chore: timetable warnings; locale test

src/stores/global.store.ts

@@ -10,9 +10,10 @@ export const useGlobalStore = defineStore('global', {
 
     selectedActiveTrain: null as ActiveTrain | null,
     selectedStorageTimetable: null as TimetableData | null,
-
     storageTimetables: {} as Record<number, TimetableData>,
 
+    timetableWarnings: [] as string[],
+
     generatedDate: null as Date | null,
     generatedMs: 0,
   }),