diff --git a/frontend/src/lib/document/DocumentMultiSelect.svelte b/frontend/src/lib/document/DocumentMultiSelect.svelte
index dcb4ecca..fbfd59a9 100644
--- a/frontend/src/lib/document/DocumentMultiSelect.svelte
+++ b/frontend/src/lib/document/DocumentMultiSelect.svelte
@@ -5,11 +5,20 @@ import { clickOutside } from '$lib/shared/actions/clickOutside';
 import { formatDocumentDate, type DatePrecision } from '$lib/shared/utils/documentDate';
 import { getLocale } from '$lib/paraglide/runtime.js';
 
-type Document = components['schemas']['Document'];
 type DocumentListItem = components['schemas']['DocumentListItem'];
 
+/**
+ * Exactly the fields this picker reads — id for selection/dedup, the rest for
+ * the honest date label. A full `Document` and a `DocumentListItem` are both
+ * structurally assignable, so the search results need no cast.
+ */
+type DocumentOption = Pick<
+	DocumentListItem,
+	'id' | 'title' | 'documentDate' | 'metaDatePrecision' | 'metaDateEnd'
+>;
+
 interface Props {
-	selectedDocuments?: Document[];
+	selectedDocuments?: DocumentOption[];
 	placeholder?: string;
 	hiddenInputName?: string;
 }
@@ -21,7 +30,7 @@ let {
 }: Props = $props();
 
 let searchTerm = $state('');
-let results: Document[] = $state([]);
+let results: DocumentOption[] = $state([]);
 let showDropdown = $state(false);
 let loading = $state(false);
 let debounceTimer: ReturnType<typeof setTimeout>;
@@ -47,13 +56,13 @@ function handleInput() {
 			const res = await fetch(`/api/documents/search?q=${encodeURIComponent(searchTerm)}&size=10`);
 			if (res.ok) {
 				const body: { items: DocumentListItem[] } = await res.json();
-				const docs = body.items.map((it) => ({
+				const docs: DocumentOption[] = body.items.map((it) => ({
 					id: it.id,
 					title: it.title,
 					documentDate: it.documentDate,
 					metaDatePrecision: it.metaDatePrecision,
 					metaDateEnd: it.metaDateEnd
-				})) as unknown as Document[];
+				}));
 				results = docs.filter((d) => !selectedDocuments.some((s) => s.id === d.id));
 			}
 		} catch {
@@ -64,7 +73,7 @@ function handleInput() {
 	}, 300);
 }
 
-function selectDocument(doc: Document) {
+function selectDocument(doc: DocumentOption) {
 	selectedDocuments = [...selectedDocuments, doc];
 	searchTerm = '';
 	showDropdown = false;
@@ -75,10 +84,15 @@ function removeDocument(id: string | undefined) {
 	selectedDocuments = selectedDocuments.filter((d) => d.id !== id);
 }
 
-function formatDocLabel(doc: Document): string {
+function formatDocLabel(doc: DocumentOption): string {
 	if (!doc.documentDate) return doc.title;
-	const precision = (doc.metaDatePrecision as DatePrecision | undefined) ?? 'DAY';
-	const label = formatDocumentDate(doc.documentDate, precision, doc.metaDateEnd, null, getLocale());
+	const label = formatDocumentDate(
+		doc.documentDate,
+		doc.metaDatePrecision as DatePrecision,
+		doc.metaDateEnd,
+		null,
+		getLocale()
+	);
 	return `${doc.title} · ${label}`;
 }
 </script>