Class stat

src/mcp/mcp.c:2404–2404

    char adr_path[CBM_SZ_4K];
    snprintf(adr_path, sizeof(adr_path), "%s/.codebase-memory/adr.md", root_path);
    struct stat adr_st;
    return stat(adr_path, &adr_st) == 0;
}