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title: File Attachments
description: Add @mentions, drag & drop, and chips for files.
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Implement File Attachments

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### Implement @ Mentions

When a user types `@` in the input field, display a file picker with search functionality.

Allow users to select files to attach to their prompt.

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### Visual Attachment Chips

Display attached files as interactive chips above the input area.

Chips should include a filename and a removable "x" button.

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### Drag and Drop Files

Enable dragging files from the operating system directly onto the input area.

Automatically create an attachment chip for dropped files.

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### Acceptance Criteria

- Typing `@` brings up a file selection autocomplete.
- Files can be selected and appear as chips.
- Users can drag and drop files onto the input, creating chips.
- Attached files are included in the prompt submission.
- Attachment chips can be removed by clicking "x".