diff --git a/frontend/src/lib/components/GeschichteEditor.svelte b/frontend/src/lib/components/GeschichteEditor.svelte
new file mode 100644
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+++ b/frontend/src/lib/components/GeschichteEditor.svelte
@@ -0,0 +1,329 @@
+<script lang="ts">
+import { onDestroy, onMount } from 'svelte';
+import { beforeNavigate } from '$app/navigation';
+import { Editor } from '@tiptap/core';
+import StarterKit from '@tiptap/starter-kit';
+import { m } from '$lib/paraglide/messages.js';
+import type { components } from '$lib/generated/api';
+import PersonMultiSelect from './PersonMultiSelect.svelte';
+import DocumentMultiSelect from './DocumentMultiSelect.svelte';
+
+type Geschichte = components['schemas']['Geschichte'];
+type Person = components['schemas']['Person'];
+type Document = components['schemas']['Document'];
+
+interface Props {
+	geschichte?: Geschichte | null;
+	initialPersons?: Person[];
+	initialDocuments?: Document[];
+	onSubmit: (payload: {
+		title: string;
+		body: string;
+		status: 'DRAFT' | 'PUBLISHED';
+		personIds: string[];
+		documentIds: string[];
+	}) => Promise<void>;
+	submitting?: boolean;
+}
+
+let {
+	geschichte = null,
+	initialPersons = [],
+	initialDocuments = [],
+	onSubmit,
+	submitting = false
+}: Props = $props();
+
+// Initial-state snapshot from incoming props. The editor owns these values
+// after mount; the parent should re-mount the component with a different
+// `geschichte` to reset (consistent with how form components in this codebase
+// behave — see DocumentEdit page).
+let title = $state(geschichte?.title ?? '');
+let body = $state(geschichte?.body ?? '');
+let status: 'DRAFT' | 'PUBLISHED' = $state(geschichte?.status ?? 'DRAFT');
+let selectedPersons: Person[] = $state(
+	geschichte?.persons ? Array.from(geschichte.persons) : initialPersons
+);
+let selectedDocuments: Document[] = $state(
+	geschichte?.documents ? Array.from(geschichte.documents) : initialDocuments
+);
+
+let dirty = $state(false);
+let titleTouched = $state(false);
+
+const titleEmpty = $derived(title.trim().length === 0);
+const isDraft = $derived(status === 'DRAFT');
+const showTitleError = $derived(titleEmpty && titleTouched);
+
+let editorEl: HTMLDivElement;
+let editor: Editor | null = null;
+let toolbarVersion = $state(0);
+
+onMount(() => {
+	editor = new Editor({
+		element: editorEl,
+		content: body,
+		extensions: [
+			StarterKit.configure({
+				heading: { levels: [2, 3] },
+				code: false,
+				codeBlock: false,
+				blockquote: false,
+				strike: false,
+				horizontalRule: false,
+				hardBreak: false
+			})
+		],
+		editorProps: {
+			attributes: {
+				role: 'textbox',
+				'aria-multiline': 'true',
+				'aria-label': m.geschichte_editor_body_placeholder(),
+				class:
+					'prose max-w-none focus:outline-none min-h-[260px] font-serif text-base leading-relaxed'
+			}
+		},
+		onUpdate({ editor: ed }) {
+			body = ed.getHTML();
+			dirty = true;
+		},
+		onSelectionUpdate() {
+			toolbarVersion++;
+		},
+		onTransaction() {
+			toolbarVersion++;
+		}
+	});
+});
+
+onDestroy(() => {
+	editor?.destroy();
+});
+
+beforeNavigate(({ cancel }) => {
+	if (dirty && !submitting) {
+		const ok = window.confirm(m.geschichte_editor_unsaved_changes());
+		if (!ok) cancel();
+	}
+});
+
+function handleTitleBlur() {
+	titleTouched = true;
+}
+
+function handleTitleInput() {
+	dirty = true;
+}
+
+async function save(nextStatus: 'DRAFT' | 'PUBLISHED') {
+	titleTouched = true;
+	if (titleEmpty) return;
+	await onSubmit({
+		title: title.trim(),
+		body,
+		status: nextStatus,
+		personIds: selectedPersons.map((p) => p.id!).filter(Boolean),
+		documentIds: selectedDocuments.map((d) => d.id!).filter(Boolean)
+	});
+	dirty = false;
+}
+
+function isActive(name: string, attrs?: Record<string, unknown>): boolean {
+	void toolbarVersion;
+	return editor?.isActive(name, attrs) ?? false;
+}
+
+function exec(action: () => void) {
+	if (!editor) return;
+	action();
