//! # Shared Memory Adapter
//!
//! Production implementation using memory-mapped files.
//!
//! ## Architecture
//!
//! Uses `memmap2` for cross-process shared state.
//! Based on the original thegent SHM implementation.
/// Shared memory adapter for production use
///
/// Uses memory-mapped files for cross-process state sharing.
/// This is a stub - the full implementation will be extracted from thegent.
// Implement ports for SharedMemoryAdapter
// These will be implemented when the actual SHM logic is migrated