fix: address presentation review findings

web/apps/console/src/presentation/authoring/AgentHandoffScene.tsx

@@ -0,0 +1,50 @@
+import { useMemo } from "react";
+import { agentTextMessage } from "../../demo/agent/events.js";
+import { AssistantOperatorThread } from "../chat/AssistantOperatorThread.js";
+import { projectPreparedAuthoring } from "./authoring-recording.js";
+import type { SceneBeatDefinition, SceneDefinition } from "../storyboard.js";
+
+type AgentHandoffSceneProps = {
+  readonly scene: SceneDefinition;
+  readonly beat: SceneBeatDefinition;
+};
+
+const requestMessages = [
+  agentTextMessage("handoff-user-1", "user", "We need to prepare a report workflow for the lda_report scenario. Use the available CLI tools to inspect, author, and deploy it."),
+  agentTextMessage("handoff-assistant-1", "assistant", "Let me inspect the available sources, capabilities, and schemas first."),
+];
+
+/**
+ * Full-screen prepared-authoring conversation for Scene 8.
+ *
+ * The request beat shows the operator asking the agent to prepare a report;
+ * the handoff beat reveals the full completed conversation with all phases.
+ * Neither run actions nor approval actions are passed because this is a
+ * prepared recording, not a live agent interaction.
+ */
+export const AgentHandoffScene = ({ beat }: AgentHandoffSceneProps) => {
+  const messages = useMemo(() => {
+    if (beat.id === "handoff") {
+      const recording = projectPreparedAuthoring();
+      const result: ReturnType<typeof agentTextMessage>[] = [];
+      let index = 0;
+      for (const phase of recording) {
+        for (const turn of phase.conversation) {
+          result.push(
+            agentTextMessage(`msg-${index++}`, turn.role, turn.text),
+          );
+        }
+      }
+      return result;
+    }
+    return requestMessages;
+  }, [beat.id]);
+
+  return (
+    <AssistantOperatorThread
+      mode="full"
+      messages={messages}
+      ariaLabel="prepared authoring conversation"
+    />
+  );
+};