# NousResearch/hermes-agent · Fence chunk sizing bug fix for long language tags

## Open now

- 1 issue, 2 PRs open on GitHub.
- #120904: bug(gateway): fence-balanced chunks exceed the caller's limit for language tags over 8 characters
- PR #120905: fix(gateway): scale fence reopen headroom to the language tag
- PR #122086: fix(gateway): reserve fence headroom for the real language tag (#120904)

A bug caused fence-balanced chunks to exceed the caller's size limit when language tags are longer than 8 characters. Fixes adjust the fence reopening headroom to account for the actual language tag length.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 2 open PR(s), 0 merged PR(s), 0 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

- #120904: bug(gateway): fence-balanced chunks exceed the caller's limit for language tags over 8 characters

## Prior & competing PRs

- **#120905: fix(gateway): scale fence reopen headroom to the language tag**. open
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `f8e328fa5`
  - files: `gateway/platforms/helpers.py`, `tests/gateway/test_fence_chunker.py`
- **#122086: fix(gateway): reserve fence headroom for the real language tag (#120904)**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `gateway/platforms/helpers.py`, `tests/gateway/test_fence_chunker.py`

## Fix status

- No merged fix on record.
- Subsystem: `gateway`