fix: improve presentation evidence and architecture figure

web/apps/console/src/presentation/scenes/ArchitectureScene.test.tsx

@@ -81,6 +81,12 @@ describe("ArchitectureScene", () => {
     expect(onFocusPathChange).toHaveBeenCalledWith(["runtime-providers"]);
   });
 
+  it("uses the wide figure presentation for the defense architecture scene", () => {
+    renderArchitecture({ focusPath: [] });
+    expect(screen.getByRole("group", { name: /architecture/i })).toHaveAttribute("data-figure-size", "wide");
+    expect(screen.getByTestId("architecture-scene")).toBeInTheDocument();
+  });
+
   it("renders a directly linked nested provider view", () => {
     renderArchitecture({
       focusPath: ["runtime-providers", "configured-providers"],

web/apps/console/src/presentation/scenes/ArchitectureScene.tsx

@@ -20,7 +20,7 @@ export const ArchitectureScene = ({
   onFocusPathChange,
   motionDisabled,
 }: ArchitectureSceneProps) => (
-  <>
+  <section className="architecture-scene" data-testid="architecture-scene">
     <StageCaption eyebrow={`Act II · ${scene.claimClass}`} title={scene.title}>
       <p>{beat.caption}</p>
     </StageCaption>
@@ -30,6 +30,7 @@ export const ArchitectureScene = ({
       activeNodeId={activeNodeId}
       onFocusPathChange={onFocusPathChange}
       motionDisabled={motionDisabled}
+      size="wide"
     />
-  </>
+  </section>
 );