diff --git a/app/web/src/components/pages/LibraryBody.tsx b/app/web/src/components/pages/LibraryBody.tsx
index fcd3031..c253bdb 100644
--- a/app/web/src/components/pages/LibraryBody.tsx
+++ b/app/web/src/components/pages/LibraryBody.tsx
@@ -1,12 +1,13 @@
 import type { Locale } from "@app/i18n";
 import { t } from "@app/i18n";
-import type { LibraryGroup } from "@app/types";
-import { Button, Input, toast } from "@app/ui";
+import { parseEpisodeFromFilename, type LibraryGroup } from "@app/types";
+import { Badge, Button, Input, toast } from "@app/ui";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { useEffect, useRef, useState } from "react";
 import { cn } from "~/lib/utils";
 import { go, queryParam, setQueryParams } from "~/lib/nav";
 import { createTRPCReactClient, trpc } from "~/lib/trpc";
+import { formatTrpcError } from "~/lib/trpc-error";
 
 type ViewMode = "wall" | "list";
 
@@ -78,7 +79,8 @@ function GroupDetail(props: {
     locale: Locale;
     onBack: () => void;
     onPlay: (mediaItemId: string, bangumiId: number) => void;
-    onMatch?: ((mediaItemId: string) => void) | undefined;
+    onMatch?: ((mediaItemId: string, rawName?: string) => void) | undefined;
+    onManage?: ((group: ManageTarget) => void) | undefined;
 }) {
     const { locale } = props;
     const seriesQuery = trpc.media.librarySeries.useQuery(
@@ -103,9 +105,29 @@ function GroupDetail(props: {
                         <PosterBox posterUrl={group.posterUrl} locale={locale} />
                     </div>
                     <div className="min-w-0 flex-1 space-y-2">
-                        <h2 className="truncate text-lg font-semibold" title={group.title}>
-                            {group.title}
-                        </h2>
+                        <div className="flex items-start gap-2">
+                            <h2
+                                className="min-w-0 flex-1 truncate text-lg font-semibold"
+                                title={group.title}
+                            >
+                                {group.title}
+                            </h2>
+                            {props.onManage && (
+                                <Button
+                                    size="sm"
+                                    variant="outline"
+                                    onClick={() =>
+                                        props.onManage?.({
+                                            bangumiId: props.bangumiId,
+                                            title: group.title,
+                                            posterUrl: group.posterUrl,
+                                        })
+                                    }
+                                >
+                                    {t(locale, "library.manageGroup")}
+                                </Button>
+                            )}
+                        </div>
                         <p className="text-sm text-muted-foreground">
                             {t(locale, "library.episodeCount", { count: group.episodes.length })}
                         </p>
@@ -114,38 +136,45 @@ function GroupDetail(props: {
                                 {t(locale, "library.episodes")}
                             </div>
                             <ul className="divide-y divide-border rounded-lg border border-border">
-                                {group.episodes.map((ep) => (
-                                    <li
-                                        key={ep.id}
-                                        className="flex items-center gap-3 px-3 py-2 text-sm"
-                                    >
-                                        <span className="w-10 shrink-0 font-mono text-xs text-muted-foreground">
-                                            {ep.epNumber != null ? `EP${ep.epNumber}` : "—"}
-                                        </span>
-                                        <span
-                                            className="min-w-0 flex-1 truncate"
-                                            title={ep.rawName}
+                                {group.episodes.map((ep) => {
+                                    // 落库集数优先，null 时用共享正则从文件名兜底解析
+                                    const epNo =
+                                        ep.epNumber ?? parseEpisodeFromFilename(ep.rawName);
+                                    return (
+                                        <li
+                                            key={ep.id}
+                                            className="flex items-center gap-3 px-3 py-2 text-sm"
                                         >
-                                            {ep.rawName}
-                                        </span>
-                                        <Button
-                                            size="sm"
-                                            variant="secondary"
-                                            onClick={() => props.onPlay(ep.id, props.bangumiId)}
-                                        >
-                                            {t(locale, "library.play")}
-                                        </Button>
-                                        {props.onMatch && (
+                                            <span className="w-10 shrink-0 font-mono text-xs text-muted-foreground">
+                                                {epNo != null ? `EP${epNo}` : "—"}
+                                            </span>
+                                            <span
+                                                className="min-w-0 flex-1 truncate"
+                                                title={ep.rawName}
+                                            >
+                                                {ep.rawName}
+                                            </span>
                                             <Button
                                                 size="sm"
-                                                variant="outline"
-                                                onClick={() => props.onMatch?.(ep.id)}
+                                                variant="secondary"
+                                                onClick={() => props.onPlay(ep.id, props.bangumiId)}
                                             >
-                                                {t(locale, "library.match")}
+                                                {t(locale, "library.play")}
                                             </Button>
-                                        )}
-                                    </li>
-                                ))}
+                                            {props.onMatch && (
+                                                <Button
+                                                    size="sm"
+                                                    variant="outline"
+                                                    onClick={() =>
+                                                        props.onMatch?.(ep.id, ep.rawName)
+                                                    }
+                                                >
+                                                    {t(locale, "library.match")}
+                                                </Button>
+                                            )}
+                                        </li>
+                                    );
+                                })}
                             </ul>
                         </div>
                     </div>
@@ -157,7 +186,26 @@ function GroupDetail(props: {
 
 function ContinueRow(props: { locale: Locale }) {
     const { locale } = props;
+    const utils = trpc.useUtils();
     const list = trpc.media.playbackContinue.useQuery({ limit: 6 });
+    const [confirmRemoveId, setConfirmRemoveId] = useState<string | null>(null);
+    const [confirmClear, setConfirmClear] = useState(false);
+    const remove = trpc.media.playbackDelete.useMutation({
+        onSuccess: () => {
+            setConfirmRemoveId(null);
+            toast.success(t(locale, "library.removedToast"));
+            void utils.media.playbackContinue.invalidate();
+        },
+        onError: (err) => toast.error(formatTrpcError(err, t(locale, "library.removeError"))),
+    });
+    const clear = trpc.media.playbackClear.useMutation({
+        onSuccess: () => {
+            setConfirmClear(false);
+            toast.success(t(locale, "library.clearedToast"));
+            void utils.media.playbackContinue.invalidate();
+        },
+        onError: (err) => toast.error(formatTrpcError(err, t(locale, "library.clearError"))),
+    });
     const items = list.data ?? [];
     if (list.isPending) return null;
     if (items.length === 0) return null;
@@ -166,6 +214,20 @@ function ContinueRow(props: { locale: Locale }) {
             <div className="flex items-center gap-2">
                 <p className="u-label">{t(locale, "library.continueTitle")}</p>
                 <span className="u-dotline flex-1" aria-hidden="true" />
+                <button
+                    type="button"
+                    className="shrink-0 text-xs text-muted-foreground transition-colors hover:text-destructive"
+                    disabled={clear.isPending}
+                    onClick={() => {
+                        setConfirmRemoveId(null);
+                        if (confirmClear) clear.mutate({});
+                        else setConfirmClear(true);
+                    }}
+                >
+                    {confirmClear
+                        ? t(locale, "library.confirmClearContinue")
+                        : t(locale, "library.clearContinue")}
+                </button>
             </div>
             <div className="flex gap-3 overflow-x-auto pb-1">
                 {items.map((item) => {
@@ -174,28 +236,56 @@ function ContinueRow(props: { locale: Locale }) {
                             ? Math.min(100, Math.round((item.positionMs / item.durationMs) * 100))
                             : 0;
                     return (
-                        <button
+                        <div
                             key={item.mediaItemId}
-                            type="button"
-                            className="w-40 shrink-0 overflow-hidden rounded-lg border border-border bg-card text-left transition-colors hover:border-primary/60"
-                            onClick={() => go(`/${locale}/watch?id=${item.mediaItemId}`)}
+                            className="relative w-40 shrink-0 overflow-hidden rounded-lg border border-border bg-card transition-colors hover:border-primary/60"
                         >
-                            <PosterBox posterUrl={item.posterUrl} locale={locale} />
-                            <div className="p-2">
-                                <div className="truncate text-sm font-medium" title={item.title}>
-                                    {item.title}
-                                </div>
-                                <div className="mt-1 h-1 w-full overflow-hidden rounded bg-muted">
+                            <button
+                                type="button"
+                                className="block w-full text-left"
+                                onClick={() => {
+                                    setConfirmRemoveId(null);
+                                    setConfirmClear(false);
+                                    go(`/${locale}/watch?id=${item.mediaItemId}`);
+                                }}
+                            >
+                                <PosterBox posterUrl={item.posterUrl} locale={locale} />
+                                <div className="p-2">
                                     <div
-                                        className="h-full bg-primary"
-                                        style={{ width: `${pct}%` }}
-                                    />
+                                        className="truncate text-sm font-medium"
+                                        title={item.title}
+                                    >
+                                        {item.title}
+                                    </div>
+                                    <div className="mt-1 h-1 w-full overflow-hidden rounded bg-muted">
+                                        <div
+                                            className="h-full bg-primary"
+                                            style={{ width: `${pct}%` }}
+                                        />
+                                    </div>
+                                    <div className="mt-1 font-mono text-[11px] text-muted-foreground">
+                                        {t(locale, "library.continue")} · {pct}%
+                                    </div>
                                 </div>
-                                <div className="mt-1 font-mono text-[11px] text-muted-foreground">
-                                    {t(locale, "library.continue")} · {pct}%
-                                </div>
-                            </div>
-                        </button>
+                            </button>
+                            <button
+                                type="button"
+                                className="absolute top-1.5 right-1.5 z-10 rounded-md border border-border bg-background/90 px-1.5 py-0.5 text-[11px] text-muted-foreground transition-colors hover:text-destructive"
+                                disabled={remove.isPending}
+                                onClick={() => {
+                                    setConfirmClear(false);
+                                    if (confirmRemoveId === item.mediaItemId) {
+                                        remove.mutate({ mediaItemId: item.mediaItemId });
+                                    } else {
+                                        setConfirmRemoveId(item.mediaItemId);
+                                    }
+                                }}
+                            >
+                                {confirmRemoveId === item.mediaItemId
+                                    ? t(locale, "library.confirmRemoveContinue")
+                                    : t(locale, "library.removeContinue")}
+                            </button>
+                        </div>
                     );
                 })}
             </div>
@@ -257,6 +347,245 @@ function usePagedAccumulator<T>(params: {
     return { items, total, hasMore: items.length < total };
 }
 
