Rivet Libraries v1.20.0

New Features

• Support for "cache breakpoints" such as in Anthropic's Prompt Caching
• New "Play Audio" node.
• Support OpenAI Structured Outputs
• Support for "Run From Here" by using preloaded data.
• Beta support for OpenAI o1-preview models

Fixes & Changes

• Lazy-import gpt-tokenizer for improved import time
• Fixes for "Run From Here"