20260608 默认rsync scope切到module-root

src/fetch/rsync_system.rs

@@ -22,7 +22,7 @@ pub enum RsyncScopePolicy {
 
 impl Default for RsyncScopePolicy {
     fn default() -> Self {
-        Self::Host
+        Self::ModuleRoot
     }
 }
 
@@ -563,15 +563,15 @@ mod tests {
     }
 
     #[test]
-    fn system_rsync_dedup_key_uses_host_scope_by_default() {
+    fn system_rsync_dedup_key_uses_module_root_by_default() {
         let fetcher = SystemRsyncFetcher::new(SystemRsyncConfig::default());
         assert_eq!(
             fetcher.dedup_key("rsync://example.net/repo/ta/ca/publication-point/"),
-            "rsync://example.net/repo/ta/ca/publication-point/"
+            "rsync://example.net/repo/"
         );
         assert_eq!(
             fetcher.failure_dedup_key("rsync://example.net/repo/ta/ca/publication-point/"),
-            Some("rsync://example.net/".to_string())
+            None
         );
     }