- Fix type mappings in OpenAIRequest and BackendConfig to handle structured message parts (cache-control).
- Stop adaptRequest crashing when message contents are objects or arrays.
- Forward stream, top_k, and stop_sequences to adaptRequest.
- Forward anthropic-version header to backend endpoints during adaptation.
- Parse structured JSON error payloads from upstream before returning generic "Upstream rejected request" error.
- Create .github/workflows/cloudflare.yml to auto-deploy on master branch pushes.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
