[V1] Fixed Downloader Pause/Clear & Began Revision #1 Bug Fixes

src/store/index.ts

@@ -59,6 +59,8 @@ export interface Settings {
   keybinds: Keybinds;
   storageLimitGb: number | null;
   folders: Folder[];
+  /** Debounce delay (ms) applied to the reader's scroll/page-change handler. 0 = off. */
+  readerDebounceMs: number;
 }
 
 export const DEFAULT_SETTINGS: Settings = {
@@ -87,6 +89,7 @@ export const DEFAULT_SETTINGS: Settings = {
   keybinds: DEFAULT_KEYBINDS,
   storageLimitGb: null,
   folders: [],
+  readerDebounceMs: 120,
 };
 
 interface Store {
@@ -166,12 +169,10 @@ export const useStore = create<Store>()(
         set((s) => {
           const existing = s.history.findIndex((h) => h.chapterId === entry.chapterId);
           if (existing === 0) {
-            // Same chapter is already at the top — just update pageNumber and readAt in place
             const updated = [...s.history];
             updated[0] = { ...updated[0], pageNumber: entry.pageNumber, readAt: entry.readAt };
             return { history: updated };
           }
-          // New chapter or chapter not at top — remove old entry, prepend fresh
           const deduped = s.history.filter((h) => h.chapterId !== entry.chapterId);
           return { history: [entry, ...deduped].slice(0, 300) };
         }),