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// -------------------------------------------------------------------------------------------------
// Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
// https://nautechsystems.io
//
// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
// You may not use this file except in compliance with the License.
// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
//
// 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.
// -------------------------------------------------------------------------------------------------
//! Order command envelopes and their boundary-owned handle wrappers.
//!
//! Plug-in strategies invoke host-side execution slots (`submit_order`,
//! `cancel_order`, `modify_order`, etc.) by constructing a command struct
//! in this module, wrapping it in the matching `*Handle`, and handing the
//! host a `*const XHandle`. The host derefs the handle once and routes the
//! borrowed command into the execution engine. The plug-in owns the box
//! and frees it when the call returns.
//!
//! Mirrors the ownership contract that
//! [`OrderBookDeltasHandle`](crate::surfaces::book::OrderBookDeltasHandle)
//! and
//! [`InstrumentAnyHandle`](crate::surfaces::instrument::InstrumentAnyHandle)
//! use for incoming events, but in the opposite direction: the plug-in
//! constructs and owns the box, the host borrows for the call.
pub use ;
pub use ;
pub use ;
pub use ;
pub use ;