{"name":"tengu_refusal_fallback_triggered","slug":"tengu-refusal-fallback-triggered","family":"flag","title":"Feature flags","noun":"feature flag","description":"If compaction's model is refused, it retries on an allowed fallback instead of failing outright.","description_source":"entry","described_by":{"version":"2.1.246","anchor":"compaction-retries-on-a-fallback-model-when-the-summarizer-i"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.309","builds":0,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.274","anchor":"silent-server-armed-fallback-lane-for-refusedfailed-model","heading":"Silent, server-armed fallback lane for refused\/failed model turns","line":"A hidden, server-controlled fallback path can now retry refused model turns under different, less visible telemetry names","released_at":"2026-09-16 22:36:09","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.246","anchor":"compaction-retries-on-a-fallback-model-when-the-summarizer-i","heading":"Compaction retries on a fallback model when the summarizer is refused","line":"If compaction's model is refused, it retries on an allowed fallback instead of failing outright.","released_at":"2026-08-25 19:17:34","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_refusal_fallback_preference_prompt","slug":"tengu-refusal-fallback-preference-prompt","description":"Switching to a fallback model after a refusal can now ask you first, and remembers your answer"},{"name":"tengu_refusal_fallback_resume_latch","slug":"tengu-refusal-fallback-resume-latch","description":"Safeguard and refusal notices now end with a Details line naming the refusal category."},{"name":"tengu_refusal_fallback_route_declined","slug":"tengu-refusal-fallback-route-declined","description":"A new bypass lets Claude Code re-offer a fallback model for bio-related refusals even after the user already declined that route"},{"name":"tengu_refusal_fallback_setting_changed","slug":"tengu-refusal-fallback-setting-changed","description":"The setting that switches models on a flagged refusal now records when you change it."},{"name":"tengu_refusal_fallback_suppressed","slug":"tengu-refusal-fallback-suppressed","description":"A new bypass lets Claude Code re-offer a fallback model for bio-related refusals even after the user already declined that route"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-refusal-fallback-triggered","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}