feat: update ChatRequest and DeepSeekChatImpl for DeepSeek integration

ruoyi-common/ruoyi-common-chat/src/main/java/org/ruoyi/common/chat/request/ChatRequest.java

@@ -72,6 +72,11 @@ public class ChatRequest {
      */
     private Boolean hasAttachment;
 
+    /**
+     * 是否启用深度思考
+     */
+    private Boolean enableThinking;
+
     /**
      * 是否自动切换模型
      */
@@ -82,9 +87,4 @@ public class ChatRequest {
      */
     private String token;
 
-    /**
-     * 消息ID（保存消息成功后设置，用于后续扣费更新）
-     */
-    private Long messageId;
-
 }