feat(search): pass matchData from server load to DocumentList

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/routes/page.svelte.spec.ts

@@ -22,8 +22,23 @@ const emptyData = {
 	canWrite: true,
 	canAnnotate: false,
 	isDashboard: false,
-	filters: { q: '', from: '', to: '', senderId: '', receiverId: '', tags: [] },
+	filters: {
+		q: '',
+		from: '',
+		to: '',
+		senderId: '',
+		receiverId: '',
+		tags: [],
+		sort: 'DATE' as const,
+		dir: 'desc' as const,
+		tagQ: ''
+	},
 	documents: [],
+	total: 0,
+	matchData: {} as Record<
+		string,
+		import('$lib/generated/api').components['schemas']['SearchMatchData']
+	>,
 	incompleteDocs: [],
 	recentDocs: [],
 	stats: null,