# NousResearch/hermes-agent · Mermaid diagram rendering in desktop chat

## Open now

- 0 issues, 1 PR open on GitHub.
- PR #45066: feat(desktop): render html and mermaid code fences as live artifacts

These issues and pull requests concern adding or fixing the rendering of Mermaid diagrams (and related rich content like HTML and alerts) within desktop chat assistant responses. The work spans bug reports and multiple feature implementation approaches for live, inline diagram rendering.

## TL;DR

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evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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

## Closed / duplicate issues

- #40493: \[Bug\]: Mermaid diagrams not rendered in chat assistant responses

## Prior & competing PRs

- **#40911: feat(desktop): render Mermaid diagrams live in chat**. closed without merge · fix tier `suggested`
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#45066`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#52324: feat(desktop): render Mermaid diagrams in chat via componentsByLanguage API / 桌面端：聊天中渲染 Mermaid 图**. closed without merge · fix tier `suggested`
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`; refs `e36d9862ece4af0edf2fe2e9c61797b828abb4f5`, `#40493`
  - _suggested-tier fix detail withheld; re-request with `?tier=all` to include it._
- **#45066: feat(desktop): render html and mermaid code fences as live artifacts**. open
  - maintainer direction: category `implemented_elsewhere`; implication `superseded`
  - files: `apps/desktop/package.json`, `apps/desktop/src/components/assistant-ui/markdown-text.tsx`, `apps/desktop/src/components/chat/html-preview.test.tsx`, `apps/desktop/src/components/chat/html-preview.tsx`, `apps/desktop/src/components/chat/mermaid-diagram.test.tsx`, `apps/desktop/src/components/chat/mermaid-diagram.tsx`, `apps/desktop/src/i18n/en.ts`, `apps/desktop/src/i18n/ja.ts`, `apps/desktop/src/i18n/types.ts`, `apps/desktop/src/i18n/zh-hant.ts`, `apps/desktop/src/i18n/zh.ts`

## Fix status

- No merged fix on record.
- Subsystem: `apps/desktop`