Initial Python rewrite

src.bak/main/java/com/example/mapper/conversation/ConversationEntryMapper.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2025 Google. This software is provided as-is, without warranty or representation for any use or purpose. 
+ * Your use of it is subject to your agreement with Google.
+ */
+
+package com.example.mapper.conversation;
+
+import com.example.dto.dialogflow.conversation.ConversationEntryDTO;
+import com.example.dto.dialogflow.conversation.ConversationMessageDTO;
+import com.example.dto.dialogflow.conversation.MessageType;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ConversationEntryMapper {
+
+    public ConversationMessageDTO toConversationMessageDTO(ConversationEntryDTO entry) {
+        MessageType type = switch (entry.entity()) {
+            case USUARIO -> MessageType.USER;
+            case AGENTE -> MessageType.AGENT;
+            case SISTEMA -> MessageType.SYSTEM;
+            case LLM -> MessageType.LLM;
+        };
+
+        return new ConversationMessageDTO(
+                type,
+                entry.timestamp(),
+                entry.text(),
+                entry.parameters(),
+                entry.canal()
+        );
+    }
+}