diff --git a/src/uix/soma/components/date-range-field/date-range-field-provider.svelte.ts b/src/uix/soma/components/date-range-field/date-range-field-provider.svelte.ts
index 732177db6..c048b9e57 100644
--- a/src/uix/soma/components/date-range-field/date-range-field-provider.svelte.ts
+++ b/src/uix/soma/components/date-range-field/date-range-field-provider.svelte.ts
@@ -25,7 +25,7 @@ import { FieldProvider } from '../field/field-provider.svelte';
 import { dateRangeFieldMorfo } from '../../../morfo/components/date-range-field';
 
 const attrs = createAttrs(dateRangeFieldMorfo);
-import type { SomaRuntimePart } from '../../runtime.svelte';
+import type { SomaRuntime, SomaRuntimePart } from '../../runtime.svelte';
 
 
 // ── Root ────────────────────────────────────────────────────────────────────
@@ -65,6 +65,8 @@ interface DateRangeFieldOpts
 export class DateRangeFieldProvider {
 	readonly opts: DateRangeFieldOpts;
 	readonly runtimePart: SomaRuntimePart;
+	readonly soma: Soma;
+	readonly runtime: SomaRuntime;
 	static readonly ctx = context<DateRangeFieldProvider>('DateRangeField');
 	static get(): DateRangeFieldProvider | undefined {
 		return this.ctx.getOr(undefined) as DateRangeFieldProvider | undefined;
@@ -76,7 +78,6 @@ export class DateRangeFieldProvider {
 		return new DateRangeFieldProvider(opts);
 	}
 
-	readonly soma = Soma.get();
 	readonly field = FieldProvider.get();
 
 	labelNode = $state<HTMLElement | null>(null);
@@ -85,14 +86,14 @@ export class DateRangeFieldProvider {
 
 	private constructor(opts: DateRangeFieldOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dateRangeFieldMorfo, {})
-			.part('provider', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				context: DateRangeFieldProvider.ctx
-			});
+		this.soma = Soma.require();
+		this.runtime = this.soma.runtime(dateRangeFieldMorfo, {});
+		this.runtimePart = this.runtime.part('provider', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: DateRangeFieldProvider.ctx
+		});
 	}
 
 	// ── Merged flags (own + Field parent via OR) ─────────────────────────────
@@ -171,17 +172,15 @@ export class DateRangeFieldLabelProvider {
 
 	private constructor(opts: DateRangeFieldLabelOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dateRangeFieldMorfo, {})
-			.part('label', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				onRefChange: (v) => {
-					this.provider.labelNode = v;
-				}
-			});
 		this.provider = DateRangeFieldProvider.require();
+		this.runtimePart = this.provider.runtime.part('label', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			onRefChange: (v) => {
+				this.provider.labelNode = v;
+			}
+		});
 	}
 
 	readonly onclick = () => {
diff --git a/src/uix/soma/components/pin-input/pin-input-provider.svelte.ts b/src/uix/soma/components/pin-input/pin-input-provider.svelte.ts
index c052507a7..07f325bc0 100644
--- a/src/uix/soma/components/pin-input/pin-input-provider.svelte.ts
+++ b/src/uix/soma/components/pin-input/pin-input-provider.svelte.ts
@@ -20,7 +20,7 @@ import { PIN_INPUT_LANGS } from './langs';
 import type { PinInputCellData, PinInputType } from './types';
 
 import { pinInputMorfo } from '../../../morfo/components/pin-input';
-import type { SomaRuntimePart } from '../../runtime.svelte';
+import type { SomaRuntime, SomaRuntimePart } from '../../runtime.svelte';
 
