build-zeroday

Use when the user asks to build, package, or create Docker images based on vllm/vllm-openai or ascend/vllm-ascend base images. Handles building zeroday images with engine-requirements and optional patches, then exporting as tgz files (gzipped via pigz) to /os_nfs/06_images/.

Split large files into smaller parts using `split` command. Use ONLY when the user asks to split/chunk a file, mentions file splitting by size, or asks to break a large file into parts for transfer. Generates a metadata txt file with original MD5 and merge command.