asciichat_error_t
Error and exit codes - unified status values (0-255)
asciichat_error_t acds_string_init(void)
Initialize random number generator for string generation.
bool acds_string_validate(const char *str)
Validate session string format.
asciichat_error_t acds_string_generate(char *output, size_t output_size)
Generate random session string.