v0.33.1

src/admin/preferences_columns.rs

@@ -87,3 +87,61 @@ static DASHBOARD_WIDGETS: std::sync::LazyLock<Vec<DashboardWidgetDefinition>> =
         serde_json::from_str(include_str!("web/dashboard-widgets.json"))
             .expect("invalid bundled Overview Cards registry")
     });
+
+// A single operator-curated factory preset feeds both the Rust API defaults
+// and the authenticated dashboard. New registry widgets remain opt-in unless
+// explicitly added to the preset; saved user preferences are never rewritten.
+#[derive(serde::Deserialize)]
+#[serde(deny_unknown_fields)]
+struct DashboardDefaultPreset {
+    dashboard_widgets: Vec<String>,
+    dashboard_hidden_widgets: Vec<String>,
+    dashboard_density: String,
+    overview_samples: u16,
+}
+static DASHBOARD_DEFAULT_PRESET: std::sync::LazyLock<DashboardDefaultPreset> =
+    std::sync::LazyLock::new(|| {
+        let preset: DashboardDefaultPreset =
+            serde_json::from_str(include_str!("web/dashboard-defaults.json"))
+                .expect("invalid factory Overview layout preset");
+        let registry = DASHBOARD_WIDGETS
+            .iter()
+            .map(|w| w.id.as_str())
+            .collect::<std::collections::HashSet<_>>();
+        let order = preset
+            .dashboard_widgets
+            .iter()
+            .map(String::as_str)
+            .collect::<std::collections::HashSet<_>>();
+        let hidden = preset
+            .dashboard_hidden_widgets
+            .iter()
+            .map(String::as_str)
+            .collect::<std::collections::HashSet<_>>();
+        assert_eq!(
+            order.len(),
+            preset.dashboard_widgets.len(),
+            "duplicate factory widget ID"
+        );
+        assert_eq!(
+            hidden.len(),
+            preset.dashboard_hidden_widgets.len(),
+            "duplicate hidden factory widget ID"
+        );
+        assert!(
+            order.is_subset(&registry) && hidden.is_subset(&order),
+            "unknown widget in factory layout"
+        );
+        assert!(
+            matches!(
+                preset.dashboard_density.as_str(),
+                "normal" | "compact" | "ultra"
+            ),
+            "invalid factory density"
+        );
+        assert!(
+            matches!(preset.overview_samples, 60 | 120 | 300 | 600),
+            "invalid factory sample count"
+        );
+        preset
+    });