self-heal 2

Boot-time guard for DeepSeek Harness: repairs corrupt session logs, snapshots manifests + linked sources, preflights bundle resolution and composition, vm-checks client artifacts, smokes host apply() in a child process and quarantines crash-causing bundle

Restart recovery for dsh web: after a crash/restart, an interrupted agent turn continues automatically (host-side agent/created listener — no browser timing races). Pairs with the dsh-web-guard skill (which auto-relaunches the web process); together they