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feat(v2): inline PPTX preview via server-side OfficeCLI render#306

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samxu01 merged 1 commit intomainfrom
feat/pptx-inline-preview
May 6, 2026
Merged

feat(v2): inline PPTX preview via server-side OfficeCLI render#306
samxu01 merged 1 commit intomainfrom
feat/pptx-inline-preview

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@samxu01 samxu01 commented May 6, 2026

Summary

  • Adds OfficeCLI v1.0.70 binary to the backend image (SHA256-pinned against the upstream SHA256SUMS, fails the build on artifact swap).
  • New route GET /api/uploads/:fileName/preview-pptx-html — fetches the .pptx from object storage / legacy Mongo bytes, runs officecli view <file> html, returns the rendered HTML (text/html, 30s render timeout, 5min private cache).
  • New PptxPreview component in V2PodInspector — fetches the rendered HTML and injects it into a sandboxed iframe (srcDoc, sandbox="allow-scripts allow-same-origin").
  • Wired into ArtifactPreview alongside the existing DocxPreview (mammoth) and XlsxPreview (SheetJS).

Test plan

  • Deploy via Deploy Dev workflow; verify backend image build succeeds (officecli binary downloads + SHA256 verifies).
  • Open the V2 pod inspector on a chat with a .pptx attachment (e.g. Theo's Series A pitch deck in pod 69b7ddff0ce64c9648365fc4) and confirm slides render inline.
  • Network tab: GET /api/uploads/<name>/preview-pptx-html returns 200 text/html.
  • Render timeout path: malformed .pptx returns 500 with detail; UI shows "Could not preview".

🤖 Generated with Claude Code

Adds OfficeCLI v1.0.70 binary to the backend image (SHA256-pinned), exposes
GET /api/uploads/:fileName/preview-pptx-html that runs `officecli view html`
on the uploaded .pptx and returns rendered HTML, and a PptxPreview component
in V2PodInspector that srcdoc's it into a sandboxed iframe.

Completes the DOCX/XLSX/PPTX inline preview trio in the inspector.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@samxu01 samxu01 merged commit fd6de13 into main May 6, 2026
5 of 6 checks passed
samxu01 pushed a commit that referenced this pull request May 6, 2026
PR #306 added the PptxPreview component but forgot to add the
`if (kind === 'pptx') return <PptxPreview .../>` line to the switch in
ArtifactPreview, so .pptx artifacts fell through to `return null` and
showed nothing. The /api/uploads/:fileName/preview-pptx-html backend
route + the PptxPreview component itself work fine when invoked
directly — the wire was just missing.

DOCX (mammoth) and XLSX (SheetJS) wires are intact; bundle inspection
confirms `t==="docx"?.../t==="xlsx"?...` chain in the minified
ArtifactPreview, plus mammoth.browser-*.js and xlsx-*.js chunks load
200 from /assets/.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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2 participants