feat: use claude 4.5 on Vertex for DAP (!3645) · Merge requests · GitLab.org / ModelOps / AI Assisted (formerly Applied ML) / Code Suggestions / AI Gateway · GitLab

What does this merge request do and why?

Claude 4.5 doesn't work correctly when both fine-grained and context-1m headers are used: Tool call generates an invalid json when fine-g... (#1557). The problem is not reproducible on Vertex. Let's provide this option only.