Pause: unable to complete stale-presence fix in this session

[Copilot]

This issue reports that dead agents can remain in roster output with stale live-looking status/activity, which misleads operators and peer agents during delegation/routing.

• Status

  • No code changes were completed in this session due quota limits.
  • No reproducible-fix PR content is available yet from this run.

• Intended scope for follow-up PR

  • Reproduce stale-presence behavior end-to-end in a smoke scenario.
  • Tighten presence liveness/offline materialization so dead entries do not continue to present stale live status/activity.
  • Add focused smoke coverage for crash/respawn/name-collision behavior and roster output semantics.

// planned direction (illustrative only):
if (peerIsBeyondLivenessWindow(record.ts)) {
  roster.set(id, toOffline(record)); // scrub stale live status/activity semantics
}

• Fixes Stale presence entries retain a dead agent's last-known status indefinitely, masking that it died #286

[Copilot]

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[davidfarah2003]

Closing: empty diff — the session paused before producing a change, and the underlying stale-presence issue is addressed by the #294 line of work.