Feat: Backtracing + NavPage Store

src/core/util.ts

@@ -31,13 +31,13 @@ export function formatReadTime(m: number): string {
 
 const STRICT_TAGS: string[] = [
   "adult", "mature", "hentai", "ecchi", "erotic", "pornograph",
-  "18+", "smut", "lemon", "explicit", "sexual violence",
+  "18+", "smut", "explicit", "sexual violence",
   "gore", "guro", "graphic violence", "torture", "body horror",
 ];
 
 const MODERATE_TAGS: string[] = [
   "adult", "mature", "hentai", "ecchi", "erotic", "pornograph",
-  "18+", "smut", "lemon", "explicit", "sexual violence",
+  "18+", "smut", "explicit", "sexual violence",
 ];
 
 type ContentFilterSettings = Pick<
@@ -53,7 +53,16 @@ function blockedTagsForSettings(settings: ContentFilterSettings): string[] {
 
 function genreMatchesBlocklist(genre: string[], blockedTags: string[]): boolean {
   if (!blockedTags.length) return false;
-  return genre.some(g => blockedTags.some(tag => g.toLowerCase().trim().includes(tag)));
+  return genre.some(g => {
+    const norm = g.toLowerCase().trim();
+    return blockedTags.some(tag => {
+      const idx = norm.indexOf(tag);
+      if (idx === -1) return false;
+      const before = idx === 0 || /\W/.test(norm[idx - 1]);
+      const after  = idx + tag.length === norm.length || /\W/.test(norm[idx + tag.length]);
+      return before && after;
+    });
+  });
 }
 
 export function shouldHideNsfw(
@@ -69,10 +78,10 @@ export function shouldHideNsfw(
   if (srcId && blocked.includes(srcId)) return true;
 
   const sourceAllowed = !!(srcId && allowed.includes(srcId));
-  const blockedTags   = blockedTagsForSettings(settings);
 
-  if (!sourceAllowed && manga.source?.isNsfw && settings.contentLevel === "strict") return true;
-  return genreMatchesBlocklist(manga.genre ?? [], blockedTags);
+  if (!sourceAllowed && manga.source?.isNsfw) return true;
+
+  return genreMatchesBlocklist(manga.genre ?? [], blockedTagsForSettings(settings));
 }
 
 export function shouldHideSource(
@@ -83,10 +92,10 @@ export function shouldHideSource(
 
   if (settings.sourceOverridesEnabled) {
     if ((settings.nsfwBlockedSourceIds ?? []).includes(source.id)) return true;
-    if ((settings.nsfwAllowedSourceIds ?? []).includes(source.id)) return settings.contentLevel === "strict";
+    if ((settings.nsfwAllowedSourceIds ?? []).includes(source.id)) return false;
   }
 
-  return source.isNsfw && settings.contentLevel === "strict";
+  return source.isNsfw;
 }
 
 export function dedupeSourcesByLang(

src/features/discover/components/KeywordTab.svelte

@@ -76,7 +76,7 @@
     let filtered = allSources;
     if (kw_selectedLangs.size > 0)
       filtered = filtered.filter((s) => kw_selectedLangs.has(s.lang));
-    if (!store.settings.showNsfw)
+    if (store.settings.contentLevel !== "unrestricted")
       filtered = filtered.filter((s) => !shouldHideSource(s, store.settings));
     return filtered;
   }

src/features/discover/components/Search.svelte

@@ -8,7 +8,7 @@
   import { deprioritizeQueue }  from "@core/cache/imageCache";
   import { dedupeSourcesByLang }from "@core/algorithms/filter";
   import { shouldHideNsfw }     from "@core/util";
-  import { store, setSearchPrefill, setPreviewManga } from "@store/state.svelte";
+  import { store, setSearchPrefill, setPreviewManga, setSearchQuery } from "@store/state.svelte";
   import {
     toCachedManga,
     type CachedManga,
@@ -288,6 +288,8 @@
       popularResults={popular_results}
       popularLoading={popular_loading}
       {sourceCache}
+      query={store.searchQuery}
+      onQueryChange={setSearchQuery}
       onPrefillConsumed={() => (pendingPrefill = "")}
       onPreview={setPreviewManga}
     />

src/features/library/components/Library.svelte

@@ -18,6 +18,7 @@
     store, setCategories, setLibraryUpdates, addToast,
     setTabSort, toggleTabSortDir, setTabStatus, toggleTabFilter, clearTabFilters,
   } from "../store/libraryState.svelte";
+  import { saveScroll, getScroll } from "@store/state.svelte";
   import type { LibrarySortMode, LibrarySortDir, LibraryStatusFilter, LibraryContentFilter, LibraryUpdateEntry } from "@store/state.svelte";
   import type { Manga, Category, Chapter } from "@types";
   import { checkAndMarkCompleted as storeCheckAndMarkCompleted, updateSettings } from "@store/state.svelte";
@@ -171,7 +172,18 @@
 
