repair 3

DeepSeek Harness diagnostic, repair, and rollback plugin: dsh_doctor (diagnose), dsh_doctor_fix (journaled repair), dsh_doctor_rollback (LIFO undo), plus a Cordis runtime service for dynamic self-healing.

DSH session-log repair plugin: scan every stored session, detect a seq collision in the committed region or a torn trailing record, and repair it from a one-click Web UI, model tools, or the /dsh-session-log-repair command. Installing it also registers it

维修工单结算核对（按项目金额、配件工时合计与结算总额核对算术自洽，仅提示差异，不作出定性结论）