+type ManageTarget = { bangumiId: number; title: string; posterUrl: string | null };
+
+/** 海报墙组管理弹窗：编辑标题/封面、重新匹配、取消匹配、删除记录 */
+function GroupManageModal(props: {
+    locale: Locale;
+    mountId: string;
+    group: ManageTarget;
+    onClose: () => void;
+    onChanged: () => void;
+    onRemoved: (bangumiId: number) => void;
+}) {
+    const { locale, mountId, group } = props;
+    const [tab, setTab] = useState<"edit" | "rematch">("edit");
+    const [title, setTitle] = useState(group.title);
+    const [poster, setPoster] = useState(group.posterUrl ?? "");
+    const [searchQ, setSearchQ] = useState("");
+    const [confirmUnbind, setConfirmUnbind] = useState(false);
+    const [confirmDelete, setConfirmDelete] = useState(false);
+
+    const search = trpc.media.scrapeSearch.useQuery(
+        { q: searchQ },
+        { enabled: tab === "rematch" && searchQ.length > 1 },
+    );
+    const save = trpc.media.libraryUpdateGroup.useMutation({
+        onSuccess: () => {
+            toast.success(t(locale, "library.saved"));
+            props.onChanged();
+        },
+        onError: (err) => toast.error(formatTrpcError(err, t(locale, "library.groupOpError"))),
+    });
+    const unbind = trpc.media.scrapeUnbindGroup.useMutation({
+        onSuccess: () => {
+            toast.success(t(locale, "library.unbound"));
+            props.onChanged();
+            props.onRemoved(group.bangumiId);
+            props.onClose();
+        },
+        onError: (err) => toast.error(formatTrpcError(err, t(locale, "library.groupOpError"))),
+    });
+    const remove = trpc.media.libraryDeleteGroup.useMutation({
+        onSuccess: () => {
+            toast.success(t(locale, "library.groupDeleted"));
+            props.onChanged();
+            props.onRemoved(group.bangumiId);
+            props.onClose();
+        },
+        onError: (err) => toast.error(formatTrpcError(err, t(locale, "library.groupOpError"))),
+    });
+    const rebind = trpc.media.scrapeBindGroup.useMutation({
+        onSuccess: () => {
+            toast.success(t(locale, "library.matched"));
+            props.onChanged();
+            setTab("edit");
+            setSearchQ("");
+        },
+        onError: (err) => toast.error(formatTrpcError(err, t(locale, "library.groupOpError"))),
+    });
+
+    const busy = save.isPending || unbind.isPending || remove.isPending || rebind.isPending;
+    const canSave = title.trim().length > 0;
+
+    return (
+        <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 p-4">
+            <div className="w-full max-w-lg space-y-3 rounded-lg border border-border bg-background p-4">
+                <div className="flex items-center gap-2">
+                    <h2 className="shrink-0 font-medium">
+                        {t(locale, "library.groupManageTitle")}
+                    </h2>
+                    <span className="truncate text-xs text-muted-foreground" title={title}>
+                        {title}
+                    </span>
+                </div>
+                <div className="flex rounded-md border border-border p-0.5">
+                    <button
+                        type="button"
+                        className={cn(
+                            "flex-1 rounded px-3 py-1.5 text-sm transition-colors",
+                            tab === "edit"
+                                ? "bg-primary font-medium text-primary-foreground"
+                                : "text-muted-foreground hover:bg-muted",
+                        )}
+                        onClick={() => setTab("edit")}
+                    >
+                        {t(locale, "library.editInfo")}
+                    </button>
+                    <button
+                        type="button"
+                        className={cn(
+                            "flex-1 rounded px-3 py-1.5 text-sm transition-colors",
+                            tab === "rematch"
+                                ? "bg-primary font-medium text-primary-foreground"
+                                : "text-muted-foreground hover:bg-muted",
+                        )}
+                        onClick={() => setTab("rematch")}
+                    >
+                        {t(locale, "library.rematch")}
+                    </button>
+                </div>
+
+                {tab === "edit" ? (
+                    <div className="space-y-3">
+                        <div className="space-y-1 text-sm">
+                            <label htmlFor="group-manage-title" className="text-muted-foreground">
+                                {t(locale, "library.editTitleLabel")}
+                            </label>
+                            <Input
+                                id="group-manage-title"
+                                value={title}
+                                disabled={busy}
+                                onChange={(e) => setTitle(e.target.value)}
+                            />
+                        </div>
+                        <div className="space-y-1 text-sm">
+                            <label htmlFor="group-manage-poster" className="text-muted-foreground">
+                                {t(locale, "library.posterLabel")}
+                            </label>
+                            <Input
+                                id="group-manage-poster"
+                                value={poster}
+                                disabled={busy}
+                                placeholder={t(locale, "library.posterPlaceholder")}
+                                onChange={(e) => setPoster(e.target.value)}
+                            />
+                        </div>
+                        <div className="flex gap-2">
+                            <Button
+                                size="sm"
+                                disabled={!canSave || busy}
+                                onClick={() =>
+                                    save.mutate({
+                                        mountId,
+                                        bangumiId: group.bangumiId,
+                                        title: title.trim(),
+                                        posterUrl: poster.trim() === "" ? null : poster.trim(),
+                                    })
+                                }
+                            >
+                                {t(locale, "library.save")}
+                            </Button>
+                        </div>
+                        <p className="text-xs text-muted-foreground">
+                            {t(locale, "library.groupOpHint")}
+                        </p>
+                        <div className="flex flex-wrap gap-2 border-t border-border pt-3">
+                            <Button
+                                size="sm"
+                                variant="destructive"
+                                disabled={busy}
+                                onClick={() => {
+                                    setConfirmDelete(false);
+                                    if (confirmUnbind) {
+                                        unbind.mutate({
+                                            mountId,
+                                            bangumiId: group.bangumiId,
+                                        });
+                                    } else {
+                                        setConfirmUnbind(true);
+                                    }
+                                }}
+                            >
+                                {confirmUnbind
+                                    ? t(locale, "library.confirmUnbind")
+                                    : t(locale, "library.unbind")}
+                            </Button>
+                            <Button
+                                size="sm"
+                                variant="destructive"
+                                disabled={busy}
+                                onClick={() => {
+                                    setConfirmUnbind(false);
+                                    if (confirmDelete) {
+                                        remove.mutate({
+                                            mountId,
+                                            bangumiId: group.bangumiId,
+                                        });
+                                    } else {
+                                        setConfirmDelete(true);
+                                    }
+                                }}
+                            >
+                                {confirmDelete
+                                    ? t(locale, "library.confirmDeleteGroup")
+                                    : t(locale, "library.deleteGroup")}
+                            </Button>
+                        </div>
+                    </div>
+                ) : (
+                    <div className="space-y-3">
+                        <Input
+                            placeholder={t(locale, "library.searchWork")}
+                            value={searchQ}
+                            onChange={(e) => setSearchQ(e.target.value)}
+                        />
+                        <p className="text-xs text-muted-foreground">
+                            {t(locale, "library.candidates")}
+                        </p>
+                        <ul className="max-h-64 divide-y divide-border overflow-auto rounded border border-border">
+                            {(search.data ?? []).map((hit) => (
+                                <li
+                                    key={hit.id}
+                                    className="flex items-center justify-between gap-2 p-2 text-sm"
+                                >
+                                    <div className="min-w-0">
+                                        <div className="truncate">{hit.nameCn || hit.name}</div>
+                                        {hit.nameCn && hit.name && (
+                                            <div className="truncate text-xs text-muted-foreground">
+                                                {hit.name}
+                                            </div>
+                                        )}
+                                    </div>
+                                    <Button
+                                        size="sm"
+                                        disabled={rebind.isPending}
+                                        onClick={() =>
+                                            rebind.mutate({
+                                                mountId,
+                                                bangumiId: group.bangumiId,
+                                                newBangumiId: hit.id,
+                                            })
+                                        }
+                                    >
+                                        {t(locale, "library.bind")}
+                                    </Button>
+                                </li>
+                            ))}
+                        </ul>
+                    </div>
+                )}
+
+                <div className="flex justify-end gap-2 border-t border-border pt-3">
+                    <Button variant="outline" size="sm" disabled={busy} onClick={props.onClose}>
+                        {t(locale, "library.cancel")}
+                    </Button>
+                </div>
+            </div>
+        </div>
+    );
+}
+
 function WallView(props: {
     locale: Locale;
     mountId: string;
@@ -265,7 +594,8 @@ function WallView(props: {
     selectedBangumiId: number | null;
     onSelect: (bangumiId: number | null) => void;
     onPlay: (mediaItemId: string, bangumiId: number) => void;
-    onMatch?: ((mediaItemId: string) => void) | undefined;
+    onMatch?: ((mediaItemId: string, rawName?: string) => void) | undefined;
+    onManage?: ((group: ManageTarget) => void) | undefined;
     onClearSearch?: (() => void) | undefined;
     hideEmpty?: boolean;
     mountsEmpty?: boolean;
@@ -307,6 +637,7 @@ function WallView(props: {
                 onBack={() => props.onSelect(null)}
                 onPlay={props.onPlay}
                 onMatch={props.onMatch}
+                onManage={props.onManage}
             />
         );
     }
@@ -318,22 +649,40 @@ function WallView(props: {
         <div className="space-y-4">
             <div className="grid grid-cols-2 gap-3 md:grid-cols-4 lg:grid-cols-6">
                 {groups.map((group) => (
-                    <button
-                        key={group.bangumiId}
-                        type="button"
-                        className="overflow-hidden rounded-lg border border-border bg-card text-left transition-colors hover:border-primary/60"
-                        onClick={() => props.onSelect(group.bangumiId)}
-                    >
-                        <PosterBox posterUrl={group.posterUrl} locale={locale} />
-                        <div className="p-2">
-                            <div className="truncate text-sm font-medium" title={group.title}>
-                                {group.title}
+                    <div key={group.bangumiId} className="relative">
+                        <button
+                            type="button"
+                            className="w-full overflow-hidden rounded-lg border border-border bg-card text-left transition-colors hover:border-primary/60"
+                            onClick={() => props.onSelect(group.bangumiId)}
+                        >
+                            <PosterBox posterUrl={group.posterUrl} locale={locale} />
+                            <div className="p-2">
+                                <div className="truncate text-sm font-medium" title={group.title}>
+                                    {group.title}
+                                </div>
+                                <div className="mt-0.5 font-mono text-xs text-muted-foreground">
+                                    {t(locale, "library.episodeCount", {
+                                        count: group.episodeCount,
+                                    })}
+                                </div>
                             </div>
-                            <div className="mt-0.5 font-mono text-xs text-muted-foreground">
-                                {t(locale, "library.episodeCount", { count: group.episodeCount })}
-                            </div>
-                        </div>
-                    </button>
+                        </button>
+                        {props.onManage && (
+                            <button
+                                type="button"
+                                className="absolute top-1.5 right-1.5 z-10 rounded-md border border-border bg-background/90 px-1.5 py-0.5 text-[11px] text-muted-foreground transition-colors hover:text-primary"
+                                onClick={() =>
+                                    props.onManage?.({
+                                        bangumiId: group.bangumiId,
+                                        title: group.title,
+                                        posterUrl: group.posterUrl,
+                                    })
+                                }
+                            >
+                                {t(locale, "library.manageGroup")}
+                            </button>
+                        )}
+                    </div>
                 ))}
                 {showEmpty && (
                     <div className="u-empty col-span-full">
@@ -388,7 +737,7 @@ function ListView(props: {
     filter: "" | "unmatched" | "ok";
     refreshKey: number;
     onFilterChange: (f: "" | "unmatched" | "ok") => void;
-    onMatch: (mediaItemId: string) => void;
+    onMatch: (mediaItemId: string, rawName?: string) => void;
     onPlay: (mediaItemId: string, bangumiId?: number | null) => void;
     onRescrape?: ((mediaItemId: string) => void) | undefined;
     onClearSearch?: (() => void) | undefined;
@@ -420,6 +769,7 @@ function ListView(props: {
     type MediaListItem = {
         id: string;
         title: string;
+        rawName: string;
         posterUrl: string | null;
         bangumiId: number | null;
         scrapeStatus: string;
@@ -433,6 +783,7 @@ function ListView(props: {
                   items: list.data.rows.map((r) => ({
                       id: r.id,
                       title: r.title,
+                      rawName: r.rawName,
                       posterUrl: r.posterUrl,
                       bangumiId: r.bangumiId,
                       scrapeStatus: r.scrapeStatus,
@@ -444,6 +795,16 @@ function ListView(props: {
     const rows = paged.items;
     const hasMore = paged.hasMore;
 
