# NousResearch/hermes-agent · Hygiene agent in-place compression fixes

## Open now

- Nothing open on GitHub.

These items address bugs in the hygiene agent's in-place compression flow, including a fallback when archive_and_compact fails, a missing _last_compaction_in_place attribute, and improved warning messages for missed commits.

## 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 #115835. Verify it addresses your case.
- **Recommended:** read PR #115835 (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-115835`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #71097: Hygiene Agent In-Place Compression Fails: _last_compaction_in_place Not Set

## Prior & competing PRs

- **#115835: fix(gateway): hygiene compression warning names the real reason a commit was missed (#71097)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `gateway/run_turn.py`, `tests/gateway/test_hygiene_no_commit_reason.py`
- **#71115: fix(compression): fall back to replace_messages when archive_and_compact fails (#71097)**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `ebda770a465f`, `#115835`, `#71097`

## Fix status

- Merged to main in PR #115835 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-19`.
- Subsystem: `agent`