## Thinking Path
> - Paperclip is the open source app people use to manage AI agents for
work
> - Issue detail pages promote certain artifact work products into the
dedicated Output surface while also listing raw attachments below
> - Document-like artifacts such as plan markdown can currently be
promoted like binary outputs, which makes the same work product story
look like both an output and a document/attachment
> - The output surface should stay focused on inspectable generated
media, archives, PDFs, WebAssembly, SVG/images, and true binary
deliverables while document-like artifacts remain in the document or
attachment flow
> - This pull request filters document-like artifact metadata out of the
Output section and avoids duplicating the attachments that back promoted
outputs
> - The benefit is a cleaner issue detail page where plans and markdown
reports do not appear as binary outputs, while real output files still
get highlighted
## Linked Issues or Issue Description
Fixes#7609
Refs PAP-10354
Refs PAP-10369
## What Changed
- Added output MIME-type normalization and eligibility checks for issue
artifact work products.
- Filtered markdown, text, JSON, XML, CSV, YAML, source-like files, and
generic binary artifacts with document-like filenames out of promoted
issue outputs.
- Kept video, image including SVG, PDF, ZIP, WebAssembly, and true
binary artifacts eligible for the Output section.
- Hid attachments that back promoted outputs while leaving filtered
document-like artifact attachments visible.
- Preserved the full image attachment set for chat image gallery lookup
even when promoted image outputs are hidden from the attachment list.
- Added focused tests for output eligibility, glyph labeling, output
promotion, attachment filtering, gallery image preservation, and the
output section render behavior.
## Verification
- `pnpm vitest run ui/src/lib/issue-output.test.ts
ui/src/pages/IssueDetail.test.tsx
ui/src/components/issue-output/IssueOutputSection.test.tsx`
- GitHub PR checks are green on
`7d1b80f9702f20ab86cc502bffce599b13f1b088`.
- Greptile confidence score is 5/5 and both Greptile review threads are
resolved.
## Risks
- Low risk. The change only affects UI classification of Paperclip
artifact work products. The main behavioral risk is an uncommon
text-like generated artifact no longer appearing in the Output section;
it remains available through the normal attachment/document surfaces.
> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.
## Model Used
OpenAI GPT-5 Codex via Paperclip CodexCoder, with repository tool use
and local command execution.
## Checklist
- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have searched GitHub for duplicate or related PRs and linked
them above
- [x] I have either (a) linked existing issues with `Fixes: #` / `Closes
#` / `Refs #` OR (b) described the issue in-PR following the relevant
issue template
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] All Paperclip CI gates are green
- [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge
---------
Co-authored-by: Paperclip <noreply@paperclip.ing>
Dotta
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