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NousResearch/hermes-agent

Kanban WS disconnect leaks poll tasks, CPU saturation

Cluster 77833 · dashboard. Data as of

Nothing open on GitHub. Fix merged in #86754 on 15 Aug 2026. Check it covers your case.

The short answer

0open issues
0open PRs
3items grouped
Known?
Yes. 3 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #86754. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #86754. That is separate from the fix event.
Still open
Nothing open on GitHub.

These items address a bug where disconnected WebSocket clients on idle Kanban boards leave orphaned polling tasks that saturate the executor pool and cause sustained high CPU usage. Related work bundles additional idle and polling CPU fixes across desktop UI components.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #86754 perf(desktop/dashboard): salvage idle & polling CPU fixes — unfocused UI pause, sidebar scan bounds, pet poll, PTY back-off, kanban WS zombie reap

    merged to main

    files: apps/desktop/src/app/contrib/hooks/use-background-sync.test.ts, apps/desktop/src/app/contrib/hooks/use-background-sync.ts, apps/desktop/src/app/shell/hooks/use-status-snapshot.test.ts, apps/desktop/src/app/shell/hooks/use-status-snapshot.ts, apps/desktop/src/components/assistant-ui/thread/status.test.tsx, apps/desktop/src/components/chat/activity-timer.test.tsx, apps/desktop/src/components/chat/activity-timer.ts, apps/desktop/src/hooks/use-viewed-interval.ts, apps/desktop/src/lib/statusbar.tsx, contributors/emails/[redacted:email], contributors/emails/[redacted:email], contributors/emails/{ID}+{username}@users.noreply.github.com, hermes_cli/web_routers/profiles.py, hermes_cli/web_server.py, plugins/kanban/dashboard/plugin_api.py, tests/hermes_cli/test_cron_profile_enumeration_lightweight.py, tests/hermes_cli/test_profiles_sidebar_cache.py, tests/hermes_cli/test_web_server_pty_idle_backoff.py, tests/plugins/test_kanban_ws_idle_disconnect.py, ui-tui/src/__tests__/petPolling.test.ts (+2 more)

1 PR closed without merging

From the close comments: merged via another change 1

  • #77884 fix(kanban): detect WS client disconnect on idle board, prevent zombie poll tasks · merged via another change → #86754
Closed issues · 1
  • Closed#77833[Bug] Kanban event-stream WS handler leaks poll tasks on client disconnect — executor pool saturates, sustained 100%+ CPU
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem
dashboard
Merged PRs
#86754
Closed issues
1
Attempts
1 PR closed without merging
Fix link checked
15 Aug 2026

For your agent

The same facts, typed.

cluster/77833.json
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