fix: midnight roll (#484)

* refactor: extract utilities and types

* refactor: extract and simplify progress bar logic

* refactor: duration validation handles midnight

* fix: prevent stale event loader

* refactor: consider next event in timer invalidation

* refactor: reload changes on changed roll target

* refactor: timer load accounts for midnight

* fix: issues with midnight on roll

* refactor: prevent stale secondary event

packages/utils/src/timeConstants.ts

@@ -1 +1,9 @@
-export const mts = 1000; // millis to seconds
+/**
+ * Milliseconds in a second
+ */
+export const mts = 1000;
+
+/**
+ * Milliseconds in a day
+ */
+export const dayInMs = 86400000;