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claude-code - 💡(How to fix) Fix [Feature Request] Live theme detection for macOS auto-switching appearance [1 participants]

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anthropics/claude-code#54951•Fetched 2026-05-01 05:50:11
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Bug Description Theme auto-detection only runs at startup. On macOS with Appearance set to Auto (sunset/sunrise switching), Claude Code stays on the original theme until I quit and relaunch. Would love either (a) live re-detection when the terminal background changes, or (b) a /theme refresh command to re-detect without restarting the session.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.123
  • Feedback ID: e375f577-af0f-4fc9-8566-de6210d5d75f

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TL;DR

Implementing a theme refresh mechanism, such as a /theme refresh command, could address the issue of Claude Code not updating its theme when the system appearance changes on macOS.

Guidance

  • Investigate the current theme auto-detection logic to understand how it is tied to the startup process and identify potential hooks for live re-detection.
  • Consider adding an event listener for system appearance changes on macOS to trigger theme re-detection.
  • Design a /theme refresh command that manually triggers theme re-detection, providing an immediate workaround for users.
  • Evaluate the feasibility of integrating with macOS's notification system to receive updates when the system appearance changes.

Example

No specific code example can be provided without more details on the existing theme detection implementation.

Notes

The solution may require platform-specific code for macOS, and the exact implementation details will depend on the existing architecture of Claude Code.

Recommendation

Apply workaround: Implementing a /theme refresh command seems like the most straightforward and user-friendly solution, allowing users to manually update the theme without restarting the session.

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claude-code - 💡(How to fix) Fix [Feature Request] Live theme detection for macOS auto-switching appearance [1 participants]