(improvement)(chat)Add SmallTalkDemo and support multi-turn conversation in PLAIN_TEXT mode.

launchers/standalone/src/main/java/com/tencent/supersonic/demo/SmallTalkDemo.java

@@ -0,0 +1,36 @@
+package com.tencent.supersonic.demo;
+
+import com.alibaba.fastjson.JSONObject;
+import com.google.common.collect.Lists;
+import com.tencent.supersonic.auth.api.authentication.pojo.User;
+import com.tencent.supersonic.chat.server.agent.Agent;
+import com.tencent.supersonic.chat.server.agent.AgentConfig;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+@Order(2)
+public class SmallTalkDemo extends S2BaseDemo {
+
+    public void doRun() {
+        Agent agent = new Agent();
+        agent.setName("来闲聊");
+        agent.setDescription("直接与大模型对话，验证连通性");
+        agent.setStatus(1);
+        agent.setEnableSearch(0);
+        AgentConfig agentConfig = new AgentConfig();
+        agent.setAgentConfig(JSONObject.toJSONString(agentConfig));
+        agent.setExamples(Lists.newArrayList("如何才能变帅",
+                "如何才能赚更多钱", "如何才能世界和平"));
+
+        agentService.createAgent(agent, User.getFakeUser());
+    }
+
+    @Override
+    boolean checkNeedToRun() {
+        return true;
+    }
+}

launchers/standalone/src/main/resources/application-local.yaml

@@ -71,7 +71,7 @@ s2:
       path: /tmp
 
   demo:
-    names: S2VisitsDemo,S2ArtistDemo
+    names: S2VisitsDemo,S2ArtistDemo,SmallTalkDemo
     enableLLM: true
 
 # swagger配置