Rerun setup scripts

You can now rerun your setup script directly from the terminal panel.

Improvements

• Added a setting to always view how much of the context window Claude has used. Enable it in Settings → Chat.
• Added an option to copy plans to clipboard
• Restored the ⌘O shortcut to open a repository from its settings page
• Added Elixir syntax highlighting

Fixes

• We've fixed a bug where chats would sometimes appear empty on load