+	editor.commands.focus();
+}
+</script>
+
+<div class="grid grid-cols-1 gap-6 lg:grid-cols-[2fr_1fr]">
+	<!-- Editor column -->
+	<div class="flex flex-col gap-4">
+		<!-- Title -->
+		<div>
+			<input
+				type="text"
+				bind:value={title}
+				oninput={handleTitleInput}
+				onblur={handleTitleBlur}
+				placeholder={m.geschichte_editor_title_placeholder()}
+				aria-invalid={showTitleError}
+				aria-describedby={showTitleError ? 'title-error' : undefined}
+				class="block w-full rounded border border-line bg-surface px-3 py-3 font-serif text-2xl font-bold text-ink placeholder:text-ink-3 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring"
+			/>
+			{#if showTitleError}
+				<p id="title-error" class="mt-1 text-sm text-danger" role="alert">
+					{m.geschichte_editor_title_required()}
+				</p>
+			{/if}
+		</div>
+
+		<!-- Toolbar -->
+		<div
+			role="toolbar"
+			aria-label="Formatierung"
+			class="flex flex-wrap items-center gap-1 rounded border border-line bg-surface p-1"
+		>
+			<button
+				type="button"
+				onclick={() => exec(() => editor!.chain().focus().toggleBold().run())}
+				aria-label={m.geschichte_editor_toolbar_bold()}
+				aria-pressed={isActive('bold')}
+				title={m.geschichte_editor_toolbar_bold()}
+				class="inline-flex h-11 min-w-[44px] items-center justify-center rounded px-2 font-bold text-ink hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring aria-pressed:bg-accent-bg"
+			>
+				B
+			</button>
+			<button
+				type="button"
+				onclick={() => exec(() => editor!.chain().focus().toggleItalic().run())}
+				aria-label={m.geschichte_editor_toolbar_italic()}
+				aria-pressed={isActive('italic')}
+				title={m.geschichte_editor_toolbar_italic()}
+				class="inline-flex h-11 min-w-[44px] items-center justify-center rounded px-2 text-ink italic hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring aria-pressed:bg-accent-bg"
+			>
+				I
+			</button>
+			<span class="mx-1 h-6 w-px bg-line" aria-hidden="true"></span>
+			<button
+				type="button"
+				onclick={() => exec(() => editor!.chain().focus().toggleHeading({ level: 2 }).run())}
+				aria-label={m.geschichte_editor_toolbar_h2()}
+				aria-pressed={isActive('heading', { level: 2 })}
+				title={m.geschichte_editor_toolbar_h2()}
+				class="inline-flex h-11 min-w-[44px] items-center justify-center rounded px-2 text-sm font-bold text-ink hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring aria-pressed:bg-accent-bg"
+			>
+				H2
+			</button>
+			<button
+				type="button"
+				onclick={() => exec(() => editor!.chain().focus().toggleHeading({ level: 3 }).run())}
+				aria-label={m.geschichte_editor_toolbar_h3()}
+				aria-pressed={isActive('heading', { level: 3 })}
+				title={m.geschichte_editor_toolbar_h3()}
+				class="inline-flex h-11 min-w-[44px] items-center justify-center rounded px-2 text-sm font-bold text-ink hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring aria-pressed:bg-accent-bg"
+			>
+				H3
+			</button>
+			<span class="mx-1 h-6 w-px bg-line" aria-hidden="true"></span>
+			<button
+				type="button"
+				onclick={() => exec(() => editor!.chain().focus().toggleBulletList().run())}
+				aria-label={m.geschichte_editor_toolbar_ul()}
+				aria-pressed={isActive('bulletList')}
+				title={m.geschichte_editor_toolbar_ul()}
+				class="inline-flex h-11 min-w-[44px] items-center justify-center rounded px-2 text-ink hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring aria-pressed:bg-accent-bg"
+			>
+				•
+			</button>
+			<button
+				type="button"
+				onclick={() => exec(() => editor!.chain().focus().toggleOrderedList().run())}
+				aria-label={m.geschichte_editor_toolbar_ol()}
+				aria-pressed={isActive('orderedList')}
+				title={m.geschichte_editor_toolbar_ol()}
+				class="inline-flex h-11 min-w-[44px] items-center justify-center rounded px-2 text-ink hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring aria-pressed:bg-accent-bg"
+			>
+				1.
