preflight 5

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

Update copilot for DeepSeek Harness: full version radar over the DSH core, shipped bundles, and every installed plugin (merged package-centric across profiles); gated one-click plugin updates behind the full compatibility gate, a single pinned core update

Agent-agnostic skill that turns task input files into reusable structural briefs and a per-task searchable index (OpenAI Codex, Claude Code, DeepSeek Harness)

Review-first request-dialect preflight for custom DeepSeek Harness providers.

Pre-flight check for a DeepSeek Harness profile's plugin tree: static checks (syntax, package structure, patch references, config-tree assembly) plus optional real-boot smoke (isolated `dsh web` instance) and page-side smoke (headless Edge over CDP), with