[Bug] Option T functionality broken on macOS Change it back so that it's tab for ultra thing

Bug Description
This option T doesn't work on Mac. I don't know why you've changed it for thinking mode like this. It's now super confusing and it doesn't work
It should be tabbed for ultrathink.

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 2.0.73
• Feedback ID: de54be61-03fc-40b9-9785-ac866a99c14d

Errors

[{"error":"Error: Error capturing screenshot: Cannot access a chrome:// URL\n    at Pa_ (/$bunfs/root/claude:1136:36169)\n    at async call (/$bunfs/root/claude:1136:47701)\n    at async Dt7 (/$bunfs/root/claude:2135:17481)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-19T03:17:41.654Z"},{"error":"Error: Request was aborted.\n    at makeRequest (/$bunfs/root/claude:790:3940)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-19T03:19:37.735Z"},{"error":"Error: No tabs available. Please open a new tab or window in Chrome.\n    at Pa_ (/$bunfs/root/claude:1136:36169)\n    at async call (/$bunfs/root/claude:1136:47701)\n    at async Dt7 (/$bunfs/root/claude:2135:17481)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-19T03:19:48.587Z"},{"error":"Error: No MCP tab group exists. Use tabs_context_mcp with createIfEmpty: true first to create one.\n    at Pa_ (/$bunfs/root/claude:1136:36169)\n    at async call (/$bunfs/root/claude:1136:47701)\n    at async Dt7 (/$bunfs/root/claude:2135:17481)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-19T03:19:54.342Z"}]