Add query parameter to disable returning first episode as next up

Jellyfin.Api/Controllers/TvShowsController.cs

@@ -67,6 +67,7 @@ namespace Jellyfin.Api.Controllers
         /// <param name="enableImageTypes">Optional. The image types to include in the output.</param>
         /// <param name="enableUserData">Optional. Include user data.</param>
         /// <param name="enableTotalRecordCount">Whether to enable the total records count. Defaults to true.</param>
+        /// <param name="disableFirstEpisode">Whether to disable sending the first episode in a series as next up.</param>
         /// <returns>A <see cref="QueryResult{BaseItemDto}"/> with the next up episodes.</returns>
         [HttpGet("NextUp")]
         [ProducesResponseType(StatusCodes.Status200OK)]
@@ -81,7 +82,8 @@ namespace Jellyfin.Api.Controllers
             [FromQuery] int? imageTypeLimit,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] ImageType[] enableImageTypes,
             [FromQuery] bool? enableUserData,
-            [FromQuery] bool enableTotalRecordCount = true)
+            [FromQuery] bool enableTotalRecordCount = true,
+            [FromQuery] bool disableFirstEpisode = false)
         {
             var options = new DtoOptions { Fields = fields }
                 .AddClientFields(Request)
@@ -95,7 +97,8 @@ namespace Jellyfin.Api.Controllers
                     SeriesId = seriesId,
                     StartIndex = startIndex,
                     UserId = userId ?? Guid.Empty,
-                    EnableTotalRecordCount = enableTotalRecordCount
+                    EnableTotalRecordCount = enableTotalRecordCount,
+                    DisableFirstEpisode = disableFirstEpisode
                 },
                 options);