dsh-rollback-visual: DeepSeek Harness /rollback Session Rollback Plugin (Deprecated)

dsh-rollback-visual is the plugin repository for DSH's /rollback and is now deprecated and no longer maintained. Its design philosophy was to record checkpoint anchors at the end of each round; when rolling back, it would fork a sub-session at the boundary sequence number, preserve transaction markers in the source session, and perform boundary validations such as out-of-bounds, busy, and cancelled states. The backend trio (timeline-rollback, rollback-basic, command-rollback) was available at the time, but the functionality was covered by the built-in fork/branch features of the official DSH, constituting a reinvention of the wheel; the front-end visualization based on MutationObserver DOM injection had fundamental flaws and was abandoned. The repository is now only...