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Classic298andGitHub
c055203f29
`_normalize_token_expiry()` derived the session expiry from the access token alone, and that value is what `oauth_session.expires_at` stores and what both `get_oauth_token()` implementations check to decide whether to refresh five minutes ahead. Providers that issue a shorter-lived id_token than access token (Microsoft Entra ID: roughly 60 minutes against 75) therefore left a window where the session still looked valid while the id_token had already expired, so pipes and tools reading `__oauth_token__["id_token"]` forwarded a dead JWT and downstream services rejected it with 401. The stored expiry is now capped at the id_token's `exp` claim whenever that JWT expires first, which moves the refresh ahead of the earliest expiring token in the set. This is applied in the single function every session write already passes through, so it covers both the SSO manager and the MCP client manager on their callback and refresh paths alike. Sessions without an id_token, with an opaque one, or with no `exp` claim are unaffected. Fixes #27066