# NousResearch/hermes-agent · delegate_task unknown field validation and rejection

## Open now

- 1 issue, 2 PRs open on GitHub.
- #118825: delegate_task silently ignores undeclared per-task fields (e.g. a per-task model/provider pin)
- PR #119723: fix(tools): reject unknown per-task fields in delegate_task (#118825)
- PR #119835: delegate_task rejects unsupported task fields instead of silently ignoring a per-task model pin (#118825, salvage #118828 #119723)

These issues and pull requests address a bug where delegate_task silently ignored unrecognized per-task fields (such as a per-task model or provider pin) instead of rejecting them with an error. The work involves adding validation to surface unknown fields explicitly.

## TL;DR

- 4 member(s): 1 open issue(s), 0 closed issue(s), 2 open PR(s), 0 merged PR(s), 1 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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 `0.50`: 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

- #118825: delegate_task silently ignores undeclared per-task fields (e.g. a per-task model/provider pin)

## Prior & competing PRs

- **#118828: fix(delegate): reject unknown per-task fields instead of silently ignoring them**. closed without merge
  - maintainer direction: category `merged_via`; implication `superseded`; refs `98d4e01508`, `#119835`
- **#119723: fix(tools): reject unknown per-task fields in delegate_task (#118825)**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`
  - files: `tests/tools/test_delegate_task_unknown_field_rejection.py`, `tools/delegate_tool_tasks.py`
- **#119835: delegate_task rejects unsupported task fields instead of silently ignoring a per-task model pin (#118825, salvage #118828 #119723)**. open
  - maintainer direction: category `merged_via`; implication `superseded`; refs `98d4e01508`, `98d4e01508`, `#118828`, `#118828`
  - files: `skills/software-development/spike/SKILL.md`, `tests/tools/test_delegate_batch_validation.py`, `tools/delegate_tool_tasks.py`, `website/docs/user-guide/skills/bundled/software-development/software-development-spike.md`, `website/i18n/zh-Hans/docusaurus-plugin-content-docs/current/user-guide/skills/bundled/software-development/software-development-spike.md`

## Fix status

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