Mention swiping the thumbnail carousel in the play tip

Yattee/Localizable.xcstrings

@@ -19865,6 +19865,16 @@
         }
       }
     },
+    "videoInfo.playTip.messageWithSwipe" : {
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Tap the thumbnail to start playing this video. Swipe it left or right to browse other videos from this list."
+          }
+        }
+      }
+    },
     "videoInfo.playTip.title" : {
       "localizations" : {
         "en" : {

Yattee/Views/Video/VideoInfoPlayThumbnailTip.swift

@@ -4,6 +4,7 @@
 //
 //  TipKit hint that the hero thumbnail plays the video. Shown once, only while the
 //  toolbar action layout is active (the inline layout has an explicit Play button).
+//  When the thumbnail is a carousel over the video's context, it also mentions swiping.
 //
 
 #if !os(tvOS)
@@ -15,12 +16,17 @@ struct VideoInfoPlayThumbnailTip: Tip {
     @Parameter
     static var isToolbarLayout: Bool = false
 
+    /// Whether the thumbnail can be swiped to browse other videos in the context.
+    var canSwipe = false
+
     var title: Text {
         Text(String(localized: "videoInfo.playTip.title"))
     }
 
     var message: Text? {
-        Text(String(localized: "videoInfo.playTip.message"))
+        Text(canSwipe
+             ? String(localized: "videoInfo.playTip.messageWithSwipe")
+             : String(localized: "videoInfo.playTip.message"))
     }
 
     var image: Image? {
@@ -35,10 +41,11 @@ struct VideoInfoPlayThumbnailTip: Tip {
 /// Attaches the play-thumbnail tip to the hero thumbnail when enabled.
 struct VideoInfoPlayThumbnailTipModifier: ViewModifier {
     let enabled: Bool
-    private let tip = VideoInfoPlayThumbnailTip()
+    private let tip: VideoInfoPlayThumbnailTip
 
-    init(enabled: Bool) {
+    init(enabled: Bool, canSwipe: Bool) {
         self.enabled = enabled
+        self.tip = VideoInfoPlayThumbnailTip(canSwipe: canSwipe)
     }
 
     func body(content: Content) -> some View {

Yattee/Views/Video/VideoInfoView.swift

@@ -1128,7 +1128,7 @@ struct VideoInfoView: View {
                 }
             }
             #if !os(tvOS)
-            .modifier(VideoInfoPlayThumbnailTipModifier(enabled: isCurrent && showsThumbnailPlayTip))
+            .modifier(VideoInfoPlayThumbnailTipModifier(enabled: isCurrent && showsThumbnailPlayTip, canSwipe: canSwipeThumbnails))
             #endif
             
             // Title - full card width so long titles fit more characters per line.
@@ -1381,6 +1381,15 @@ struct VideoInfoView: View {
         usesToolbarActions && primaryAction != .play
     }
 
+    /// The hero thumbnail is a swipeable carousel over the queue context (iOS only, see headerSection).
+    private var canSwipeThumbnails: Bool {
+        #if os(iOS)
+        videoQueueContext != nil && (allVideos?.count ?? 0) > 1
+        #else
+        false
+        #endif
+    }
+
     /// One toolbar action rendered either as a standalone toolbar item or as a menu row.
     /// The same Label works in both places: the toolbar shows the icon, the menu shows icon + text.
     @ViewBuilder