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Attach images pasted into the composer #91
Description
Pasting an image (for example, a screenshot copied with Cmd+Ctrl+Shift+4) into a chat composer doesn't attach it. Drag-and-drop and the paperclip file picker do attach images, so pasting should work too.
Cause
The rich-text editor's paste handler (packages/ui/src/components/rich-text/rich-text.tsx, getPaste) reads only text/uri-list and text/plain from clipboardData. It never checks clipboardData.files, so a pasted image never reaches the composer's onFiles, the path that drop (packages/ui/src/components/composer/composer.tsx) and the file input already use.
Expected
- Pasting one or more images into a composer that allows attachments adds them, the same way dropping them does.
- Pasting text still behaves as it does now, including turning a pasted URL into a link.
- Composers with
canAttach={false}ignore pasted files.
Part of #5.
Activity
iamnbutler commentedon Oct 5, 2026
Paused, with work in progress in the Ace lane
image-paste-91(branchbrisk-grove/image-paste-91, based onorigin/main1ab91be). Nothing is committed or pushed yet, and there is no PR.RichTexttakes an optionalonFiles. Its paste handler sends image files fromclipboardData.filesthere before the existing URL-link and plain-text handling runs.ChatComposerpassesonFiles={attachable ? addFiles : undefined}, the same gate drop uses, socanAttach={false}and edit mode ignore pasted files.bun typesandbun run cipass.iamnbutler commentedon Oct 5, 2026
Resumed and in progress in the Ace lane
image-paste-91(branchbrisk-grove/image-paste-91). Channeldev-paste-validationowns the test environment (#97 Ace-dev helper collision). This channel owns the code and the desktop/clipboard checks. Next: real paste checks in WebKit for images, plain text, URLs, multiline text, mixed text-and-image clipboards,canAttach={false}, and edit mode, then a PR.iamnbutler commentedon Oct 5, 2026
PR #104 is open for review and not merged. It attaches pasted images through the existing
useAttachments().addpath. It keeps text whenever the clipboard hastext/plain(spreadsheet and document copies), and it ignores pasted files when attachments are off. That also fixes a 0.0.11 bug where an image pasted into the dashboard composer was inserted into the editor as a raw<img>. I validated it in an Ace-dev build of the branch with real pasteboard contents; details are in the PR. The test environment has been cleaned up.iamnbutler commentedon Oct 5, 2026
The known limit of #104 is now tracked in #105: a Finder copy of several images attaches only the first, because WebKit exposes only the first copied file. The native desktop-tool failures from validation are in githubnext/desktop-tools#5.