{"name":"tengu_brass_lantern","slug":"tengu-brass-lantern","family":"flag","title":"Feature flags","noun":"feature flag","description":"New startup telemetry tracks managed-config readiness and an optional live identity check","description_source":"entry","described_by":{"version":"2.1.269","anchor":"new-telemetry-tengu-managed-config-ready-and-live-identity"},"presence":{"first_seen":"2.1.271","removed_in":"2.1.290","in_current_build":false,"newest_mined":"2.1.322","builds":14,"mined_builds":161,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.269","anchor":"new-telemetry-tengu-managed-config-ready-and-live-identity","heading":"New telemetry: tengu_managed_config_ready and live-identity cross-check, gated by tengu_brass_lantern","line":"New startup telemetry tracks managed-config readiness and an optional live identity check","released_at":"2026-09-11 18:12:49","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_brass_condor_loupe","slug":"tengu-brass-condor-loupe","description":"A remote-config gate decides whether an internal UI element shows a summary view or stays hidden."},{"name":"tengu_brass_kite","slug":"tengu-brass-kite","description":"A tool lets Claude offer one-time Claude in Chrome setup through a card after a Chrome tool finds the extension is not connected"},{"name":"tengu_brass_plover","slug":"tengu-brass-plover","description":"Artifacts can show who else is viewing live, but only if you set an environment variable."},{"name":"tengu_brass_sled","slug":"tengu-brass-sled","description":"Default `false`. When on, the `PowerShell` tool's prompt gets a \"Developer tools verified on this machine's PATH\" line listing the build and dev tools Claude Code detected, telling Claude that a tool missing from the list is likely not installed and should be checked with `Get-Command` first; on Windows it adds a note that the MSVC toolchain (`cl`, `nmake`, `msbuild`) is only on PATH inside a Visual Studio developer shell. The line is left out when no tools were detected."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-brass-lantern","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}