+    const statusBadge = (status: string) => {
+        if (status === "ok")
+            return { variant: "secondary" as const, label: t(locale, "library.filterOk") };
+        if (status === "unmatched")
+            return { variant: "default" as const, label: t(locale, "library.unmatched") };
+        if (status === "failed")
+            return { variant: "destructive" as const, label: t(locale, "library.statusFailed") };
+        return { variant: "outline" as const, label: t(locale, "library.statusPending") };
+    };
+
     return (
         <div className="space-y-4">
             <div className="flex justify-end">
@@ -461,89 +822,112 @@ function ListView(props: {
                 </select>
             </div>
 
-            <div className="grid grid-cols-2 gap-3 md:grid-cols-4 lg:grid-cols-6">
-                {rows.map((item) => (
-                    <div
-                        key={item.id}
-                        className="overflow-hidden rounded-lg border border-border bg-card"
-                    >
-                        <PosterBox posterUrl={item.posterUrl} locale={locale} />
-                        <div className="p-2">
-                            <div className="truncate text-sm font-medium" title={item.title}>
-                                {item.title}
-                            </div>
-                            <div className="mt-1 flex gap-1">
-                                <Button
-                                    size="sm"
-                                    variant="secondary"
-                                    onClick={() => props.onPlay(item.id, item.bangumiId)}
+            {rows.length > 0 && (
+                <div className="overflow-hidden rounded-lg border border-border bg-card">
+                    <ul className="divide-y divide-border">
+                        {rows.map((item) => {
+                            const badge = statusBadge(item.scrapeStatus);
+                            return (
+                                <li
+                                    key={item.id}
+                                    className="flex flex-wrap items-center gap-3 px-3 py-2.5 transition-colors hover:bg-muted/40"
                                 >
-                                    {t(locale, "library.play")}
-                                </Button>
-                                <Button
-                                    size="sm"
-                                    variant="outline"
-                                    onClick={() => props.onMatch(item.id)}
-                                >
-                                    {t(locale, "library.match")}
-                                </Button>
-                                <Button
-                                    size="sm"
-                                    variant="ghost"
-                                    onClick={() => props.onRescrape?.(item.id)}
-                                >
-                                    {t(locale, "library.reScrape")}
-                                </Button>
-                            </div>
-                        </div>
-                    </div>
-                ))}
-                {!props.hideEmpty &&
-                    (props.mountsEmpty || (rows.length === 0 && !list.isPending)) && (
-                        <div className="u-empty col-span-full">
-                            <p className="u-empty__title">{t(locale, "library.title")}</p>
-                            <p>
-                                {!props.mountsEmpty && q
-                                    ? t(locale, "library.noResults", { q })
-                                    : !props.mountsEmpty && filter
-                                      ? t(locale, "library.filterEmpty")
-                                      : t(locale, "library.empty")}
-                            </p>
-                            <div className="u-empty__actions">
-                                {!props.mountsEmpty && q && props.onClearSearch ? (
-                                    <Button
-                                        size="sm"
-                                        variant="outline"
-                                        onClick={props.onClearSearch}
-                                    >
-                                        {t(locale, "library.clearSearch")}
-                                    </Button>
-                                ) : !props.mountsEmpty && filter ? (
-                                    <Button
-                                        size="sm"
-                                        variant="outline"
-                                        onClick={() => props.onFilterChange("")}
-                                    >
-                                        {t(locale, "library.filterAll")}
-                                    </Button>
-                                ) : (
-                                    <>
-                                        <Button size="sm" onClick={() => go(`/${locale}/browse`)}>
-                                            {t(locale, "library.ctaBrowse")}
+                                    <PosterBox
+                                        posterUrl={item.posterUrl}
+                                        locale={locale}
+                                        className="h-14 w-[42px] shrink-0 overflow-hidden rounded-md border border-border"
+                                    />
+                                    <div className="min-w-0 flex-1">
+                                        <div className="flex items-center gap-2">
+                                            <p
+                                                className="truncate text-sm font-medium"
+                                                title={item.title}
+                                            >
+                                                {item.title}
+                                            </p>
+                                            <Badge
+                                                variant={badge.variant}
+                                                className="shrink-0 font-normal"
+                                            >
+                                                {badge.label}
+                                            </Badge>
+                                        </div>
+                                        <p
+                                            className="truncate font-mono text-xs text-muted-foreground"
+                                            title={item.rawName}
+                                        >
+                                            {item.rawName}
+                                        </p>
+                                    </div>
+                                    <div className="ml-auto flex shrink-0 gap-1">
+                                        <Button
+                                            size="sm"
+                                            variant="secondary"
+                                            onClick={() => props.onPlay(item.id, item.bangumiId)}
+                                        >
+                                            {t(locale, "library.play")}
                                         </Button>
                                         <Button
                                             size="sm"
                                             variant="outline"
-                                            onClick={() => go(`/${locale}/mounts`)}
+                                            onClick={() => props.onMatch(item.id, item.rawName)}
                                         >
-                                            {t(locale, "library.ctaMounts")}
+                                            {t(locale, "library.match")}
                                         </Button>
-                                    </>
-                                )}
-                            </div>
-                        </div>
-                    )}
-            </div>
+                                        <Button
+                                            size="sm"
+                                            variant="ghost"
+                                            onClick={() => props.onRescrape?.(item.id)}
+                                        >
+                                            {t(locale, "library.reScrape")}
+                                        </Button>
+                                    </div>
+                                </li>
+                            );
+                        })}
+                    </ul>
+                </div>
+            )}
+            {!props.hideEmpty && (props.mountsEmpty || (rows.length === 0 && !list.isPending)) && (
+                <div className="u-empty">
+                    <p className="u-empty__title">{t(locale, "library.title")}</p>
+                    <p>
+                        {!props.mountsEmpty && q
+                            ? t(locale, "library.noResults", { q })
+                            : !props.mountsEmpty && filter
+                              ? t(locale, "library.filterEmpty")
+                              : t(locale, "library.empty")}
+                    </p>
+                    <div className="u-empty__actions">
+                        {!props.mountsEmpty && q && props.onClearSearch ? (
+                            <Button size="sm" variant="outline" onClick={props.onClearSearch}>
+                                {t(locale, "library.clearSearch")}
+                            </Button>
+                        ) : !props.mountsEmpty && filter ? (
+                            <Button
+                                size="sm"
+                                variant="outline"
+                                onClick={() => props.onFilterChange("")}
+                            >
+                                {t(locale, "library.filterAll")}
+                            </Button>
+                        ) : (
+                            <>
+                                <Button size="sm" onClick={() => go(`/${locale}/browse`)}>
+                                    {t(locale, "library.ctaBrowse")}
+                                </Button>
+                                <Button
+                                    size="sm"
+                                    variant="outline"
+                                    onClick={() => go(`/${locale}/mounts`)}
+                                >
+                                    {t(locale, "library.ctaMounts")}
+                                </Button>
+                            </>
+                        )}
+                    </div>
+                </div>
+            )}
             {hasMore && (
                 <div className="flex justify-center">
                     <Button
@@ -580,6 +964,7 @@ function LibraryInner(props: { locale: Locale }) {
     const [q, setQ] = useState("");
     const debouncedQ = useDebouncedValue(q, 300);
     const [matchId, setMatchId] = useState<string | null>(null);
+    const [manageGroup, setManageGroup] = useState<ManageTarget | null>(null);
     const [searchQ, setSearchQ] = useState("");
     const [epInput, setEpInput] = useState("");
     const [mountId, setMountId] = useState(() => queryParam("mount") ?? "");
@@ -595,6 +980,14 @@ function LibraryInner(props: { locale: Locale }) {
     const utils = trpc.useUtils();
     const [refreshKey, setRefreshKey] = useState(0);
     const bumpRefresh = () => setRefreshKey((k) => k + 1);
+    /** 组级操作后的统一刷新：分页游标 + 全部相关查询 */
+    const refreshAll = () => {
+        bumpRefresh();
+        void utils.media.libraryList.invalidate();
+        void utils.media.libraryGroups.invalidate();
+        void utils.media.librarySeries.invalidate();
+        void utils.media.playbackContinue.invalidate();
+    };
     const bind = trpc.media.scrapeBind.useMutation({
         onSuccess: () => {
             setMatchId(null);
@@ -626,6 +1019,13 @@ function LibraryInner(props: { locale: Locale }) {
         });
     };
 
