dsh-windows-workspace-guard

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[!IMPORTANT] Unofficial community plugin. Independently developed and maintained; not reviewed or endorsed by DeepSeek.

Safety policy for DeepSeek Harness on Windows. It checks model-issued PowerShell calls before execution and protects workspaces, original files, persistent shell state, Windows system state, processes, and Git recovery paths.

What it does

• keeps destructive PowerShell targets inside trusted workspace roots;
• makes original/, signing files, or any configured path immutable;
• reviews risky Git commands such as reset --hard, clean -fdx, worktree restore, stash deletion, and force push;
• hard-blocks registry, service, scheduled-task, ACL/ownership, junction/symlink, and nested-shell mutations;
• reviews process termination and supports configurable guarded tool names;
• protects the persistent pwsh session added in DSH v0.1.0-rc.8: relative mutation targets, command shadowing, dot-sourcing, detached work, remote execution, module state, environment state, and current-directory changes;
• supports block, one-time ask, and audit-only report modes;
• adds a live settings card to the official DSH plugin settings page (DSH v0.1.0-rc.7 or newer);
• writes optional append-only JSONL audit records with redacted previews and command hashes;
• permanently blocks disk operations, broad roots, encoded execution, System.IO bypasses, and protected paths.

Install

dsh plugin --profile web add github:julescules/dsh-windows-workspace-guard#v0.4.0
dsh --profile web --dump-config

Restart DSH after installation.

Recommended config

- id: windows-workspace-guard
  name: dsh-windows-workspace-guard
  config:
    mode: ask
    workspaceRoots:
      - 'D:\projects\current-project'
    protectedPaths:
      - 'D:\projects\current-project\original'
    guardGit: true
    guardSystem: true
    guardProcesses: true
    guardPersistentShell: true
    requireAbsoluteMutationPaths: true
    auditPath: 'D:\projects\current-project\operation_logs\dsh-guard.audit.jsonl'

On DSH v0.1.0-rc.7 or newer, the same fields can be changed from Settings → Plugins → Windows Workspace Guard and apply immediately without restarting the plugin. DSH v0.1.0-rc.8 or newer is recommended for the persistent Windows PowerShell integration.

requireAbsoluteMutationPaths is enabled by default. Read-only commands may still use relative paths, but file deletion, move, copy, rename, and overwrite operations must use drive-qualified or UNC paths. This prevents an earlier persistent Set-Location call from changing the meaning of a later command.

Hard blocks cannot be bypassed by allowExact or report mode.

Check without running

The plugin registers windows_workspace_guard_check. The agent can inspect a command and receive stable PASS, REVIEW, or FAIL JSON without executing it.

Verified

• 34/34 unit, browser-contract, and adversarial tests pass;
• official dsh.bundle.patch package shape;
• official keyed settings.plugin.item card and settingsScope live-config contract;
• official tools/pre-execute allow/deny/ask contract;
• real @deepseek-ai/dsh@0.1.0-rc.8 profile install, config composition, Web Host boot-graph discovery, and served client bundle;
• package contains no install-time build step;
• UTF-8 append-only audit with common secret redaction.

npm run check
npm pack --dry-run

Limits

• Static inspection is not a complete PowerShell parser or OS sandbox.
• pwsh is intercepted by default; add other PowerShell tool names in toolNames.
• Existing junction/symlink targets are not resolved against the live filesystem; creation is hard-blocked.
• The plugin cannot introspect the live PTY current directory, so absolute mutation paths are the default safety boundary.
• DeepSeek Harness is in developer preview; pin a reviewed release or commit.

License

MIT