{"version":"2.1.174","anchor":"fallback-model-event-covers-more-trigger-types","canonical_anchor":"fallback-model-event-covers-more-trigger-types","heading":"Fallback Model Event Covers More Trigger Types","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.174\/e\/fallback-model-event-covers-more-trigger-types","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.174","markdown":"### Fallback Model Event Covers More Trigger Types\n\nThe internal `model_switched` event \u2014 emitted when a turn falls back from the primary model \u2014 now tracks two additional trigger reasons: `\"server_error\"` (retryable 5xx pivot) and `\"last_resort\"` (non-retryable error on the primary). Previously only `model_not_found`, `permission_denied`, and `overloaded` were tracked.\n\n**Evidence**\n\nFallback trigger enum (search for `\"last_resort\"` near `\"model_not_found\"` and `\"overloaded\"` in the fallback model schema)"}