// =============================================================================
// Copyright (c) 2026 Haixing Hu.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0.
// =============================================================================
//! Metadata retained across strict admission and Serde materialization.
use crateDiagnosticPolicy;
/// Describes the public input boundary used for one decode attempt.
pub