feat: update PlayNextQueue component and integrate it into Player; adjust layout in Playlist for improved UI

src/components/player/CompactPlayer.tsx

@@ -22,6 +22,7 @@ export function CompactPlayer({ className }: CompactPlayerProps) {
     volume: 80,
     previous_volume: 80,
     position: 0,
+    play_next_queue: [],
   })
   const [isLoading, setIsLoading] = useState(false)
 

src/components/player/PlayNextQueue.tsx

@@ -0,0 +1,105 @@
+import { Badge } from '@/components/ui/badge'
+import { ScrollArea } from '@/components/ui/scroll-area'
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from '@/components/ui/popover'
+import { filesService } from '@/lib/api/services/files'
+import { type PlayerSound } from '@/lib/api/services/player'
+import { formatDuration } from '@/utils/format-duration'
+import { Music, ListPlus } from 'lucide-react'
+
+interface PlayNextQueueProps {
+  queue: PlayerSound[]
+}
+
+export function PlayNextQueue({ queue }: PlayNextQueueProps) {
+  if (queue.length === 0) {
+    return null
+  }
+
+  // Calculate total duration
+  const totalDuration = queue.reduce((sum, sound) => sum + sound.duration, 0)
+
+  return (
+    <Popover>
+      <PopoverTrigger asChild>
+        <div className="flex items-center justify-between py-2 px-2 rounded hover:bg-muted/50 cursor-pointer transition-colors">
+          <div className="flex items-center gap-2">
+            <ListPlus className="h-4 w-4 text-muted-foreground" />
+            <span className="text-sm font-medium">Play Next</span>
+          </div>
+          <Badge variant="secondary" className="text-xs">
+            {queue.length} {queue.length === 1 ? 'track' : 'tracks'}
+          </Badge>
+        </div>
+      </PopoverTrigger>
+      <PopoverContent side="left" align="start" className="w-80 p-0">
+        <div className="w-full flex flex-col">
+          {/* Header - Fixed */}
+          <div className="flex items-center justify-between p-3 border-b">
+            <h4 className="font-semibold text-sm">Play Next Queue</h4>
+            <Badge variant="secondary" className="text-xs">
+              {queue.length}
+            </Badge>
+          </div>
+
+          {/* Track List - Scrollable */}
+          <ScrollArea className="h-96">
+            <div className="w-full space-y-1 p-3 pt-2">
+              {queue.map((sound, index) => (
+                <div
+                  key={`${sound.id}-${index}`}
+                  className="grid grid-cols-10 gap-2 items-center py-1.5 px-2 rounded hover:bg-muted/50 text-xs"
+                >
+                  {/* Queue position - 1 column */}
+                  <div className="col-span-1 flex justify-center">
+                    <span className="text-muted-foreground">{index + 1}</span>
+                  </div>
+
+                  {/* Thumbnail - 1 column */}
+                  <div className="col-span-1">
+                    <div className="bg-muted rounded flex items-center justify-center overflow-hidden w-5 h-5">
+                      {sound.thumbnail ? (
+                        <img
+                          src={filesService.getThumbnailUrl(sound.id)}
+                          alt=""
+                          className="w-full h-full object-cover"
+                        />
+                      ) : (
+                        <Music className="h-3 w-3 text-muted-foreground" />
+                      )}
+                    </div>
+                  </div>
+
+                  {/* Track name - 6 columns */}
+                  <div className="col-span-6">
+                    <span className="font-medium truncate block text-xs">
+                      {sound.name}
+                    </span>
+                  </div>
+
+                  {/* Duration - 2 columns */}
+                  <div className="col-span-2 text-right">
+                    <span className="text-muted-foreground text-xs whitespace-nowrap">
+                      {formatDuration(sound.duration)}
+                    </span>
+                  </div>
+                </div>
+              ))}
+            </div>
+          </ScrollArea>
+
+          {/* Footer - Fixed */}
+          <div className="p-3 pt-2 border-t bg-muted/30">
+            <div className="flex justify-between items-center text-xs">
+              <span className="text-muted-foreground">Total playtime</span>
+              <span className="font-medium">{formatDuration(totalDuration)}</span>
+            </div>
+          </div>
+        </div>
+      </PopoverContent>
+    </Popover>
+  )
+}

src/components/player/Player.tsx

@@ -18,6 +18,7 @@ import {
 import { useCallback, useEffect, useRef, useState } from 'react'
 import { toast } from 'sonner'
 import { Playlist } from './Playlist'
+import { PlayNextQueue } from './PlayNextQueue'
 import { PlayerControls } from './PlayerControls'
 import { PlayerProgress } from './PlayerProgress'
 import { PlayerTrackInfo } from './PlayerTrackInfo'
@@ -66,6 +67,11 @@ function isPlayerStateEqual(state1: PlayerState, state2: PlayerState): boolean {
     }
   }
 
