Use root Soma services in overlay providers

src/uix/soma/components/dialog/dialog-provider.svelte.ts

@@ -64,6 +64,7 @@ export class DialogProvider {
 	}
 
 	readonly opts: DialogOpts;
+	readonly soma: Soma;
 	readonly runtime: SomaRuntime;
 	readonly runtimePart: SomaRuntimePart;
 
@@ -128,8 +129,8 @@ export class DialogProvider {
 		const onOpen = () => this.handleOpen();
 		const onClose = () => this.handleClose();
 
-		const soma = Soma.require();
+		this.soma = Soma.require();
-		this.runtime = soma.runtime(dialogMorfo, {
+		this.runtime = this.soma.runtime(dialogMorfo, {
 			states: { open: () => opts.open.current },
 			props: {
 				disabled: () => opts.disabled.current,
@@ -350,7 +351,7 @@ export class DialogContentProvider {
 
 		this.textSelection = TextSelection.use({
 			ref: readableActive(() => opts.ref.current),
-			dom: Soma.require().dom,
+			dom: this.provider.soma.dom,
 			enabled: readableActive(() => this.provider.opts.open.current),
 			onPointerDown: readableActive(() => () => {}),
 			onPointerUp: readableActive(() => () => {})

src/uix/soma/components/drawer/drawer-provider.svelte.ts

@@ -113,7 +113,7 @@ export class DrawerProvider {
 	}
 
 	readonly opts: DrawerOpts;
-	readonly soma = Soma.get();
+	readonly soma: Soma;
 	readonly runtime: SomaRuntime;
 	readonly runtimePart: SomaRuntimePart;
 
@@ -138,7 +138,7 @@ export class DrawerProvider {
 	private overlayRef = state<HTMLElement | null>(null);
 
 	readonly resolvedSide = $derived.by((): DrawerSide => {
-		const dir = this.soma?.prefs.getDir() ?? 'ltr';
+		const dir = this.soma.prefs.getDir();
 		return resolveDirection(this.opts.direction.current, dir);
 	});
 
@@ -195,8 +195,8 @@ export class DrawerProvider {
 		// `data-dragging` on Content props.
 		const noop = () => {};
 
-		const soma = Soma.require();
+		this.soma = Soma.require();
-		this.runtime = soma.runtime(drawerMorfo, {
+		this.runtime = this.soma.runtime(drawerMorfo, {
 			// 'persistent' forces open=true so eidos can render the layout
 			// drawer without the consumer needing to bind `open`. The morfo
 			// state is read once per tick so the override is reactive.
@@ -480,7 +480,7 @@ export class DrawerContentProvider {
 		// ── Text selection ───────────────────────────────────────────────────
 		this.textSelection = TextSelection.use({
 			ref: readableActive(() => opts.ref.current),
-			dom: Soma.require().dom,
+			dom: this.provider.soma.dom,
 			enabled: readableActive(() => this.provider.opts.open.current),
 			onPointerDown: readableActive(() => () => {}),
 			onPointerUp: readableActive(() => () => {})

src/uix/soma/components/popover/popover-provider.svelte.ts

@@ -483,7 +483,7 @@ export class PopoverContentProvider {
 		// Text selection
 		this.textSelection = TextSelection.use({
 			ref: readableActive(() => opts.ref.current),
-			dom: Soma.require().dom,
+			dom: this.provider.soma.dom,
 			enabled: readableActive(() => this.provider.opts.open.current),
 			onPointerDown: readableActive(() => () => {}),
 			onPointerUp: readableActive(() => () => {})

src/uix/soma/components/toast/toast-provider.svelte.ts

@@ -46,7 +46,7 @@ export class ToastProvider {
 	}
 
 	readonly opts: ToastProviderOpts;
-	readonly soma = Soma.get();
+	readonly soma: Soma;
 	readonly runtime: SomaRuntime;
 
 	private constructor(opts: ToastProviderOpts) {
@@ -55,8 +55,8 @@ export class ToastProvider {
 
 		// Root-scope runtime — only the Viewport part registers here. Item and
 		// its children get their own runtime per-instance (see ToastItemProvider).
-		const soma = Soma.require();
+		this.soma = Soma.require();
-		this.runtime = soma.runtime(toastMorfo, {
+		this.runtime = this.soma.runtime(toastMorfo, {
 			props: {
 				label: () => opts.label.current
 			}
@@ -229,7 +229,7 @@ export class ToastItemProvider {
 		// `events.dismiss` is the WHEN — runtime.trigger('dismiss') runs the
 		// perceptual signal first, then this callback mutates state, then the
 		// item's effect re-derives data-state etc. via dom.apply.
-		const soma = Soma.require();
+		const soma = this.provider.soma;
 		this.runtime = soma.runtime(toastMorfo, {
 			states: {
 				open: () => this.isOpen
@@ -326,8 +326,7 @@ export class ToastItemProvider {
 		if (!isBrowser) return;
 		this.clearTimer();
 		this.startTime = Date.now();
-		const soma = Soma.require();
+		this.autoDismissTimer = this.provider.soma.uix.timers.schedule(
-		this.autoDismissTimer = soma.uix.timers.schedule(
 			this.autoDismissKey,
 			this.remaining,
 			() => {