Update workflow

Update an existing workflow. Pass any subset of name, description, workflow_definition, or status. workflow_definition is the full DAG object (nodes + edges + variables) - typically produced by compile-workflow-from-prompt. Returns the updated workflow record.

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "update-workflow",
    "arguments": {
      "workflowId": "00000000-0000-4000-8000-000000000000"
    }
  }
}