Function ensure_parent_dir

src/cli/cli.c:3220–3239

}

static int ensure_parent_dir(const char *path) {
    if (!path || !path[0]) {
        return CLI_ERR;
    }
    char dir[CLI_BUF_1K];
    int written = snprintf(dir, sizeof(dir), "%s", path);
    if (written < 0 || (size_t)written >= sizeof(dir)) {
        return CLI_ERR;
    }
    char *last_slash = strrchr(dir, '/');
    char *last_backslash = strrchr(dir, '\\');
    if (last_backslash && (!last_slash || last_backslash > last_slash)) {
        last_slash = last_backslash;
    }
    if (!last_slash || last_slash == dir) {
        return CLI_OK;
    }
    *last_slash = '\0';
    return mkdirp(dir, DIR_PERMS) == 0 ? CLI_OK : CLI_ERR;
}

int cbm_upsert_instructions(const char *path, const char *content) {
    if (!path || !content) {