# NousResearch/hermes-agent · Session compression failure handling and fallback

## Open now

- 1 issue, 0 PRs open on GitHub.
- #100602: Sessions wedge at 'Summarizing session…' when the auxiliary compression call fails/times out — compaction has no fail-soft default

These items address a scenario where auxiliary compression or summary calls fail, time out, or stall, leaving sessions wedged. The work involves adding fail-soft behavior and deadline enforcement so sessions remain usable when compression does not complete successfully.

## TL;DR

- 3 member(s): 1 open issue(s), 0 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 #100936. Verify it addresses your case.
- **Recommended:** read PR #100936 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Open related issues

- #100602: Sessions wedge at 'Summarizing session…' when the auxiliary compression call fails/times out — compaction has no fail-soft default

## Prior & competing PRs

- **#100936: Abandoned compression summary streams now stop at the host deadline on every aux wire (#99692, salvage #99779)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/anthropic_adapter.py`, `agent/auxiliary_client.py`, `agent/conversation_compression.py`, `tests/agent/test_aux_stream_host_deadline.py`, `tests/agent/test_aux_stream_host_deadline_sibling_wires.py`, `website/docs/user-guide/configuration.md`
- **#100633: fix(compression): keep sessions usable when summary models stall**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `#99692`, `#100936`

## Fix status

- Merged to main in PR #100936 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-02`.
- Subsystem: `agent`