diff --git a/apps/mana/apps/web/src/lib/components/layout/SpaceCreateDialog.svelte b/apps/mana/apps/web/src/lib/components/layout/SpaceCreateDialog.svelte
new file mode 100644
index 000000000..ecc5333c9
--- /dev/null
+++ b/apps/mana/apps/web/src/lib/components/layout/SpaceCreateDialog.svelte
@@ -0,0 +1,401 @@
+<script lang="ts">
+	/**
+	 * SpaceCreateDialog — modal for creating a new Space.
+	 *
+	 * Renders a type picker, a name input, a slug preview, and
+	 * (for brand/club/practice) an optional "UID / legal entity" field.
+	 * POSTs to Better Auth's /organization/create with the proper
+	 * metadata.type payload, then activates the new org and reloads
+	 * the page so every live query repaints against the new scope.
+	 */
+
+	import { SPACE_TYPES, SPACE_TYPE_LABELS, SPACE_TYPE_DESCRIPTIONS } from '@mana/shared-branding';
+	import type { SpaceType } from '@mana/shared-types';
+	import { loadActiveSpace } from '$lib/data/scope';
+
+	interface Props {
+		open: boolean;
+		locale?: 'de' | 'en';
+		onClose: () => void;
+	}
+
+	let { open = $bindable(), locale = 'de', onClose }: Props = $props();
+
+	let type = $state<SpaceType>('brand');
+	let name = $state('');
+	let slug = $state('');
+	let slugTouched = $state(false);
+	let voiceDoc = $state('');
+	let uid = $state('');
+	let legalEntity = $state('');
+	let submitting = $state(false);
+	let error = $state<string | null>(null);
+
+	/**
+	 * Keep `slug` in sync with `name` until the user edits the slug
+	 * directly. A minimal slugifier — lowercase alphanumerics + hyphens,
+	 * trim dashes, cap at 32 chars. The server generates its own if we
+	 * leave this blank, but showing a live preview is friendlier.
+	 */
+	const derivedSlug = $derived(
+		slugTouched
+			? slug
+			: name
+					.toLowerCase()
+					.replace(/[^a-z0-9-]+/g, '-')
+					.replace(/-+/g, '-')
+					.replace(/^-|-$/g, '')
+					.slice(0, 32)
+	);
+
+	function close() {
+		if (submitting) return;
+		open = false;
+		error = null;
+		onClose();
+	}
+
+	function handleKey(e: KeyboardEvent) {
+		if (open && e.key === 'Escape') close();
+	}
+
+	async function submit(e: Event) {
+		e.preventDefault();
+		if (submitting) return;
+		if (!name.trim()) {
+			error = locale === 'de' ? 'Bitte einen Namen angeben' : 'Name required';
+			return;
+		}
+		submitting = true;
+		error = null;
+		const metadata: Record<string, unknown> = { type };
+		if (voiceDoc.trim()) metadata.voiceDoc = voiceDoc.trim();
+		if (uid.trim()) metadata.uid = uid.trim();
+		if (legalEntity.trim()) metadata.legalEntity = legalEntity.trim();
+
+		try {
+			const res = await fetch('/api/auth/organization/create', {
+				method: 'POST',
+				credentials: 'include',
+				headers: { 'content-type': 'application/json' },
+				body: JSON.stringify({
+					name: name.trim(),
+					slug: derivedSlug || undefined,
+					metadata,
+				}),
+			});
+			if (!res.ok) {
+				const text = await res.text();
+				throw new Error(text || `create failed: ${res.status}`);
+			}
+			const created = (await res.json()) as { id: string };
+			// Activate the new space so the user lands inside it on reload.