+    /** 打开匹配弹窗：集数用共享正则从文件名预填，用户可改 */
+    const openMatch = (mediaItemId: string, rawName?: string) => {
+        setMatchId(mediaItemId);
+        const parsed = rawName != null ? parseEpisodeFromFilename(rawName) : null;
+        setEpInput(parsed != null ? String(parsed) : "");
+    };
+
     const mounts = trpc.media.mountList.useQuery();
     const probe = trpc.media.libraryList.useQuery({ limit: 1, offset: 0 });
     const autoScan = trpc.media.libraryScan.useMutation();
@@ -751,7 +1151,8 @@ function LibraryInner(props: { locale: Locale }) {
                     selectedBangumiId={selectedBangumiId}
                     onSelect={setSelectedBangumiId}
                     onPlay={play}
-                    onMatch={setMatchId}
+                    onMatch={openMatch}
+                    onManage={setManageGroup}
                     onClearSearch={() => setQ("")}
                     hideEmpty={autoScanning}
                     mountsEmpty={mountsEmpty}
@@ -764,7 +1165,7 @@ function LibraryInner(props: { locale: Locale }) {
                     filter={filter}
                     refreshKey={refreshKey}
                     onFilterChange={setFilter}
-                    onMatch={setMatchId}
+                    onMatch={openMatch}
                     onPlay={play}
                     onRescrape={(id) => rescrape.mutate({ mediaItemId: id })}
                     onClearSearch={() => setQ("")}
@@ -773,6 +1174,19 @@ function LibraryInner(props: { locale: Locale }) {
                 />
             )}
 
+            {manageGroup && (
+                <GroupManageModal
+                    locale={locale}
+                    mountId={mountId}
+                    group={manageGroup}
+                    onClose={() => setManageGroup(null)}
+                    onChanged={refreshAll}
+                    onRemoved={(bangumiId) => {
+                        if (selectedBangumiId === bangumiId) setSelectedBangumiId(null);
+                    }}
+                />
+            )}
+
             {matchId && (
                 <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 p-4">
                     <div className="w-full max-w-lg rounded-lg border border-border bg-background p-4 space-y-3">
diff --git a/app/web/src/components/pages/WatchBody.tsx b/app/web/src/components/pages/WatchBody.tsx
index 7c85e3a..d1971dc 100644
--- a/app/web/src/components/pages/WatchBody.tsx
+++ b/app/web/src/components/pages/WatchBody.tsx
@@ -1,5 +1,6 @@
 import type { Locale } from "@app/i18n";
 import { t } from "@app/i18n";
+import { parseEpisodeFromFilename } from "@app/types";
 import { Button, toast } from "@app/ui";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import Artplayer from "artplayer";
@@ -33,6 +34,11 @@ type ProgressInput = {
     durationMs: number;
 };
 
+/** 集数：落库值优先，null 时用共享正则从文件名解析（与后端同一套） */
+function epNumberOf(ep: { epNumber: number | null; rawName: string }): number | null {
+    return ep.epNumber ?? parseEpisodeFromFilename(ep.rawName);
+}
+
 function readDanmakuPrefs(): DanmakuPrefs {
     const fallback: DanmakuPrefs = { enabled: true, opacity: 0.8, density: 1 };
     try {
@@ -144,7 +150,7 @@ function WatchInner(props: { locale: Locale; mediaItemId: string }) {
     );
     const episodes = useMemo(() => {
         const list = series.data?.episodes ?? [];
-        return [...list].sort((a, b) => (a.epNumber ?? 0) - (b.epNumber ?? 0));
+        return [...list].sort((a, b) => (epNumberOf(a) ?? 0) - (epNumberOf(b) ?? 0));
     }, [series.data]);
     const epIndex = episodes.findIndex((ep) => ep.id === mediaItemId);
     const prevEp = epIndex > 0 ? episodes[epIndex - 1] : null;
@@ -518,6 +524,7 @@ function WatchInner(props: { locale: Locale; mediaItemId: string }) {
                     <ul className="flex flex-wrap gap-2">
                         {episodes.map((ep) => {
                             const current = ep.id === mediaItemId;
+                            const epNo = epNumberOf(ep);
                             return (
                                 <li key={ep.id}>
                                     <button
@@ -530,8 +537,8 @@ function WatchInner(props: { locale: Locale; mediaItemId: string }) {
                                         )}
                                         onClick={() => !current && openEpisode(ep.id)}
                                     >
-                                        {ep.epNumber != null
-                                            ? t(locale, "watch.episodeN", { n: ep.epNumber })
+                                        {epNo != null
+                                            ? t(locale, "watch.episodeN", { n: epNo })
                                             : ep.rawName}
                                         {current && (
                                             <span className="ml-2 text-[11px]">
@@ -550,7 +557,7 @@ function WatchInner(props: { locale: Locale; mediaItemId: string }) {
                 <div className="flex items-center gap-3 rounded-lg border border-primary/40 bg-primary/5 p-4">
                     <p className="text-sm">
                         {t(locale, "watch.episodeN", {
-                            n: nextEp.epNumber ?? episodes.indexOf(nextEp) + 1,
+                            n: epNumberOf(nextEp) ?? episodes.indexOf(nextEp) + 1,
                         })}
                     </p>
                     <Button size="sm" className="ml-auto" onClick={() => openEpisode(nextEp.id)}>
diff --git a/app/web/src/layouts/AppLayout.astro b/app/web/src/layouts/AppLayout.astro
index b48dea0..42d2f9b 100644
--- a/app/web/src/layouts/AppLayout.astro
+++ b/app/web/src/layouts/AppLayout.astro
@@ -84,6 +84,10 @@ const nav = [
     <Fragment set:html={headHtml} />
     <Fragment set:html={jsonLdHtml} />
     <ClientRouter />
+    {/* ClientRouter onPopState 在 history.state 为 null 时会吞掉前进/后退，见 history-guard */}
+    <script>
+      import "@/lib/history-guard";
+    </script>
     <script is:inline define:vars={{ cookieName: COOKIE_LANG, maxAge: COOKIE_LANG_MAX_AGE, nextLocale: locale === "zh-CN" ? "en" : "zh-CN" }}>
       (function () {
         function apply(mode) {
diff --git a/app/web/src/lib/history-guard.ts b/app/web/src/lib/history-guard.ts
new file mode 100644
index 0000000..b7605a5
--- /dev/null
+++ b/app/web/src/lib/history-guard.ts
@@ -0,0 +1,77 @@
+import { navigate } from "astro:transitions/client";
+
+/**
+ * Astro ClientRouter 的 onPopState 在 `ev.state === null` 时直接 return，
+ * 结果是地址栏已变、页面不更新。本模块做两层兜底：
+ * 1. 禁止 history API 把 state 写成 null / 缺 index 的形状；
+ * 2. popstate 仍遇到 null state 时，按当前 URL 补一次软导航（失败则整页加载）。
+ */
+
+type HistoryStateShape = {
+    index?: number | undefined;
+    scrollX?: number | undefined;
+    scrollY?: number | undefined;
+};
+
+function currentState(): HistoryStateShape | null {
+    const s = window.history.state as HistoryStateShape | null | undefined;
+    return s && typeof s === "object" ? s : null;
+}
+
+function withRouterState(state: unknown): unknown {
+    const prev = currentState();
+    const index = prev?.index ?? 0;
+    const scrollX = prev?.scrollX ?? window.scrollX;
+    const scrollY = prev?.scrollY ?? window.scrollY;
+    if (state == null) return { index, scrollX, scrollY };
+    if (typeof state !== "object") return state;
+    const obj = state as Record<string, unknown>;
+    return {
+        ...obj,
+        index: typeof obj["index"] === "number" ? obj["index"] : index,
+        scrollX: typeof obj["scrollX"] === "number" ? obj["scrollX"] : scrollX,
+        scrollY: typeof obj["scrollY"] === "number" ? obj["scrollY"] : scrollY,
+    };
+}
+
+function patchHistory(): void {
+    const historyProto = window.history;
+    const rawReplace = historyProto.replaceState.bind(historyProto);
+    const rawPush = historyProto.pushState.bind(historyProto);
+
+    historyProto.replaceState = (data: unknown, unused: string, url?: string | URL | null) => {
+        rawReplace(withRouterState(data), unused, url ?? undefined);
+    };
+    historyProto.pushState = (data: unknown, unused: string, url?: string | URL | null) => {
+        rawPush(withRouterState(data), unused, url ?? undefined);
+    };
+}
+
+function onPopState(ev: PopStateEvent): void {
+    if (ev.state != null) return;
+    // ClientRouter 已在此刻 return；补 state 后按当前 URL 软导航，恢复换页
+    const href = window.location.href;
+    rawEnsureState();
+    void navigate(href).catch(() => {
+        window.location.reload();
+    });
+}
+
+function rawEnsureState(): void {
+    const prev = currentState();
+    if (prev?.index != null && prev.scrollX != null && prev.scrollY != null) return;
+    window.history.replaceState(withRouterState(prev), "", window.location.href);
+}
+
+let installed = false;
+
+/** 幂等安装 history 守卫（模块副作用入口）。 */
+export function installHistoryGuard(): void {
+    if (installed || typeof window === "undefined") return;
+    installed = true;
+    patchHistory();
+    window.addEventListener("popstate", onPopState);
+    rawEnsureState();
+}
+
+installHistoryGuard();
diff --git a/app/web/src/lib/nav.ts b/app/web/src/lib/nav.ts
index 63c8181..4028381 100644
--- a/app/web/src/lib/nav.ts
+++ b/app/web/src/lib/nav.ts
@@ -1,4 +1,5 @@
 import { navigate } from "astro:transitions/client";
+import "@/lib/history-guard";
 
 /** 站内软导航（ClientRouter），避免整页 GET。 */
 export function go(href: string): void {
@@ -11,7 +12,11 @@ export function queryParam(name: string): string | null {
     return new URLSearchParams(window.location.search).get(name);
 }
 
