feat: initial commit for landing rotating clock

composables/useStory.ts

@@ -0,0 +1,3 @@
+// Shared story state: written by the scroll orchestrator, read by sections.
+export const useStory = () =>
+  useState("story", () => ({ active: 0, dir: 1, inEco: false, focus: -1, mobile: false, hover: -1, go: null as null | ((i: number) => void) }));