Add playback auth permission

Jellyfin.Server/Extensions/ApiServiceCollectionExtensions.cs

@@ -77,6 +77,7 @@ namespace Jellyfin.Server.Extensions
                 options.AddPolicy(Policies.LiveTvAccess, new UserPermissionRequirement(PermissionKind.EnableLiveTvAccess));
                 options.AddPolicy(Policies.LiveTvManagement, new UserPermissionRequirement(PermissionKind.EnableLiveTvManagement));
                 options.AddPolicy(Policies.LocalAccessOrRequiresElevation, new LocalAccessOrRequiresElevationRequirement());
+                options.AddPolicy(Policies.Playback, new UserPermissionRequirement(PermissionKind.EnableMediaPlayback));
                 options.AddPolicy(Policies.SyncPlayHasAccess, new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.HasAccess));
                 options.AddPolicy(Policies.SyncPlayCreateGroup, new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.CreateGroup));
                 options.AddPolicy(Policies.SyncPlayJoinGroup, new SyncPlayAccessRequirement(SyncPlayAccessRequirementType.JoinGroup));

MediaBrowser.Common/Api/Policies.cs

@@ -94,4 +94,9 @@ public static class Policies
     /// Policy name for accessing lyric management.
     /// </summary>
     public const string LyricManagement = "LyricManagement";
+
+    /// <summary>
+    /// Policy name for playback.
+    /// </summary>
+    public const string Playback = "Playback";
 }