dsh-safe-workflow

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An independent DeepSeek Harness plugin for safer, evidence-backed coding workflows.

It provides one model-facing tool, safe_workflow, with these operations:

• start: create a task contract;
• status: inspect the active contract;
• checkpoint: snapshot the selected workspace state;
• restore: restore a checkpoint;
• verify: run a verification command and record its output;
• close: close the contract.

It also installs two native policy listeners:

• tools/pre-execute: checks path rules and asks for approval before mutating tools;
• tools/execute: creates an automatic best-effort checkpoint before mutation.

Install into a DSH source checkout

Build this project first:

npm install
npm run check

Then, from the DSH checkout, install this directory into the Web profile:

DSH_DIR=/path/to/deepseek-harness
PLUGIN_DIR=/path/to/dsh-safe-workflow

cd "$DSH_DIR"
pnpm dsh plugin --profile web add "$PLUGIN_DIR"
pnpm dsh --profile web --dump-config | grep dsh-safe-workflow
pnpm dsh web

After installation, the plugin appears in the DSH plugin list and is enabled for the Web profile:

The plugin writes state into the current session workspace under .dsh-safe-workflow/:

contract.json       active task contract and verification records
audit.jsonl         append-only session/tool/checkpoint evidence
checkpoints/        checkpoint manifests and copied files

Example workflow

Start a safe workflow titled "Fix parser regression".
Goal: fix the parser regression without changing public APIs.
Acceptance checks: run npm test and npm run typecheck.
Only allow changes under src/ and test/.
Require approval before bash, write, edit, or str_replace_editor.

Then ask the agent to use safe_workflow verify after the implementation and safe_workflow close only when the acceptance checks pass.

When a mutating tool is about to run, the approval gate explains the requested operation and lets you approve or keep the contract unchanged:

Important limitations

This is a workflow guard, not a process sandbox. A plugin runs in the host process and has the host's permissions. The first version provides policy, evidence, and best-effort file snapshots; it does not promise atomic rollback of arbitrary shell side effects, network operations, databases, or files that were not included in a checkpoint.

For production use, review the source, pin the plugin version or commit, keep .dsh-safe-workflow out of sensitive repositories if needed, and run it with DSH's normal sandbox and approval layers enabled.