feat(danmaku): 支持快捷填入当前片名并优化重新搜索机制

web/src/components/DanmakuStage.tsx

@@ -28,6 +28,8 @@ type DanmakuStageProps = {
   search?: string | null
   /** Explicit danmaku library chosen by the user; null = auto-resolve. */
   episodeId?: number | string | null
+  /** Counter or token changed to trigger refetch even when search stays identical. */
+  searchTrigger?: number
   /** Called after each fetch attempt (success or error) finishes with metadata. */
   onLoaded?: (info: DanmakuLoadedInfo | null) => void
   /** Called when multiple anime matched and the user must pick one. */
@@ -50,6 +52,7 @@ export function DanmakuStage({
   area = 1,
   search = null,
   episodeId = null,
+  searchTrigger = 0,
   onLoaded,
   onCandidates,
 }: DanmakuStageProps) {
@@ -252,8 +255,8 @@ export function DanmakuStage({
       manager.unmount()
       managerRef.current = null
     }
-    // search / episodeId 变化时重新拉取弹幕（含媒体/开关切换）。
+    // search / episodeId / searchTrigger 变化时重新拉取弹幕（含媒体/开关切换）。
-  }, [media, videoRef, enabled, search, episodeId, onLoaded, onCandidates])
+  }, [media, videoRef, enabled, search, episodeId, searchTrigger, onLoaded, onCandidates])
 
   // Live renderer knobs: opacity / area / font size without recreating the
   // engine. font size additionally rescales currently visible comments.

web/src/components/PlayerDanmakuPanel.tsx

@@ -25,6 +25,8 @@ type PlayerDanmakuPanelProps = {
   candidates: DanmakuAnime[]
   /** Human-readable label of the currently selected library. */
   selectedSource?: string
+  /** Title used by auto-matching (e.g. anime title, media title or filename). */
+  autoMatchTitle?: string
   /** Loaded danmaku metadata (title, episode, count, match mode). */
   danmakuInfo?: DanmakuLoadedInfo | null
   onSelectEpisode: (episodeId: number, animeTitle: string, episodeTitle: string) => void
@@ -47,6 +49,7 @@ export function PlayerDanmakuPanel({
   onFontSizeChange,
   candidates,
   selectedSource,
+  autoMatchTitle,
   danmakuInfo,
   onSelectEpisode,
   onResetAuto,
@@ -203,7 +206,19 @@ export function PlayerDanmakuPanel({
 
       {/* 搜索弹幕 */}
       <div className="mb-4">
-        <div className="mb-1 text-xs text-white/60">搜索弹幕（留空 = 按视频名自动匹配）</div>
+        <div className="mb-1 flex items-center justify-between text-xs text-white/60">
+          <span>搜索弹幕（留空 = 按视频名自动匹配）</span>
+          {autoMatchTitle && (
+            <button
+              type="button"
+              onClick={() => setDraft(autoMatchTitle)}
+              className="text-[11px] text-rose-300 transition hover:text-rose-200"
+              title="填入当前识别到的视频名"
+            >
+              填入当前名
+            </button>
+          )}
+        </div>
         <div className="flex items-center gap-1.5">
           <input
             value={draft}
@@ -211,8 +226,8 @@ export function PlayerDanmakuPanel({
             onKeyDown={(e) => {
               if (e.key === 'Enter') onSearch(draft.trim())
             }}
-            placeholder="输入番剧或电影名…"
+            placeholder={autoMatchTitle ? `自动匹配：${autoMatchTitle}` : '输入番剧或电影名…'}
-            className="min-w-0 flex-1 rounded-lg border border-white/15 bg-white/5 px-2.5 py-1.5 text-xs outline-none placeholder:text-white/35 focus:border-rose-400/60"
+            className="min-w-0 flex-1 rounded-lg border border-white/15 bg-white/5 px-2.5 py-1.5 text-xs outline-none placeholder:text-white/40 focus:border-rose-400/60"
           />
           <button
             onClick={() => onSearch(draft.trim())}