+			await fetch('/api/auth/organization/set-active', {
+				method: 'POST',
+				credentials: 'include',
+				headers: { 'content-type': 'application/json' },
+				body: JSON.stringify({ organizationId: created.id }),
+			});
+			await loadActiveSpace({ force: true });
+			if (typeof window !== 'undefined') window.location.reload();
+		} catch (err) {
+			error = err instanceof Error ? err.message : String(err);
+			submitting = false;
+		}
+	}
+
+	const showBrandExtras = $derived(type === 'brand' || type === 'club');
+	const showBusinessExtras = $derived(type === 'brand' || type === 'club' || type === 'practice');
+</script>
+
+<svelte:window onkeydown={handleKey} />
+
+{#if open}
+	<div
+		class="backdrop"
+		role="button"
+		tabindex="-1"
+		aria-label="Dialog schließen"
+		onclick={close}
+		onkeydown={(e) => (e.key === 'Enter' || e.key === ' ' ? close() : null)}
+	></div>
+	<div class="dialog" role="dialog" aria-modal="true" aria-labelledby="space-create-title">
+		<form onsubmit={submit}>
+			<header>
+				<h2 id="space-create-title">
+					{locale === 'de' ? 'Neuer Space' : 'New space'}
+				</h2>
+				<button type="button" class="close" onclick={close} aria-label="Schließen">×</button>
+			</header>
+
+			<fieldset class="type-picker">
+				<legend>{locale === 'de' ? 'Typ' : 'Type'}</legend>
+				<div class="type-grid">
+					{#each SPACE_TYPES as t (t)}
+						{#if t !== 'personal'}
+							<label class="type-option" class:active={type === t}>
+								<input type="radio" name="type" value={t} bind:group={type} />
+								<span class="type-name">{SPACE_TYPE_LABELS[locale][t]}</span>
+								<span class="type-desc">{SPACE_TYPE_DESCRIPTIONS[locale][t]}</span>
+							</label>
+						{/if}
+					{/each}
+				</div>
+			</fieldset>
+
+			<label class="field">
+				<span>{locale === 'de' ? 'Name' : 'Name'}</span>
+				<input
+					type="text"
+					bind:value={name}
+					placeholder={type === 'brand' ? 'Edisconet' : ''}
+					required
+				/>
+			</label>
+
+			<label class="field">
+				<span>{locale === 'de' ? 'URL-Kürzel' : 'URL slug'}</span>
+				<input
+					type="text"
+					value={derivedSlug}
+					oninput={(e) => {
+						slug = (e.currentTarget as HTMLInputElement).value;
+						slugTouched = true;
+					}}
+					placeholder="my-space"
+					pattern="[a-z0-9-]*"
+				/>
+				<small class="hint">
+					{locale === 'de'
+						? 'mana.how/@' + (derivedSlug || '…')
+						: 'mana.how/@' + (derivedSlug || '…')}
+				</small>
+			</label>
+
+			{#if showBrandExtras}
+				<label class="field">
+					<span>{locale === 'de' ? 'Brand-Voice (optional)' : 'Brand voice (optional)'}</span>
+					<textarea
+						bind:value={voiceDoc}
+						rows="3"
+						placeholder={locale === 'de'
+							? 'Tonalität, Lieblings-Wörter, verbotene Wörter …'
+							: 'Tone, preferred words, banned words …'}
+					></textarea>
+				</label>
+			{/if}
+
+			{#if showBusinessExtras}
+				<label class="field">
+					<span>{locale === 'de' ? 'UID / MwSt (optional)' : 'UID / VAT (optional)'}</span>
+					<input type="text" bind:value={uid} placeholder="CHE-123.456.789" />
+				</label>
+				<label class="field">
+					<span>{locale === 'de' ? 'Rechtsform (optional)' : 'Legal entity (optional)'}</span>
+					<input type="text" bind:value={legalEntity} placeholder="GmbH / AG / Verein …" />
+				</label>
+			{/if}
+
+			{#if error}
+				<div class="error">{error}</div>
+			{/if}
+
+			<footer>
+				<button type="button" class="secondary" onclick={close} disabled={submitting}>
