Vellum-ai

The Execute Workflow Stream API may respond with 400's if you pass invalid data. Now, API clients will be able to handle this case.

Additionally, we've made output types nullable in the case that you didn't specify an output value in Final Output Nodes.

- Introduce new PATCH Document Endpoint
- Correctly mark `execution_id` as being required for workflow events

Add support for including node events in workflow stream.

1. Remove set_document_metadata endpoint
2. Begin transition from run_id to execution_id

Add metadata filtering for documents