Chore: Restructure Repository for SvelteKit

_old/features/series/lib/mangaPrefs.ts

@@ -0,0 +1,17 @@
+import { store, updateSettings } from "@store/state.svelte";
+import { DEFAULT_MANGA_PREFS }   from "@store/state.svelte";
+import type { MangaPrefs }       from "@store/state.svelte";
+
+export function getPref<K extends keyof MangaPrefs>(mangaId: number, key: K): MangaPrefs[K] {
+  const prefs = store.settings.mangaPrefs?.[mangaId] ?? {};
+  return (prefs[key] ?? DEFAULT_MANGA_PREFS[key]) as MangaPrefs[K];
+}
+
+export function setPref<K extends keyof MangaPrefs>(mangaId: number, key: K, value: MangaPrefs[K]) {
+  updateSettings({
+    mangaPrefs: {
+      ...store.settings.mangaPrefs,
+      [mangaId]: { ...(store.settings.mangaPrefs?.[mangaId] ?? {}), [key]: value },
+    },
+  });
+}