Release 4.50.0

30 Oct 2026 · pinned package [email protected]

4.50.0

30 Oct 2026

Rich embeds in the agent session. The owner, 2026-10-30: "When it generates or reads or analyzed images or visuals or files it should show a rich embed in chat for them like in Claude, Codex, ChatGPT." A step or a message may now carry attachments: [{ url, name, mime, size?, kind, role }]; the component draws them and never builds a URL itself.
- A step's attachments show in its group's header, visible while the group is folded: images as 136 × 92 thumbnails with their name, everything else as a chip with an icon. A message's show under its text.
- A tap opens a preview sheet: the image at full width (pinch to zoom on a phone), video and audio in their players, a PDF in a frame, and text as code, Markdown, a CSV table or pretty JSON, highlighted — plus Open and Download.
- The thumbnails load lazily, a broken image hides itself, and the sheet is keyboard reachable (Escape closes it).
- Safety: an attachment loads only from the product's own origin or Media's, never from a third-party address the model printed; SVG is only ever an <img>; text is set as text, never as markup.
- test/agent-session-embeds-chrome.test.js covers it in a real Chrome.