v0.34.12

src/admin/preferences_tests.rs

@@ -40,6 +40,20 @@ fn overview_factory_preset_matches_registry_and_operator_visibility() {
     }
     assert!(hidden.iter().all(|id| order.contains(id)));
     assert!(validate_admin_preferences(&AdminPreferences::default()).is_ok());
+    assert!(!AdminPreferences::default().chart_axes);
+}
+
+#[test]
+fn optional_chart_axes_preference_is_backward_compatible() {
+    let legacy: AdminPreferences = serde_json::from_str(r#"{"chart_style":"neon"}"#).unwrap();
+    assert!(!legacy.chart_axes);
+    let mut enabled = legacy.clone();
+    enabled.chart_axes = true;
+    assert!(validate_admin_preferences(&enabled).is_ok());
+    let stored = serde_json::to_string(&enabled).unwrap();
+    assert!(stored.contains("\"chart_axes\":true"));
+    let recovered: AdminPreferences = serde_json::from_str(&stored).unwrap();
+    assert!(recovered.chart_axes);
 }
 
 #[test]