first');
+		expect(onValueChange).toHaveBeenCalledWith('first');
+
+		opts.readonly.current = true;
+		inputEl.value = 'second';
+		result.oninput({ currentTarget: inputEl } as never);
+		expect(inputOptions.value.current).toBe('first');
+
+		opts.readonly.current = false;
+		opts.disabled.current = true;
+		inputEl.value = 'third';
+		result.oninput({ currentTarget: inputEl } as never);
+		expect(inputOptions.value.current).toBe('first');
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('integrates with parent Form state and touched registry', async () => {
+		const { dom } = installSomaHarness();
+		const formRuntime = {
+			registerField: vi.fn(),
+			unregisterField: vi.fn(),
+			getFieldState: vi.fn(() => ({
+				isInvalid: true,
+				dirty: true,
+				touched: false,
+				errors: ['Required']
+			})),
+			setFieldTouched: vi.fn()
+		};
+		vi.spyOn(FormProvider, 'get').mockReturnValue({
+			form: formRuntime,
+			isPending: false
+		} as unknown as FormProvider);
+		const opts = fieldOpts();
+
+		const { result: provider, cleanup } = withEffectRoot(() => FieldProvider.create(opts));
+
+		await tick();
+		expect(formRuntime.registerField).toHaveBeenCalledWith('email', { label: 'Email' });
+		expect(provider.isInvalid).toBe(true);
+		expect(provider.isDirty).toBe(true);
+		expect(provider.isTouched).toBe(false);
+		expect(provider.fieldErrors).toEqual(['Required']);
+
+		provider.onfocusout();
+		expect(formRuntime.setFieldTouched).toHaveBeenCalledWith('email', true);
+
+		cleanup();
+		expect(formRuntime.unregisterField).toHaveBeenCalledWith('email');
+		dom.dispose();
+	});
+});