+					{locale === 'de' ? 'Abbrechen' : 'Cancel'}
+				</button>
+				<button type="submit" class="primary" disabled={submitting || !name.trim()}>
+					{submitting
+						? locale === 'de'
+							? 'Erstelle …'
+							: 'Creating …'
+						: locale === 'de'
+							? 'Erstellen'
+							: 'Create'}
+				</button>
+			</footer>
+		</form>
+	</div>
+{/if}
+
+<style>
+	.backdrop {
+		position: fixed;
+		inset: 0;
+		background: rgba(0, 0, 0, 0.4);
+		z-index: 200;
+		border: 0;
+	}
+
+	.dialog {
+		position: fixed;
+		top: 50%;
+		left: 50%;
+		transform: translate(-50%, -50%);
+		width: min(540px, 92vw);
+		max-height: 86vh;
+		overflow-y: auto;
+		background: var(--color-surface-1, white);
+		color: var(--color-text, inherit);
+		border-radius: var(--radius-lg, 10px);
+		box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
+		z-index: 201;
+	}
+
+	form {
+		padding: 1.25rem;
+		display: flex;
+		flex-direction: column;
+		gap: 0.875rem;
+	}
+
+	header {
+		display: flex;
+		align-items: center;
+		justify-content: space-between;
+		margin-bottom: 0.25rem;
+	}
+
+	h2 {
+		font-size: 1.125rem;
+		font-weight: 600;
+		margin: 0;
+	}
+
+	.close {
+		background: transparent;
+		border: 0;
+		font-size: 1.5rem;
+		line-height: 1;
+		cursor: pointer;
+		color: var(--color-text-muted, hsl(0 0% 45%));
+	}
+
+	.type-picker {
+		border: 0;
+		padding: 0;
+		margin: 0;
+	}
+
+	.type-picker legend {
+		font-size: 0.8125rem;
+		font-weight: 500;
+		color: var(--color-text-muted, hsl(0 0% 45%));
+		margin-bottom: 0.5rem;
+	}
+
+	.type-grid {
+		display: grid;
+		grid-template-columns: 1fr 1fr;
+		gap: 0.5rem;
+	}
+
+	.type-option {
+		display: flex;
+		flex-direction: column;
+		gap: 0.25rem;
+		padding: 0.625rem 0.75rem;
+		border: 1px solid var(--color-border, hsl(0 0% 88%));
+		border-radius: var(--radius-md, 6px);
+		cursor: pointer;
+		transition: all 120ms ease;
+	}
+
+	.type-option.active {
+		border-color: var(--color-primary, hsl(230 80% 50%));
+		background: var(--color-surface-2, hsl(230 80% 97%));
+	}
+
+	.type-option input {
+		display: none;
+	}
+
+	.type-name {
+		font-weight: 500;
+		font-size: 0.875rem;
+	}
+
+	.type-desc {
+		font-size: 0.75rem;
+		color: var(--color-text-muted, hsl(0 0% 45%));
+		line-height: 1.35;
+	}
+
+	.field {
+		display: flex;
+		flex-direction: column;
+		gap: 0.25rem;
+	}
+
+	.field span {
+		font-size: 0.8125rem;
+		font-weight: 500;
+		color: var(--color-text-muted, hsl(0 0% 45%));
+	}
+
+	.field input,
+	.field textarea {
+		padding: 0.5rem 0.625rem;
+		border: 1px solid var(--color-border, hsl(0 0% 88%));
+		border-radius: var(--radius-md, 6px);
+		background: var(--color-surface-1, white);
+		color: var(--color-text, inherit);
+		font: inherit;
+		font-size: 0.875rem;
+	}
+
+	.field input:focus,
+	.field textarea:focus {
+		outline: none;
+		border-color: var(--color-primary, hsl(230 80% 50%));
+	}
+
+	.hint {
+		font-size: 0.75rem;
+		color: var(--color-text-muted, hsl(0 0% 50%));
+	}
+
+	.error {
+		padding: 0.5rem 0.625rem;
+		background: hsl(0 70% 96%);
+		color: hsl(0 60% 40%);
+		border-radius: var(--radius-md, 6px);
+		font-size: 0.8125rem;
+	}
+
+	footer {
+		display: flex;
+		justify-content: flex-end;
+		gap: 0.5rem;
+		margin-top: 0.25rem;
+	}
+
+	footer button {
+		padding: 0.5rem 1rem;
+		border-radius: var(--radius-md, 6px);
+		border: 1px solid transparent;
+		font: inherit;
+		font-size: 0.875rem;
+		cursor: pointer;
+	}
+
+	.primary {
+		background: var(--color-primary, hsl(230 80% 50%));
+		color: white;
+	}
+
+	.primary:disabled {
