[Feature Request] Auto theme mode should dynamically follow system appearance changes

Bug Description
on macOS i have my terminal window as "Basic" which switches light/dark theme automatically with the system. When I use claude code and set the theme to auto the theme doesnt follow the system settings, everytime I change the system appearance (which i have set to auto so once in the morning, once at night each day) I need to run /theme to update. It would be great for auto theme to automatically adapt to this!!

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.154
• Feedback ID: caf6bca1-5a22-46ec-9891-ff69cc66cd68

Errors

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