{"name":"tengu_tether_echo_audit","slug":"tengu-tether-echo-audit","family":"flag","title":"Feature flags","noun":"feature flag","description":"New telemetry events track the tether feature's threading decisions, outcomes, and echo audits","description_source":"entry","described_by":{"version":"2.1.265","anchor":"new-telemetry-tether-decisionoutcomeecho-audit-events"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.319","builds":0,"mined_builds":159,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.275","anchor":"new-telemetry-event-tengu-tether-unrecognised-400","heading":"New telemetry event tengu_tether_unrecognised_400","line":"Claude Code added a new telemetry event, tengu_tether_unrecognised_400, for the thread-continuation system","released_at":"2026-09-17 20:20:31","reason":"found in this entry's text"},{"version":"2.1.265","anchor":"new-telemetry-tether-decisionoutcomeecho-audit-events","heading":"New telemetry: tether decision\/outcome\/echo-audit events","line":"New telemetry events track the tether feature's threading decisions, outcomes, and echo audits","released_at":"2026-09-08 19:05:16","reason":"gate cited by this entry"},{"version":"2.1.265","anchor":"echo-audit-diffing-of-received-vs-sent-assistant-turns","heading":"Echo-audit diffing of received vs sent assistant turns","line":"New audit compares assistant turns as sent versus as echoed back by the server, classifying any mismatches","released_at":"2026-09-08 19:05:16","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":3,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_tether_decision","slug":"tengu-tether-decision","description":"New gated 'tether' system can thread API requests together server-side instead of resending full context each turn"},{"name":"tengu_tether_live_outcome","slug":"tengu-tether-live-outcome","description":"New gated 'tether' system can thread API requests together server-side instead of resending full context each turn"},{"name":"tengu_tether_unrecognised_400","slug":"tengu-tether-unrecognised-400","description":"Claude Code added a new telemetry event, tengu_tether_unrecognised_400, for the thread-continuation system"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-tether-echo-audit","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}