fix: ai preferences crashed and deleted stuff in preferences

assets/css/app.css

@@ -3,6 +3,7 @@
 @source "../css";
 @source "../js";
 @source "../../lib/bds/desktop";
+@source "../../deps/live_toast/lib";
 
 @import "./tokens.css";
 @import "./shell.css";

assets/css/overlays.css

@@ -377,3 +377,8 @@
   font: inherit;
 }
 
+
+/* Alert modal (errors) — reuses .confirm-delete-modal with a tone accent. */
+.alert-modal-error {
+  border-top: 3px solid #ff6b6b;
+}