The adapter fetches visual_url from an allowlisted host (https, image types,
10 MB cap, optional read token) and uploads it as multipart sendPhoto, so the
forge can close without breaking post images.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Assistant: claude-code
Assistant-Model: opus
Assistant-Process: 5457@bnt-lap001
Assistant-Session: 792bf84a-3783-4f5d-a811-cded61dd2012
