many changes

src/lib/stores/nextEpisode.ts

@@ -5,6 +5,8 @@
  * The backend handles all countdown logic and decisions.
  *
  * The backend emits ShowNextEpisodePopup and CountdownTick events to update this store.
+ *
+ * TRACES: UR-023 | DR-026, DR-047, DR-048
  */
 
 import { writable, derived } from "svelte/store";