terminal does not clipboard read (kitty OSC 5522) for image paste over SSH

[epicwhale]

Description

I use the TUI over SSH and can't paste images. Unsure if it's a bug or a gap in the design: the clipboard I want to read is on my laptop, but the TUI is running on the remote box.

Add a read path to the terminal clipboard backend using kitty's clipboard protocol (OSC 5522). It's MIME-typed and travels in-band, so it works through SSH. It could slot in behind the existing ClipboardService.read({ preferredTypes }) ?

Terminal support:

• kitty: supported spec
• Ghostty: landed in terminal: Kitty Clipboard core logic (no apprt hookups yet) ghostty-org/ghostty#13962

Plugins

No response

OpenCode version

opencode2 v0.0.0-beta-19425

Steps to reproduce

1. Copy image on host to clipboard
2. Run opencode tui on remote
3. Try to paste over ghostty

Screenshot and/or share link

No response

Operating System

mac(host) + ubuntu(remote)

Terminal

Ghostty

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• TUI: image clipboard paste silently ignored on Kitty/Ghostty (regression of #4077) #25806: Same root cause — image clipboard paste silently ignored on Kitty/Ghostty because those terminals don't pipe binary clipboard bytes through paste actions. That issue also explicitly proposes OSC 5522 (kitty's clipboard protocol) as the fix path, which is exactly what this issue is requesting.