dsh-vibe-pack: Transactional Pure Data Configuration Package Manager for DeepSeek Harness

# Introduction During the long-term maintenance of a DSH instance, configuration resources under `$DSH_HOME` easily turn into a tangled mess: files are manually copied in; if a modification corrupts them, it is unclear where the change was made; when two configuration packages are written to the same file in succession, they overwrite each other; and once a problem occurs, it is impossible to trace the source or revert the changes. While DSH's philosophy is "Everything is a plugin," there were no existing tools to transform the distribution and removal of data-oriented configuration resources into auditable transactions. The `dsh-vibe-pack` introduced below is designed to address this issue: it implements resource installation as a transaction that supports previewing, installing, and rolling back, while tracking file provenance throughout the entire process. # What is this `dsh-vibe-pack` is a transactional, pure-data configuration package manager for DeepSeek Harness.