Over under (#771)

* feat: schedule offset

packages/types/src/definitions/runtime/Runtime.type.ts

@@ -3,4 +3,9 @@ import { MaybeNumber } from '../../utils/utils.type.js';
 export type Runtime = {
   numEvents: number;
   selectedEventIndex: MaybeNumber;
+  offset: number;
+  plannedStart: MaybeNumber;
+  actualStart: MaybeNumber;
+  plannedEnd: MaybeNumber;
+  expectedEnd: MaybeNumber;
 };