//! # cow-sdk-app-data (reserved)
//!
//! This crate is a **reserved placeholder**. No functionality is
//! implemented at version `0.0.1-reserved.0`.
//!
//! When published as `0.1.0` or later, this crate will implement
//! app-data JSON schema construction, validation, and
//! IPFS-compatible hash derivation for CoW Protocol orders.
//!
//! This crate is part of the CoW Protocol Rust SDK being delivered
//! under the CoW DAO Community Grants Program.
//!
//! See <https://github.com/0xSymbiome/cow-rs> for current status and
//! tracked issues.