feat(repair): 新增全库修复+重刮入口，剧集类路径正确归类

- 服务层 RepairAndRescrapeAllLibraries：先从路径占位符回填缺失/错误外部ID，再逐库重刮(含 no_match 重试)
- 新增 handler 与路由 POST /api/admin/media/repair-rescrape，异步执行经 WS 推送进度
- 前端媒体库页新增「全库修复+重刮」按钮调用该接口
- groupSeries：路径落在剧集类目录(电视剧/动漫/特别篇等)时按剧集卡处理，跳转分类视图

web/src/api/tools.ts

@@ -96,4 +96,12 @@ export const toolsAPI = {
     api
       .post<{ message: string }>('/admin/notify/test', { title, body })
       .then((r) => r.data),
+
+  // repairAndRescrapeAll 触发「全库修复+重刮」：先从媒体路径中的
+  // {tmdb-N}/{bangumi-N} 占位符回填缺失/错误的外部 ID，再批量重刮整库。
+  // 后端异步执行，立即返回；进度通过 WS "scrape" topic 推送。
+  repairAndRescrapeAll: () =>
+    api
+      .post<{ status: string }>('/admin/media/repair-rescrape', {})
+      .then((r) => r.data),
 }

web/src/pages/LibrariesPage.tsx

@@ -1,10 +1,11 @@
 import { useEffect, useMemo, useState, type ReactNode } from 'react'
 import { Link } from 'react-router-dom'
 import { motion } from 'framer-motion'
-import { ArrowRight, Film, FolderOpen, Library as LibraryIcon, Music, PlayCircle, Tv } from 'lucide-react'
+import { ArrowRight, Film, FolderOpen, Library as LibraryIcon, Music, PlayCircle, RefreshCw, Tv } from 'lucide-react'
 
 import { imageURL } from '../api/client'
 import { libraryAPI } from '../api/library'
+import { toolsAPI } from '../api/tools'
 import { MediaCard } from '../components/MediaCard'
 import type { Library, Media } from '../types'
 import { artworkScore, groupSeries, seriesCardLink, type SeriesCard } from '../utils/groupSeries'
@@ -35,6 +36,22 @@ const TYPE_LABELS: Record<string, string> = {
 export function LibrariesPage() {
   const [previews, setPreviews] = useState<LibraryPreview[]>([])
   const [loading, setLoading] = useState(true)
+  const [repairing, setRepairing] = useState(false)
+  const [repairMsg, setRepairMsg] = useState('')
+
+  async function handleRepairRescrape() {
+    if (repairing) return
+    setRepairing(true)
+    setRepairMsg('')
+    try {
+      await toolsAPI.repairAndRescrapeAll()
+      setRepairMsg('已开始全库修复+重刮，进度可在任务中查看。')
+    } catch {
+      setRepairMsg('启动失败，请稍后重试。')
+    } finally {
+      setRepairing(false)
+    }
+  }
 
   useEffect(() => {
     let cancelled = false
@@ -75,10 +92,23 @@ export function LibrariesPage() {
             共 {previews.length} 个目录 · {total.toLocaleString()} 个条目。每个目录直接展示最新入库内容。
           </p>
         </div>
-        <Link to="/admin" className="btn-outline">
-          管理媒体库
-          <ArrowRight size={14} />
-        </Link>
+        <div className="flex flex-wrap items-center gap-3">
+          {repairMsg && <span className="text-xs text-ink-50">{repairMsg}</span>}
+          <button
+            type="button"
+            onClick={handleRepairRescrape}
+            disabled={repairing}
+            className="btn-outline disabled:cursor-not-allowed disabled:opacity-60"
+            title="从媒体路径回填缺失/错误的外部 ID，再批量重刮整库"
+          >
+            <RefreshCw size={14} className={repairing ? 'animate-spin' : ''} />
+            {repairing ? '正在启动…' : '全库修复+重刮'}
+          </button>
+          <Link to="/admin" className="btn-outline">
+            管理媒体库
+            <ArrowRight size={14} />
+          </Link>
+        </div>
       </div>
 
       {previews.length === 0 ? (

web/src/utils/groupSeries.ts

@@ -38,8 +38,24 @@ export function isEpisodeLike(media: Media): boolean {
   return (media.season_num ?? 0) > 0 || (media.episode_num ?? 0) > 0
 }
 
+// 剧集类目录名(电视剧/动漫及其二级分类)。媒体路径落在这些目录下时, 即便
+// 季集号未识别出来, 也应按剧集对待, 跳转到 /library 分类视图而非 /media 单页。
+const EPISODIC_PATH_RE =
+  /[\\/](?:电视剧|剧集|国产剧|欧美剧|日韩剧|日剧|韩剧|综艺|纪录片|动漫|番剧|国漫|日番|儿童|tv|series|shows?|season[\s._-]*\d|s\d{1,2}(?:[\s._-]|[\\/])|specials?|sp|ova|oad|特别篇|特別篇|番外|特典)[\\/]/i
+
+function pathLooksEpisodic(media: Media): boolean {
+  const path = (media.path || media.display_library_path || media.library_path || '')
+  return EPISODIC_PATH_RE.test(path)
+}
+
 export function isSeriesCard(card: SeriesCard): boolean {
-  return card.count > 1 || isEpisodeLike(card.rep) || isEpisodeLike(card.linkMedia)
+  return (
+    card.count > 1 ||
+    isEpisodeLike(card.rep) ||
+    isEpisodeLike(card.linkMedia) ||
+    pathLooksEpisodic(card.rep) ||
+    pathLooksEpisodic(card.linkMedia)
+  )
 }
 
 export function seriesTitle(media: Media): string {