improves handling of user data

src/lib/audio/episode-details.ts

@@ -2,4 +2,3 @@ import type { EpisodeDetails } from '$lib/types';
 import { writable } from 'svelte/store';
 
 export const episode_details = writable<EpisodeDetails | null>(null);
-export type EpisodeDetailsStore = typeof episode_details;