Interactive playground

Inspect state transitions and evidence in one surface.

Pick a scenario, scrub through the visible event count, and inspect how the reducer changes the rendered workbench. This is the same API surface shipped by the package.

Scenario

Visible event count

13 / 15

A long-running agent flow with tool events, checkpoints, artifacts, and a handoff into review.

Latest event

{
  "id": "agent-13",
  "taskId": "task_agent_01",
  "type": "step_started",
  "state": "synthesizing",
  "timestamp": "2026-04-29T09:01:34.000Z",
  "title": "Running checks",
  "message": "Build and smoke checks are underway.",
  "stepId": "agent-verify",
  "stepLabel": "Run checks",
  "elapsedMs": 94000
}

Synthesizing01:34

Agent Workbench

2-10 minutes. This is no longer a loading state.

CancelBackgroundReview

Stage Rail

Plan executioncompleted

Lock scope, constraints, and success criteria.

Inspect workspacecompleted

Read files and infer the safe edit boundary.

Apply changescompleted

Mutate the project with checkpoints.

Run checksactive

Execute tests and gather proof.

Package outputpending

Collect diffs, screenshots, and review notes.

Artifacts

diff

Patch preview

A reviewable diff summary with ownership notes.

Evidence Feed

Running checks01:34

Build and smoke checks are underway.

Implementation checkpoint saved01:32

The code changes are stable enough for verification.

Task moved to background01:10

The user can leave without losing progress.

Artifact created01:04

A patch preview is available before verification.

Applying changes00:49

The agent is editing and staging artifacts for review.

Inspection complete00:48

Safe edit boundaries are now visible.