refactor: remove finishedAt from runtime data (#1716)

packages/types/src/definitions/runtime/RuntimeStore.ts

@@ -12,7 +12,6 @@ export const runtimeStorePlaceholder: Readonly<RuntimeStore> = {
     duration: null, // only changes if event changes
     elapsed: null, // changes on every update
     expectedFinish: null, // change can only be initiated by user, can roll over midnight
-    finishedAt: null, // can change on update or user action
     phase: TimerPhase.None, // can change on update or user action
     playback: Playback.Stop, // change initiated by user
     secondaryTimer: null, // change on every update

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

@@ -22,9 +22,9 @@ export type TimerState = {
   elapsed: MaybeNumber;
   /** time we expect timer to finish */
   expectedFinish: MaybeNumber;
-  /** only if timer has already finished */
-  finishedAt: MaybeNumber;
+  /** phase of of the running event */
   phase: TimerPhase;
+  /** playback state of the event */
   playback: Playback;
   /** used for roll mode */
   secondaryTimer: MaybeNumber;