Feature : Memory 기능 고도화

ProjectVG.Api/Controllers/ChatController.cs

@@ -1,5 +1,4 @@
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.Authorization;
 using ProjectVG.Application.Models.Chat;
 using ProjectVG.Application.Models.API.Request;
 using ProjectVG.Application.Services.Chat;
@@ -28,12 +27,12 @@ public async Task<IActionResult> ProcessChat([FromBody] ChatRequest request)
                 throw new ValidationException(ErrorCode.AUTHENTICATION_FAILED);
             }
 
-            var command = new ProcessChatCommand
-            {
-                UserId = userGuid,
-                Message = request.Message,
-                CharacterId = request.CharacterId
-            };
+            var command = new ChatRequestCommand(
+                userGuid, 
+                request.CharacterId, 
+                request.Message,
+                request.RequestAt,
+                request.UseTTS);
 
             var result = await _chatService.EnqueueChatRequestAsync(command);
 

ProjectVG.Api/Middleware/GlobalExceptionHandler.cs

@@ -101,7 +101,7 @@ private ErrorResponse CreateErrorResponse(Exception exception, HttpContext conte
 
         private ErrorResponse HandleValidationException(ValidationException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "유효성 검사 예외 발생: {ErrorCode} - {Message}", exception.ErrorCode.ToString(), exception.Message);
+            _logger.LogWarning(exception, "유효성 검사 예외 발생: {ErrorCode} - {UserPrompt}", exception.ErrorCode.ToString(), exception.Message);
 
             var details = exception.ValidationErrors?.Select(e => e.ErrorMessage ?? string.Empty).ToList();
 
@@ -117,7 +117,7 @@ private ErrorResponse HandleValidationException(ValidationException exception, H
 
         private ErrorResponse HandleNotFoundException(NotFoundException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "리소스를 찾을 수 없음: {ErrorCode} - {Message}", exception.ErrorCode.ToString(), exception.Message);
+            _logger.LogWarning(exception, "리소스를 찾을 수 없음: {ErrorCode} - {UserPrompt}", exception.ErrorCode.ToString(), exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = exception.ErrorCode.ToString(),
@@ -130,7 +130,7 @@ private ErrorResponse HandleNotFoundException(NotFoundException exception, HttpC
 
         private ErrorResponse HandleAuthenticationException(AuthenticationException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "인증 실패: {ErrorCode} - {Message}", exception.ErrorCode.ToString(), exception.Message);
+            _logger.LogWarning(exception, "인증 실패: {ErrorCode} - {UserPrompt}", exception.ErrorCode.ToString(), exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = exception.ErrorCode.ToString(),
@@ -143,7 +143,7 @@ private ErrorResponse HandleAuthenticationException(AuthenticationException exce
 
         private ErrorResponse HandleProjectVGException(ProjectVGException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "ProjectVG 예외 발생: {ErrorCode} - {Message}", exception.ErrorCode.ToString(), exception.Message);
+            _logger.LogWarning(exception, "ProjectVG 예외 발생: {ErrorCode} - {UserPrompt}", exception.ErrorCode.ToString(), exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = exception.ErrorCode.ToString(),
@@ -156,7 +156,7 @@ private ErrorResponse HandleProjectVGException(ProjectVGException exception, Htt
 
         private ErrorResponse HandleExternalServiceException(ExternalServiceException exception, HttpContext context)
         {
-            _logger.LogError(exception, "외부 서비스 오류 발생: {ServiceName} - {Endpoint} - {Message}",
+            _logger.LogError(exception, "외부 서비스 오류 발생: {ServiceName} - {Endpoint} - {UserPrompt}",
                 exception.ServiceName, exception.Endpoint, exception.Message);
 
             return new ErrorResponse {
@@ -206,7 +206,7 @@ private ErrorResponse HandleDbUpdateException(DbUpdateException exception, HttpC
 
         private ErrorResponse HandleKeyNotFoundException(KeyNotFoundException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "리소스를 찾을 수 없음: {Message}", exception.Message);
+            _logger.LogWarning(exception, "리소스를 찾을 수 없음: {UserPrompt}", exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "RESOURCE_NOT_FOUND",
@@ -219,7 +219,7 @@ private ErrorResponse HandleKeyNotFoundException(KeyNotFoundException exception,
 
         private ErrorResponse HandleArgumentException(ArgumentException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "잘못된 인수: {Message}", exception.Message);
+            _logger.LogWarning(exception, "잘못된 인수: {UserPrompt}", exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "INVALID_ARGUMENT",
@@ -233,7 +233,7 @@ private ErrorResponse HandleArgumentException(ArgumentException exception, HttpC
 
         private ErrorResponse HandleInvalidOperationException(InvalidOperationException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "잘못된 작업: {Message}", exception.Message);
+            _logger.LogWarning(exception, "잘못된 작업: {UserPrompt}", exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "INVALID_OPERATION",
@@ -247,7 +247,7 @@ private ErrorResponse HandleInvalidOperationException(InvalidOperationException
 
