feat: изменил логику анализа отзывов

backend/UniVerse.Api.Tests/Reviews/ReviewPromptServiceTests.cs

@@ -97,6 +97,42 @@ public class ReviewPromptServiceTests
         Assert.DoesNotContain(ReviewPromptTemplate.ReviewTextPlaceholder, content);
     }
 
+    [Fact]
+    public async Task AnalyzeReviewAsync_ParsesSnakeCaseJsonFromFencedResponse()
+    {
+        var handler = new CapturingHandler("""
+            ```json
+            {"quality_score":0.82,"sentiment":"Положительный","tags":["lecture structure","practical examples"],"is_informative":true}
+            ```
+            """);
+        var http = new HttpClient(handler)
+        {
+            BaseAddress = new Uri("https://llm.test/")
+        };
+        var config = new ConfigurationBuilder()
+            .AddInMemoryCollection(new Dictionary<string, string?>
+            {
+                ["Llm:Model"] = "test-model",
+                ["Llm:ApiKey"] = "test-key"
+            })
+            .Build();
+        var promptService = Substitute.For<IReviewPromptService>();
+        promptService.GetAsync().Returns(new ReviewPromptDto(ReviewPromptTemplate.Default, null));
+        var client = new LlmClient(http, config, promptService, NullLogger<LlmClient>.Instance);
+
+        var result = await client.AnalyzeReviewAsync("Very useful review", "Lecture: Algebra");
+
+        Assert.Equal(0.82, result.QualityScore);
+        Assert.Equal("Положительный", result.Sentiment);
+        Assert.Equal(["lecture structure", "practical examples"], result.Tags);
+        Assert.True(result.IsInformative);
+        Assert.Equal("""
+            ```json
+            {"quality_score":0.82,"sentiment":"Положительный","tags":["lecture structure","practical examples"],"is_informative":true}
+            ```
+            """, result.RawOutput);
+    }
+
     private static AppDbContext CreateDbContext()
     {
         var options = new DbContextOptionsBuilder<AppDbContext>()
@@ -107,6 +143,14 @@ public class ReviewPromptServiceTests
 
     private sealed class CapturingHandler : HttpMessageHandler
     {
+        private readonly string _analysisContent;
+
+        public CapturingHandler(string? analysisContent = null)
+        {
+            _analysisContent = analysisContent ??
+                "{\"quality_score\":0.8,\"sentiment\":\"Positive\",\"tags\":[\"practice\"],\"is_informative\":true}";
+        }
+
         public string? RequestBody { get; private set; }
 
         protected override async Task<HttpResponseMessage> SendAsync(
@@ -117,17 +161,19 @@ public class ReviewPromptServiceTests
                 ? null
                 : await request.Content.ReadAsStringAsync(cancellationToken);
 
-            const string responsePayload = """
+            var responsePayload = JsonSerializer.Serialize(new
+            {
+                choices = new[]
                 {
-                  "choices": [
+                    new
                     {
-                      "message": {
-                        "content": "{\"qualityScore\":0.8,\"sentiment\":\"Positive\",\"tags\":[\"practice\"],\"isInformative\":true}"
-                      }
+                        message = new
+                        {
+                            content = _analysisContent
+                        }
                     }
-                  ]
                 }
-                """;
+            });
 
             return new HttpResponseMessage(HttpStatusCode.OK)
             {