# NousResearch/hermes-agent · Kanban shared attachment blob deletion bug fix

## Open now

- Nothing open on GitHub.

A bug where deleting one attachment row could unlink a blob still referenced by another row, causing silent data loss. The members describe the problem and associated fix attempts for preserving shared stored paths.

## 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 #114915. Verify it addresses your case.
- **Recommended:** read PR #114915 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #114564: \[Bug\]: kanban delete_attachment() unlinks a blob another row still references — silent data loss (shared stored_path)

## Prior & competing PRs

- **#114915: fix(kanban): deleting one attachment row no longer unlinks a blob another row still references (#114564, salvage #114568)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `hermes_cli/kanban_db.py`, `tests/plugins/test_kanban_attachments.py`, `website/docs/user-guide/features/kanban.md`
- **#114568: fix(kanban): preserve shared attachment blobs**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `9cc7886afe1f`, `#114915`, `#114564`, `#114568`

## Fix status

- Merged to main in PR #114915 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-18`.