Implements native AI Core support with:
- OAuth2 token refresh
- Deployment discovery via /v2/lm/deployments
- Anthropic Messages API via /invoke endpoint
- Uses bedrock-2023-05-31 API version (AI Core uses Bedrock format)
- Model field omitted from body (deployment URL specifies model)
- Retry logic with exponential backoff
Tested via integration tests against live AI Core endpoint.
Rodin