feat: model demo climax beats

web/apps/console/src/presentation/demo-workflow-model.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import type { DemoEvent } from "../demo/timeline/models.js";
 import { loadCanonicalDemoRecording } from "../demo/timeline/replay.js";
 import {
+  demoBeatLensForBeat,
   graphExecutionForBeat,
   projectInterruptContract,
   projectOperationPresentation,
@@ -70,3 +71,48 @@ describe("demo workflow presentation model", () => {
     });
   });
 });
+
+describe("demo beat lens", () => {
+  it("defines a product-story phase for every Scene 9 and Scene 10 beat", () => {
+    const beatIds = ["operation", "graph", "interrupt", "approval", "resume", "output", "trace"];
+
+    expect(beatIds.map((beatId) => demoBeatLensForBeat(beatId).phase)).toEqual([
+      "agent",
+      "run",
+      "interrupt",
+      "interrupt",
+      "resume",
+      "evidence",
+      "evidence",
+    ]);
+  });
+
+  it("uses stable audience-facing labels for the demo climax", () => {
+    expect(demoBeatLensForBeat("operation")).toMatchObject({
+      eyebrow: "Agent handoff",
+      headline: "Request becomes a workflow run",
+      proofLabel: "workflow.runs.start",
+    });
+    expect(demoBeatLensForBeat("approval")).toMatchObject({
+      eyebrow: "Typed human boundary",
+      headline: "The run waits for an explicit resume decision",
+      proofLabel: "issue_review",
+    });
+    expect(demoBeatLensForBeat("trace")).toMatchObject({
+      eyebrow: "Evidence remains",
+      headline: "The result can still be inspected after the demo",
+      proofLabel: "trace frames",
+    });
+  });
+
+  it("keeps graph execution continuity across the interrupt and resume beats", () => {
+    expect(graphExecutionForBeat("approval")).toEqual(graphExecutionForBeat("interrupt"));
+    expect(graphExecutionForBeat("resume")).toMatchObject({
+      completedNodeIds: ["read_docs", "build_report", "review_issues"],
+      currentNodeId: "create_issues",
+    });
+    expect(graphExecutionForBeat("trace")).toMatchObject({
+      currentNodeId: "end_completed",
+    });
+  });
+});