# NousResearch/hermes-agent · Serialize and harden concurrent plugin hook callbacks

## Open now

- 1 issue, 0 PRs open on GitHub.
- #104865: Serialize concurrent hook callbacks instead of dropping overlap

These items address how overlapping plugin hook callback invocations are handled, shifting from dropping concurrent calls to serializing them. Related policy work covers failure modes, precedence rules, and async dispatch behavior for hook guards.

## TL;DR

- 3 member(s): 1 open issue(s), 0 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 #118844. Verify it addresses your case.
- **Recommended:** read PR #118844 (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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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.

## Open related issues

- #104865: Serialize concurrent hook callbacks instead of dropping overlap

## Prior & competing PRs

- **#118844: Plugin hook policy: hung or raising guards fail closed without wedging, block outranks approve, shell approve reaches the gate, async pre_gateway_dispatch awaited (#105223 #109624 #87420 #92553 #105827 #110241)**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/shell_hooks.py`, `gateway/run_inbound.py`, `hermes_cli/lifecycle.py`, `hermes_cli/middleware.py`, `hermes_cli/plugins.py`, `hermes_cli/plugins_dispatch.py`, `tests/agent/test_shell_hooks.py`, `tests/gateway/test_bot_loop_guard.py`, `tests/gateway/test_pre_gateway_dispatch.py`, `tests/hermes_cli/test_plugins.py`, `website/docs/user-guide/features/hooks.md`
- **#104763: fix(plugins): serialize overlapping hook callback fires instead of dropping**. closed without merge
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `75e9567ca7`, `#118844`

## Fix status

- Merged to main in PR #118844 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-22`.
- Subsystem: `hermes_cli`