Implement comprehensive academic statistics and refresh workflows

src/Jiaowu.Api/Controllers/SchedulesController.cs

@@ -743,6 +743,8 @@ public sealed class SchedulesController(
             job.ProcessedTasks,
             job.CreatedEntries,
             job.CompletedTasks,
+            job.CurrentGeneration,
+            job.TotalGenerations,
             messages,
             job.ErrorMessage,
             job.CreatedAt,
@@ -802,6 +804,8 @@ public sealed record AutomaticScheduleJobResponse(
     int ProcessedTasks,
     int CreatedEntries,
     int CompletedTasks,
+    int CurrentGeneration,
+    int TotalGenerations,
     IReadOnlyList<string> Messages,
     string? ErrorMessage,
     DateTime CreatedAt,