+		opacity: 0.55;
+		cursor: not-allowed;
+	}
+
+	.secondary {
+		background: transparent;
+		border-color: var(--color-border, hsl(0 0% 88%));
+		color: var(--color-text, inherit);
+	}
+
+	.secondary:hover:not(:disabled) {
+		background: var(--color-surface-2, hsl(0 0% 96%));
+	}
+</style>
diff --git a/apps/mana/apps/web/src/lib/components/layout/SpaceSwitcher.svelte b/apps/mana/apps/web/src/lib/components/layout/SpaceSwitcher.svelte
new file mode 100644
index 000000000..28821a0cb
--- /dev/null
+++ b/apps/mana/apps/web/src/lib/components/layout/SpaceSwitcher.svelte
@@ -0,0 +1,302 @@
+<script lang="ts">
+	/**
+	 * SpaceSwitcher — dropdown that shows the active Space and lets the
+	 * user switch to another one or create a new Space.
+	 *
+	 * Minimal and self-contained so it can be dropped anywhere in the
+	 * header without touching the PillNavigation's own config surface.
+	 * Uses plain <button> + absolute-positioned <div> for the dropdown
+	 * — sufficient for Phase 1; can migrate to a shared-ui Popover
+	 * primitive later if the pattern repeats.
+	 */
+
+	import { getActiveSpace, loadActiveSpace, type ActiveSpace } from '$lib/data/scope';
+	import { SPACE_TYPE_LABELS } from '@mana/shared-branding';
+	import { isSpaceType } from '@mana/shared-types';
+	import SpaceCreateDialog from './SpaceCreateDialog.svelte';
+
+	interface Props {
+		/** BCP47 locale for type labels. Falls back to 'de'. */
+		locale?: 'de' | 'en';
+	}
+
+	let { locale = 'de' }: Props = $props();
+
+	let open = $state(false);
+	let createOpen = $state(false);
+	let spaces = $state<ActiveSpace[]>([]);
+	let loadingList = $state(false);
+	let switching = $state(false);
+	let loadError = $state<string | null>(null);
+
+	const active = $derived(getActiveSpace());
+
+	function typeLabel(type: ActiveSpace['type']): string {
+		return SPACE_TYPE_LABELS[locale][type];
+	}
+
+	async function openDropdown() {
+		open = true;
+		loadingList = true;
+		loadError = null;
+		try {
+			const res = await fetch('/api/auth/organization/list', { credentials: 'include' });
+			if (!res.ok) throw new Error(`list failed: ${res.status}`);
+			const raw = (await res.json()) as Array<{
+				id: string;
+				slug?: string | null;
+				name: string;
+				metadata?: unknown;
+			}>;
+			spaces = raw.map((o) => {
+				const meta = (o.metadata ?? {}) as { type?: unknown };
+				const type = isSpaceType(meta.type) ? meta.type : 'personal';
+				return {
+					id: o.id,
+					slug: o.slug ?? '',
+					name: o.name,
+					type,
+					role: 'member', // real role comes via /get-active-member; not needed for display
+				};
+			});
+		} catch (err) {
+			loadError = err instanceof Error ? err.message : String(err);
+		} finally {
+			loadingList = false;
+		}
+	}
+
+	async function switchTo(id: string) {
+		if (switching) return;
+		if (id === active?.id) {
+			open = false;
+			return;
+		}
+		switching = true;
+		try {
+			const res = await fetch('/api/auth/organization/set-active', {
+				method: 'POST',
+				credentials: 'include',
+				headers: { 'content-type': 'application/json' },
+				body: JSON.stringify({ organizationId: id }),
+			});
+			if (!res.ok) throw new Error(`set-active failed: ${res.status}`);
+			await loadActiveSpace({ force: true });
+			// Full reload so every liveQuery re-evaluates against the new active
+			// space. A reactive-invalidation path would require each liveQuery
+			// to re-subscribe on spaceId change; revisit once the scope wrapper
+			// is used widely enough for that to matter.