+  // Compare play_next_queue length
+  if (state1.play_next_queue.length !== state2.play_next_queue.length) {
+    return false
+  }
+
   return true
 }
 
@@ -81,6 +87,7 @@ export function Player({ className, onPlayerModeChange }: PlayerProps) {
     volume: 80,
     previous_volume: 80,
     position: 0,
+    play_next_queue: [],
   })
   const [displayMode, setDisplayMode] = useState<PlayerDisplayMode>(() => {
     // Initialize from localStorage or default to 'normal'
@@ -368,6 +375,13 @@ export function Player({ className, onPlayerModeChange }: PlayerProps) {
                 )
               }
             />
+
+            {/* Play Next Queue */}
+            {state.play_next_queue.length > 0 && (
+              <div className="mt-2">
+                <PlayNextQueue queue={state.play_next_queue} />
+              </div>
+            )}
           </div>
         )}
       </CardContent>
@@ -434,14 +448,14 @@ export function Player({ className, onPlayerModeChange }: PlayerProps) {
 
         {/* Playlist Sidebar */}
         {state.playlist && (
-          <div className="w-96 border-l bg-muted/10 backdrop-blur-sm">
-            <div className="p-4 border-b">
+          <div className="w-96 border-l bg-muted/10 backdrop-blur-sm flex flex-col">
+            <div className="p-4 border-b flex-shrink-0">
               <h3 className="font-semibold">Playlist</h3>
               <p className="text-sm text-muted-foreground">
                 {state.playlist.sounds.length} tracks
               </p>
             </div>
-            <div className="p-4">
+            <div className="p-4 overflow-y-auto flex-1">
               <Playlist
                 playlist={state.playlist}
                 currentIndex={state.index}
@@ -453,6 +467,13 @@ export function Player({ className, onPlayerModeChange }: PlayerProps) {
                 }
                 variant="maximized"
               />
+
+              {/* Play Next Queue */}
+              {state.play_next_queue.length > 0 && (
+                <div className="mt-2">
+                  <PlayNextQueue queue={state.play_next_queue} />
+                </div>
+              )}
             </div>
           </div>
         )}

src/components/player/Playlist.tsx

@@ -3,11 +3,17 @@ import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { ScrollArea } from '@/components/ui/scroll-area'
+import {
+  ContextMenu,
+  ContextMenuContent,
+  ContextMenuItem,
+  ContextMenuTrigger,
+} from '@/components/ui/context-menu'
 import { filesService } from '@/lib/api/services/files'
-import { type PlayerPlaylist } from '@/lib/api/services/player'
+import { type PlayerPlaylist, playerService } from '@/lib/api/services/player'
 import { cn } from '@/lib/utils'
 import { formatDuration } from '@/utils/format-duration'
-import { Music, Play, Search, X } from 'lucide-react'
+import { Music, Play, Search, X, ListPlus } from 'lucide-react'
 
 interface PlaylistProps {
   playlist: PlayerPlaylist
@@ -28,6 +34,14 @@ export function Playlist({
     sound.name.toLowerCase().includes(searchQuery.toLowerCase())
   )
 
+  const handleAddToPlayNext = async (soundId: number) => {
+    try {
+      await playerService.addToPlayNext(soundId)
+    } catch (error) {
+      console.error('Failed to add track to play next:', error)
+    }
+  }
+
   return (
     <div className="w-full">
       {/* Header */}
@@ -62,70 +76,79 @@ export function Playlist({
 
       {/* Track List */}
       <ScrollArea
-        className={variant === 'maximized' ? 'h-[calc(100vh-280px)]' : 'h-60'}
+        className={variant === 'maximized' ? 'h-[calc(100vh-320px)]' : 'h-60'}
       >
         <div className="w-full">
           {filteredSounds.map((sound) => {
             const originalIndex = playlist.sounds.findIndex((s) => s.id === sound.id)
             return (
-              <div
-                key={sound.id}
-                className={cn(
-                  'grid grid-cols-10 gap-2 items-center py-1.5 px-2 rounded hover:bg-muted/50 cursor-pointer text-xs',
-                  currentIndex === originalIndex && 'bg-primary/10 text-primary',
-                )}
-                onClick={() => onTrackSelect(originalIndex)}
-              >
-                {/* Track number/play icon - 1 column */}
-                <div className="col-span-1 flex justify-center">
-                  {currentIndex === originalIndex ? (
-                    <Play className="h-3 w-3" />
-                  ) : (
-                    <span className="text-muted-foreground">{originalIndex + 1}</span>
-                  )}
-                </div>
+              <ContextMenu key={sound.id}>
+                <ContextMenuTrigger asChild>
+                  <div
+                    className={cn(
+                      'grid grid-cols-10 gap-2 items-center py-1.5 px-2 rounded hover:bg-muted/50 cursor-pointer text-xs',
+                      currentIndex === originalIndex && 'bg-primary/10 text-primary',
+                    )}
+                    onClick={() => onTrackSelect(originalIndex)}
+                  >
+                    {/* Track number/play icon - 1 column */}
+                    <div className="col-span-1 flex justify-center">
+                      {currentIndex === originalIndex ? (
+                        <Play className="h-3 w-3" />
+                      ) : (
+                        <span className="text-muted-foreground">{originalIndex + 1}</span>
+                      )}
+                    </div>
 
