fix(release): 修复发布一致性与并发边界

infrastructure/src/official_update.rs

@@ -3224,7 +3224,15 @@ fn copy_tree_no_symlink(
                     continue;
                 }
             }
-            if let Err(_error) = fs::hard_link(&source_path, &destination_path) {
+            if is_release_local_mutable_state(&source_path) {
+                fs::copy(&source_path, &destination_path).map_err(|copy_error| {
+                    format!(
+                        "复制官方 release mutable state 失败 {} -> {}：{copy_error}",
+                        source_path.display(),
+                        destination_path.display()
+                    )
+                })?;
+            } else if let Err(_error) = fs::hard_link(&source_path, &destination_path) {
                 fs::copy(&source_path, &destination_path).map_err(|copy_error| {
                     format!(
                         "复制官方资源到 staging 失败 {} -> {}：{copy_error}",
@@ -3243,6 +3251,17 @@ fn copy_tree_no_symlink(
     Ok(())
 }
 
+fn is_release_local_mutable_state(path: &Path) -> bool {
+    matches!(
+        path.file_name().and_then(|name| name.to_str()),
+        Some(
+            "translation-tasks.sqlite"
+                | "translation-tasks.sqlite-wal"
+                | "translation-tasks.sqlite-shm"
+        )
+    )
+}
+
 #[cfg(unix)]
 fn switch_current_symlink(
     root: &Path,
@@ -4415,6 +4434,46 @@ fn process_exists(_pid: u32) -> bool {
 mod tests {
     use super::*;
 
+    #[cfg(unix)]
+    #[test]
+    fn staging_copy_does_not_hard_link_mutable_translation_state() {
+        use std::os::unix::fs::MetadataExt;
+
+        let temp = tempfile::TempDir::new().unwrap();
+        let source = temp.path().join("old");
+        let destination = temp.path().join("new");
+        fs::create_dir_all(&source).unwrap();
+        fs::write(source.join("translation-tasks.sqlite"), b"old-db").unwrap();
+        fs::write(source.join("translation-tasks.sqlite-wal"), b"old-wal").unwrap();
+        fs::write(source.join("immutable.bundle"), b"payload").unwrap();
+
+        copy_tree_no_symlink(&source, &destination, false).unwrap();
+
+        let old_db_inode = fs::metadata(source.join("translation-tasks.sqlite"))
+            .unwrap()
+            .ino();
+        let new_db_inode = fs::metadata(destination.join("translation-tasks.sqlite"))
+            .unwrap()
+            .ino();
+        assert_ne!(old_db_inode, new_db_inode);
+        fs::write(destination.join("translation-tasks.sqlite"), b"new-db").unwrap();
+        fs::write(destination.join("translation-tasks.sqlite-wal"), b"new-wal").unwrap();
+        assert_eq!(
+            fs::read(source.join("translation-tasks.sqlite")).unwrap(),
+            b"old-db"
+        );
+        assert_eq!(
+            fs::read(source.join("translation-tasks.sqlite-wal")).unwrap(),
+            b"old-wal"
+        );
+        assert_eq!(
+            fs::metadata(source.join("immutable.bundle")).unwrap().ino(),
+            fs::metadata(destination.join("immutable.bundle"))
+                .unwrap()
+                .ino()
+        );
+    }
+
     #[test]
     fn missing_app_version_carries_input_error_code() {
         // 未启用 auto-discover 且未传 app-version：配置校验失败应携带