# NousResearch/hermes-agent · Fix assistant image replay causing Responses API 400s

## Open now

- Nothing open on GitHub.

These members address a bug where assistant-role image parts were incorrectly replayed as input_image in the Responses API, resulting in 400 errors and broken sessions. The fix drops or corrects assistant images during replay to prevent this failure.

## 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 #97077. Verify it addresses your case.
- **Recommended:** read PR #97077 (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-97077`. 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #96816: fix(codex): assistant-role image parts replay as \`input_image\` → Responses API 400, session bricked

## Prior & competing PRs

- **#97077: fix(codex): assistant-history image parts no longer replay as input_image 400s (#96816)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/codex_responses_adapter.py`, `tests/agent/test_codex_responses_adapter.py`
- **#96820: fix(codex): drop assistant images from Responses replay**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `#97077`, `#96816`

## Fix status

- Merged to main in PR #97077 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-08-28`.