优化支持0.5集

web/src/components/MetadataEditDialog.tsx

@@ -4,6 +4,7 @@ import toast from 'react-hot-toast'
 
 import { mediaAPI, type MediaMetadataUpdate } from '../api/library'
 import type { Media } from '../types'
+import { formatEpisodeNumber } from '../utils/episodeNumber'
 
 interface MetadataEditDialogProps {
   open: boolean
@@ -58,7 +59,7 @@ export function MetadataEditDialog({
       release_date: media.release_date || '',
       rating: media.rating > 0 ? String(media.rating) : '',
       season_num: media.season_num > 0 || media.episode_num > 0 ? String(media.season_num || 0) : '',
-      episode_num: media.episode_num > 0 ? String(media.episode_num) : '',
+      episode_num: media.episode_num > 0 ? formatEpisodeNumber(media) : '',
       tmdb_id: media.tmdb_id > 0 ? String(media.tmdb_id) : '',
       bangumi_id: media.bangumi_id > 0 ? String(media.bangumi_id) : '',
       douban_id: media.douban_id || '',
@@ -105,7 +106,11 @@ export function MetadataEditDialog({
     if (!isSeries) {
       payload.original_name = form.original_name
       payload.season_num = Math.trunc(toNumber(form.season_num))
-      payload.episode_num = Math.trunc(toNumber(form.episode_num))
+      // 「集」输入框接受 11.5 这种半集写法：整数部分进 episode_num，
+      // 小数部分单独进 episode_fraction，避免保存后变成整集或残留小数。
+      const episodeValue = toNumber(form.episode_num)
+      payload.episode_num = Math.trunc(episodeValue)
+      payload.episode_fraction = Number((episodeValue - Math.trunc(episodeValue)).toFixed(3))
     }
     return payload
   }

web/src/components/PlayerMobileTheaterInfo.tsx

@@ -3,6 +3,7 @@ import type { ReactNode } from 'react'
 import { ChevronDown, Layers, ListVideo } from 'lucide-react'
 
 import type { Media } from '../types'
+import { formatEpisodeLabel, formatEpisodeNumber } from '../utils/episodeNumber'
 import { mediaVersionLabel, mediaVersionMatches } from '../utils/mediaVersion'
 
 // PlayerMobileTheaterInfo — 竖屏剧场模式下视频下方的可滚动内容区。
@@ -38,15 +39,17 @@ type PlayerMobileTheaterInfoProps = {
 }
 
 function episodeShortLabel(ep: Media): string {
-  if (ep.episode_num > 0) return `${ep.episode_num}`
+  const number = formatEpisodeNumber(ep)
+  if (number) return number
   const title = ep.episode_title?.trim() || ep.title?.trim() || ''
   return title ? title.slice(0, 4) : '·'
 }
 
 function episodeFullLabel(ep: Media): string {
-  if (ep.episode_num > 0) {
+  const label = formatEpisodeLabel(ep)
+  if (label) {
     const title = ep.episode_title?.trim()
-    return title && title !== ep.title?.trim() ? `第 ${ep.episode_num} 集 · ${title}` : `第 ${ep.episode_num} 集`
+    return title && title !== ep.title?.trim() ? `${label} · ${title}` : label
   }
   return ep.episode_title?.trim() || ep.title?.trim() || '未命名'
 }

web/src/components/PlayerPlaylistPanel.tsx

@@ -2,6 +2,7 @@ import { useEffect, useMemo, useRef, useState } from 'react'
 import { Check, Cloud, Film, Layers, Play, Search, X } from 'lucide-react'
 
 import type { Media } from '../types'
+import { formatEpisodeLabel, formatEpisodeNumber, episodeNumberValue } from '../utils/episodeNumber'
 import { seasonLabel, seasonSortOrder, seriesTitleFromPath } from '../utils/groupSeries'
 import {
   isStrmMedia,
@@ -72,7 +73,7 @@ export function PlayerPlaylistPanel({
       seasonsMap.get(s)!.push(ep)
     }
     for (const [, list] of seasonsMap) {
-      list.sort((a, b) => (a.episode_num || 0) - (b.episode_num || 0))
+      list.sort((a, b) => episodeNumberValue(a) - episodeNumberValue(b))
     }
     return Array.from(seasonsMap.entries())
       .sort(([a], [b]) => seasonSortOrder(a) - seasonSortOrder(b))
@@ -118,7 +119,7 @@ export function PlayerPlaylistPanel({
     ? listToDisplay.filter((ep) => {
         const query = filterText.trim().toLowerCase()
         const title = (ep.episode_title || ep.title || '').toLowerCase()
-        const epNum = String(ep.episode_num)
+        const epNum = formatEpisodeNumber(ep)
         return title.includes(query) || epNum === query || `e${epNum}`.includes(query) || `第${epNum}集`.includes(query)
       })
     : listToDisplay
@@ -293,7 +294,7 @@ export function PlayerPlaylistPanel({
                 const durationText =
                   ep.duration_sec > 0 ? `${Math.round(ep.duration_sec / 60)} 分钟` : ''
                 const cellTitle = [
-                  ep.episode_num > 0 ? `第 ${ep.episode_num} 集` : '',
+                  formatEpisodeLabel(ep),
                   displayTitle,
                   durationText,
                   versions.length > 0 ? `${versions.length} 个版本` : '',
@@ -316,7 +317,7 @@ export function PlayerPlaylistPanel({
                       {isPlaying ? (
                         <Play size={12} className="fill-current" />
                       ) : ep.episode_num > 0 ? (
-                        ep.episode_num
+                        formatEpisodeNumber(ep)
                       ) : (
                         <Film size={13} className="text-white/45" />
                       )}
@@ -429,7 +430,8 @@ function getEpisodeTitle(ep: Media, siblings: Media[]): string {
     return mediaTitle
   }
 
-  return ep.episode_num > 0 ? `第 ${ep.episode_num} 集` : mediaTitle || title || '未命名'
+  const episodeLabel = formatEpisodeLabel(ep)
+  return episodeLabel || mediaTitle || title || '未命名'
 }
 
 function looksLikeSeriesTitle(ep: Media, title: string, siblings: Media[]): boolean {