- Demo is deployed and accessible
- Agent backend is healthy (check /api/health)
ANTHROPIC_API_KEYis set on the deploymentpypdfis installed in the backend environment (listed inrequirements.txt)
- Navigate to
/demos/multimodal - Verify the "Multimodal attachments" header renders
- Verify the bundled-samples row shows "Try with sample image" and "Try with sample PDF" buttons
- Verify the paperclip button is visible on the chat composer
- Click "Try with sample image" — the button should flip to "Loading…" briefly
- Verify the CopilotChat attachment strip shows a pending
sample.pngchip - Type "What's in this image?" and send
- Verify Claude's reply references concrete visual details (e.g. colors, objects) from the bundled PNG
- Click "Try with sample PDF"
- Verify the
sample.pdfchip appears - Type "Summarise this document" and send
- Verify Claude replies with a short summary of the PDF's actual content (not a generic "I cannot read PDFs" reply)
- If the deployment accidentally ships a Git LFS pointer instead of
the real binary, clicking a sample button should surface
data-testid="multimodal-sample-error"with an actionable message
- No console errors during normal usage.
- Upload a file over 10 MB and verify the attachment is rejected with a visible toast.
- Image replies reference real visual details (not generic).
- PDF replies reference document-specific content.
- No silent dropping of attachments.