{"name":"tengu_cache_heartbeat_shadow","slug":"tengu-cache-heartbeat-shadow","family":"flag","title":"Feature flags","noun":"feature flag","description":"Logic measuring how long you've been idle logs what a cache stop would do without doing it.","description_source":"entry","described_by":{"version":"2.1.251","anchor":"idle-session-cache-stop-policy-runs-in-shadow-mode"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":{"version":"2.1.251","released_at":"2026-08-28 15:34:26","spans":1}},"aliases":[],"entries":[{"version":"2.1.251","anchor":"idle-session-cache-stop-policy-runs-in-shadow-mode","heading":"Idle-session cache stop policy runs in shadow mode","line":"Logic measuring how long you've been idle logs what a cache stop would do without doing it.","released_at":"2026-08-28 15:34:26","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_cache_warming_request","slug":"tengu-cache-warming-request","description":null},{"name":"tengu_cached_pebble","slug":"tengu-cached-pebble","description":"Claude Code has a new remote switch that falls back to off when the server sends nothing, and what it controls is not known"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-cache-heartbeat-shadow","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}