ProjectVG · ImGdevel · Sep 9, 2025 · Sep 7, 2025
diff --git a/ProjectVG.Application/Models/Chat/ChatProcessContext.cs b/ProjectVG.Application/Models/Chat/ChatProcessContext.cs
@@ -9,7 +9,6 @@ public record ChatProcessContext
         public Guid UserId { get; private set; }
         public Guid CharacterId { get; private set; }
         public string UserMessage { get; private set; } = string.Empty;
-        public string MemoryStore { get; private set; } = string.Empty;
         public DateTime UserRequestAt { get; private set; } = DateTime.Now;
         public bool UseTTS { get; private set; } = true;
 
@@ -27,7 +26,6 @@ public ChatProcessContext(ChatRequestCommand command)
             UserId = command.UserId;
             CharacterId = command.CharacterId;
             UserMessage = command.UserPrompt;
-            MemoryStore = command.UserId.ToString();
             UseTTS = command.UseTTS;
             UserRequestAt = command.UserRequestAt;
         }
@@ -42,7 +40,6 @@ public ChatProcessContext(
             UserId = command.UserId;
             CharacterId = command.CharacterId;
             UserMessage = command.UserPrompt;
-            MemoryStore = command.UserId.ToString();
             UseTTS = command.UseTTS;
             UserRequestAt = command.UserRequestAt;
 
@@ -63,11 +60,15 @@ public void AddCost(double additionalCost)
             Cost += additionalCost;
         }
 
-        public IEnumerable<string> ParseConversationHistory(int count = 5)
+        public IEnumerable<ConversationHistory> ParseConversationHistory(int count = 10)
         {
-            if (ConversationHistory == null) return Enumerable.Empty<string>();
+            if (ConversationHistory == null) 
+            {
+                return Enumerable.Empty<ConversationHistory>();
+            }
 
-            return ConversationHistory.Take(count).Select(h => $"{h.Role}: {h.Content}");
+            var parsed = ConversationHistory.Take(count);
+            return parsed.ToList();
         }
 
         public string ToDebugString()

diff --git a/ProjectVG.Application/Services/Chat/ChatService.cs b/ProjectVG.Application/Services/Chat/ChatService.cs
@@ -89,11 +89,11 @@ private async Task<ChatProcessContext> PrepareChatRequestAsync(ChatRequestComman
             await _actionProcessor.ProcessAsync(command);
 
             var characterInfo = await _characterService.GetCharacterByIdAsync(command.CharacterId);
-            var conversationHistoryContext = await _conversationService.GetConversationHistoryAsync(command.UserId, command.CharacterId, 10);
+
+            var conversationHistoryContext = await _conversationService.GetConversationHistoryAsync(command.UserId, command.CharacterId, 1, 10);
+
             var memoryContext = await _memoryPreprocessor.CollectMemoryContextAsync(command);
 
-
-
             return new ChatProcessContext(
                 command,
                 characterInfo, 

diff --git a/ProjectVG.Application/Services/Chat/Processors/ChatLLMProcessor.cs b/ProjectVG.Application/Services/Chat/Processors/ChatLLMProcessor.cs
@@ -23,11 +23,20 @@ public async Task ProcessAsync(ChatProcessContext context)
         {
             var format = LLMFormatFactory.CreateChatFormat();
 
+            var conversationHistory = context.ParseConversationHistory()
+                .Select(h => new ProjectVG.Infrastructure.Integrations.LLMClient.Models.History 
+                { 
+                    Role = h.Role, 
+                    Content = h.Content 
+                })
+                .ToList();
+
+
             var llmResponse = await _llmClient.CreateTextResponseAsync(
                     format.GetSystemMessage(context),
                     context.UserMessage,
                     format.GetInstructions(context),
-                    context.ParseConversationHistory().ToList(),
+                    conversationHistory,
                     model: format.Model,
                     maxTokens: format.MaxTokens,
                     temperature: format.Temperature
@@ -37,8 +46,6 @@ public async Task ProcessAsync(ChatProcessContext context)
             var cost = format.CalculateCost(llmResponse.InputTokens, llmResponse.OutputTokens);
             context.SetResponse(llmResponse.OutputText, segments, cost);
 
-            _logger.LogInformation("채팅 처리 결과: {Response}\n 세그먼트 생성 개수: {SementCount}\n 입력 토큰: {InputTokens}\n 출력 토큰: {OutputTokens}\n 비용: {Cost}",
-                llmResponse.OutputText, segments.Count, llmResponse.InputTokens, llmResponse.OutputTokens, cost);
         }
     }
 }
diff --git a/ProjectVG.Application/Services/Chat/Processors/ChatResultProcessor.cs b/ProjectVG.Application/Services/Chat/Processors/ChatResultProcessor.cs
@@ -28,11 +28,13 @@ public ChatResultProcessor(
 
         public async Task PersistResultsAsync(ChatProcessContext context)
         {
+
             await _conversationService.AddMessageAsync(context.UserId, context.CharacterId, ChatRole.User, context.UserMessage, context.UserRequestAt, context.RequestId.ToString());
+
+
             await _conversationService.AddMessageAsync(context.UserId, context.CharacterId, ChatRole.Assistant, context.Response, DateTime.UtcNow, context.RequestId.ToString());
+
             await PersistMemoryAsync(context);
-
-            _logger.LogDebug("채팅 결과 저장 완료: 세션 {UserId}, 사용자 {UserId}", context.RequestId, context.UserId);
         }
 
         private async Task PersistMemoryAsync(ChatProcessContext context)
@@ -89,7 +91,6 @@ private async Task PersistMemoryAsync(ChatProcessContext context)
                 await _memoryClient.InsertEpisodicAsync(userMemoryRequest);
                 await _memoryClient.InsertEpisodicAsync(episodicRequest);
 
