# NousResearch/hermes-agent · Gateway hygiene miss lets unbounded transcript reach model

## Open now

- Nothing open on GitHub.

A bug where long-running gateway DMs bypass hygiene limits, feeding the model a full uncompressed transcript. Several fixes attempt to enforce a hard bound on model input when hygiene fails or misses.

## TL;DR

- 5 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 3 PR(s) closed without merging.
- A fix was merged to main in PR #112208. Verify it addresses your case.
- **Recommended:** read PR #112208 (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-112208`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.40`: 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

- #111988: \[Bug\]: Long-running gateway DMs rot: hygiene miss feeds the model the full uncompressed transcript

## Prior & competing PRs

- **#112208: fix(gateway): model input stays bounded by hygiene_hard_message_limit when hygiene misses (#111988, salvage #112055)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`; implication `superseded`
  - files: `gateway/run_turn.py`, `tests/gateway/test_session_hygiene.py`, `website/docs/user-guide/configuration.md`
- **#112013: fix(gateway): bound uncompressed hygiene input**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `9b3042902e`, `#112208`
- **#112014: fix(gateway): fail-closed in-context bound on hygiene turn-hold misses**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `9b3042902e`, `#112208`
- **#112055: fix(gateway): bound the model input when hygiene has not landed (fail-closed, payload-only)**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#112208`

## Fix status

- Merged to main in PR #112208 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-16`.