Description

This epic follows up on #31546 to collect tasks related to internal to external token exchange.

📌 References

• Discussion:
• Design Document: Internal to External Token Exchange

✅ Core Tasks

🧩 Related Issues

These issues are related to internal-external token exchange. They should be triaged and evaluated to determine whether they are required for full support.

• Token exchange. Internal -> External fails(not_linked) even though account is linked #37193
• Newly added OAuth2 Identity Provider feature in 26.3.0 doesn't refresh external access tokens automatically #41085