fix(ai-openrouter): stop forwarding root observability metadata to the wire request#737

tombeckenham wants to merge 2 commits into

mainTanStack/ai:mainfrom

735-tanstackai-openrouter-013-root-observability-metadata-is-forwarded-to-chatrequestmetadata-failing-sdk-recordstringstring-validation-on-every-callTanStack/ai:735-tanstackai-openrouter-013-root-observability-metadata-is-forwarded-to-chatrequestmetadata-failing-sdk-recordstringstring-validation-on-every-callCopy head branch name to clipboard