Create Workflow From Task

Create a workflow from an existing agent task's recorded history. This endpoint creates a workflow by using the browser-use rerun history feature. The task must have completed with history stored in S3. The workflow creation process: 1. Creates a new workflow record in pending state 2. Triggers an Inngest event to process the task history 3. The Inngest handler downloads history, detects variables, and updates the workflow Use GET /workflows/{workflow_id} to poll for creation completion.