Добавил слой Application

backend/UniVerse.Application/Interfaces/ILlmAnalysisService.cs

@@ -0,0 +1,7 @@
+namespace UniVerse.Application.Interfaces;
+
+public interface ILlmAnalysisService
+{
+    Task AnalyzeReviewAsync(int reviewId);
+    Task ProcessPendingReviewsAsync();
+}