# NousResearch/hermes-agent · Context compression drops in-flight tool chain bug

## Open now

- Nothing open on GitHub.

A bug where context compression can discard an in-flight tool chain, causing side effects to complete without results reaching the agent and triggering unwanted replays. The cluster includes the bug report and two related fix attempts.

## 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 #80916. Verify it addresses your case.
- **Recommended:** read PR #80916 (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: `unresolved`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #79278: \[Bug\]: context compression can drop an in-flight tool chain — side effect completes, result never reaches the agent, agent replays

## Prior & competing PRs

- **#80916: fix(compress): preserve in-flight tool chain across context compression (salvage #79293)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/context_compressor.py`, `contributors/emails/[redacted:email]`, `tests/agent/test_context_compressor.py`
- **#79293: fix(compress): preserve in-flight tool chain across context compression (#79278)**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#80916`, `#79278`

## Fix status

- Merged to main in PR #80916 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-07`.
- Subsystem: `agent`