diff --git a/src/uix/soma/components/calendar/calendar-provider.svelte.test.ts b/src/uix/soma/components/calendar/calendar-provider.svelte.test.ts
new file mode 100644
index 000000000..88f0d55d6
--- /dev/null
+++ b/src/uix/soma/components/calendar/calendar-provider.svelte.test.ts
@@ -0,0 +1,68 @@
+// @vitest-environment jsdom
+
+import { describe, expect, it } from 'vitest';
+
+import { CalendarDate, CalendarDateTime } from '$libs/days';
+
+import { resolveInitialCalendarPlaceholder } from './calendar-provider.svelte';
+import {
+	applyMultipleSelection,
+	applySingleSelection,
+	computeDateFlags,
+	createMonths
+} from './helpers';
+
+describe('CalendarProvider helpers', () => {
+	it('resolves the initial placeholder from selection before falling back to today', () => {
+		const selected = new CalendarDate(2026, 5, 15);
+
+		expect(resolveInitialCalendarPlaceholder(undefined, selected, 'single')).toBe(selected);
+		expect(resolveInitialCalendarPlaceholder(undefined, [selected], 'multiple')).toBe(selected);
+	});
+
+	it('generates fixed six-week month grids', () => {
+		const months = createMonths(new CalendarDate(2026, 2, 1), {
+			numberOfMonths: 2,
+			weekStartsOn: 1,
+			fixedWeeks: true,
+			locale: 'es-ES'
+		});
+
+		expect(months).toHaveLength(2);
+		expect(months[0].dates).toHaveLength(42);
+		expect(months[0].weeks).toHaveLength(6);
+		expect(months[1].dates).toHaveLength(42);
+	});
+
+	it('preserves time when single selection changes the calendar date', () => {
+		const previous = new CalendarDateTime(2026, 5, 15, 13, 45, 30);
+		const next = applySingleSelection(previous, new CalendarDate(2026, 6, 1), false);
+
+		expect(next).toBeInstanceOf(CalendarDateTime);
+		expect((next as CalendarDateTime).hour).toBe(13);
+		expect((next as CalendarDateTime).minute).toBe(45);
+	});
+
+	it('toggles multiple selection and resets when maxDays is exceeded', () => {
+		const first = new CalendarDate(2026, 5, 1);
+		const second = new CalendarDate(2026, 5, 2);
+		const third = new CalendarDate(2026, 5, 3);
+
+		expect(applyMultipleSelection([first], first, false, undefined)).toEqual([]);
+		expect(applyMultipleSelection([first, second], third, false, 2)).toEqual([third]);
+	});
+
+	it('composes disabled, unavailable and holiday flags independently', () => {
+		const day = new CalendarDate(2026, 5, 15);
+		const flags = computeDateFlags(day, {
+			minValue: new CalendarDate(2026, 5, 1),
+			maxValue: new CalendarDate(2026, 5, 31),
+			disabled: false,
+			isDateDisabled: undefined,
+			isDateUnavailable: (date) => date.day === 15,
+			isDateHoliday: (date) => date.day === 15
+		});
+
+		expect(flags).toEqual({ disabled: false, unavailable: true, holiday: true });
+	});
+});
diff --git a/src/uix/soma/components/command/command-provider.svelte.test.ts b/src/uix/soma/components/command/command-provider.svelte.test.ts
new file mode 100644
index 000000000..d0d1ce72a
--- /dev/null
+++ b/src/uix/soma/components/command/command-provider.svelte.test.ts
@@ -0,0 +1,122 @@
+// @vitest-environment jsdom
+
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { flushSync } from 'svelte';
+
+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 { CommandProvider } from './command-provider.svelte';
+import { computeCommandScore } from './score';
+
+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(CommandProvider.ctx, 'set').mockImplementation((value) => value);
+
+	return { dom };
+}
+
+function createCommandOpts() {
+	return {
+		id: state('command-root'),
+		ref: state<HTMLElement | null>(null),
+		value: state(''),
+		search: state(''),
+		label: state<string | undefined>('Commands'),
+		shouldFilter: state(true),
+		filter: state(computeCommandScore),
+		loop: state(false),
+		vimBindings: state(false),
+		columns: state(1),
+		disablePointerSelection: state(false),
+		dir: state<'ltr' | 'rtl'>('ltr')
+	};
+}
+
+function item(value: string, patch: Partial<Parameters<CommandProvider['registerItem']>[0]> = {}) {
+	return {
+		value,
+		keywords: [],
+		forceMount: false,
+		disabled: false,
+		groupValue: undefined,
+		element: null,
+		score: 1,
+		...patch
+	} as Parameters<CommandProvider['registerItem']>[0];
+}
+
