fix: workflow() 返回 resp.getData() 而非整个 RunWorkflowResp 对象

parseWorkflowResponse 只能处理 Map/String 类型，
之前传入了 RunWorkflowResp 对象导致直接返回 null。
改为传入 resp.getData()（JSON 字符串）使解析逻辑正常工作。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

msh_crmeb_22/crmeb-service/src/main/java/com/zbkj/service/service/impl/tool/ToolCozeServiceImpl.java

@@ -207,7 +207,7 @@ public class ToolCozeServiceImpl implements ToolCozeService {
                     .parameters(request.getParameters())
                     .build();
             RunWorkflowResp resp = client.workflows().runs().create(req);
-            return CozeBaseResponse.success(resp);
+            return CozeBaseResponse.success(resp.getData());
         } catch (Exception e) {
             logger.error("Coze workflow error", e);
             return CozeBaseResponse.error("Workflow failed: " + e.getMessage());