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openclaw - 💡(How to fix) Fix Add drag-and-drop and file-picker uploads to Glyph/WebChat [1 participants]

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openclaw/openclaw#73818•Fetched 2026-04-29 06:14:42
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Add first-class file/image upload support to the Glyph/WebChat message composer, comparable to Slack or Telegram.

Root Cause

Add first-class file/image upload support to the Glyph/WebChat message composer, comparable to Slack or Telegram.

Fix Action

Fix / Workaround

Users should be able to attach images, PDFs, and other files directly from the chat UI instead of needing an external channel or manual filesystem workaround.

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Summary

Add first-class file/image upload support to the Glyph/WebChat message composer, comparable to Slack or Telegram.

User need

Users should be able to attach images, PDFs, and other files directly from the chat UI instead of needing an external channel or manual filesystem workaround.

Requested interaction patterns:

  • Drag and drop files/images onto the composer or conversation area
  • Click an attachment / file picker button to choose files from disk
  • Show selected attachments before sending
  • Send attachments together with the text message, matching how Slack/Telegram-style chats behave

Expected behavior

  1. User drags an image/file into Glyph/WebChat, or clicks an upload button.
  2. UI displays the pending attachment(s), including filename/type and a way to remove before sending.
  3. On send, the runtime receives the file(s) as attachments in the inbound message context.
  4. Assistant can inspect/analyze files/images using existing OpenClaw attachment/media plumbing.
  5. Upload errors are visible and actionable, e.g. unsupported type, too large, network failure.

Notes

  • This overlaps with #30389, but this issue tracks the narrower attachment-upload capability for Glyph/WebChat specifically.
  • The UX should support both discoverable file-picker upload and drag-and-drop.
  • Ideally works for common image formats plus PDFs and general files, subject to configured limits/security policy.

extent analysis

TL;DR

Implementing a file upload feature in the Glyph/WebChat message composer requires adding drag-and-drop functionality, a file picker button, and handling attachment sending and error handling.

Guidance

  • To support drag-and-drop, consider using JavaScript events like dragover and drop to handle file uploads.
  • Add a file picker button that triggers a file input element to allow users to select files from their disk.
  • Display selected attachments before sending, including filename and type, and provide a way to remove them.
  • Handle upload errors, such as unsupported file types or network failures, and display actionable error messages.

Example

// Basic example of handling drag-and-drop file upload
document.addEventListener('dragover', (e) => {
  e.preventDefault();
});

document.addEventListener('drop', (e) => {
  e.preventDefault();
  const files = e.dataTransfer.files;
  // Handle file upload
});

Notes

This guidance assumes a web-based implementation and may not apply to other platforms. The specific implementation details will depend on the existing Glyph/WebChat architecture and technology stack.

Recommendation

Apply a workaround by implementing a basic file upload feature using JavaScript and HTML, and then refine it based on the specific requirements and constraints of the Glyph/WebChat platform.

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FAQ

Expected behavior

  1. User drags an image/file into Glyph/WebChat, or clicks an upload button.
  2. UI displays the pending attachment(s), including filename/type and a way to remove before sending.
  3. On send, the runtime receives the file(s) as attachments in the inbound message context.
  4. Assistant can inspect/analyze files/images using existing OpenClaw attachment/media plumbing.
  5. Upload errors are visible and actionable, e.g. unsupported type, too large, network failure.
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openclaw - 💡(How to fix) Fix Add drag-and-drop and file-picker uploads to Glyph/WebChat [1 participants]