common Directory Reference

Files
	buffer_sizes.h
	Common buffer size definitions.
	error_codes.h
	Error and exit codes - unified status values (0-255)
	limits.h
	Application limits and constraints.
	log_rates.h
	Logging rate limit constants (in microseconds)
	protocol_constants.h
	Protocol version, features, compression, and frame flag constants.
	shutdown.h
	Shutdown check system for clean library/application separation.
	string_constants.h
	String literal constants.