follow stab55_32, 1. fix CUDA/MPI error macro double evaluation; 2. confirm cold c128 C=1 setup fails with real OOM error 0002; 3. add static regression and update evidence. [opencode].
follow stab55_32, 1. fix CUDA/MPI error macro double evaluation; 2. confirm cold c128 C=1 setup fails with real OOM error 0002; 3. add static regression and update evidence. [opencode].