   $effect(() => { filtered; untrack(() => { renderVisible = paginator.reset(); }); });
   $effect(() => { retryCount; loading = true; error = null; if (retryCount > 0) cache.clear(CACHE_KEYS.LIBRARY); untrack(() => loadData()); });
-  $effect(() => { if (scrollEl) scrollEl.scrollTo({ top: 0 }); });
+  let prevTab = tab;
+  $effect(() => {
+    const nextTab = tab;
+    if (scrollEl && nextTab !== prevTab) {
+      saveScroll(`library:${prevTab}`, scrollEl.scrollTop);
+      const saved = getScroll(`library:${nextTab}`);
+      untrack(() => { scrollEl.scrollTo({ top: saved }); });
+      prevTab = nextTab;
+    } else if (scrollEl && nextTab === prevTab) {
+      scrollEl.scrollTo({ top: 0 });
+    }
+  });
   $effect(() => {
     const f = tab;
     if (f === "library" || f === "downloaded") return;

src/features/series/components/ChapterList.svelte

@@ -14,6 +14,7 @@
     enqueueing:      Set<number>;
     chapterPage:     number;
     totalPages:      number;
+    scrollEl?:       HTMLDivElement | null;
     onOpen:          (ch: Chapter, inProgress: boolean) => void;
     onToggleSelect:  (id: number, e: MouseEvent | KeyboardEvent) => void;
     onEnqueue:       (ch: Chapter, e: MouseEvent) => void;
@@ -25,6 +26,7 @@
   let {
     pageChapters, sortedChapters, viewMode, loadingChapters,
     selectedIds, enqueueing, chapterPage, totalPages,
+    scrollEl = $bindable(null),
     onOpen, onToggleSelect, onEnqueue, onDeleteDownload,
     onPageChange, buildCtxItems,
   }: Props = $props();
@@ -48,7 +50,7 @@
   }
 </script>
 
-<div class={viewMode === "grid" ? "ch-grid" : "ch-list"}>
+<div class={viewMode === "grid" ? "ch-grid" : "ch-list"} bind:this={scrollEl}>
   {#if loadingChapters && sortedChapters.length === 0}
     {#if viewMode === "grid"}
       {#each Array(24) as _}<div class="grid-cell-skeleton skeleton"></div>{/each}

src/features/series/components/SeriesDetail.svelte

@@ -17,6 +17,7 @@
     addBookmark, acknowledgeUpdate,
     checkAndMarkCompleted as storeCheckAndMarkCompleted,
     clearMarkersForManga,
+    saveScroll, getScroll,
   } from "@store/state.svelte";
   import { trackingState } from "@features/tracking/store/trackingState.svelte";
   import type { MangaPrefs } from "@store/state.svelte";
@@ -583,6 +584,20 @@
     } catch (e) { console.error(e); }
   }
 
+  let chapterListEl: HTMLDivElement | null = $state(null);
+  let prevMangaId: number | null = null;
+
+  $effect(() => {
+    const mangaId = store.activeManga?.id ?? null;
+    if (mangaId === prevMangaId) return;
+    if (chapterListEl && prevMangaId !== null) saveScroll(`series:${prevMangaId}`, chapterListEl.scrollTop);
+    prevMangaId = mangaId;
+    if (chapterListEl && mangaId !== null) {
+      const saved = getScroll(`series:${mangaId}`);
+      chapterListEl.scrollTo({ top: saved });
+    }
+  });
+
   onMount(() => () => { mangaAbort?.abort(); chapterAbort?.abort(); });
 </script>
 
@@ -665,6 +680,7 @@
       {enqueueing}
       {chapterPage}
       {totalPages}
+      bind:scrollEl={chapterListEl}
       onOpen={openReaderWithAhead}
       onToggleSelect={toggleSelect}
       onEnqueue={enqueue}

src/features/tracking/components/TrackingPreview.svelte

@@ -115,7 +115,7 @@
   function openManga() {
     if (!record.manga) return;
     setActiveManga(record.manga as any);
-    setNavPage("library");
+    setNavPage(store.navPage);
     onClose();
   }
 

src/shared/chrome/Sidebar.svelte

@@ -25,6 +25,7 @@
     store.activeManga  = null;
     store.activeSource = null;
     store.genreFilter  = "";
+    store.searchQuery  = "";
   }
 
   function goHome() {
@@ -33,6 +34,7 @@
     store.activeManga   = null;
     store.libraryFilter = "library";
     store.genreFilter   = "";
+    store.searchQuery  = "";
   }
 </script>
 
@@ -91,4 +93,4 @@
   .settings-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
   .settings-btn.anims { transition: color var(--t-base), background var(--t-base), transform var(--t-slow); }
   .settings-btn.anims:hover { transform: rotate(30deg); }
-</style>
+</style>

src/shared/manga/MangaPreview.svelte

@@ -42,6 +42,8 @@
   let loadingLinkList          = $state(false);
   let coverPickerOpen          = $state(false);
 
