diff --git a/webui/src/web-components/demo/demo-framework/demo-runner.ts b/webui/src/web-components/demo/demo-framework/demo-runner.ts
index 1c9160c..b2b947a 100644
--- a/webui/src/web-components/demo/demo-framework/demo-runner.ts
+++ b/webui/src/web-components/demo/demo-framework/demo-runner.ts
@@ -90,12 +90,12 @@
     // For now, we'll maintain a registry of known demo components
     // This could be improved with build-time generation
     const knownComponents = [
-      "chat-input",
       "sketch-app-shell",
       "sketch-call-status",
       "sketch-chat-input",
       "sketch-container-status",
       "sketch-timeline",
+      "sketch-timeline-message",
       "sketch-tool-calls",
       "sketch-view-mode-select",
     ];