-/** 更新查询参数（不刷新，便于刷新/分享后停留在同一选集）。 */
+/**
+ * 更新查询参数（不刷新，便于刷新/分享后停留在同一选集）。
+ * history-guard 会保证 replaceState 不把 ClientRouter 的 state 抹成 null，
+ * 否则 onPopState 直接 return，浏览器前进/后退只变地址栏、不换页。
+ */
 export function setQueryParams(params: Record<string, string | null>): void {
     if (typeof window === "undefined") return;
     const url = new URL(window.location.href);
@@ -19,5 +24,6 @@ export function setQueryParams(params: Record<string, string | null>): void {
         if (value == null) url.searchParams.delete(key);
         else url.searchParams.set(key, value);
     }
-    window.history.replaceState(null, "", url.toString());
+    if (url.toString() === window.location.href) return;
+    window.history.replaceState(window.history.state, "", url.toString());
 }
diff --git a/e2e/nav.spec.ts b/e2e/nav.spec.ts
new file mode 100644
index 0000000..cb8b6b3
--- /dev/null
+++ b/e2e/nav.spec.ts
@@ -0,0 +1,80 @@
+import { expect, test } from "@playwright/test";
+
+const homeH1 = (page: import("@playwright/test").Page) => page.getByRole("heading", { level: 1 });
+
+const loginHeading = (page: import("@playwright/test").Page) =>
+    page.getByRole("heading", { name: "登录" });
+
+test.describe("浏览器前进 / 后退触发页面更新", () => {
+    test("软导航后 goBack / goForward 换页", async ({ page }) => {
+        await page.goto("/zh-CN");
+        await expect(homeH1(page)).toContainText("私有影音库");
+
+        await page.getByRole("link", { name: "登录 / 注册" }).first().click();
+        await expect(page).toHaveURL(/\/zh-CN\/auth\/login/);
+        await expect(loginHeading(page)).toBeVisible();
+
+        await page.goBack();
+        await expect(page).toHaveURL(/\/zh-CN$/);
+        await expect(homeH1(page)).toContainText("私有影音库");
+
+        await page.goForward();
+        await expect(page).toHaveURL(/\/zh-CN\/auth\/login/);
+        await expect(loginHeading(page)).toBeVisible();
+    });
+
+    test("history.state 被抹成 null 后仍能后退换页", async ({ page }) => {
+        await page.goto("/zh-CN");
+        await expect(homeH1(page)).toContainText("私有影音库");
+
+        // 复现旧 bug：replaceState(null) 让 ClientRouter onPopState 直接 return
+        await page.evaluate(() => {
+            window.history.replaceState(null, "", window.location.href);
+        });
+
+        await page.locator('a[href="/zh-CN/auth/login"]').first().click();
+        await expect(page).toHaveURL(/\/zh-CN\/auth\/login/);
+
+        await page.goBack();
+        await expect(page).toHaveURL(/\/zh-CN$/);
+        await expect(homeH1(page)).toContainText("私有影音库");
+    });
+
+    test("setQueryParams 式 replaceState 后跨页后退仍换页", async ({ page }) => {
+        await page.goto("/zh-CN/auth/login");
+        await expect(loginHeading(page)).toBeVisible();
+
+        await page.evaluate(() => {
+            const url = new URL(window.location.href);
+            url.searchParams.set("next", "/zh-CN/library");
+            window.history.replaceState(window.history.state, "", url.toString());
+        });
+        await expect(page).toHaveURL(/next=/);
+
+        await page.locator('a[href="/zh-CN"]').first().click();
+        await expect(page).toHaveURL(/\/zh-CN$/);
+        await expect(homeH1(page)).toContainText("私有影音库");
+
+        await page.goBack();
+        await expect(page).toHaveURL(/\/zh-CN\/auth\/login/);
+        await expect(loginHeading(page)).toBeVisible();
+    });
+
+    test("绕过守卫写入 null state 后，popstate 兜底仍换页", async ({ page }) => {
+        await page.goto("/zh-CN");
+        await expect(homeH1(page)).toContainText("私有影音库");
+
+        // 用原生 replaceState 直接抹掉 state，验证 popstate 兜底（非补丁路径）
+        await page.evaluate(() => {
+            const proto = History.prototype as History;
+            proto.replaceState.call(window.history, null, "", window.location.href);
+        });
+
+        await page.locator('a[href="/zh-CN/auth/login"]').first().click();
+        await expect(page).toHaveURL(/\/zh-CN\/auth\/login/);
+
+        await page.goBack();
+        await expect(page).toHaveURL(/\/zh-CN$/);
+        await expect(homeH1(page)).toContainText("私有影音库");
+    });
+});
diff --git a/packages/dao/src/media-items.ts b/packages/dao/src/media-items.ts
index a40eee2..d47b391 100644
--- a/packages/dao/src/media-items.ts
+++ b/packages/dao/src/media-items.ts
@@ -196,6 +196,22 @@ export const mediaItemDao = {
             .where(and(...conds))
             .orderBy(asc(mediaItems.epNumber), asc(mediaItems.rawName));
     },
+    /** 同作品组内任一非空封面（单集无封面时回退继承父级封面） */
+    async findGroupPoster(userId: string, bangumiId: number): Promise<string | null> {
+        const [row] = await db
+            .select({ posterUrl: mediaItems.posterUrl })
+            .from(mediaItems)
+            .where(
+                and(
+                    eq(mediaItems.userId, userId),
+                    eq(mediaItems.bangumiId, bangumiId),
+                    isNotNull(mediaItems.posterUrl),
+                ),
+            )
+            .orderBy(asc(mediaItems.epNumber), asc(mediaItems.id))
+            .limit(1);
+        return row?.posterUrl ?? null;
+    },
     async getByUserPath(
         userId: string,
         mountId: string,
@@ -301,6 +317,40 @@ export const mediaItemDao = {
             .returning({ id: mediaItems.id });
         return rows.map((r) => r.id);
     },
+    /** 删除挂载下某作品组的全部条目（海报墙组删除），返回被删条目 id 供清理进度 */
+    async deleteByBangumi(userId: string, mountId: string, bangumiId: number): Promise<string[]> {
+        const rows = await db
+            .delete(mediaItems)
+            .where(
+                and(
+                    eq(mediaItems.userId, userId),
+                    eq(mediaItems.mountId, mountId),
+                    eq(mediaItems.bangumiId, bangumiId),
+                ),
+            )
+            .returning({ id: mediaItems.id });
+        return rows.map((r) => r.id);
+    },
+    /** 批量更新组内显示元数据（标题/封面），返回更新行数 */
+    async updateGroupMeta(
+        userId: string,
+        mountId: string,
+        bangumiId: number,
+        data: { title?: string | undefined; posterUrl?: string | null | undefined },
+    ): Promise<number> {
+        const rows = await db
+            .update(mediaItems)
+            .set({ ...data, updatedAt: new Date() })
+            .where(
+                and(
+                    eq(mediaItems.userId, userId),
+                    eq(mediaItems.mountId, mountId),
+                    eq(mediaItems.bangumiId, bangumiId),
+                ),
+            )
+            .returning({ id: mediaItems.id });
+        return rows.length;
+    },
     /** 清理挂载已不存在的孤儿条目（历史脏数据兜底），返回删除数量 */
     async cleanupOrphans(): Promise<number> {
         const rows = await db
diff --git a/packages/dao/src/playback-progress.ts b/packages/dao/src/playback-progress.ts
index 1e5befe..48cdb7d 100644
--- a/packages/dao/src/playback-progress.ts
+++ b/packages/dao/src/playback-progress.ts
@@ -67,6 +67,27 @@ export const playbackProgressDao = {
             .delete(playbackProgress)
             .where(inArray(playbackProgress.mediaItemId, mediaItemIds));
     },
+    /** 移除单条观看记录（用户维度），返回删除数量 */
+    async remove(userId: string, mediaItemId: string): Promise<number> {
+        const rows = await db
+            .delete(playbackProgress)
+            .where(
+                and(
+                    eq(playbackProgress.userId, userId),
+                    eq(playbackProgress.mediaItemId, mediaItemId),
+                ),
+            )
+            .returning({ id: playbackProgress.id });
+        return rows.length;
+    },
+    /** 清除用户全部观看记录，返回删除数量 */
+    async clearByUser(userId: string): Promise<number> {
+        const rows = await db
+            .delete(playbackProgress)
+            .where(eq(playbackProgress.userId, userId))
+            .returning({ id: playbackProgress.id });
+        return rows.length;
+    },
     /** 清理媒体条目已不存在的孤儿进度（历史脏数据兜底） */
     async cleanupOrphans(): Promise<void> {
         await db
diff --git a/packages/i18n/src/messages/en.ts b/packages/i18n/src/messages/en.ts
index c415a6f..f2e6b6e 100644
--- a/packages/i18n/src/messages/en.ts
+++ b/packages/i18n/src/messages/en.ts
@@ -79,11 +79,39 @@ export const en: Record<MessageKey, string> = {
         "Search and pick a title; all videos under this folder will bind to it, episodes parsed from filenames.",
     "library.backToList": "Back to library",
     "library.continueTitle": "Continue watching",
+    "library.removeContinue": "Remove",
+    "library.confirmRemoveContinue": "Confirm remove",
+    "library.clearContinue": "Clear all",
+    "library.confirmClearContinue": "Confirm clear",
+    "library.removedToast": "Record removed",
+    "library.clearedToast": "All records cleared",
+    "library.removeError": "Failed to remove record, please retry",
+    "library.clearError": "Failed to clear records, please retry",
+    "library.manageGroup": "Manage",
+    "library.groupManageTitle": "Manage title",
+    "library.editInfo": "Edit info",
+    "library.editTitleLabel": "Title",
+    "library.posterLabel": "Poster URL",
+    "library.posterPlaceholder": "Paste poster image URL; empty clears it",
+    "library.save": "Save",
+    "library.saved": "Saved",
+    "library.unbind": "Unmatch",
+    "library.confirmUnbind": "Confirm unmatch",
+    "library.unbound": "Unmatched; entries kept in library",
+    "library.deleteGroup": "Delete records",
+    "library.confirmDeleteGroup": "Confirm delete",
+    "library.groupDeleted": "Title records deleted",
+    "library.rematch": "Rematch",
+    "library.groupOpError": "Action failed, please retry",
+    "library.groupOpHint":
+        "Unmatch removes the title from the poster wall but keeps entries; delete removes all entries and watch progress (files on the drive stay).",
     "library.matched": "Matched",
     "library.autoScanning": "Auto-scanning mounted directories into the library…",
     "library.noResults": "No results matching “{q}”",
     "library.filterEmpty": "Nothing under the current filter — try another filter",
     "library.clearSearch": "Clear search",
+    "library.statusPending": "Pending scrape",
+    "library.statusFailed": "Scrape failed",
 