-              {/* Thumbnail - 1 column */}
-              <div className="col-span-1">
-                <div
-                  className={cn(
-                    'bg-muted rounded flex items-center justify-center overflow-hidden',
-                    variant === 'maximized' ? 'w-6 h-6' : 'w-5 h-5',
-                  )}
-                >
-                  {sound.thumbnail ? (
-                    <img
-                      src={filesService.getThumbnailUrl(sound.id)}
-                      alt=""
-                      className="w-full h-full object-cover"
-                    />
-                  ) : (
-                    <Music className="h-3 w-3 text-muted-foreground" />
-                  )}
-                </div>
-              </div>
+                    {/* Thumbnail - 1 column */}
+                    <div className="col-span-1">
+                      <div
+                        className={cn(
+                          'bg-muted rounded flex items-center justify-center overflow-hidden',
+                          variant === 'maximized' ? 'w-6 h-6' : 'w-5 h-5',
+                        )}
+                      >
+                        {sound.thumbnail ? (
+                          <img
+                            src={filesService.getThumbnailUrl(sound.id)}
+                            alt=""
+                            className="w-full h-full object-cover"
+                          />
+                        ) : (
+                          <Music className="h-3 w-3 text-muted-foreground" />
+                        )}
+                      </div>
+                    </div>
 
-              {/* Track name - 6 columns (takes most space) */}
-              <div className="col-span-6">
-                <span
-                  className={cn(
-                    'font-medium truncate block',
-                    variant === 'maximized' ? 'text-sm' : 'text-xs',
-                    currentIndex === originalIndex ? 'text-primary' : 'text-foreground',
-                  )}
-                >
-                  {sound.name}
-                </span>
-              </div>
+                    {/* Track name - 6 columns (takes most space) */}
+                    <div className="col-span-6">
+                      <span
+                        className={cn(
+                          'font-medium truncate block',
+                          variant === 'maximized' ? 'text-sm' : 'text-xs',
+                          currentIndex === originalIndex ? 'text-primary' : 'text-foreground',
+                        )}
+                      >
+                        {sound.name}
+                      </span>
+                    </div>
 
-              {/* Duration - 2 columns */}
-              <div className="col-span-2 text-right">
-                <span className="text-muted-foreground text-xs whitespace-nowrap">
-                  {formatDuration(sound.duration)}
-                </span>
-              </div>
-            </div>
-          )})}
+                    {/* Duration - 2 columns */}
+                    <div className="col-span-2 text-right">
+                      <span className="text-muted-foreground text-xs whitespace-nowrap">
+                        {formatDuration(sound.duration)}
+                      </span>
+                    </div>
+                  </div>
+                </ContextMenuTrigger>
+                <ContextMenuContent>
+                  <ContextMenuItem onClick={() => handleAddToPlayNext(sound.id)}>
+                    <ListPlus className="mr-2 h-4 w-4" />
+                    Add to play next
+                  </ContextMenuItem>
+                </ContextMenuContent>
+              </ContextMenu>
+            )})}
         </div>
       </ScrollArea>
 

src/lib/api/services/player.ts

@@ -38,6 +38,7 @@ export interface PlayerState {
   index?: number
   current_sound?: PlayerSound
   playlist?: PlayerPlaylist
+  play_next_queue: PlayerSound[]
 }
 
 export interface PlayerSeekRequest {
@@ -147,6 +148,13 @@ export class PlayerService {
   async getState(): Promise<PlayerState> {
     return apiClient.get<PlayerState>('/api/v1/player/state')
   }
+
+  /**
+   * Add a sound to the play next queue
+   */
+  async addToPlayNext(soundId: number): Promise<MessageResponse> {
+    return apiClient.post<MessageResponse>(`/api/v1/player/play-next/${soundId}`)
+  }
 }
 
 export const playerService = new PlayerService()