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Support pasting clipboard images into terminal-based agents #679

Description

@XiangWen

Problem

Prowl's embedded terminal currently cannot paste an image from the macOS clipboard into a terminal-based coding agent prompt (for example, Codex or Claude Code). Text paste works, but copying a screenshot or image and using the agent's image-paste shortcut does not add an image attachment or placeholder.

Steps to reproduce

  1. Open a Prowl terminal.
  2. Start Codex or Claude Code.
  3. Copy a screenshot or another image to the macOS clipboard.
  4. Focus the agent prompt and use its image-paste shortcut (for example, Ctrl+V).

Actual behavior

No image attachment or placeholder is added to the prompt.

Expected behavior

The clipboard image should be passed to the terminal-based agent so it can be attached to the prompt, or Prowl should materialize it as a temporary file and paste the file path.

Environment

  • Prowl: 2026.7.25 (20260725)
  • macOS: 26.5.2 (arm64)
  • Codex CLI: 0.146.0
  • Claude Code: 2.1.201

Activity

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