     "browse.title": "File browser",
     "browse.play": "Play",
diff --git a/packages/i18n/src/messages/zh-CN.ts b/packages/i18n/src/messages/zh-CN.ts
index 09a2db0..6a0e9e9 100644
--- a/packages/i18n/src/messages/zh-CN.ts
+++ b/packages/i18n/src/messages/zh-CN.ts
@@ -76,11 +76,39 @@ export const zhCN = {
         "搜索并选定作品后，该文件夹下所有视频将绑定为同一作品，集数按文件名自动解析。",
     "library.backToList": "返回媒体库",
     "library.continueTitle": "继续观看",
+    "library.removeContinue": "移除",
+    "library.confirmRemoveContinue": "确认移除",
+    "library.clearContinue": "清除全部",
+    "library.confirmClearContinue": "确认清除",
+    "library.removedToast": "已移除观看记录",
+    "library.clearedToast": "已清除全部观看记录",
+    "library.removeError": "移除记录失败，请重试",
+    "library.clearError": "清除记录失败，请重试",
+    "library.manageGroup": "管理",
+    "library.groupManageTitle": "作品管理",
+    "library.editInfo": "编辑信息",
+    "library.editTitleLabel": "标题",
+    "library.posterLabel": "封面链接",
+    "library.posterPlaceholder": "粘贴封面图片 URL，留空即清除",
+    "library.save": "保存",
+    "library.saved": "已保存",
+    "library.unbind": "取消匹配",
+    "library.confirmUnbind": "确认取消匹配",
+    "library.unbound": "已取消匹配，条目保留在库中",
+    "library.deleteGroup": "删除记录",
+    "library.confirmDeleteGroup": "确认删除",
+    "library.groupDeleted": "已删除作品记录",
+    "library.rematch": "重新匹配",
+    "library.groupOpError": "操作失败，请重试",
+    "library.groupOpHint":
+        "取消匹配会把该作品移出海报墙但保留条目；删除会移除组内全部条目与观看进度（不删网盘文件）。",
     "library.matched": "已匹配成功",
     "library.autoScanning": "正在自动扫描已挂载目录并入库…",
     "library.noResults": "没有匹配「{q}」的结果",
     "library.filterEmpty": "当前筛选下没有条目，试试切换筛选条件",
     "library.clearSearch": "清除搜索",
+    "library.statusPending": "待刮削",
+    "library.statusFailed": "刮削失败",
 
     "browse.title": "文件浏览",
     "browse.play": "播放",
diff --git a/packages/trpc/src/router/media.router.ts b/packages/trpc/src/router/media.router.ts
index cf5864a..9caef74 100644
--- a/packages/trpc/src/router/media.router.ts
+++ b/packages/trpc/src/router/media.router.ts
@@ -55,6 +55,19 @@ export const mediaRouter = t.router({
         .query(({ ctx, input }) =>
             libraryService.series(ctx.userId, input.bangumiId, input.mountId),
         ),
+    libraryDeleteGroup: protectedProcedure
+        .input(librarySchemas.deleteGroup)
+        .mutation(({ ctx, input }) =>
+            libraryService.deleteGroup(ctx.userId, input.mountId, input.bangumiId),
+        ),
+    libraryUpdateGroup: protectedProcedure
+        .input(librarySchemas.updateGroup)
+        .mutation(({ ctx, input }) =>
+            libraryService.updateGroup(ctx.userId, input.mountId, input.bangumiId, {
+                title: input.title,
+                posterUrl: input.posterUrl,
+            }),
+        ),
 
     scrapeSearch: protectedProcedure
         .input(scrapeSchemas.search)
@@ -84,6 +97,16 @@ export const mediaRouter = t.router({
         .mutation(({ ctx, input }) =>
             scrapeService.rescrapePath(ctx.userId, input.mountId, input.path),
         ),
+    scrapeUnbindGroup: protectedProcedure
+        .input(scrapeSchemas.unbindGroup)
+        .mutation(({ ctx, input }) =>
+            scrapeService.unbindGroup(ctx.userId, input.mountId, input.bangumiId),
+        ),
+    scrapeBindGroup: protectedProcedure
+        .input(scrapeSchemas.bindGroup)
+        .mutation(({ ctx, input }) =>
+            scrapeService.bindGroup(ctx.userId, input.mountId, input.bangumiId, input.newBangumiId),
+        ),
 
     playbackReport: protectedProcedure
         .input(playbackSchemas.report)
@@ -94,6 +117,12 @@ export const mediaRouter = t.router({
     playbackContinue: protectedProcedure
         .input(playbackSchemas.continueList)
         .query(({ ctx, input }) => playbackService.continueList(ctx.userId, input.limit)),
+    playbackDelete: protectedProcedure
+        .input(playbackSchemas.remove)
+        .mutation(({ ctx, input }) => playbackService.remove(ctx.userId, input.mediaItemId)),
+    playbackClear: protectedProcedure
+        .input(playbackSchemas.clear)
+        .mutation(({ ctx }) => playbackService.clearAll(ctx.userId)),
 
     danmakuFetch: protectedProcedure
         .input(danmakuSchemas.fetch)
diff --git a/packages/trpc/src/services/library.service.test.ts b/packages/trpc/src/services/library.service.test.ts
new file mode 100644
index 0000000..7cd6955
--- /dev/null
+++ b/packages/trpc/src/services/library.service.test.ts
@@ -0,0 +1,50 @@
+import { describe, expect, it } from "vitest";
+import { dedupeSameFileRows } from "./library.service.js";
+
+function ep(path: string, epNumber: number | null, rawName: string) {
+    return { path, epNumber, rawName };
+}
+
+describe("dedupeSameFileRows", () => {
+    it("网盘别名双路径（一条是另一条的路径后缀子树）只保留短路径", () => {
+        const rows = [
+            ep("/外接存储-TOSHIBA MQ01ABF050/QB/剧A/Season 1/E01.mp4", 1, "E01.mp4"),
+            ep("/剧A/Season 1/E01.mp4", 1, "E01.mp4"),
+        ];
+        const out = dedupeSameFileRows(rows);
+        expect(out).toHaveLength(1);
+        expect(out[0]?.path).toBe("/剧A/Season 1/E01.mp4");
+    });
+
+    it("不同子树的同名文件不去重", () => {
+        const rows = [ep("/剧A/01.mp4", 1, "01.mp4"), ep("/剧B/01.mp4", 1, "01.mp4")];
+        expect(dedupeSameFileRows(rows)).toHaveLength(2);
+    });
+
+    it("同 path 重复行只留一条", () => {
+        const rows = [ep("/剧A/01.mp4", 1, "01.mp4"), ep("/剧A/01.mp4", 1, "01.mp4")];
+        expect(dedupeSameFileRows(rows)).toHaveLength(1);
+    });
+
+    it("按集数升序返回，未标集数排最后", () => {
+        const rows = [
+            ep("/剧A/E03.mp4", 3, "E03.mp4"),
+            ep("/剧A/E01.mp4", 1, "E01.mp4"),
+            ep("/剧A/SP.mp4", null, "SP.mp4"),
+        ];
+        const out = dedupeSameFileRows(rows);
+        expect(out.map((r) => r.epNumber)).toEqual([1, 3, null]);
+    });
+
+    it("多集双路径：每集只留一条", () => {
+        const rows = [
+            ep("/QB/剧A/E01.mp4", 1, "E01.mp4"),
+            ep("/剧A/E01.mp4", 1, "E01.mp4"),
+            ep("/QB/剧A/E02.mp4", 2, "E02.mp4"),
+            ep("/剧A/E02.mp4", 2, "E02.mp4"),
+        ];
+        const out = dedupeSameFileRows(rows);
+        expect(out).toHaveLength(2);
+        expect(out.map((r) => r.path)).toEqual(["/剧A/E01.mp4", "/剧A/E02.mp4"]);
+    });
+});
diff --git a/packages/trpc/src/services/library.service.ts b/packages/trpc/src/services/library.service.ts
index 348a58a..0ee139a 100644
--- a/packages/trpc/src/services/library.service.ts
+++ b/packages/trpc/src/services/library.service.ts
@@ -1,6 +1,6 @@
 import { TRPCError } from "@trpc/server";
 import { mediaItemDao, mountDao, playbackProgressDao, type MediaItemRow } from "@app/dao";
-import type { LibraryGroupPage } from "@app/types";
+import { parseEpisodeFromFilename, type LibraryGroupPage } from "@app/types";
 import { decryptSecret } from "./secret.js";
 import { createWebdav, isVideoFilename, joinWebdavPath, listDirectory } from "./webdav-client.js";
 import { scrapeService } from "./scrape.service.js";
@@ -58,6 +58,33 @@ async function walkVideos(
     }
 }
 
+/**
+ * 同一物理文件被多个路径入口扫描入库时（网盘别名/快捷方式：一条 path 是另一条的
+ * 路径后缀子树，或跨挂载同 path），剧集列表会一行一路径地重复展示。
+ * 按路径包含关系去重：保留更靠近根的短路径，另一入口不再重复出现。
+ */
+export function dedupeSameFileRows<
+    T extends { path: string; epNumber: number | null; rawName: string },
+>(rows: readonly T[]): T[] {
+    const byPathLen = [...rows].sort((a, b) => a.path.length - b.path.length);
+    const kept: T[] = [];
+    for (const row of byPathLen) {
+        const isDup = kept.some(
+            (k) =>
+                k.path === row.path ||
+                (row.path.length > k.path.length
+                    ? row.path.endsWith(k.path)
+                    : k.path.endsWith(row.path)),
+        );
+        if (!isDup) kept.push(row);
+    }
+    return kept.sort(
+        (a, b) =>
+            (a.epNumber ?? Number.MAX_SAFE_INTEGER) - (b.epNumber ?? Number.MAX_SAFE_INTEGER) ||
+            a.rawName.localeCompare(b.rawName),
+    );
+}
+
 export const libraryService = {
     /** 惰性兜底：挂载删除后残留的孤儿条目/进度（级联为主，这里清历史脏数据） */
     async cleanupOrphans(): Promise<void> {
@@ -76,7 +103,16 @@ export const libraryService = {
         },
     ) {
         await this.cleanupOrphans();
-        return mediaItemDao.list(userId, params);
+        const page = await mediaItemDao.list(userId, params);
+        // 集数正则兜底：历史 null 行读时补齐，展示/排序不再出现无集数
+        return {
+            ...page,
+            rows: page.rows.map((row) =>
+                row.epNumber == null
+                    ? { ...row, epNumber: parseEpisodeFromFilename(row.rawName) }
+                    : row,
+            ),
+        };
     },
 