 
 // ── Preset patterns ────────────────────────────────────────────────────────
@@ -82,6 +82,8 @@ interface PinInputOpts
 export class PinInputProvider {
 	readonly opts: PinInputOpts;
 	readonly runtimePart: SomaRuntimePart;
+	readonly soma: Soma;
+	readonly runtime: SomaRuntime;
 	static readonly ctx = context<PinInputProvider>('PinInput');
 	static get(): PinInputProvider | undefined {
 		return this.ctx.getOr(undefined) as PinInputProvider | undefined;
@@ -94,7 +96,6 @@ export class PinInputProvider {
 		return new PinInputProvider(opts);
 	}
 
-	readonly soma = Soma.get();
 	readonly field = FieldProvider.get();
 
 	inputRef = state<HTMLInputElement | null>(null);
@@ -105,9 +106,14 @@ export class PinInputProvider {
 
 	private constructor(opts: PinInputOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(pinInputMorfo, {})
-			.part('provider', { id: opts.id, ref: opts.ref, owner: this, context: PinInputProvider.ctx });
+		this.soma = Soma.require();
+		this.runtime = this.soma.runtime(pinInputMorfo, {});
+		this.runtimePart = this.runtime.part('provider', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: PinInputProvider.ctx
+		});
 
 		// Register the hidden input id with a parent Field so `Field.Label`'s
 		// `for` attribute lands on the interactive element. Direct assignment
@@ -157,7 +163,7 @@ export class PinInputProvider {
 		() => this.opts.autocomplete.current ?? 'one-time-code'
 	);
 	readonly resolvedAriaLabel: Active<string | undefined> = readableActive(
-		() => this.opts.ariaLabel.current || this.soma?.langs.ts(PIN_INPUT_LANGS.INPUT) || undefined
+		() => this.opts.ariaLabel.current || this.soma.langs.ts(PIN_INPUT_LANGS.INPUT) || undefined
 	);
 
 	readonly isComplete = $derived.by(
@@ -326,17 +332,15 @@ export class PinInputInputProvider {
 
 	private constructor(opts: PinInputInputOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(pinInputMorfo, {})
-			.part('input', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				onRefChange: (el) => {
-					this.provider.setInputRef(el as HTMLInputElement | null);
-				}
-			});
 		this.provider = PinInputProvider.require();
+		this.runtimePart = this.provider.runtime.part('input', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			onRefChange: (el) => {
+				this.provider.setInputRef(el as HTMLInputElement | null);
+			}
+		});
 	}
 
 	readonly props = $derived.by(() =>
@@ -384,10 +388,12 @@ export class PinInputCellProvider {
 
 	private constructor(opts: PinInputCellOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(pinInputMorfo, {})
-			.part('cell', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = PinInputProvider.require();
+		this.runtimePart = this.provider.runtime.part('cell', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 	}
 
 	readonly props = $derived.by(() => {
diff --git a/src/uix/soma/components/slider/slider-provider.svelte.ts b/src/uix/soma/components/slider/slider-provider.svelte.ts
index a5251fcc4..40b62d0c4 100644
--- a/src/uix/soma/components/slider/slider-provider.svelte.ts
+++ b/src/uix/soma/components/slider/slider-provider.svelte.ts
@@ -6,7 +6,7 @@ import { KEYS, getDirectionalKeys } from '../../keyboard';
 
 import { sliderMorfo } from '../../../morfo/components/slider';
 import { Soma } from '../../core/soma.svelte';
-import type { SomaRuntimePart } from '../../runtime.svelte';
+import type { SomaRuntime, SomaRuntimePart } from '../../runtime.svelte';
 
 
 export type SliderType = 'single' | 'multiple';
@@ -53,6 +53,8 @@ interface SliderOpts
 export class SliderProvider {
 	readonly opts: SliderOpts;
 	readonly runtimePart: SomaRuntimePart;
+	readonly soma: Soma;
+	readonly runtime: SomaRuntime;
 	static readonly ctx = context<SliderProvider>('Slider');
 	static get(): SliderProvider | undefined {
 		return this.ctx.getOr(undefined) as SliderProvider | undefined;
@@ -69,9 +71,14 @@ export class SliderProvider {
 