         private ErrorResponse HandleUnauthorizedAccessException(UnauthorizedAccessException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "권한 없음: {Message}", exception.Message);
+            _logger.LogWarning(exception, "권한 없음: {UserPrompt}", exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "UNAUTHORIZED",
@@ -260,7 +260,7 @@ private ErrorResponse HandleUnauthorizedAccessException(UnauthorizedAccessExcept
 
         private ErrorResponse HandleTimeoutException(TimeoutException exception, HttpContext context)
         {
-            _logger.LogWarning(exception, "타임아웃 발생: {Message}", exception.Message);
+            _logger.LogWarning(exception, "타임아웃 발생: {UserPrompt}", exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "TIMEOUT",
@@ -273,7 +273,7 @@ private ErrorResponse HandleTimeoutException(TimeoutException exception, HttpCon
 
         private ErrorResponse HandleHttpRequestException(HttpRequestException exception, HttpContext context)
         {
-            _logger.LogError(exception, "HTTP 요청 오류: {Message}", exception.Message);
+            _logger.LogError(exception, "HTTP 요청 오류: {UserPrompt}", exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "HTTP_REQUEST_ERROR",
@@ -289,7 +289,7 @@ private ErrorResponse HandleGenericException(Exception exception, HttpContext co
             var exceptionType = exception.GetType().Name;
             var isDevelopment = _environment.IsDevelopment();
 
-            _logger.LogError(exception, "예상치 못한 예외 발생: {ExceptionType} - {Message}", exceptionType, exception.Message);
+            _logger.LogError(exception, "예상치 못한 예외 발생: {ExceptionType} - {UserPrompt}", exceptionType, exception.Message);
 
             return new ErrorResponse {
                 ErrorCode = "INTERNAL_SERVER_ERROR",

ProjectVG.Api/Models/Chat/Request/ChatRequest.cs

@@ -5,9 +5,6 @@ namespace ProjectVG.Application.Models.API.Request
 {
     public class ChatRequest
     {
-        [JsonPropertyName("session_id")]
-        public string SessionId { get; set; } = string.Empty;
-
         [JsonPropertyName("message")]
         public string Message { get; set; } = string.Empty;
 
@@ -19,5 +16,8 @@ public class ChatRequest
 
         [JsonPropertyName("use_tts")]
         public bool UseTTS { get; set; } = true;
+
+        [JsonPropertyName("request_at")]
+        public DateTime RequestAt { get; set; }
     }
 }

ProjectVG.Application/ApplicationServiceCollectionExtensions.cs

@@ -20,7 +20,7 @@ public static IServiceCollection AddApplicationServices(this IServiceCollection
         {
             // Auth Services
             services.AddScoped<IAuthService, AuthService>();
-            services.AddSingleton<IOAuth2Service, OAuth2Service>();
+            services.AddScoped<IOAuth2Service, OAuth2Service>();
             services.AddScoped<IOAuth2ProviderFactory, OAuth2ProviderFactory>();
 
             // User Services
@@ -48,8 +48,9 @@ public static IServiceCollection AddApplicationServices(this IServiceCollection
             services.AddScoped<ChatLLMProcessor>();
             services.AddScoped<ChatTTSProcessor>();
             services.AddScoped<ChatResultProcessor>();
-            
+
             // Chat Services - Handlers
+            services.AddScoped<ChatSuccessHandler>();
             services.AddScoped<ChatFailureHandler>();
 
             // Chat Services - Cost Tracking Decorators

ProjectVG.Application/Models/Character/CharacterDto.cs

@@ -11,11 +11,10 @@ public class CharacterDto
         public bool IsActive { get; set; } = true;
         public string Personality { get; set; } = string.Empty;
         public string SpeechStyle { get; set; } = string.Empty;
+        public string Summary { get; set; } = string.Empty;
+        public string UserAlias { get; set; } = string.Empty;
         public string VoiceId { get; set; } = string.Empty;
 
-        public CharacterDto()
-        {
-        }
 
         public CharacterDto(Domain.Entities.Characters.Character character)
         {
@@ -26,6 +25,8 @@ public CharacterDto(Domain.Entities.Characters.Character character)
             IsActive = character.IsActive;
             Personality = character.Personality;
             SpeechStyle = character.SpeechStyle;
+            UserAlias = character.UserAlias;
+            Summary = character.Summary;
             VoiceId = character.VoiceId;
         }
     }

