# NousResearch/hermes-agent · Background review fork loses gateway prompt context

## Open now

- Nothing open on GitHub.

These items address a bug where background review forks do not carry over the gateway's per-request system prompt, ephemeral prompts, prefills, and provider pins, causing prompt-cache misses and incorrect behavior. The fixes aim to preserve that context when forking for background review.

## 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 #76990. Verify it addresses your case.
- **Recommended:** read PR #76990 (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-76990`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #76938: \[Bug\]: Background review fork doesn't receive the WebUI gateway's per-request system-prompt injection → prompt-cache miss on every review

## Prior & competing PRs

- **#76990: fix(background-review): carry gateway ephemeral prompt, prefills, and provider pins into review forks**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/background_review.py`, `tests/run_agent/test_background_review_cache_parity.py`
- **#76948: fix(background-review): preserve gateway prompt context**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#76990`, `#76938`

## Fix status

- Merged to main in PR #76990 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-02`.