diff --git a/src/mito2/src/region.rs b/src/mito2/src/region.rs
index c566dd47c0..292f3ec6d4 100644
--- a/src/mito2/src/region.rs
+++ b/src/mito2/src/region.rs
@@ -849,6 +849,44 @@ impl MitoRegion {
             .collect::<Vec<_>>()
     }
 
+    /// Returns all live SST file metas and the current manifest version from
+    /// the region manifest, merging both the normal and staging manifests.
+    ///
+    /// While the region is in staging mode (e.g. during region copy/migration),
+    /// the authoritative live file set lives in the staging manifest, so this
+    /// method merges both — matching the semantics of [`manifest_sst_entries`].
+    ///
+    /// The returned manifest version is the staging version when a staging
+    /// manifest is present, otherwise the normal manifest version.
+    pub async fn all_manifest_files(&self) -> (Vec<FileMeta>, ManifestVersion) {
+        let manifest = self.manifest_ctx.manifest().await;
+        let staging = self
+            .manifest_ctx
+            .staging_manifest()
+            .await
+            .map(|m| (m.files.clone(), m.manifest_version));
+
+        let version = staging
+            .as_ref()
+            .map(|(_, v)| *v)
+            .unwrap_or(manifest.manifest_version);
+
+        let files = match staging {
+            Some((staging_files, _)) => {
+                let merged = manifest
+                    .files
+                    .clone()
+                    .into_iter()
+                    .chain(staging_files)
+                    .collect::<std::collections::HashMap<_, _>>();
+                merged.into_values().collect()
+            }
+            None => manifest.files.values().cloned().collect(),
+        };
+
+        (files, version)
+    }
+
     /// Exit staging mode successfully by merging all staged manifests and making them visible.
     /// Merges staged manifest actions into the live manifest and exits staging mode.
     ///