+			</button>
+		</div>
+
+		<!-- Editor surface -->
+		<div
+			class="rounded border border-line bg-surface p-4 shadow-sm focus-within:ring-2 focus-within:ring-focus-ring"
+		>
+			<div bind:this={editorEl} class="min-h-[260px]"></div>
+		</div>
+	</div>
+
+	<!-- Sidebar -->
+	<aside class="flex flex-col gap-6">
+		<section class="rounded border border-line bg-surface p-4 shadow-sm">
+			<h2 class="mb-1 font-sans text-xs font-bold tracking-widest text-ink-3 uppercase">Status</h2>
+			<p class="mb-3">
+				<span
+					class="inline-flex items-center rounded px-2 py-1 font-sans text-xs font-bold tracking-widest uppercase {isDraft
+						? 'bg-muted text-ink-2'
+						: 'bg-accent-bg text-ink'}"
+				>
+					{isDraft
+						? m.geschichte_editor_status_draft()
+						: m.geschichte_editor_status_published()}
+				</span>
+			</p>
+			<p class="font-sans text-xs text-ink-3">
+				{isDraft
+					? m.geschichte_editor_status_draft_hint()
+					: m.geschichte_editor_status_published_hint()}
+			</p>
+		</section>
+
+		<section class="rounded border border-line bg-surface p-4 shadow-sm">
+			<h2 class="mb-2 font-sans text-xs font-bold tracking-widest text-ink-3 uppercase">
+				{m.geschichte_editor_personen_heading()}
+			</h2>
+			<p class="mb-3 font-sans text-xs text-ink-3">{m.geschichte_editor_personen_hint()}</p>
+			<PersonMultiSelect bind:selectedPersons={selectedPersons} />
+		</section>
+
+		<section class="rounded border border-line bg-surface p-4 shadow-sm">
+			<h2 class="mb-2 font-sans text-xs font-bold tracking-widest text-ink-3 uppercase">
+				{m.geschichte_editor_dokumente_heading()}
+			</h2>
+			<p class="mb-3 font-sans text-xs text-ink-3">{m.geschichte_editor_dokumente_hint()}</p>
+			<DocumentMultiSelect bind:selectedDocuments={selectedDocuments} />
+		</section>
+	</aside>
+</div>
+
+<!-- Save bar -->
+<div
+	class="sticky bottom-0 z-10 -mx-4 mt-6 flex flex-col gap-3 border-t border-line bg-surface px-6 py-4 shadow-[0_-2px_8px_rgba(0,0,0,0.06)] sm:flex-row sm:items-center sm:justify-between"
+>
+	<p class="font-sans text-xs text-ink-3">
+		{isDraft
+			? m.geschichte_editor_save_hint_draft()
+			: m.geschichte_editor_save_hint_published()}
+	</p>
+	<div class="flex gap-2">
+		{#if isDraft}
+			<button
+				type="button"
+				onclick={() => save('DRAFT')}
+				disabled={submitting || titleEmpty}
+				class="inline-flex h-11 items-center rounded border border-line bg-surface px-4 font-sans text-sm font-medium text-ink hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring disabled:cursor-not-allowed disabled:opacity-50"
+			>
+				{m.geschichte_editor_save_draft()}
+			</button>
+			<button
+				type="button"
+				onclick={() => save('PUBLISHED')}
+				disabled={submitting || titleEmpty}
+				class="inline-flex h-11 items-center rounded bg-primary px-4 font-sans text-sm font-medium text-primary-fg hover:opacity-90 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring disabled:cursor-not-allowed disabled:opacity-50"
+			>
+				{m.geschichte_editor_publish()}
+			</button>
+		{:else}
+			<button
+				type="button"
+				onclick={() => save('DRAFT')}
+				disabled={submitting}
+				class="inline-flex h-11 items-center rounded border border-line bg-surface px-4 font-sans text-sm font-medium text-amber-700 hover:bg-muted focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring disabled:cursor-not-allowed disabled:opacity-50"
+			>
+				{m.geschichte_editor_unpublish()}
+			</button>
+			<button
+				type="button"
+				onclick={() => save('PUBLISHED')}
+				disabled={submitting || titleEmpty}
+				class="inline-flex h-11 items-center rounded bg-primary px-4 font-sans text-sm font-medium text-primary-fg hover:opacity-90 focus:outline-none focus-visible:ring-2 focus-visible:ring-focus-ring disabled:cursor-not-allowed disabled:opacity-50"
+			>
+				{m.geschichte_editor_save()}
+			</button>
+		{/if}
+	</div>
+</div>