[BUG] Text from OneNote (any rich text editor) is converted into [Image #1]

Environment

• Platform (select one):
• [x] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.98 (Claude Code)
• Operating System: macOS 15.6.1 (24G90)
• Terminal: iTerm2

Bug Description

When I copy text from OneNote, and paste it into the iTerm2 Claude CLI version specified above, the text I pasted is shown correctly, but almost instantly it is converted into an image. It should stay as text and not converted into an image.

Steps to Reproduce

1. Open OneNote or any other rich text editor.
2. Select any text and copy it (which goes into the clipboard).
3. Paste it into the iTerm2 Claude CLI and see how the text is transformed into an image.

Expected Behavior

Leave it as text.

Actual Behavior

It got converted into an image.

Additional Context

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