     /** 海报墙：指定挂载下已刮削条目按 bangumiId 分组的分页摘要（剧集详情按需走 series） */
@@ -115,21 +151,57 @@ export const libraryService = {
     /** 同作品剧集（按集数升序）；mountId 可选：库内详情只看该挂载，播放页不传跨挂载 */
     async series(userId: string, bangumiId: number, mountId?: string | undefined) {
         await this.cleanupOrphans();
-        const rows = await mediaItemDao.listByBangumiId(userId, bangumiId, mountId);
+        const rows = dedupeSameFileRows(
+            await mediaItemDao.listByBangumiId(userId, bangumiId, mountId),
+        );
         const first = rows[0];
+        // 单集无封面时回退继承组内任一非空封面
+        const posterUrl =
+            first?.posterUrl ?? rows.find((row) => row.posterUrl != null)?.posterUrl ?? null;
         return {
             bangumiId,
             title: first?.title ?? "",
-            posterUrl: first?.posterUrl ?? null,
+            posterUrl,
             episodes: rows.map((row) => ({
                 id: row.id,
                 title: row.title,
-                epNumber: row.epNumber,
+                // 落库值优先，null 时读时用同一套正则从文件名解析
+                epNumber: row.epNumber ?? parseEpisodeFromFilename(row.rawName),
                 rawName: row.rawName,
             })),
         };
     },
 
+    /** 海报墙组级删除：物理删除该挂载下组内全部条目，级联清观看进度（不碰挂载内实际文件） */
+    async deleteGroup(
+        userId: string,
+        mountId: string,
+        bangumiId: number,
+    ): Promise<{ removed: number }> {
+        const mount = await mountDao.getByIdForUser(mountId, userId);
+        if (!mount) throw new TRPCError({ code: "NOT_FOUND", message: "挂载不存在" });
+        const removedIds = await mediaItemDao.deleteByBangumi(userId, mountId, bangumiId);
+        if (removedIds.length === 0) {
+            throw new TRPCError({ code: "NOT_FOUND", message: "作品组不存在" });
+        }
+        await playbackProgressDao.deleteByMediaItems(removedIds);
+        return { removed: removedIds.length };
+    },
+
+    /** 海报墙组级编辑：批量更新组内显示标题 / 封面 */
+    async updateGroup(
+        userId: string,
+        mountId: string,
+        bangumiId: number,
+        input: { title?: string | undefined; posterUrl?: string | null | undefined },
+    ): Promise<{ updated: number }> {
+        const mount = await mountDao.getByIdForUser(mountId, userId);
+        if (!mount) throw new TRPCError({ code: "NOT_FOUND", message: "挂载不存在" });
+        const updated = await mediaItemDao.updateGroupMeta(userId, mountId, bangumiId, input);
+        if (updated === 0) throw new TRPCError({ code: "NOT_FOUND", message: "作品组不存在" });
+        return { updated };
+    },
+
     async scan(
         userId: string,
         mountId: string,
diff --git a/packages/trpc/src/services/playback.service.ts b/packages/trpc/src/services/playback.service.ts
index 245ab60..62fd182 100644
--- a/packages/trpc/src/services/playback.service.ts
+++ b/packages/trpc/src/services/playback.service.ts
@@ -32,14 +32,26 @@ export const playbackService = {
     /** 未看完的最近条目，供首页/媒体库「继续观看」入口 */
     async continueList(userId: string, limit: number): Promise<ContinueItem[]> {
         const rows = await playbackProgressDao.listUnfinished(userId, limit);
+        // 单集无封面时回退继承父级（同 bangumiId 组）封面；同组只查一次
+        const groupPoster = new Map<number, string | null>();
         const out: ContinueItem[] = [];
         for (const row of rows) {
             const item = await mediaItemDao.getByIdForUser(row.mediaItemId, userId);
             if (!item) continue;
+            let posterUrl = item.posterUrl;
+            if (!posterUrl && item.bangumiId != null) {
+                if (!groupPoster.has(item.bangumiId)) {
+                    groupPoster.set(
+                        item.bangumiId,
+                        await mediaItemDao.findGroupPoster(userId, item.bangumiId),
+                    );
+                }
+                posterUrl = groupPoster.get(item.bangumiId) ?? null;
+            }
             out.push({
                 mediaItemId: item.id,
                 title: item.title,
-                posterUrl: item.posterUrl,
+                posterUrl,
                 positionMs: row.positionMs,
                 durationMs: row.durationMs,
                 updatedAt: row.updatedAt.toISOString(),
@@ -47,4 +59,14 @@ export const playbackService = {
         }
         return out;
     },
+    /** 移除单条观看记录 */
+    async remove(userId: string, mediaItemId: string) {
+        const removed = await playbackProgressDao.remove(userId, mediaItemId);
+        return { mediaItemId, removed };
+    },
+    /** 清除当前用户全部观看记录 */
+    async clearAll(userId: string) {
+        const cleared = await playbackProgressDao.clearByUser(userId);
+        return { cleared };
+    },
 };
diff --git a/packages/trpc/src/services/scrape.service.ts b/packages/trpc/src/services/scrape.service.ts
index 005b04c..a818287 100644
--- a/packages/trpc/src/services/scrape.service.ts
+++ b/packages/trpc/src/services/scrape.service.ts
@@ -1,6 +1,6 @@
 import { TRPCError } from "@trpc/server";
 import { mediaItemDao } from "@app/dao";
-import type { BatchResult, DanmakuMatchOutput } from "@app/types";
+import { parseEpisodeFromFilename, type BatchResult, type DanmakuMatchOutput } from "@app/types";
 import {
     hasOpenCredentials,
     matchFileName,
@@ -9,25 +9,8 @@ import {
     remoteFileHash,
 } from "./danmaku.service.js";
 
-/** 从文件名提取集数：SxxExx / - NN / EPxx / 第N集·话 / [NN] / Exx */
-export function parseEpisodeFromFilename(name: string): number | null {
-    const s = name.replace(/\.[a-z0-9]+$/i, "");
-    const patterns: RegExp[] = [
-        /S\d{1,2}\s*E(\d{1,3})/i,
-        /(?:^|[\s\-_[·])EP?(\d{1,4})(?:[\s\-_\]·]|$)/i,
-        /第\s*(\d{1,4})\s*[集话話]/,
-        /\[(\d{1,3})\]/,
-        /\s-\s(\d{2,3})(?:\s|$|v\d)/i,
-    ];
-    for (const re of patterns) {
-        const m = s.match(re);
-        if (m?.[1]) {
-            const n = Number.parseInt(m[1], 10);
-            if (Number.isFinite(n)) return n;
-        }
-    }
-    return null;
-}
+/** 集数解析统一走 @app/types（前后端共用同一套正则）；此处再导出保持旧入口可用 */
+export { parseEpisodeFromFilename };
 
 /** 从文件名剥出作品检索词：去扩展名/字幕组/集数/分辨率等噪声 */
 export function buildSearchQuery(filename: string): string {
@@ -337,10 +320,22 @@ export const scrapeService = {
     /** 扫描后自动刮削：择优候选，低置信留 unmatched */
     async autoScrape(userId: string, mediaItemId: string): Promise<void> {
         const row = await mediaItemDao.getByIdForUser(mediaItemId, userId);
-        if (!row || row.scrapeStatus === "ok") return;
+        if (!row) return;
+        // 集数始终用正则兜底补齐（含历史 null 行），无论刮削结果如何都尝试落库
+        const epNumber = row.epNumber ?? parseEpisodeFromFilename(row.rawName);
+        if (row.scrapeStatus === "ok") {
+            if (epNumber !== row.epNumber) {
+                await mediaItemDao.updateScrape(mediaItemId, userId, {
+                    epNumber,
+                    scrapeStatus: row.scrapeStatus,
+                });
+            }
+            return;
+        }
         const q = buildSearchQuery(row.rawName);
         if (!q) {
             await mediaItemDao.updateScrape(mediaItemId, userId, {
+                epNumber,
                 scrapeStatus: "unmatched",
                 scrapedAt: new Date(),
             });
@@ -352,6 +347,7 @@ export const scrapeService = {
             hits = await bangumiSearch(q);
         } catch {
             await mediaItemDao.updateScrape(mediaItemId, userId, {
+                epNumber,
                 scrapeStatus: "failed",
                 scrapedAt: new Date(),
             });
@@ -369,6 +365,7 @@ export const scrapeService = {
         }
         if (!best || bestScore < AUTO_BIND_THRESHOLD) {
             await mediaItemDao.updateScrape(mediaItemId, userId, {
+                epNumber,
                 scrapeStatus: "unmatched",
                 scrapedAt: new Date(),
             });
@@ -380,7 +377,7 @@ export const scrapeService = {
             scrapedAt: new Date(),
             posterUrl: best.image || null,
             title: best.nameCn || best.name,
-            epNumber: parseEpisodeFromFilename(row.rawName),
+            epNumber,
         });
     },
 
