From dc639d571a988e6d8c676ddb8febb9e820fccdad Mon Sep 17 00:00:00 2001
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Date: Tue, 6 Oct 2026 18:50:21 +0800
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- build.rs 的 run 在启动项目脚本前删除 .export/xhs-minitool.zip（不存在则跳过，删不掉则 fail closed）

- 避免 no-op 脚本靠上一轮残留的 zip 被判成功
---
 .../src/export/draft/xhs_minitool/build.rs      | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/build.rs b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/build.rs
index ce40ae903..6393efc00 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/build.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/draft/xhs_minitool/build.rs
@@ -42,6 +42,23 @@ pub(crate) async fn run(
             }
         })?;
 
+    // 产物判据只看「文件非空」，所以先清掉上一次的 zip：脚本这次什么都没写时，残留的旧 zip 会
+    // 让 no-op 脚本被判成功，用户上传的其实是上一轮的产物。删不掉（权限等）就 fail closed——
+    // 留着旧产物继续判成功，比这次构建失败更糟。
+    let artifact = artifact_path(root);
+    match std::fs::remove_file(&artifact) {
+        Ok(()) => {}
+        Err(error) if error.kind() == std::io::ErrorKind::NotFound => {}
+        Err(error) => {
+            return Err(XHSMiniToolExportBuildError::ExportUnavailable(
+                ExportUnavailable::new(format!(
+                    "清理上一次导出产物失败：{}：{error}",
+                    artifact.display()
+                )),
+            ));
+        }
+    }
+
     let result = run_project_verification_with_commit_at(
         root,
         SCRIPT_NAME,