feat: host toasts and alerts in the shell

crates/core/Cargo.toml

@@ -65,7 +65,7 @@ input = ["button"]
 clipboard = ["button"]
 popover = []
 scroll_area = ["scrollbar"]
-scrollbar = []
+scrollbar = ["scroll_area"]
 segmented = []
 separator = []
 spinner = []

crates/core/src/alert.rs

@@ -338,6 +338,7 @@ impl RenderOnce for AlertsView {
                     div()
                         .relative()
                         .w_full()
+                        .debug_selector(|| "alert-entry".to_string())
                         .child(entry.alert.clone())
                         .with_animation(
                             ("alert-enter", id),

crates/core/src/toast.rs

@@ -283,6 +283,7 @@ impl ToastEntry {
 
         div()
             .id(("toast", id))
+            .debug_selector(|| "toast-pill".to_string())
             .role(Role::Alert)
             .aria_label(toast.message.clone())
             .max_w(TOAST_MAX_WIDTH)