 	private constructor(opts: SliderOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(sliderMorfo, {})
-			.part('provider', { id: opts.id, ref: opts.ref, owner: this, context: SliderProvider.ctx });
+		this.soma = Soma.require();
+		this.runtime = this.soma.runtime(sliderMorfo, {});
+		this.runtimePart = this.runtime.part('provider', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: SliderProvider.ctx
+		});
 	}
 
 	getPercent(value: number): number {
@@ -237,10 +244,12 @@ export class SliderRangeProvider {
 
 	private constructor(opts: SliderRangeOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(sliderMorfo, {})
-			.part('range', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = SliderProvider.require();
+		this.runtimePart = this.provider.runtime.part('range', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 	}
 
 	readonly rangeStyle = $derived.by(() => {
@@ -289,10 +298,12 @@ export class SliderThumbProvider {
 
 	private constructor(opts: SliderThumbOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(sliderMorfo, {})
-			.part('thumb', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = SliderProvider.require();
+		this.runtimePart = this.provider.runtime.part('thumb', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 	}
 
 	readonly value = $derived.by(
@@ -401,10 +412,12 @@ export class SliderTickProvider {
 
 	private constructor(opts: SliderTickOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(sliderMorfo, {})
-			.part('tick', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = SliderProvider.require();
+		this.runtimePart = this.provider.runtime.part('tick', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 	}
 
 	readonly percent = $derived.by(() => this.provider.getPercent(this.opts.value.current));
diff --git a/src/uix/soma/components/splitter/splitter-provider.svelte.ts b/src/uix/soma/components/splitter/splitter-provider.svelte.ts
index 7d50379be..2d66e0ded 100644
--- a/src/uix/soma/components/splitter/splitter-provider.svelte.ts
+++ b/src/uix/soma/components/splitter/splitter-provider.svelte.ts
@@ -7,7 +7,7 @@ import { Soma } from '../../core/soma.svelte';
 import { SPLITTER_LANGS } from './langs';
 
 import { splitterMorfo } from '../../../morfo/components/splitter';
-import type { SomaRuntimePart } from '../../runtime.svelte';
+import type { SomaRuntime, SomaRuntimePart } from '../../runtime.svelte';
 
 
 // ── Types ────────────────────────────────────────────────────────────────────
@@ -57,6 +57,8 @@ interface SplitterOpts
 export class SplitterProvider {
 	readonly opts: SplitterOpts;
 	readonly runtimePart: SomaRuntimePart;
+	readonly soma: Soma;
+	readonly runtime: SomaRuntime;
 	static readonly ctx = context<SplitterProvider>('Splitter');
 	static get(): SplitterProvider | undefined {
 		return this.ctx.getOr(undefined) as SplitterProvider | undefined;
@@ -69,15 +71,19 @@ export class SplitterProvider {
 		return new SplitterProvider(opts);
 	}
 
-	readonly soma = Soma.get();
 	private panels: PanelState[] = $state([]);
 	resizing = $state(false);
 
 	private constructor(opts: SplitterOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(splitterMorfo, {})
-			.part('provider', { id: opts.id, ref: opts.ref, owner: this, context: SplitterProvider.ctx });
+		this.soma = Soma.require();
+		this.runtime = this.soma.runtime(splitterMorfo, {});
+		this.runtimePart = this.runtime.part('provider', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: SplitterProvider.ctx
+		});
 	}
 
