# NousResearch/hermes-agent · API session deletion with retained images and idempotency cleanup

## Open now

- Nothing open on GitHub.

One issue reports that deleting a session returns a 500 error and the gateway fails to start when roughly 1,000 API images are retained. Two pull requests have near-identical titles about keeping API idempotency and image cleanup across session delete; their relationship to the issue is suggested by the titles but not confirmed.

## 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 #140233. Verify it addresses your case.
- **Recommended:** read PR #140233 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `1.00`: 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

- #140090: With about 1,000 retained API images, deleting a session returns 500 and the gateway fails to start

## Prior & competing PRs

- **#140233: fix(api): keep API idempotency and image cleanup working across session delete**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `gateway/platforms/api_server_response_admissions.py`, `gateway/session_api_turn.py`, `gateway/session_ingress_media.py`, `hermes_state_terminal.py`, `tests/gateway/test_api_idempotency_after_delete.py`, `tests/gateway/test_api_image_delete_scale.py`, `tests/hermes_state/test_delete_branched_root_leftovers.py`
- **#139239: fix(api): keep API idempotency and image cleanup across session delete**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `dedd8f258b`, `#140233`, `#140297`

## Fix status

- Merged to main in PR #140233 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-10-17`.
- Subsystem: `gateway`