Unclear Nothing shows what turns this setting on or what it changes once on.
What
Claude Code gained an internal setting, hostManagedRunnerChild, that marks a session as one started by a runner that a host program manages. It is off by default.
Why
It points toward sessions run under the control of another program, but nothing visible depends on it yet.
Names in the bundlehostManagedRunnerChild
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
Nothing shows what turns this setting on or what it changes once on.