ProjectVG.Application/Models/Chat/ChatProcessContext.cs

@@ -10,6 +10,7 @@ public class ChatProcessContext
         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;
 
         public CharacterDto? Character { get; private set; }
@@ -18,33 +19,27 @@ public class ChatProcessContext
 
         public string Response { get; private set; } = string.Empty;
         public double Cost { get; private set; }
-        public List<ChatMessageSegment> Segments { get; private set; } = new List<ChatMessageSegment>();
-
-        public string FullText => string.Join(" ", Segments.Where(s => s.HasText).Select(s => s.Text));
-        public bool HasAudio => Segments.Any(s => s.HasAudio);
-        public bool HasText => Segments.Any(s => s.HasText);
-
+        public List<ChatSegment> Segments { get; private set; } = new List<ChatSegment>();
 
-        public ChatProcessContext(ProcessChatCommand command)
+        public ChatProcessContext(ChatRequestCommand command)
         {
-            SessionId = command.SessionId;
             UserId = command.UserId;
             CharacterId = command.CharacterId;
-            UserMessage = command.Message;
+            UserMessage = command.UserPrompt;
             MemoryStore = command.UserId.ToString();
             UseTTS = command.UseTTS;
+            UserRequestAt = command.UserRequestAt;
         }
 
         public ChatProcessContext(
-            ProcessChatCommand command,
+            ChatRequestCommand command,
             CharacterDto character,
             IEnumerable<ConversationHistory> conversationHistory,
             IEnumerable<string> memoryContext)
         {
-            SessionId = command.SessionId;
             UserId = command.UserId;
             CharacterId = command.CharacterId;
-            UserMessage = command.Message;
+            UserMessage = command.UserPrompt;
             MemoryStore = command.UserId.ToString();
             UseTTS = command.UseTTS;
 
@@ -53,7 +48,7 @@ public ChatProcessContext(
             MemoryContext = memoryContext;
         }
 
-        public void SetResponse(string response, List<ChatMessageSegment> segments, double cost)
+        public void SetResponse(string response, List<ChatSegment> segments, double cost)
         {
             Response = response;
             Segments = segments;
@@ -69,9 +64,76 @@ public IEnumerable<string> ParseConversationHistory(int count = 5)
         {
             if (ConversationHistory == null) return Enumerable.Empty<string>();
 
-            return ConversationHistory
-                .Take(count)
-                .Select(h => $"{h.Role}: {h.Content}");
+            return ConversationHistory.Take(count).Select(h => $"{h.Role}: {h.Content}");
+        }
+
+        public string ToDebugString()
+        {
+            var sb = new System.Text.StringBuilder();
+
+            // Request 기본 정보
+            sb.AppendLine($"[ChatProcessContext Debug Info]");
+            sb.AppendLine($"=== REQUEST INFO ===");
+            sb.AppendLine($"SessionId: {SessionId}");
+            sb.AppendLine($"UserId: {UserId}");
+            sb.AppendLine($"CharacterId: {CharacterId}");
+            sb.AppendLine($"UserMessage: \"{UserMessage}\"");
+            sb.AppendLine($"UseTTS: {UseTTS}");
+            sb.AppendLine($"UserRequestAt: {UserRequestAt:yyyy-MM-dd HH:mm:ss}");
+            sb.AppendLine($"Character: {Character?.Name ?? "null"}");
+
+            // LLM 전처리 정보
+            sb.AppendLine($"=== LLM PREPROCESSING INFO ===");
+
+            // ConversationHistory 전체 내용
+            sb.AppendLine($"ConversationHistory ({ConversationHistory?.Count() ?? 0} items):");
+            if (ConversationHistory != null && ConversationHistory.Any())
+            {
+                foreach (var history in ConversationHistory)
+                {
+                    sb.AppendLine($"  - {history.Role}: \"{history.Content}\"");
+                }
+            }
+            else
+            {
+                sb.AppendLine("  (No conversation history)");
+            }
+
+            // MemoryContext 전체 내용
+            sb.AppendLine($"MemoryContext ({MemoryContext?.Count() ?? 0} items):");
+            if (MemoryContext != null && MemoryContext.Any())
+            {
+                foreach (var memory in MemoryContext)
+                {
+                    sb.AppendLine($"  - \"{memory}\"");
+                }
+            }
+            else
+            {
+                sb.AppendLine("  (No memory context)");
+            }
+
+            // 결과 정보
+            sb.AppendLine($"=== RESULT INFO ===");
+            sb.AppendLine($"Response: \"{Response}\"");
+            sb.AppendLine($"Cost: {Cost:F4}");
+
+            // Segments 전체 내용
+            sb.AppendLine($"Segments ({Segments?.Count ?? 0} items):");
+            if (Segments != null && Segments.Any())
+            {
+                for (int i = 0; i < Segments.Count; i++)
+                {
+                    var segment = Segments[i];
+                    sb.AppendLine($"  [{i}] Type: {segment.Type}, Content: \"{segment.Content}\"");
+                }
+            }
+            else
+            {
+                sb.AppendLine("  (No segments)");
+            }
+
+            return sb.ToString();
         }
     }
 }