@@ -405,4 +402,48 @@ export const scrapeService = {
             message: `批量刮削完成：成功 ${bound}，跳过已绑定 ${skipped}`,
         };
     },
+
+    /** 组级取消匹配：清作品绑定与弹弹play 身份、改回 unmatched（保留入库条目、标题与封面） */
+    async unbindGroup(
+        userId: string,
+        mountId: string,
+        bangumiId: number,
+    ): Promise<{ updated: number }> {
+        const rows = await mediaItemDao.listByBangumiId(userId, bangumiId, mountId);
+        if (rows.length === 0) throw new TRPCError({ code: "NOT_FOUND", message: "作品组不存在" });
+        for (const row of rows) {
+            await mediaItemDao.updateScrape(row.id, userId, {
+                bangumiId: null,
+                epNumber: null,
+                dandanplayEpisodeId: null,
+                matchedHash: null,
+                scrapeStatus: "unmatched",
+                scrapedAt: null,
+            });
+        }
+        return { updated: rows.length };
+    },
+
+    /** 组级重新匹配：整组改绑另一作品，标题封面按新作品元数据刷新，集数沿用文件解析值 */
+    async bindGroup(
+        userId: string,
+        mountId: string,
+        bangumiId: number,
+        newBangumiId: number,
+    ): Promise<{ updated: number; title: string | null; posterUrl: string | null }> {
+        const rows = await mediaItemDao.listByBangumiId(userId, bangumiId, mountId);
+        if (rows.length === 0) throw new TRPCError({ code: "NOT_FOUND", message: "作品组不存在" });
+        const meta = await fetchSubjectMeta(newBangumiId);
+        for (const row of rows) {
+            await mediaItemDao.updateScrape(row.id, userId, {
+                bangumiId: newBangumiId,
+                scrapeStatus: "ok",
+                scrapedAt: new Date(),
+                posterUrl: meta.posterUrl ?? row.posterUrl,
+                title: meta.title ?? row.title,
+                epNumber: row.epNumber,
+            });
+        }
+        return { updated: rows.length, title: meta.title, posterUrl: meta.posterUrl };
+    },
 };
diff --git a/packages/types/src/episode.test.ts b/packages/types/src/episode.test.ts
new file mode 100644
index 0000000..7116d4c
--- /dev/null
+++ b/packages/types/src/episode.test.ts
@@ -0,0 +1,42 @@
+import { describe, expect, it } from "vitest";
+import { parseEpisodeFromFilename } from "./episode.js";
+
+describe("parseEpisodeFromFilename", () => {
+    it("S01E03", () => {
+        expect(parseEpisodeFromFilename("TRIGUN STARGAZE S01E03.mp4")).toBe(3);
+        expect(parseEpisodeFromFilename("Show.S01E02.1080p.mkv")).toBe(2);
+    });
+    it("字幕组前缀 + ' - 01'", () => {
+        expect(
+            parseEpisodeFromFilename("[Ani] TRIGUN STARGAZE - 01 [1080P][Baha][WEB-DL].mp4"),
+        ).toBe(1);
+        expect(parseEpisodeFromFilename("[Group] Title - 05 [1080p].mkv")).toBe(5);
+    });
+    it("方括号集数", () => {
+        expect(
+            parseEpisodeFromFilename("[orion origin] Trigun Stargaze [03] [1080p][H265].mp4"),
+        ).toBe(3);
+        expect(parseEpisodeFromFilename("[Sub] Title [01][1080p].mkv")).toBe(1);
+    });
+    it("EPxx / Exx", () => {
+        expect(parseEpisodeFromFilename("Title EP03.mkv")).toBe(3);
+        expect(parseEpisodeFromFilename("Title E03.mkv")).toBe(3);
+    });
+    it("第N集·话", () => {
+        expect(parseEpisodeFromFilename("进击的巨人 第12集.mkv")).toBe(12);
+        expect(parseEpisodeFromFilename("进击的巨人 第12话.mkv")).toBe(12);
+    });
+    it("裸数字", () => {
+        expect(parseEpisodeFromFilename("Title 12.mkv")).toBe(12);
+        expect(parseEpisodeFromFilename("Title.12.1080p.mkv")).toBe(12);
+        expect(parseEpisodeFromFilename("Title 12v2.mkv")).toBe(12);
+    });
+    it("不误判分辨率/年份/编码", () => {
+        expect(parseEpisodeFromFilename("Movie.2023.1080p.x264.mkv")).toBeNull();
+        expect(parseEpisodeFromFilename("Movie 1080p.mkv")).toBeNull();
+        expect(parseEpisodeFromFilename("[Group] Title [1080p].mkv")).toBeNull();
+    });
+    it("无集数信息返回 null", () => {
+        expect(parseEpisodeFromFilename("Movie.mkv")).toBeNull();
+    });
+});
diff --git a/packages/types/src/episode.ts b/packages/types/src/episode.ts
new file mode 100644
index 0000000..293ecdd
--- /dev/null
+++ b/packages/types/src/episode.ts
@@ -0,0 +1,25 @@
+/**
+ * 从文件名提取集数（前后端共用的唯一正则源）。
+ * 模式优先级：SxxExx → EPxx/Exx → 第N集·话 → [NN] → " - NN" → 裸数字。
+ */
+export function parseEpisodeFromFilename(name: string): number | null {
+    const s = name.replace(/\.[a-z0-9]+$/i, "");
+    const patterns: RegExp[] = [
+        /S\d{1,2}\s*E(\d{1,3})/i,
+        /(?:^|[\s\-_[·])EP?(\d{1,4})(?:[\s\-_\]·]|$)/i,
+        /第\s*(\d{1,4})\s*[集话話]/,
+        /\[(\d{1,3})\]/,
+        /\s-\s(\d{2,3})(?:\s|$|v\d)/i,
+        // 裸数字（"Title 12" / "Title.12.1080p"）：数字串后必须跟分隔符或结尾，
+        // 避免吞掉 1080/2023/264 这类 4 位以上数字串的中段
+        /(?:^|[\s.-])(\d{1,3})(?:v\d)?(?=[\s.-]|$)/,
+    ];
+    for (const re of patterns) {
+        const m = s.match(re);
+        if (m?.[1]) {
+            const n = Number.parseInt(m[1], 10);
+            if (Number.isFinite(n)) return n;
+        }
+    }
+    return null;
+}
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index cf3651d..4d3b444 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -2,3 +2,4 @@
 export * from "./schemas.js";
 export * from "./media-schemas.js";
 export * from "./media-fs.js";
+export * from "./episode.js";
diff --git a/packages/types/src/media-schemas.test.ts b/packages/types/src/media-schemas.test.ts
index 8841623..7e5777d 100644
--- a/packages/types/src/media-schemas.test.ts
+++ b/packages/types/src/media-schemas.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from "vitest";
-import { mountSchemas, playbackSchemas, scrapeSchemas } from "./media-schemas.js";
+import { librarySchemas, mountSchemas, playbackSchemas, scrapeSchemas } from "./media-schemas.js";
 
 describe("mountSchemas.create", () => {
     it("拒绝缺 baseUrl", () => {
@@ -38,3 +38,55 @@ describe("playbackSchemas.report", () => {
         ).toBe(false);
     });
 });
+
+describe("playbackSchemas.remove / clear", () => {
+    it("remove 需要 mediaItemId", () => {
+        expect(playbackSchemas.remove.safeParse({ mediaItemId: "m1" }).success).toBe(true);
+        expect(playbackSchemas.remove.safeParse({}).success).toBe(false);
+    });
+    it("clear 空对象即可", () => {
+        expect(playbackSchemas.clear.safeParse({}).success).toBe(true);
+    });
+});
+
+describe("海报墙组级操作 schema", () => {
+    it("deleteGroup 需要 mountId + bangumiId", () => {
+        const ok = librarySchemas.deleteGroup.safeParse({ mountId: "m", bangumiId: 1 });
+        expect(ok.success).toBe(true);
+        expect(librarySchemas.deleteGroup.safeParse({ mountId: "m" }).success).toBe(false);
+    });
+    it("updateGroup 至少改一项", () => {
+        expect(librarySchemas.updateGroup.safeParse({ mountId: "m", bangumiId: 1 }).success).toBe(
+            false,
+        );
+        expect(
+            librarySchemas.updateGroup.safeParse({ mountId: "m", bangumiId: 1, title: "新标题" })
+                .success,
+        ).toBe(true);
+        expect(
+            librarySchemas.updateGroup.safeParse({
+                mountId: "m",
+                bangumiId: 1,
+                posterUrl: null,
+            }).success,
+        ).toBe(true);
+        expect(
+            librarySchemas.updateGroup.safeParse({ mountId: "m", bangumiId: 1, title: "" }).success,
+        ).toBe(false);
+    });
+    it("unbindGroup / bindGroup 参数校验", () => {
+        expect(scrapeSchemas.unbindGroup.safeParse({ mountId: "m", bangumiId: 1 }).success).toBe(
+            true,
+        );
+        expect(
+            scrapeSchemas.bindGroup.safeParse({
+                mountId: "m",
+                bangumiId: 1,
+                newBangumiId: 2,
+            }).success,
+        ).toBe(true);
+        expect(scrapeSchemas.bindGroup.safeParse({ mountId: "m", bangumiId: 1 }).success).toBe(
+            false,
+        );
+    });
+});
diff --git a/packages/types/src/media-schemas.ts b/packages/types/src/media-schemas.ts
index 9b650f9..6bda883 100644
--- a/packages/types/src/media-schemas.ts
+++ b/packages/types/src/media-schemas.ts
@@ -65,6 +65,22 @@ export const librarySchemas = {
         bangumiId: z.number().int().positive(),
         mountId: id.optional(),
     }),
+    /** 海报墙组级删除：物理删除该挂载下组内全部条目（含观看进度级联清理） */
+    deleteGroup: z.object({
+        mountId: id,
+        bangumiId: z.number().int().positive(),
+    }),
+    /** 海报墙组级编辑：批量改显示标题 / 封面（至少改一项） */
+    updateGroup: z
+        .object({
+            mountId: id,
+            bangumiId: z.number().int().positive(),
+            title: z.string().min(1, "标题不能为空").max(200).optional(),
+            posterUrl: z.string().max(2000).nullable().optional(),
+        })
+        .refine((v) => v.title !== undefined || v.posterUrl !== undefined, {
+            message: "没有需要更新的字段",
+        }),
 };
 
 export type LibraryGroup = {
@@ -119,6 +135,10 @@ export const playbackSchemas = {
     continueList: z.object({
         limit: z.number().int().min(1).max(20).default(6),
     }),
+    /** 移除单条观看记录 */
+    remove: z.object({ mediaItemId: id }),
+    /** 清除当前用户全部观看记录 */
+    clear: z.object({}),
 };
 
 export const scrapeSchemas = {
@@ -143,6 +163,17 @@ export const scrapeSchemas = {
         mountId: id,
         path: z.string().min(1).max(2000),
     }),
+    /** 海报墙组级取消匹配：改回未匹配、移出海报墙（保留入库条目） */
+    unbindGroup: z.object({
+        mountId: id,
+        bangumiId: z.number().int().positive(),
+    }),
+    /** 海报墙组级重新匹配：整组改绑另一 Bangumi 作品 */
+    bindGroup: z.object({
+        mountId: id,
+        bangumiId: z.number().int().positive(),
+        newBangumiId: z.number().int().positive(),
+    }),
 };
 
 export const danmakuSchemas = {