Implement comprehensive academic statistics and refresh workflows

src/Jiaowu.Api/Domain/Academic/ScheduleEntities.cs

@@ -136,6 +136,8 @@ public sealed class AutomaticScheduleJob : EntityBase
     public int ProcessedTasks { get; set; }
     public int CreatedEntries { get; set; }
     public int CompletedTasks { get; set; }
+    public int CurrentGeneration { get; set; }
+    public int TotalGenerations { get; set; }
     public string? MessagesJson { get; set; }
     public string? ErrorMessage { get; set; }
     public DateTime? StartedAt { get; set; }