# NousResearch/hermes-agent · Duplicate assistant reply during mid-stream session switch

## Open now

- Nothing open on GitHub.

These items address a desktop bug where switching sessions while a response is still streaming causes the assistant's reply to appear twice — as both a frozen copy and a live copy. The work involves deduplication logic, transcript pinning, and partial-turn handling during session transitions.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 2 PR(s) closed without merging.
- A fix was merged to main in PR #121602. Verify it addresses your case.
- **Recommended:** read PR #121602 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-121602`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member 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.

## Closed / duplicate issues

- #121122: \[Bug\]: Desktop — assistant reply rendered twice (frozen copy + live copy) after switching sessions while a turn is streaming

## Prior & competing PRs

- **#121602: fix(desktop): pin transcript during streamed growth; no duplicate reply after mid-stream session switch**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/src/app/session/hooks/use-session-actions/utils.test.ts`, `apps/desktop/src/app/session/hooks/use-session-actions/utils.ts`, `apps/desktop/src/components/assistant-ui/thread/list-session-scroll.test.tsx`, `apps/desktop/src/components/assistant-ui/thread/list.tsx`, `apps/desktop/src/store/thread-scroll.ts`
- **#121140: fix(desktop): dedupe live stream row by text-extension, not exact match**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `42457cc233`, `#121602`, `#121122`
- **#121144: fix(desktop): fold still-streaming dump into same-turn committed partial on session switch**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `42457cc233`, `#121602`, `#121122`

## Fix status

- Merged to main in PR #121602 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-24`.