mailbox Directory Reference

Files
	historical_mailbox.hpp
	RegistryMailbox wrapper with timestamped history for multi-input synchronization (Phase 6.3)
	mailbox.hpp
	registry_mailbox.hpp
	timestamped_ring_buffer.hpp
	Thread-safe timestamped ring buffer for multi-input synchronization (Phase 6)
	typed_mailbox.hpp
	Type-restricted mailbox with optimized buffer sizing (Phase 7)