refactor: route ecstore public surfaces through api (#3673)

crates/ecstore/src/api/README.md

@@ -1,4 +1,4 @@
 # ECStore API Layout
 
-Reserved for facade and compatibility re-export ownership during the ECStore
-internal layout migration. No runtime logic lives here yet.
+Owns explicit facade and compatibility re-export paths during the ECStore
+internal layout migration. No runtime logic lives here.

crates/ecstore/src/api/mod.rs

@@ -0,0 +1,49 @@
+// Copyright 2024 RustFS Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Explicit ECStore public facades for outer crate compatibility boundaries.
+
+pub mod admin {
+    pub use crate::admin_server_info::{get_local_server_property, get_server_info};
+}
+
+pub mod capacity {
+    pub use crate::pools::{
+        PoolDecommissionInfo, PoolStatus, get_total_usable_capacity, get_total_usable_capacity_free, path2_bucket_object,
+        path2_bucket_object_with_base_path,
+    };
+    pub use crate::store_utils::is_reserved_or_invalid_bucket;
+}
+
+pub mod layout {
+    pub use crate::disks_layout::DisksLayout;
+    pub use crate::endpoints::{EndpointServerPools, Endpoints, PoolEndpoints};
+}
+
+pub mod metrics {
+    pub use crate::metrics_realtime::{CollectMetricsOpts, MetricType, collect_local_metrics};
+}
+
+pub mod notification {
+    pub use crate::notification_sys::{
+        NotificationPeerErr, NotificationSys, get_global_notification_sys, new_global_notification_sys,
+    };
+}
+
+pub mod storage {
+    pub use crate::store::{
+        ECStore, all_local_disk, all_local_disk_path, find_local_disk_by_ref, init_local_disks, init_lock_clients,
+        prewarm_local_disk_id_map,
+    };
+}