test: harden daemon lifecycle and e2e reliability across app/cli/server

packages/app/src/utils/scroll-jank.ts

@@ -0,0 +1,16 @@
+type ScrollInvestigationEvent =
+  | "scrollEvent"
+  | "nearBottomTransition"
+  | "metricUpdate"
+  | "itemRenderCall"
+  | "wheelAttach"
+  | "wheelDetach";
+
+export function installScrollJankInvestigation(): void {}
+
+export function markScrollInvestigationRender(_componentId: string): void {}
+
+export function markScrollInvestigationEvent(
+  _componentId: string,
+  _event: ScrollInvestigationEvent
+): void {}