feat: add file preview for images and PDF#26
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Zhang-Henry merged 2 commits intomainfrom Mar 13, 2026
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… beyond text-only viewing to support binary file preview using browser-native elements (img for images, iframe for PDF).
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Summary
<img>and<iframe>elements
/api/projects/:projectName/files/contentendpoint so both absolute and relative file paths resolvecorrectly
Test plan
.pdffile from chat → iframe preview.png/.jpg/.gifimage → centered image preview.zip/.docx/.exe→ "cannot preview" message (no download button).js/.txt/.mdfile → code editor works as before