feat(chronik): rename route and heading to Aktivitäten

/chronik → /aktivitaeten; heading updated in all three locales.
Component folder (lib/components/chronik/) stays unchanged — internal
implementation detail, not user-facing.

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

frontend/messages/de.json

@@ -758,7 +758,7 @@
 
 	"dropzone_release": "Loslassen zum Hochladen",
 
-	"chronik_page_title": "Chronik",
+	"chronik_page_title": "Aktivitäten",
 	"chronik_for_you_caption": "Für dich",
 	"chronik_for_you_count": "{count} neu",
 	"chronik_mark_read_aria": "Als gelesen markieren",
@@ -790,10 +790,10 @@
 	"chronik_empty_first_run_body": "Sobald jemand aus der Familie Dokumente hochlädt oder transkribiert, erscheint hier die Aktivität.",
 	"chronik_empty_filter_title": "Nichts in dieser Ansicht",
 	"chronik_empty_filter_body": "In diesem Filter gibt es keine Einträge.",
-	"chronik_error_title": "Die Chronik konnte nicht geladen werden.",
+	"chronik_error_title": "Die Aktivitäten konnten nicht geladen werden.",
 	"chronik_error_retry": "Erneut versuchen",
 	"chronik_load_more": "Mehr laden",
 	"chronik_loading": "Lädt …",
 	"chronik_load_more_announcement": "{count} weitere Einträge geladen",
-	"chronik_view_all": "Zur Chronik →"
+	"chronik_view_all": "Alle Aktivitäten →"
 }

frontend/messages/en.json

@@ -758,7 +758,7 @@
 
 	"dropzone_release": "Release to upload",
 
-	"chronik_page_title": "Chronicle",
+	"chronik_page_title": "Activity",
 	"chronik_for_you_caption": "For you",
 	"chronik_for_you_count": "{count} new",
 	"chronik_mark_read_aria": "Mark as read",
@@ -790,10 +790,10 @@
 	"chronik_empty_first_run_body": "As soon as someone in the family uploads or transcribes a document, the activity will show up here.",
 	"chronik_empty_filter_title": "Nothing in this view",
 	"chronik_empty_filter_body": "There are no entries for this filter.",
-	"chronik_error_title": "The chronicle could not be loaded.",
+	"chronik_error_title": "Activity could not be loaded.",
 	"chronik_error_retry": "Try again",
 	"chronik_load_more": "Load more",
 	"chronik_loading": "Loading …",
 	"chronik_load_more_announcement": "{count} more entries loaded",
-	"chronik_view_all": "Open chronicle →"
+	"chronik_view_all": "All activity →"
 }

frontend/messages/es.json

@@ -758,7 +758,7 @@
 
 	"dropzone_release": "Suelta para subir",
 
-	"chronik_page_title": "Crónica",
+	"chronik_page_title": "Actividades",
 	"chronik_for_you_caption": "Para ti",
 	"chronik_for_you_count": "{count} nuevas",
 	"chronik_mark_read_aria": "Marcar como leído",
@@ -790,10 +790,10 @@
 	"chronik_empty_first_run_body": "En cuanto alguien de la familia suba o transcriba un documento, la actividad aparecerá aquí.",
 	"chronik_empty_filter_title": "Nada en esta vista",
 	"chronik_empty_filter_body": "No hay entradas para este filtro.",
-	"chronik_error_title": "No se pudo cargar la crónica.",
+	"chronik_error_title": "No se pudieron cargar las actividades.",
 	"chronik_error_retry": "Reintentar",
 	"chronik_load_more": "Cargar más",
 	"chronik_loading": "Cargando …",
 	"chronik_load_more_announcement": "{count} entradas más cargadas",
-	"chronik_view_all": "Abrir crónica →"
+	"chronik_view_all": "Todas las actividades →"
 }