The tengu_heron_brook value resolution, choosing between a client-data override and a local flag, has been refactored so the tengu_heron_brook_applied telemetry event is emitted once from the caller after a value is chosen, unifying previously duplicated call sites.
tengu_heron_brook Not enough to sayNothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.
This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.257: no gate table built for this version
These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.
Read once, for one account on one subscription tier, against v2.1.257. It isn't a statement about your account. What a flag value here can and cannot tell you