Fixed missing proper exception in AIProvider

src/Server/AIProvider.cs

@@ -106,7 +106,7 @@ public class AIProvider
             if (responseContentTokens is null)
             {
                 _logger.LogError("Unable to select tokens using JSONPath {embeddingsJsonPath} for string: {responseContent}.", [embeddingsJsonPath, responseContent]);
-                throw new Exception($"Unable to select tokens using JSONPath {embeddingsJsonPath} for string: {responseContent}."); // TODO add proper exception
+                throw new JSONPathSelectionException(embeddingsJsonPath, responseContent);
             }
             return [.. responseContentTokens.Values<float>()];
         }

src/Server/Exceptions/GeneralExceptions.cs

@@ -3,3 +3,5 @@ namespace Server.Exceptions;
 public class ProbMethodNotFoundException(string probMethod) : Exception($"Unknown probMethod name {probMethod}") { }
 
 public class SimilarityMethodNotFoundException(string similarityMethod) : Exception($"Unknown similarityMethod name \"{similarityMethod}\"") { }
+
+public class JSONPathSelectionException(string path, string testedContent) : Exception($"Unable to select tokens using JSONPath {path} for string: {testedContent}.") { }