Function prompt_yn

src/cli/cli.c:6729–6756

}

static bool prompt_yn(const char *question) {
    if (g_auto_answer == AUTO_YES) {
        printf("%s (y/n): y (auto)\n", question);
        return true;
    }
    if (g_auto_answer == AUTO_NO) {
        printf("%s (y/n): n (auto)\n", question);
        return false;
    }

    /* Non-interactive stdin: default to "no" to avoid hanging */
#ifndef _WIN32
    if (!isatty(fileno(stdin))) {
        (void)fprintf(stderr,
                      "error: interactive prompt requires a terminal. Use -y or -n flags.\n");
        return false;
    }
#endif

    printf("%s (y/n): ", question);
    (void)fflush(stdout);

    char buf[CLI_BUF_16];
    if (!fgets(buf, sizeof(buf), stdin)) {
        return false;
    }
    return (buf[0] == 'y' || buf[0] == 'Y') ? true : false;
}

/* ── SHA-256 checksum verification ─────────────────────────────── */