+			if (typeof window !== 'undefined') window.location.reload();
+		} catch (err) {
+			loadError = err instanceof Error ? err.message : String(err);
+		} finally {
+			switching = false;
+		}
+	}
+
+	function handleKey(e: KeyboardEvent) {
+		if (e.key === 'Escape') open = false;
+	}
+</script>
+
+<svelte:window onkeydown={handleKey} />
+
+<div class="space-switcher" class:open>
+	<button
+		type="button"
+		class="trigger"
+		aria-haspopup="menu"
+		aria-expanded={open}
+		onclick={() => (open ? (open = false) : openDropdown())}
+	>
+		<span class="name">{active?.name ?? '…'}</span>
+		{#if active}
+			<span class="type-badge" data-type={active.type}>{typeLabel(active.type)}</span>
+		{/if}
+		<span class="chev" aria-hidden="true">▾</span>
+	</button>
+
+	{#if open}
+		<div class="dropdown" role="menu" aria-label={locale === 'de' ? 'Spaces' : 'Spaces'}>
+			{#if loadingList}
+				<div class="empty">{locale === 'de' ? 'Lädt …' : 'Loading …'}</div>
+			{:else if loadError}
+				<div class="error">{loadError}</div>
+			{:else if spaces.length === 0}
+				<div class="empty">
+					{locale === 'de' ? 'Keine Spaces' : 'No spaces'}
+				</div>
+			{:else}
+				{#each spaces as space (space.id)}
+					<button
+						type="button"
+						class="item"
+						class:active={space.id === active?.id}
+						aria-current={space.id === active?.id ? 'true' : undefined}
+						onclick={() => switchTo(space.id)}
+						disabled={switching}
+					>
+						<span class="item-name">{space.name}</span>
+						<span class="type-badge" data-type={space.type}>{typeLabel(space.type)}</span>
+					</button>
+				{/each}
+			{/if}
+			<hr />
+			<button
+				type="button"
+				class="item create"
+				onclick={() => {
+					open = false;
+					createOpen = true;
+				}}
+			>
+				+ {locale === 'de' ? 'Neuer Space' : 'New space'}
+			</button>
+		</div>
+	{/if}
+</div>
+
+<SpaceCreateDialog bind:open={createOpen} {locale} onClose={() => (createOpen = false)} />
+
+<style>
+	.space-switcher {
+		position: relative;
+		display: inline-block;
+	}
+
+	.trigger {
+		display: inline-flex;
+		align-items: center;
+		gap: 0.5rem;
+		padding: 0.375rem 0.625rem;
+		border-radius: var(--radius-md, 6px);
+		background: var(--color-surface-2, transparent);
+		border: 1px solid var(--color-border, hsl(0 0% 88%));
+		color: var(--color-text, inherit);
+		font-size: 0.875rem;
+		cursor: pointer;
+		min-width: 8rem;
+		transition: background-color 120ms ease;
+	}
+
+	.trigger:hover {
+		background: var(--color-surface-3, hsl(0 0% 96%));
+	}
+
+	.name {
+		font-weight: 500;
+		overflow: hidden;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+		max-width: 10rem;
+	}
+
+	.chev {
+		font-size: 0.75rem;
+		opacity: 0.6;
+	}
+
+	.type-badge {
+		font-size: 0.6875rem;
+		padding: 0.125rem 0.375rem;
+		border-radius: var(--radius-sm, 4px);
+		background: var(--color-surface-3, hsl(0 0% 92%));
+		color: var(--color-text-muted, hsl(0 0% 45%));
+		text-transform: uppercase;
+		letter-spacing: 0.02em;
+	}
+
+	.type-badge[data-type='brand'] {
+		background: hsl(260 70% 94%);
+		color: hsl(260 60% 35%);
+	}
+	.type-badge[data-type='club'] {
