# NousResearch/hermes-agent · Desktop model-switch causes duplicate user messages

## Open now

- Nothing open on GitHub.

Reports and fixes targeting a bug where switching models on desktop causes user messages to duplicate and stack. Related issues include cross-profile session bleed and unwanted system marker bubbles appearing in the UI.

## TL;DR

- 4 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 2 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #69861. Verify it addresses your case.
- **Recommended:** read PR #69861 (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-69861`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #67603: Desktop: user messages duplicated and stacked at bottom after model switch

## Prior & competing PRs

- **#69682: fix(desktop): prevent stale optimistic tails after compression**. 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`
- **#69861: fix(desktop): end the #67603 model-switch dup, cross-profile session bleed, and \[System:\] bubble**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/src/app/contrib/hooks/use-desktop-integrations.ts`, `apps/desktop/src/app/session/hooks/use-prompt-actions/index.test.tsx`, `apps/desktop/src/app/session/hooks/use-prompt-actions/index.ts`, `apps/desktop/src/app/session/hooks/use-prompt-actions/submit.ts`, `apps/desktop/src/app/session/hooks/use-session-actions.test.tsx`, `apps/desktop/src/app/session/hooks/use-session-actions/index.ts`, `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/store/session.test.ts`, `apps/desktop/src/store/session.ts`, `tests/test_tui_gateway_server.py`, `tui_gateway/server.py`
- **#68665: fix(desktop): stop model-switch markers duplicating user messages**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `#69861`, `#69682`

## Fix status

- Merged to main in PR #69861 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-07-23`.
- Subsystem: `apps/desktop`