feat: 日志保存时写入 userName 字段

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend-single/src/main/java/com/emotion/service/impl/AiRuntimeServiceImpl.java

@@ -69,6 +69,7 @@ public class AiRuntimeServiceImpl implements AiRuntimeService {
         callLog.setRequestId(requestId);
         callLog.setSceneCode(request.getSceneCode());
         callLog.setUserId(resolveUserId(request));
+        callLog.setUserName(request.getUserName());
         callLog.setInputText(JSON.toJSONString(request.getInputs()));
         callLog.setStatus("running");
 
@@ -221,6 +222,7 @@ public class AiRuntimeServiceImpl implements AiRuntimeService {
         callLog.setEndpointCode(endpoint.getEndpointCode());
         callLog.setProviderCode(provider.getProviderCode());
         callLog.setUserId(request.getUserId());
+        callLog.setUserName(request.getUserName());
         callLog.setInputText(JSON.toJSONString(request.getInputs()));
         callLog.setStatus("running");
         callLogService.save(callLog);

backend-single/src/test/java/com/emotion/service/AiRuntimeServiceImplTest.java

@@ -80,6 +80,7 @@ class AiRuntimeServiceImplTest {
         request.setSceneCode("script_generate");
         request.setUserId("user-1");
         request.setRequestId("client-request-1");
+        request.setUserName("测试用户");
         List<AiStreamEvent> events = new ArrayList<>();
 
         service.invokeStream(request, events::add);
@@ -98,5 +99,6 @@ class AiRuntimeServiceImplTest {
         assertEquals("client-request-1", savedLog.getRequestId());
         assertEquals("success", savedLog.getStatus());
         assertEquals("完整输出", savedLog.getOutputText());
+        assertEquals("测试用户", savedLog.getUserName());
     }
 }