Files
Fabric.Frontend/src
hzhang b1c270a6ce feat(chat): file upload + attachments + pinned canvas
- composer 📎 attach (multi-file) with removable chips; uploads to
  /files then sends a message with attachments; image preview /
  download chips via ?access_token.
- pinned per-channel canvas panel below the topbar (fixed; independent
  of message scroll): md→renderMarkdown, text→<pre>, html→sandboxed
  iframe; collapse/expand.
- share/edit canvas modal (sharer-only Edit/Remove); live via
  canvas.updated/canvas.removed sockets; channel & messages context
  menus get canvas actions.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-15 20:17:10 +01:00
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