From 9c48db76b25f53fa6790dc03d31eb7514040c155 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=BE=B7=E5=AE=87?= <kvtodev@outlook.com>
Date: Tue, 6 Oct 2026 18:49:45 +0800
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- registry.rs 的 write_atomically 在原子替换后同步父目录，崩溃时目录条目不再可能回退到旧文件
---
 .../src-tauri/src/export/registry.rs                      | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/apps/ai-game-creator-shell/src-tauri/src/export/registry.rs b/apps/ai-game-creator-shell/src-tauri/src/export/registry.rs
index d7de77b46..656f22d8b 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/export/registry.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/export/registry.rs
@@ -151,7 +151,13 @@ fn write_atomically(path: &Path, text: &str) -> Result<(), RegistryError> {
             path: path.to_path_buf(),
             cause: error.to_string(),
         }
-    })
+    })?;
+    // rename 只改目录条目：不 fsync 父目录的话，崩溃后「哪个文件才是新的」这件事可能没落盘，
+    // 数据虽然在磁盘上，目录项仍是旧的（甚至没有）。Windows 打不开目录句柄，打不开就跳过。
+    if let Ok(directory) = fs::File::open(parent) {
+        let _ = directory.sync_all();
+    }
+    Ok(())
 }
 
 fn temp_path(path: &Path) -> PathBuf {