DeepSeek Harness 状态链路DeepSeek Harness 从 Session log 和状态插件生成 runtime context，经 Surface projection 替换当前快照，再重建模型请求。
Session logevents · sources · replay
state pluginscwd · time · todo · jobs
pre-steprefresh · validate · merge
RuntimeContextcompare · replace · clear
Surface → modelrebuildable messages
durable snapshotsource · sequence · clear