Create Session

curl --request POST \
  --url https://api-sandbox.featherhq.com/v1/workflow/playground/sessions \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "catalog_slug": "<string>",
  "revision_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

{
  "session_id": "<string>",
  "graph": {
    "name": "<string>",
    "entry_node_id": "<string>",
    "persona": "<string>"
  },
  "current_step_id": "<string>",
  "completed_steps": [
    "<string>"
  ],
  "context_vars": {},
  "step_count": 123,
  "last_signal": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "catalog_slug": "<string>",
  "revision_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "awaiting_approval": false
}