From ce1b4c748e1118689cfa0ba99019163a2802cb98 Mon Sep 17 00:00:00 2001
From: Marcel <marcel@familienarchiv>
Date: Sat, 13 Jun 2026 21:30:02 +0200
Subject: [PATCH] test(i18n): pin localized timeline layer/derived labels per
 locale

REQ-024 was updated (issue #779) to require localized sr-only/aria
labels instead of German-only. Pin the de/en/es values so they cannot
silently drift back to the German source strings.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---
 frontend/src/lib/messages.spec.ts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/frontend/src/lib/messages.spec.ts b/frontend/src/lib/messages.spec.ts
index e6d0b96c..95338e43 100644
--- a/frontend/src/lib/messages.spec.ts
+++ b/frontend/src/lib/messages.spec.ts
@@ -40,4 +40,32 @@ describe('message key parity', () => {
 		expect(es).toHaveProperty('layout_menu_open');
 		expect(es).toHaveProperty('layout_menu_close');
 	});
+
+	// REQ-024: the timeline layer/life-event labels feed sr-only / aria text, so
+	// they are localized per locale (the original German-only MVP decision was
+	// reversed for accessibility). Pin the values so en/es can never silently
+	// drift back to the German source strings.
+	it('timeline layer/derived labels are localized per locale (REQ-024)', () => {
+		expect(de).toMatchObject({
+			timeline_layer_world: 'Weltgeschehen',
+			timeline_layer_family: 'Familie',
+			timeline_derived_birth: 'Geburt',
+			timeline_derived_death: 'Tod',
+			timeline_derived_marriage: 'Heirat'
+		});
+		expect(en).toMatchObject({
+			timeline_layer_world: 'World events',
+			timeline_layer_family: 'Family',
+			timeline_derived_birth: 'Birth',
+			timeline_derived_death: 'Death',
+			timeline_derived_marriage: 'Marriage'
+		});
+		expect(es).toMatchObject({
+			timeline_layer_world: 'Acontecimientos mundiales',
+			timeline_layer_family: 'Familia',
+			timeline_derived_birth: 'Nacimiento',
+			timeline_derived_death: 'Fallecimiento',
+			timeline_derived_marriage: 'Matrimonio'
+		});
+	});
 });