web/src/pages/PlayerPage.tsx

@@ -74,6 +74,7 @@ export function PlayerPage() {
   const [danmakuOpen, setDanmakuOpen] = useState(false)
   const [danmakuEnabled, setDanmakuEnabled] = useState(true)
   const [danmakuSearch, setDanmakuSearch] = useState<string | null>(null)
+  const [danmakuSearchTrigger, setDanmakuSearchTrigger] = useState(0)
   const [danmakuSearching, setDanmakuSearching] = useState(false)
   // 用户从候选列表选定的弹幕库；null = 自动匹配。
   const [danmakuEpisodeId, setDanmakuEpisodeId] = useState<number | string | null>(null)
@@ -141,6 +142,7 @@ export function PlayerPage() {
     setDanmakuEpisodeId(null)
     setDanmakuInfo(null)
     setDanmakuSearch(kw || null)
+    setDanmakuSearchTrigger((prev) => prev + 1)
   }, [])
 
   const danmakuLoaded = useCallback((info: DanmakuLoadedInfo | null) => {
@@ -164,6 +166,7 @@ export function PlayerPage() {
     setDanmakuSearching(true)
     // 展示当前所选来源（面板标题处可见）。
     setDanmakuSelectedSource(episodeTitle ? `${animeTitle}・${episodeTitle}` : animeTitle)
+    setDanmakuSearchTrigger((prev) => prev + 1)
   }, [])
 
   // 回到自动匹配（清除用户手动选择）。
@@ -174,6 +177,7 @@ export function PlayerPage() {
     setDanmakuSearch(null)
     setDanmakuSelectedSource('')
     setDanmakuInfo(null)
+    setDanmakuSearchTrigger((prev) => prev + 1)
   }, [])
 
   // 切换视频时重置媒体与弹幕状态，确保新视频自动重新识别并加载弹幕
@@ -549,6 +553,12 @@ export function PlayerPage() {
     toast.error('视频播放失败，请检查文件是否存在')
   }, [directOnly, hlsUnavailable, media, mode, params, setParams])
 
+  const danmakuAutoTitle =
+    danmakuInfo?.animeTitle ||
+    media?.original_name?.trim() ||
+    media?.title?.trim() ||
+    ''
+
   return (
     <div className="relative flex h-full w-full flex-1 flex-col overflow-hidden bg-black">
       <PlayerTopBar
@@ -580,6 +590,7 @@ export function PlayerPage() {
         danmakuArea={danmakuArea}
         danmakuSearch={danmakuSearch}
         danmakuEpisodeId={danmakuEpisodeId}
+        danmakuSearchTrigger={danmakuSearchTrigger}
         danmakuOpen={danmakuOpen}
         onToggleDanmaku={toggleDanmakuOpen}
         onDanmakuLoaded={danmakuLoaded}
@@ -619,6 +630,7 @@ export function PlayerPage() {
             onFontSizeChange={setDanmakuFontSize}
             candidates={danmakuCandidates}
             selectedSource={danmakuSelectedSource}
+            autoMatchTitle={danmakuAutoTitle}
             danmakuInfo={danmakuInfo}
             onSelectEpisode={danmakuSelectEpisode}
             onResetAuto={danmakuResetAuto}

web/src/pages/PlayerVideoStage.tsx

@@ -24,6 +24,7 @@ type PlayerVideoStageProps = {
   danmakuArea: number
   danmakuSearch: string | null
   danmakuEpisodeId: number | string | null
+  danmakuSearchTrigger?: number
   danmakuOpen: boolean
   onToggleDanmaku: () => void
   onDanmakuLoaded: (info: DanmakuLoadedInfo | null) => void
@@ -58,6 +59,7 @@ export function PlayerVideoStage({
   danmakuArea,
   danmakuSearch,
   danmakuEpisodeId,
+  danmakuSearchTrigger = 0,
   danmakuOpen,
   onToggleDanmaku,
   onDanmakuLoaded,
@@ -280,6 +282,7 @@ export function PlayerVideoStage({
               area={danmakuArea}
               search={danmakuSearch}
               episodeId={danmakuEpisodeId}
+              searchTrigger={danmakuSearchTrigger}
               onLoaded={onDanmakuLoaded}
               onCandidates={onDanmakuCandidates}
             />