Render Workflow Graph

Example request

{
  "manifest": {
    "version": 1,
    "run_id": "01HV6D7S5YF4Z4B2M7K4N0Q6T9",
    "parent_id": "01HV6D7S5YF4Z4B2M7K4N0Q6T8",
    "title": "Add rate limiting to auth endpoints",
    "cwd": "/tmp/project",
    "git": {
      "origin_url": "https://github.com/acme/my-app.git",
      "branch": "feature/foo",
      "sha": "abc123def"
    },
    "target": {
      "identifier": "smoke",
      "path": ".fabro/workflows/smoke/workflow.fabro"
    }
  }
}