+describe('CommandProvider', () => {
+	afterEach(() => {
+		vi.restoreAllMocks();
+		document.body.innerHTML = '';
+	});
+
+	it('filters visible items and auto-selects the first surviving value', () => {
+		const { dom } = installSomaHarness();
+		const opts = createCommandOpts();
+		opts.search.current = 'op';
+
+		const { result: provider, cleanup } = withEffectRoot(() => CommandProvider.create(opts));
+		provider.registerItem(item('Open'));
+		provider.registerItem(item('Save'));
+		provider.registerItem(item('Hidden', { forceMount: true }));
+		flushSync();
+
+		expect(provider.visibleOrderedValues).toEqual(['Open', 'Hidden']);
+		expect(provider.isVisible('Save')).toBe(false);
+		expect(opts.value.current).toBe('Open');
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('navigates through visible values and honours disabled selection handlers', () => {
+		const { dom } = installSomaHarness();
+		const opts = createCommandOpts();
+		opts.loop.current = true;
+		const onSelect = vi.fn();
+
+		const { result: provider, cleanup } = withEffectRoot(() => CommandProvider.create(opts));
+		provider.registerItem(item('Open'));
+		provider.registerItem(item('Close', { disabled: true }));
+		provider.registerOnSelect('Open', onSelect);
+		provider.registerOnSelect('Close', onSelect);
+		flushSync();
+
+		provider.last();
+		expect(opts.value.current).toBe('Close');
+		provider.selectCurrent();
+		expect(onSelect).not.toHaveBeenCalled();
+
+		provider.next();
+		expect(opts.value.current).toBe('Open');
+		provider.selectCurrent();
+		expect(onSelect).toHaveBeenCalledWith('Open');
+
+		cleanup();
+		dom.dispose();
+	});
+});
diff --git a/src/uix/soma/components/date-field/date-field-provider.svelte.test.ts b/src/uix/soma/components/date-field/date-field-provider.svelte.test.ts
new file mode 100644
index 000000000..17cd346ea
--- /dev/null
+++ b/src/uix/soma/components/date-field/date-field-provider.svelte.test.ts
@@ -0,0 +1,81 @@
+// @vitest-environment jsdom
+
+import { describe, expect, it, vi } from 'vitest';
+
+import { createActiveDom } from '$adom';
+import { CalendarDate } from '$libs/days';
+import {
+	areAllSegmentsFilledDOM,
+	getFirstSegment,
+	getValueFromSegmentsDOM,
+	handleSegmentNavigation,
+	initSegmentStates,
+	isAcceptableSegmentKey
+} from '$soma/datetime';
+
+function createField() {
+	const field = document.createElement('div');
+	for (const [id, part, text] of [
+		['month', 'month', '05'],
+		['literal', 'literal', '/'],
+		['day', 'day', '15'],
+		['year', 'year', '2026']
+	] as const) {
+		const segment = document.createElement('span');
+		segment.id = id;
+		segment.dataset.segment = part;
+		segment.textContent = text;
+		field.appendChild(segment);
+	}
+	document.body.appendChild(field);
+	return field;
+}
+
+describe('DateField segment helpers', () => {
+	it('creates fresh segment state maps for each field instance', () => {
+		const first = initSegmentStates();
+		const second = initSegmentStates();
+
+		first.day.updating = '1';
+
+		expect(second.day.updating).toBeNull();
+		expect(second.month.hasLeftFocus).toBe(true);
+	});
+
+	it('accepts numeric input and navigation keys only', () => {
+		expect(isAcceptableSegmentKey('7')).toBe(true);
+		expect(isAcceptableSegmentKey('ArrowRight')).toBe(true);
+		expect(isAcceptableSegmentKey('x')).toBe(false);
+	});
+
+	it('reads only rendered editable segments from the DOM', () => {
+		const field = createField();
+
+		expect(getFirstSegment(field)?.id).toBe('month');
+		expect(areAllSegmentsFilledDOM({ month: '05', day: '15', year: '2026' }, field)).toBe(true);
+
+		const value = getValueFromSegmentsDOM({
+			segmentObj: { month: '05', day: '15', year: '2026' },
+			fieldNode: field,
+			dateRef: new CalendarDate(2026, 1, 1)
+		});
+
+		expect(value.month).toBe(5);
+		expect(value.day).toBe(15);
+		expect(value.year).toBe(2026);
+	});
+
+	it('moves focus across segments through ActiveDom', () => {
+		const dom = createActiveDom();
+		const field = createField();
+		const month = field.querySelector<HTMLElement>('#month')!;
+		const focus = vi.spyOn(dom, 'focus');
+		const event = new KeyboardEvent('keydown', { key: 'ArrowRight' });
