curl -X POST \
-H "Authorization: Bearer alf_your_key_here" \
-H "Content-Type: application/json" \
-d '{
"workflow_type": "MyWorkflow",
"task_queue": "my-task-queue",
"workflow_id": "manual-run-001",
"input": {
"key": "value"
}
}' \
/api/v1/workflows