 	// ── Panel registration ───────────────────────────────────────────────────
@@ -282,10 +288,12 @@ export class SplitterPanelProvider {
 
 	private constructor(opts: SplitterPanelOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(splitterMorfo, {})
-			.part('panel', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = SplitterProvider.require();
+		this.runtimePart = this.provider.runtime.part('panel', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 
 		this.cleanup = this.provider.registerPanel({
 			id: opts.panelId.current,
@@ -356,10 +364,12 @@ export class SplitterResizeTriggerProvider {
 
 	private constructor(opts: SplitterResizeTriggerOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(splitterMorfo, {})
-			.part('resize-trigger', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = SplitterProvider.require();
+		this.runtimePart = this.provider.runtime.part('resize-trigger', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 
 		// Cleanup drag state on unmount
 		$effect(() => {
@@ -545,7 +555,7 @@ export class SplitterResizeTriggerProvider {
 		this.runtimePart.assert({
 			...this.runtimePart.props,
 			role: 'separator' as const,
-			'aria-label': this.provider.soma?.langs.ts(SPLITTER_LANGS.RESIZE),
+			'aria-label': this.provider.soma.langs.ts(SPLITTER_LANGS.RESIZE),
 			'aria-orientation': this.provider.opts.orientation.current,
 			'aria-valuenow': this.ariaValueNow,
 			'aria-valuemin': this.ariaValueMin,
diff --git a/src/uix/soma/components/time-range-field/time-range-field-provider.svelte.ts b/src/uix/soma/components/time-range-field/time-range-field-provider.svelte.ts
index 7548cf0ce..d6872fc0d 100644
--- a/src/uix/soma/components/time-range-field/time-range-field-provider.svelte.ts
+++ b/src/uix/soma/components/time-range-field/time-range-field-provider.svelte.ts
@@ -20,7 +20,7 @@ import { FieldProvider } from '../field/field-provider.svelte';
 import { timeRangeFieldMorfo } from '../../../morfo/components/time-range-field';
 
 const attrs = createAttrs(timeRangeFieldMorfo);
-import type { SomaRuntimePart } from '../../runtime.svelte';
+import type { SomaRuntime, SomaRuntimePart } from '../../runtime.svelte';
 
 
 // ── Root ────────────────────────────────────────────────────────────────────
@@ -60,6 +60,8 @@ interface TimeRangeFieldOpts
 export class TimeRangeFieldProvider {
 	readonly opts: TimeRangeFieldOpts;
 	readonly runtimePart: SomaRuntimePart;
+	readonly soma: Soma;
+	readonly runtime: SomaRuntime;
 	static readonly ctx = context<TimeRangeFieldProvider>('TimeRangeField');
 	static get(): TimeRangeFieldProvider | undefined {
 		return this.ctx.getOr(undefined) as TimeRangeFieldProvider | undefined;
@@ -71,7 +73,6 @@ export class TimeRangeFieldProvider {
 		return new TimeRangeFieldProvider(opts);
 	}
 
-	readonly soma = Soma.get();
 	readonly field = FieldProvider.get();
 
 	labelNode = $state<HTMLElement | null>(null);
@@ -80,14 +81,14 @@ export class TimeRangeFieldProvider {
 
 	private constructor(opts: TimeRangeFieldOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(timeRangeFieldMorfo, {})
-			.part('provider', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				context: TimeRangeFieldProvider.ctx
-			});
+		this.soma = Soma.require();
+		this.runtime = this.soma.runtime(timeRangeFieldMorfo, {});
+		this.runtimePart = this.runtime.part('provider', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: TimeRangeFieldProvider.ctx
+		});
 	}
 
 	// ── Merged flags (own + Field parent via OR) ─────────────────────────────
@@ -179,17 +180,15 @@ export class TimeRangeFieldLabelProvider {
 
 	private constructor(opts: TimeRangeFieldLabelOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(timeRangeFieldMorfo, {})
-			.part('label', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				onRefChange: (v) => {
-					this.provider.labelNode = v;
-				}
-			});
 		this.provider = TimeRangeFieldProvider.require();
+		this.runtimePart = this.provider.runtime.part('label', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			onRefChange: (v) => {
+				this.provider.labelNode = v;
+			}
+		});
 	}
 
 	readonly onclick = () => {