+		Object.defineProperty(event, 'currentTarget', { value: month });
+
+		handleSegmentNavigation(dom, event, field);
+
+		expect(focus).toHaveBeenCalledWith(field.querySelector('#day'));
+		dom.dispose();
+	});
+});
diff --git a/src/uix/soma/components/dialog/dialog-provider.svelte.test.ts b/src/uix/soma/components/dialog/dialog-provider.svelte.test.ts
new file mode 100644
index 000000000..070a8eaa4
--- /dev/null
+++ b/src/uix/soma/components/dialog/dialog-provider.svelte.test.ts
@@ -0,0 +1,121 @@
+// @vitest-environment jsdom
+
+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 EventEngineEmitter,
+	type SomaRuntimeSources
+} from '$soma/runtime.svelte';
+
+import { DialogProvider } from './dialog-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 eventEngine = { emit: vi.fn(async () => {}) } satisfies EventEngineEmitter;
+	const soma = {
+		dom,
+		events: eventEngine,
+		runtime: (morfo: Morfo, sources: Omit<SomaRuntimeSources, 'dom' | 'eventEngine'>) =>
+			createSomaRuntime(morfo, {
+				dom,
+				eventEngine,
+				translate: (key) => key,
+				...sources
+			})
+	} as unknown as Soma;
+
+	vi.spyOn(Soma, 'require').mockReturnValue(soma);
+	vi.spyOn(DialogProvider.ctx, 'getOr').mockReturnValue(undefined);
+	vi.spyOn(DialogProvider.ctx, 'set').mockImplementation((value) => value);
+
+	return { dom, eventEngine };
+}
+
+function createDialogOpts() {
+	return {
+		id: state('dialog-root'),
+		ref: state<HTMLElement | null>(null),
+		open: state(false),
+		disabled: state(false),
+		modal: state(true),
+		variant: state<'dialog' | 'alertdialog'>('dialog'),
+		intent: state<'neutral' | 'risk' | 'threat'>('neutral'),
+		onOpenChangeComplete: state(() => {})
+	};
+}
+
+describe('DialogProvider', () => {
+	afterEach(() => {
+		vi.restoreAllMocks();
+		document.body.innerHTML = '';
+	});
+
+	it('opens and closes through the morfo runtime without a registered content part', async () => {
+		const { dom, eventEngine } = installSomaHarness();
+		const opts = createDialogOpts();
+		const fallbackTarget = document.createElement('div');
+		document.body.appendChild(fallbackTarget);
+
+		const { result: provider, cleanup } = withEffectRoot(() => {
+			const p = DialogProvider.create(opts);
+			p.contentId.current = 'dialog-content';
+			p.runtime.part('content', {
+				id: state('dialog-content'),
+				ref: state<HTMLElement | null>(fallbackTarget),
+				syncAttrs: true
+			});
+			return p;
+		});
+
+		provider.handleOpen();
+		expect(opts.open.current).toBe(true);
+
+		await provider.triggerClose('close-dismiss', fallbackTarget);
+
+		expect(opts.open.current).toBe(false);
+		expect(fallbackTarget.getAttribute('data-last-action')).toBe('dismissed');
+		expect(fallbackTarget.getAttribute('data-state')).toBe('closed');
+		expect(eventEngine.emit).toHaveBeenCalledWith(
+			expect.objectContaining({
+				name: 'close-dismiss',
+				family: 'emerge',
+				target: fallbackTarget
+			})
+		);
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('does not mutate open state while disabled', () => {
+		const { dom } = installSomaHarness();
+		const opts = createDialogOpts();
+		opts.disabled.current = true;
+		opts.open.current = false;
+
+		const { result: provider, cleanup } = withEffectRoot(() => DialogProvider.create(opts));
+
+		provider.handleOpen();
+		expect(opts.open.current).toBe(false);
+
+		opts.open.current = true;
+		provider.handleClose();
+		expect(opts.open.current).toBe(true);
+
+		cleanup();
+		dom.dispose();
+	});
+});
diff --git a/src/uix/soma/components/drawer/drawer-provider.svelte.test.ts b/src/uix/soma/components/drawer/drawer-provider.svelte.test.ts
new file mode 100644
index 000000000..7021067f2
--- /dev/null
+++ b/src/uix/soma/components/drawer/drawer-provider.svelte.test.ts
@@ -0,0 +1,151 @@
+// @vitest-environment jsdom
+
+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 '$soma/core/soma.svelte';
+import {
+	createSomaRuntime,
+	type EventEngineEmitter,
+	type SomaRuntimeSources
+} from '$soma/runtime.svelte';
+
+import { DrawerProvider } from './drawer-provider.svelte';
+import type { DrawerDirection, DrawerSnapPoint, DrawerVariant } from './types';
+
+function withEffectRoot<T>(fn: () => T): { result: T; cleanup: () => void } {
