{"version":"2.1.261","anchor":"prefix-lock-rejection-warning-message-is-a-no-op-stub-alway","canonical_anchor":"prefix-lock-rejection-warning-message-is-a-no-op-stub-alway","heading":"Prefix-lock-rejection warning message is a no-op stub (always empty content)","tier":"soon","area":"API Errors","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.261\/e\/prefix-lock-rejection-warning-message-is-a-no-op-stub-alway","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.261","markdown":"### Prefix-lock-rejection warning message is a no-op stub (always empty content)\n\nPlumbing exists for a prefix-lock-rejection warning message, but it always renders as empty text.\n\nPlumbing for a prefix-lock-rejection warning message is in place, including parsing of the `anthropic-thinking-prefix-mismatch` response header and detection of related safeguards-related 400s, but the function that generates the actual warning text currently always returns an empty string, so no message content is shown yet.\n\n- Area: API Errors\n- Tier: Nothing to try yet\n- Useful: 2\/5\n- Signal: 3\/5\n- Present in the build but not switched on"}