Looks like we finally have a solution.

Change logging to just log a message, instead of the exception.
Moved logic to Syncer involvement.  When posting the data, if a 500 is
returned, then it is up to the Syncer to re-submit it.

FreeTubeSync/Model/SearchHistory.cs

@@ -2,7 +2,7 @@ using System.ComponentModel.DataAnnotations;
 
 namespace FreeTubeSync.Model;
 
-public class SearchHistory
+public class SearchHistory : BaseModel
 {
     [Key]
     public string _id { get; set; } = string.Empty;