{"name":"tengu_wif_user_oauth_refresh_token_cleared","slug":"tengu-wif-user-oauth-refresh-token-cleared","family":"flag","title":"Feature flags","noun":"feature flag","description":"An analytics event, not a feature flag. Claude Code logs it, with no fields, after a workload identity federation token request fails with HTTP `400` or `401` and an `invalid_grant` body, and Claude Code removes the stored `refresh_token` from the cached credentials file because it is still the same token that was used.","description_source":"code","described_by":{"bundle":"2.1.286","author":"claude-opus-5-5"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.309","builds":0,"mined_builds":150,"first_cited":{"version":"2.1.122","released_at":"2026-04-28 17:35:53","spans":1}},"aliases":[],"entries":[{"version":"2.1.122","anchor":"improved-mcp-oauth-error-recovery","heading":"Improved MCP OAuth Error Recovery","line":null,"released_at":"2026-04-28 17:35:53","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-wif-user-oauth-refresh-token-cleared","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}