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OpenCode background subagents stay busy after the parent turn settles, but they never emit task lifecycle events. The reaper therefore treats the thread as idle and stops the provider session. Related child session.status of busy or retry now records a live task, and idle clears it. The existing background-liveness guard skips the reap while that work is running. Fixes pingdotgg#13514 Co-authored-by: maco <macodev00@users.noreply.github.com>
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What Changed
Related OpenCode child
session.statusnow feeds the existing background-liveness registry.busyandretryrecord a live task;idleclears that child. The session reaper is unchanged and already skips a thread whilebackgroundLivenessis set.Why
Fixes pingdotgg#13514
On a headless OpenCode session, long-running background subagents keep the provider busy after the parent turn settles, but they never emit
task.*events. The reaper measured only user-facing activity and stopped the session withinactivity_threshold, aborting in-flight work. Child status is the signal that this work is still live. Completion notifications on the parent do not move the idle clock, so they are not used.Checklist
No UI changes.