Slash Command Interference: Image Upload Fails with Read Tool Error

Question

**Bug Description**
When using a custom slash command, I've encountered a consistent issue where Claude Code attempts to use the Read tool on an image pasted via Ctrl+V. This invariably leads to a "file not found" error, even when explicitly instructing Claude Code not to read the file but to directly "see" the image. Consequently, Claude Code fails to recognize any user-uploaded images in this scenario. However, when no slash command is used, Claude Code successfully processes and views the pas