feat(labs): delete a biomarker together with its values

Deleting a biomarker now removes its recorded values in the same
userId-narrowed transaction instead of unlinking them via the SetNull
FK. Removing a marker is a deliberate "drop this and its history"
action, so leaving orphaned, unlinked readings behind was surprising.

Update the delete-confirmation copy in all six locales to state that
the values are removed too.

messages/de.json

@@ -6944,7 +6944,7 @@
       "deletedToast": "Biomarker gelöscht",
       "deleteError": "Biomarker konnte nicht gelöscht werden",
       "deleteConfirmTitle": "Biomarker löschen?",
-      "deleteConfirmDescription": "Die Definition wird entfernt. Bestehende Werte bleiben erhalten, aber ohne Verknüpfung.",
+      "deleteConfirmDescription": "Der Biomarker und alle erfassten Werte werden dauerhaft gelöscht. Dies kann nicht rückgängig gemacht werden.",
       "emptyTitle": "Noch keine Biomarker",
       "emptyDescription": "Lege Marker wie LDL oder HbA1c an, um Werte zu erfassen.",
       "loadError": "Biomarker konnten nicht geladen werden",

messages/en.json

@@ -6944,7 +6944,7 @@
       "deletedToast": "Biomarker deleted",
       "deleteError": "Could not delete the biomarker",
       "deleteConfirmTitle": "Delete biomarker?",
-      "deleteConfirmDescription": "The definition is removed. Existing readings are kept but unlinked.",
+      "deleteConfirmDescription": "The biomarker and all of its recorded values are permanently deleted. This cannot be undone.",
       "emptyTitle": "No biomarkers yet",
       "emptyDescription": "Define markers like LDL or HbA1c to record values against them.",
       "loadError": "Could not load biomarkers",

messages/es.json

@@ -6944,7 +6944,7 @@
       "deletedToast": "Biomarcador eliminado",
       "deleteError": "No se pudo eliminar el biomarcador",
       "deleteConfirmTitle": "¿Eliminar biomarcador?",
-      "deleteConfirmDescription": "Se elimina la definición. Las mediciones existentes se conservan pero se desvinculan.",
+      "deleteConfirmDescription": "El biomarcador y todos sus valores registrados se eliminan de forma permanente. Esta acción no se puede deshacer.",
       "emptyTitle": "Aún no hay biomarcadores",
       "emptyDescription": "Define marcadores como LDL o HbA1c para registrar valores.",
       "loadError": "No se pudieron cargar los biomarcadores",

messages/fr.json

@@ -6944,7 +6944,7 @@
       "deletedToast": "Biomarqueur supprimé",
       "deleteError": "Impossible de supprimer le biomarqueur",
       "deleteConfirmTitle": "Supprimer le biomarqueur ?",
-      "deleteConfirmDescription": "La définition est supprimée. Les mesures existantes sont conservées mais dissociées.",
+      "deleteConfirmDescription": "Le biomarqueur et toutes ses valeurs enregistrées sont définitivement supprimés. Cette action est irréversible.",
       "emptyTitle": "Aucun biomarqueur pour l'instant",
       "emptyDescription": "Définissez des marqueurs comme LDL ou HbA1c pour enregistrer des valeurs.",
       "loadError": "Impossible de charger les biomarqueurs",

messages/it.json

@@ -6944,7 +6944,7 @@
       "deletedToast": "Biomarcatore eliminato",
       "deleteError": "Impossibile eliminare il biomarcatore",
       "deleteConfirmTitle": "Eliminare il biomarcatore?",
-      "deleteConfirmDescription": "La definizione viene rimossa. Le misurazioni esistenti restano ma vengono scollegate.",
+      "deleteConfirmDescription": "Il biomarcatore e tutti i suoi valori registrati vengono eliminati definitivamente. L'operazione non è reversibile.",
       "emptyTitle": "Ancora nessun biomarcatore",
       "emptyDescription": "Definisci marcatori come LDL o HbA1c per registrare i valori.",
       "loadError": "Impossibile caricare i biomarcatori",

messages/pl.json

@@ -6944,7 +6944,7 @@
       "deletedToast": "Biomarker usunięty",
       "deleteError": "Nie udało się usunąć biomarkera",
       "deleteConfirmTitle": "Usunąć biomarker?",
-      "deleteConfirmDescription": "Definicja zostanie usunięta. Istniejące pomiary pozostaną, ale bez powiązania.",
+      "deleteConfirmDescription": "Biomarker i wszystkie jego zapisane wartości zostaną trwale usunięte. Tej operacji nie można cofnąć.",
       "emptyTitle": "Brak biomarkerów",
       "emptyDescription": "Zdefiniuj markery, takie jak LDL lub HbA1c, aby zapisywać wartości.",
       "loadError": "Nie udało się wczytać biomarkerów",