feat(storage): extend PUT path tuning and observability (#3829)

* feat(storage): add multipart put stage metrics

* feat(scripts): add multipart put focus runner

* docs(operations): add multipart put server-path guides

* chore(scripts): add local rustfs restart helper

* docs(observability): add local metrics backend guide

* docs(observability): add localized multipart guides

* fix(ecstore): validate multipart batching path

* feat(obs): add erasure encode overlap metrics

* docs(ops): update overlap retest summary

* docs(ops): add batchblocks retest matrix

* docs(ops): extend overlap candidate summary

* docs(ops): capture 8-run overlap summary

* feat(storage): switch rename_data to msgpack map

* test(storage): add rename_data payload checks

* feat(object): add zero_copy_eager put path

* docs(ops): add zero_copy_eager put guide

* docs(ops): add deeper zero-copy next steps

crates/ecstore/tests/protobuf_bytes_regression_test.rs

@@ -3,7 +3,8 @@
 
 use bytes::Bytes;
 use rustfs_protos::proto_gen::node_service::{
-    ReadMultipleRequest, ReadMultipleResponse, ReadVersionResponse, ReadXlResponse, UpdateMetadataRequest, WriteMetadataRequest,
+    ReadMultipleRequest, ReadMultipleResponse, ReadVersionResponse, ReadXlResponse, RenameDataRequest, RenameDataResponse,
+    UpdateMetadataRequest, WriteMetadataRequest,
 };
 
 fn expect_bytes(_: &Bytes) {}
@@ -17,6 +18,12 @@ fn protobuf_bytes_fields_use_bytes_consistently() {
     let write = WriteMetadataRequest::default();
     expect_bytes(&write.file_info_bin);
 
+    let rename_data = RenameDataRequest::default();
+    expect_bytes(&rename_data.file_info_bin);
+
+    let rename_data_response = RenameDataResponse::default();
+    expect_bytes(&rename_data_response.rename_data_resp_bin);
+
     let version = ReadVersionResponse::default();
     expect_bytes(&version.file_info_bin);