feat:预览应用，多模型聊天

src/main/java/cn/com/poc/agent_application/dto/AgentApplicationPreviewDto.java

@@ -7,11 +7,20 @@ import java.util.List;
 
 public class AgentApplicationPreviewDto implements Serializable {
 
+    private String modelNickName;
 
     private String agentId;
 
     private List<Message> messages;
 
+    public String getModelNickName() {
+        return modelNickName;
+    }
+
+    public void setModelNickName(String modelNickName) {
+        this.modelNickName = modelNickName;
+    }
+
     public String getAgentId() {
         return agentId;
     }

src/main/java/cn/com/poc/agent_application/rest/impl/AgentApplicationInfoRestImpl.java

@@ -162,8 +162,11 @@ public class AgentApplicationInfoRestImpl implements AgentApplicationInfoRest {
                 tools.add(tool);
             }
 
+            //获取模型
+            String model = StringUtils.isNotBlank(dto.getModelNickName()) ? dto.getModelNickName() : infoEntity.getLargeModel();
+
             //调用应用服务
-            agentApplicationInfoService.callAgentApplication(agentId, infoEntity.getLargeModel(), infoEntity.getUnitIds()
+            agentApplicationInfoService.callAgentApplication(agentId, model, infoEntity.getUnitIds()
                     , infoEntity.getAgentSystem(), kdIds.toArray(new Integer[0]), infoEntity.getCommunicationTurn(), infoEntity.getTopP(), infoEntity.getTemperature()
                     , dto.getMessages(), tools, httpServletResponse);
         } catch (Exception e) {