perf: 收敛工作流状态与高 IO 节点开销

- 落地 Redis 版本状态、触发租约和定义缓存

- 优化数据批写、插件请求、文件下载与审计日志

- 补齐循环范围校验、轮询兼容和专项测试

easyflow-modules/easyflow-module-ai/src/test/java/tech/easyflow/datacenter/schedule/DatacenterWriteReceiptCleanupJobTest.java

@@ -0,0 +1,36 @@
+package tech.easyflow.datacenter.schedule;
+
+import org.junit.Test;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+/**
+ * 数据集写入回执清理任务测试。
+ */
+public class DatacenterWriteReceiptCleanupJobTest {
+
+    /**
+     * 验证清理任务按固定大小分批，并在最后一个非满批次后停止。
+     */
+    @Test
+    public void shouldDeleteExpiredReceiptsInBoundedBatches() {
+        JdbcTemplate jdbcTemplate = mock(JdbcTemplate.class);
+        when(jdbcTemplate.update(anyString(), any(), anyInt()))
+                .thenReturn(1000, 7);
+        DatacenterWriteReceiptCleanupJob job =
+                new DatacenterWriteReceiptCleanupJob(
+                        jdbcTemplate, 14L, 1000, 20);
+
+        job.cleanup();
+
+        verify(jdbcTemplate, times(2)).update(
+                anyString(), any(), anyInt());
+    }
+}