b62b52aab1
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.