acceptance: stabilize zhihu hotlist excel flow

tests/compat_openxml_office_tool_test.rs

@@ -51,3 +51,41 @@ async fn openxml_office_tool_renders_hotlist_xlsx_from_rows() {
     assert!(xml.contains("问题二"));
     assert!(!xml.contains("{{TITLE_1}}"));
 }
+
+#[tokio::test]
+async fn openxml_office_tool_accepts_reordered_columns_when_rows_are_structured() {
+    let workspace_root = temp_workspace_root();
+    let output_path = workspace_root.join("out/zhihu-hotlist-reordered.xlsx");
+    let tool = OpenXmlOfficeTool::new(workspace_root.clone());
+
+    let result = tool
+        .execute(json!({
+            "sheet_name": "知乎热榜",
+            "columns": ["title", "heat", "rank"],
+            "rows": [
+                ["问题一", "344万", 1],
+                ["问题二", "266万", 2]
+            ],
+            "output_path": output_path
+        }))
+        .await
+        .unwrap();
+
+    assert!(result.success, "{result:?}");
+    assert!(output_path.exists());
+
+    let unzip = ProcessCommand::new("unzip")
+        .args([
+            "-p",
+            output_path.to_str().unwrap(),
+            "xl/worksheets/sheet1.xml",
+        ])
+        .output()
+        .unwrap();
+    assert!(unzip.status.success());
+
+    let xml = String::from_utf8(unzip.stdout).unwrap();
+    assert!(xml.contains("问题一"));
+    assert!(xml.contains("344万"));
+    assert!(xml.contains(">1<"));
+}