-                _logger.LogDebug("메모리 삽입 성공: 사용자={UserId}, 캐릭터={CharacterId}", context.UserId, context.CharacterId);
             }
             catch (Exception ex)
             {

diff --git a/ProjectVG.Application/Services/Conversation/ConversationService.cs b/ProjectVG.Application/Services/Conversation/ConversationService.cs
@@ -19,6 +19,7 @@ public ConversationService(IConversationRepository conversationRepository, ILogg
 
         public async Task<ConversationHistory> AddMessageAsync(Guid userId, Guid characterId, string role, string content, DateTime timestamp, string? conversationId = null)
         {
+
             if (string.IsNullOrWhiteSpace(content))
             {
                 throw new ValidationException(ErrorCode.MESSAGE_EMPTY, content);
@@ -45,11 +46,13 @@ public async Task<ConversationHistory> AddMessageAsync(Guid userId, Guid charact
             };
 
             var addedMessage = await _conversationRepository.AddAsync(message);
+
             return addedMessage;
         }
 
         public async Task<IEnumerable<ConversationHistory>> GetConversationHistoryAsync(Guid userId, Guid characterId, int page = 1, int pageSize = 10)
         {
+
             if (page <= 0)
             {
                 throw new ValidationException(ErrorCode.VALIDATION_FAILED, $"Page must be greater than 0, but was: {page}");
@@ -61,6 +64,7 @@ public async Task<IEnumerable<ConversationHistory>> GetConversationHistoryAsync(
             }
 
             var history = await _conversationRepository.GetConversationHistoryAsync(userId, characterId, page, pageSize);
+
             return history;
         }
 

diff --git a/ProjectVG.Infrastructure/Integrations/LLMClient/ILLMClient.cs b/ProjectVG.Infrastructure/Integrations/LLMClient/ILLMClient.cs
@@ -26,7 +26,7 @@ Task<LLMResponse> CreateTextResponseAsync(
             string systemMessage,
             string userMessage,
             string? instructions = "",
-            List<string>? conversationHistory = default,
+            List<History>? conversationHistory = default,
             string? model = "gpt-4o-mini",
             int? maxTokens = 1000,
             float? temperature = 0.7f);

diff --git a/ProjectVG.Infrastructure/Integrations/LLMClient/LLMClient.cs b/ProjectVG.Infrastructure/Integrations/LLMClient/LLMClient.cs
@@ -66,7 +66,7 @@ public async Task<LLMResponse> CreateTextResponseAsync(
             string systemMessage,
             string userMessage,
             string? instructions = "",
-            List<string>? conversationHistory = default,
+            List<History>? conversationHistory = default,
             string? model = "gpt-4o-mini",
             int? maxTokens = 1000,
             float? temperature = 0.7f)
@@ -76,7 +76,7 @@ public async Task<LLMResponse> CreateTextResponseAsync(
                 SystemPrompt = systemMessage,
                 UserPrompt = userMessage,
                 Instructions = instructions ?? "",
-                ConversationHistory = conversationHistory?.Select(msg => new History { Role = "user", Content = msg }).ToList() ?? new List<History>(),
+                ConversationHistory = conversationHistory ?? new List<History>(),
                 Model = model ?? "gpt-4o-mini",
                 MaxTokens = maxTokens ?? 1000,
                 Temperature = temperature ?? 0.7f,

diff --git a/ProjectVG.Infrastructure/Integrations/TextToSpeechClient/Models/TextToSpeechRequest.cs b/ProjectVG.Infrastructure/Integrations/TextToSpeechClient/Models/TextToSpeechRequest.cs
@@ -45,7 +45,7 @@ public class VoiceSettings
         /// 피치 레벨을 조절합니다. 0은 원래 음성 피치이며, ±12단계가 가능합니다. 1단계는 반음입니다.
         /// </summary>
         [JsonPropertyName("pitch_shift")]
-        public int PitchShift { get; set; } = 0;
+        public int PitchShift { get; set; } = -3;
 
         /// <summary>
         /// 음성 중 음조 변화의 정도를 조절합니다. 값이 작을수록 음조가 평탄해지고, 값이 클수록 음조가 풍부해집니다.
@@ -57,6 +57,6 @@ public class VoiceSettings
         /// 음성 속도를 조절합니다. 값이 1보다 작으면 음성 속도가 느려지고, 값이 1보다 크면 음성 속도가 빨라집니다.
         /// </summary>
         [JsonPropertyName("speed")]
-        public float Speed { get; set; } = 1.2f;
+        public float Speed { get; set; } = 1.1f;
     }
 }