[BUG] Windows clipboard image paste broken in v2.1.251 — "no image found in clipboard"

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Platform: Windows 11 Enterprise
Claude Code version: v2.1.251

Description:
Pasting images from clipboard no longer works. The error "no image found in clipboard" appears even when a valid PNG is on the clipboard (e.g. captured via Win+Shift+S snipping tool). This worked correctly in a previous version of Claude Code.

Steps to reproduce:

1. Press Win+Shift+S and capture a screen region
2. Switch to Claude Code
3. Press Alt+V to paste image
4. Error: "no image found in clipboard"

Expected: Image is attached and visible in the chat input
Actual: Error message — no image attached

Workaround: Save snip to PNG file and reference the file path instead.

What Should Happen?

When Alt+V is pressed and a PNG image is on the clipboard (captured via Win+Shift+S snipping tool), the image should be attached and visible in the Claude Code chat input, ready to send — exactly as it worked in versions prior to v2.1.251.

Error Messages/Logs

Steps to Reproduce

1. Press Win+Shift+S and capture any screen region using the snipping tool
2. Switch to Claude Code (the image is now on the clipboard as PNG)
3. Press Alt+V to paste the image
4. Observe error: "no image found in clipboard"

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

v2.1.251

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_