Teknium f295b17d92 fix: make agent_thread daemon to prevent orphan CLI processes on tab close (#8557) ...

When a user closes a terminal tab, SIGHUP exits the main thread but
the non-daemon agent_thread kept the entire Python process alive —
stuck in the API call loop with no interrupt signal. Over many
conversations, these orphan processes accumulate and cause massive
swap usage (reported: 77GB on a 32GB M1 Pro).

Changes:
- Make agent_thread daemon=True so the process exits when the main
  thread finishes its cleanup. Under normal operation this changes
  nothing — the main thread already waits on agent_thread.is_alive().
- Interrupt the agent in the finally/exit path so the daemon thread
  stops making API calls promptly rather than being killed mid-flight.

2026-04-12 12:38:55 -07:00

431 KiB

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