+	let result!: T;
+	const cleanup = $effect.root(() => {
+		result = fn();
+	});
+	return { result, cleanup };
+}
+
+function installSomaHarness(dir: 'ltr' | 'rtl' = 'ltr') {
+	const dom = createActiveDom();
+	const eventEngine = { emit: vi.fn(async () => {}) } satisfies EventEngineEmitter;
+	const soma = {
+		dom,
+		events: eventEngine,
+		prefs: { getDir: () => dir },
+		runtime: (morfo: Morfo, sources: Omit<SomaRuntimeSources, 'dom' | 'eventEngine'>) =>
+			createSomaRuntime(morfo, {
+				dom,
+				eventEngine,
+				translate: (key) => key,
+				...sources
+			})
+	} as unknown as Soma;
+
+	vi.spyOn(Soma, 'require').mockReturnValue(soma);
+	vi.spyOn(DrawerProvider.ctx, 'getOr').mockReturnValue(undefined);
+	vi.spyOn(DrawerProvider.ctx, 'set').mockImplementation((value) => value);
+
+	return { dom, eventEngine };
+}
+
+function createDrawerOpts() {
+	return {
+		id: state('drawer-root'),
+		ref: state<HTMLElement | null>(null),
+		open: state(false),
+		activeSnapPoint: state<DrawerSnapPoint | null>(null),
+		isDragging: state(false),
+		disabled: state(false),
+		variant: state<DrawerVariant>('overlay'),
+		dismissible: state(true),
+		handleOnly: state(false),
+		dragToDismiss: state(false),
+		direction: state<DrawerDirection>('bottom'),
+		snapPoints: state<DrawerSnapPoint[] | undefined>(undefined),
+		snapToSequential: state(false),
+		closeThreshold: state(0.25),
+		velocityThreshold: state(0.5),
+		scrollLockTimeout: state(500),
+		minSize: state<number | string | undefined>(undefined),
+		maxSize: state<number | string | undefined>(undefined),
+		onOpenChangeComplete: state(() => {}),
+		onDragStart: state<((event: PointerEvent) => void) | undefined>(undefined),
+		onDrag: state<((event: PointerEvent, progress: number) => void) | undefined>(undefined),
+		onRelease: state<((event: PointerEvent, willClose: boolean) => void) | undefined>(undefined),
+		onActiveSnapPointChange: state(() => {})
+	};
+}
+
+describe('DrawerProvider', () => {
+	afterEach(() => {
+		vi.restoreAllMocks();
+		document.body.innerHTML = '';
+	});
+
+	it('resolves logical directions from the active UI direction preference', () => {
+		const { dom } = installSomaHarness('rtl');
+		const opts = createDrawerOpts();
+		opts.direction.current = 'start';
+
+		const { result: provider, cleanup } = withEffectRoot(() => DrawerProvider.create(opts));
+
+		expect(provider.resolvedSide).toBe('right');
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('dismisses through the morfo runtime and clears transient snap state', async () => {
+		const { dom, eventEngine } = installSomaHarness();
+		const opts = createDrawerOpts();
+		opts.open.current = true;
+		opts.activeSnapPoint.current = 0.5;
+		const fallbackTarget = document.createElement('div');
+		document.body.appendChild(fallbackTarget);
+
+		const { result: provider, cleanup } = withEffectRoot(() => {
+			const p = DrawerProvider.create(opts);
+			p.contentId.current = 'drawer-content';
+			p.runtime.part('content', {
+				id: state('drawer-content'),
+				ref: state<HTMLElement | null>(fallbackTarget),
+				syncAttrs: true
+			});
+			return p;
+		});
+
+		await provider.triggerClose('close-dismiss', fallbackTarget);
+
+		expect(opts.open.current).toBe(false);
+		expect(opts.activeSnapPoint.current).toBeNull();
+		expect(fallbackTarget.getAttribute('data-last-action')).toBe('dismissed');
+		expect(fallbackTarget.getAttribute('data-state')).toBe('closed');
+		expect(eventEngine.emit).toHaveBeenCalledWith(
+			expect.objectContaining({
+				name: 'close-dismiss',
+				family: 'emerge',
+				target: fallbackTarget
+			})
+		);
+
+		cleanup();
+		dom.dispose();
+	});
+
+	it('keeps persistent drawers structurally open', () => {
+		const { dom } = installSomaHarness();
+		const opts = createDrawerOpts();
+		opts.variant.current = 'persistent';
+		opts.open.current = false;
+
+		const { result: provider, cleanup } = withEffectRoot(() => DrawerProvider.create(opts));
+
+		provider.handleOpen();
+		expect(opts.open.current).toBe(false);
+
+		opts.open.current = true;
+		provider.handleClose();
+		expect(opts.open.current).toBe(true);
+
+		cleanup();
+		dom.dispose();
+	});
+});