# NousResearch/hermes-agent · Session pin persistence bug and fix

## Open now

- Nothing open on GitHub.

A bug caused pinned sessions to revert because the backend rejected the 'pinned' flag with a 400 error that was silently swallowed. A fix was made to properly persist session pin and archive flags via the API.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #80711. Verify it addresses your case.
- **Recommended:** read PR #80711 (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-80711`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.67`: 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

- #75468: Desktop sidebar session pin/unpin does not persist: backend PATCH rejects 'pinned' (400, error swallowed)

## Prior & competing PRs

- **#80711: Pin as many sessions as you want, and they stay where you put them**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `apps/desktop/src/app/chat/sidebar/index.tsx`, `apps/desktop/src/app/chat/sidebar/order.test.ts`, `apps/desktop/src/app/chat/sidebar/order.ts`, `apps/desktop/src/app/chat/sidebar/sessions-section.tsx`, `apps/desktop/src/app/session/hooks/use-session-list-actions.ts`, `apps/desktop/src/hermes.ts`, `apps/desktop/src/store/gateway-switch.ts`, `apps/desktop/src/store/layout-pinned-order.test.ts`, `apps/desktop/src/store/layout.ts`, `apps/desktop/src/store/session-pin-sync.test.ts`, `apps/desktop/src/store/session-pin-sync.ts`, `gateway/platforms/api_server.py`, `tests/gateway/test_session_api.py`
- **#75486: fix(api): persist session pin and archive flags**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `f16b80362c`, `#75468`

## Fix status

- Merged to main in PR #80711 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-07`.