20261015_4 修复Manifest编号与改名抗重放校验

src/repository/storage.rs

@@ -27,6 +27,8 @@ pub use pack::{PackBytes, PackFile, PackTime};
 
 pub struct RocksStore {
     db: DB,
+    // The lock covers only history read/check/write, never network or validation.
+    manifest_history_commit: std::sync::Mutex<()>,
     external_raw_store: Option<ExternalRawStoreDb>,
     external_repo_bytes: Option<ExternalRepoBytesDb>,
 }