+  let originNavPage = store.navPage;
+
   const linkedIds = $derived(
     store.previewManga ? (store.settings.mangaLinks?.[store.previewManga.id] ?? []) : [],
   );
@@ -152,6 +154,7 @@
     const shouldAutoLink = store.settings.autoLinkOnOpen;
     const focal = store.previewManga;
     if (focal) {
+      originNavPage = store.navPage;
       load(focal.id);
       loadCategories(focal.id);
       if (shouldAutoLink) {
@@ -256,7 +259,7 @@
   function openSeriesDetail() {
     if (!displayManga) return;
     setActiveManga(displayManga);
-    setNavPage("library");
+    setNavPage(originNavPage);
     close();
   }
 

src/store/app.svelte.ts

@@ -3,20 +3,32 @@ export type NavPage =
   | "downloads" | "extensions" | "history" | "search" | "tracking";
 
 class AppStore {
-  navPage:      NavPage = $state("home");
-  settingsOpen: boolean = $state(false);
-  searchPrefill: string = $state("");
-  genreFilter:   string = $state("");
+  navPage:       NavPage = $state("home");
+  settingsOpen:  boolean = $state(false);
+  searchPrefill: string  = $state("");
+  searchQuery:   string  = $state("");
+  genreFilter:   string  = $state("");
+  scrollPositions: Map<string, number> = $state(new Map());
 
-  setNavPage(next: NavPage)       { this.navPage       = next; }
-  setSettingsOpen(next: boolean)  { this.settingsOpen  = next; }
-  setSearchPrefill(next: string)  { this.searchPrefill = next; }
-  setGenreFilter(next: string)    { this.genreFilter   = next; }
+  setNavPage(next: NavPage)        { this.navPage       = next; }
+  setSettingsOpen(next: boolean)   { this.settingsOpen  = next; }
+  setSearchPrefill(next: string)   { this.searchPrefill = next; }
+  setSearchQuery(next: string)     { this.searchQuery   = next; }
+  setGenreFilter(next: string)     { this.genreFilter   = next; }
+  saveScroll(key: string, top: number) {
+    const m = new Map(this.scrollPositions);
+    m.set(key, top);
+    this.scrollPositions = m;
+  }
+  getScroll(key: string): number { return this.scrollPositions.get(key) ?? 0; }
 }
 
 export const app = new AppStore();
 
-export function setNavPage(next: NavPage)      { app.setNavPage(next); }
-export function setSettingsOpen(next: boolean) { app.setSettingsOpen(next); }
-export function setSearchPrefill(next: string) { app.setSearchPrefill(next); }
-export function setGenreFilter(next: string)   { app.setGenreFilter(next); }
+export function setNavPage(next: NavPage)          { app.setNavPage(next); }
+export function setSettingsOpen(next: boolean)     { app.setSettingsOpen(next); }
+export function setSearchPrefill(next: string)     { app.setSearchPrefill(next); }
+export function setSearchQuery(next: string)       { app.setSearchQuery(next); }
+export function setGenreFilter(next: string)       { app.setGenreFilter(next); }
+export function saveScroll(key: string, top: number) { app.saveScroll(key, top); }
+export function getScroll(key: string): number     { return app.getScroll(key); }

src/store/state.svelte.ts

@@ -43,7 +43,6 @@ function mergeSettings(saved: any): Settings {
     mangaPrefs:           saved?.settings?.mangaPrefs           ?? {},
     customThemes:         saved?.settings?.customThemes         ?? [],
     hiddenCategoryIds:    saved?.settings?.hiddenCategoryIds    ?? [],
-    nsfwFilteredTags:     saved?.settings?.nsfwFilteredTags     ?? DEFAULT_SETTINGS.nsfwFilteredTags,
     nsfwAllowedSourceIds: saved?.settings?.nsfwAllowedSourceIds ?? [],
     nsfwBlockedSourceIds: saved?.settings?.nsfwBlockedSourceIds ?? [],
     libraryTabSort:       saved?.settings?.libraryTabSort       ?? {},
@@ -94,6 +93,8 @@ class Store {
   set settingsOpen(v)   { app.setSettingsOpen(v); }
   get searchPrefill()   { return app.searchPrefill; }
   set searchPrefill(v)  { app.setSearchPrefill(v); }
+  get searchQuery()     { return app.searchQuery; }
+  set searchQuery(v)    { app.setSearchQuery(v); }
   get genreFilter()     { return app.genreFilter; }
   set genreFilter(v)    { app.setGenreFilter(v); }
 
@@ -401,4 +402,4 @@ export async function checkAndMarkCompleted(
 ): Promise<void> { return store.checkAndMarkCompleted(mangaId, chaps, categories, gqlFn, UPDATE_MANGA_CATEGORIES, UPDATE_MANGA, mangaStatus); }
 
 export { addToast, dismissToast, setActiveDownloads } from "./notifications.svelte";
-export { setNavPage, setSettingsOpen, setSearchPrefill, setGenreFilter } from "./app.svelte";
+export { setNavPage, setSettingsOpen, setSearchPrefill, setSearchQuery, setGenreFilter, saveScroll, getScroll } from "./app.svelte";