+		background: hsl(160 50% 92%);
+		color: hsl(160 60% 28%);
+	}
+	.type-badge[data-type='family'] {
+		background: hsl(30 80% 92%);
+		color: hsl(30 60% 35%);
+	}
+	.type-badge[data-type='team'] {
+		background: hsl(210 60% 92%);
+		color: hsl(210 60% 32%);
+	}
+	.type-badge[data-type='practice'] {
+		background: hsl(340 50% 92%);
+		color: hsl(340 55% 38%);
+	}
+
+	.dropdown {
+		position: absolute;
+		top: calc(100% + 4px);
+		left: 0;
+		min-width: 14rem;
+		background: var(--color-surface-1, white);
+		border: 1px solid var(--color-border, hsl(0 0% 88%));
+		border-radius: var(--radius-md, 6px);
+		box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
+		padding: 0.25rem;
+		z-index: 50;
+		display: flex;
+		flex-direction: column;
+		gap: 2px;
+	}
+
+	.dropdown hr {
+		border: 0;
+		border-top: 1px solid var(--color-border, hsl(0 0% 88%));
+		margin: 0.25rem 0;
+	}
+
+	.item {
+		display: flex;
+		align-items: center;
+		justify-content: space-between;
+		gap: 0.5rem;
+		padding: 0.5rem 0.625rem;
+		border-radius: var(--radius-sm, 4px);
+		background: transparent;
+		border: 0;
+		color: var(--color-text, inherit);
+		font-size: 0.875rem;
+		text-align: left;
+		cursor: pointer;
+		text-decoration: none;
+	}
+
+	.item:hover:not(:disabled) {
+		background: var(--color-surface-2, hsl(0 0% 95%));
+	}
+
+	.item:disabled {
+		opacity: 0.6;
+		cursor: not-allowed;
+	}
+
+	.item.active {
+		background: var(--color-surface-2, hsl(0 0% 95%));
+		font-weight: 600;
+	}
+
+	.item-name {
+		overflow: hidden;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+	}
+
+	.item.create {
+		color: var(--color-primary, hsl(230 80% 50%));
+	}
+
+	.empty,
+	.error {
+		padding: 0.5rem 0.625rem;
+		font-size: 0.8125rem;
+		color: var(--color-text-muted, hsl(0 0% 45%));
+	}
+
+	.error {
+		color: hsl(0 60% 45%);
+	}
+</style>
diff --git a/apps/mana/apps/web/src/routes/(app)/+layout.svelte b/apps/mana/apps/web/src/routes/(app)/+layout.svelte
index 85083200f..339cce1bb 100644
--- a/apps/mana/apps/web/src/routes/(app)/+layout.svelte
+++ b/apps/mana/apps/web/src/routes/(app)/+layout.svelte
@@ -49,6 +49,7 @@
 	import { useAiTierItems } from '$lib/components/layout/use-ai-tier-items.svelte';
 	import { useSyncStatusItems } from '$lib/components/layout/use-sync-status-items.svelte';
 	import RouteTierGate from '$lib/components/layout/RouteTierGate.svelte';
+	import SpaceSwitcher from '$lib/components/layout/SpaceSwitcher.svelte';
 	import { useLocalStt } from '$lib/components/voice/use-local-stt.svelte';
 	import { Microphone, Stop } from '@mana/shared-icons';
 	import {
@@ -988,6 +989,11 @@
 			class="pt-2"
 		>
 			<div class="mx-auto max-w-7xl px-3 py-2 sm:px-6 sm:py-3 lg:px-8">
+				{#if authStore.isAuthenticated}
+					<div class="space-bar">
+						<SpaceSwitcher locale={$locale === 'en' ? 'en' : 'de'} />
+					</div>
+				{/if}
 				{#if routeBlocked && routeAppId}
 					<RouteTierGate
 						appName={routeAppId.name}
@@ -1037,6 +1043,12 @@
 <ToastContainer />
 
 <style>
+	.space-bar {
+		display: flex;
+		justify-content: flex-end;
+		margin-bottom: 0.5rem;
+	}
+
 	.bottom-stack {
 		position: fixed;
 		bottom: 0;