[Feature Request] Document "utrathink" performance characteristics and best practices

Bug Description
For some reason it is working incredibly well tonight. "utrathink" especially is performing incredible well and this tool is invaluable for coding.

Environment Info

• Platform: linux
• Terminal: alacritty
• Version: 2.0.60
• Feedback ID: 160668fc-5a65-4373-9ab2-aa7dd222626c

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /home/knut/.local/share/claude/versions/2.0.60 (expected in multi-process scenarios)\n    at WOD (/$bunfs/root/claude:2711:1622)\n    at k5A (/$bunfs/root/claude:2711:1300)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T18:26:22.746Z"},{"error":"Error: NON-FATAL: Lock acquisition failed for /home/knut/.local/share/claude/versions/2.0.60 (expected in multi-process scenarios)\n    at WOD (/$bunfs/root/claude:2711:1622)\n    at j5A (/$bunfs/root/claude:2709:35592)\n    at async fM9 (/$bunfs/root/claude:2709:37700)\n    at async nh (/$bunfs/root/claude:2711:236)\n    at async <anonymous> (/$bunfs/root/claude:2711:13006)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T18:26:30.604Z"},{"error":"Error: NON-FATAL: Lock acquisition failed for /home/knut/.local/share/claude/versions/2.0.60 (expected in multi-process scenarios)\n    at WOD (/$bunfs/root/claude:2711:1622)\n    at j5A (/$bunfs/root/claude:2709:35592)\n    at async fM9 (/$bunfs/root/claude:2709:37700)\n    at async nh (/$bunfs/root/claude:2711:236)\n    at async <anonymous> (/$bunfs/root/claude:2711:13006)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T18:26:39.683Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n    at readFileSync (unknown)\n    at readFileSync (/$bunfs/root/claude:12:370)\n    at hiI (/$bunfs/root/claude:4487:17669)\n    at call (/$bunfs/root/claude:1401:912)\n    at call (/$bunfs/root/claude:1397:5711)\n    at nF9 (/$bunfs/root/claude:3117:16948)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T18:36:53.934Z"},{"error":"Error: Could not load the \"sharp\" module using the linux-x64 runtime\nPossible solutions:\n- Ensure optional dependencies can be installed:\n    npm install --include=optional sharp\n- Ensure your package manager supports multi-platform installation:\n    See https://sharp.pixelplumbing.com/install#cross-platform\n- Add platform-specific dependencies:\n    npm install --os=linux --cpu=x64 sharp\n- Consult the installation documentation:\n    See https://sharp.pixelplumbing.com/install\n    at <anonymous> (/$bunfs/root/claude:831:17565)\n    at <anonymous> (/$bunfs/root/claude:11:356)\n    at <anonymous> (/$bunfs/root/claude:832:88)\n    at <anonymous> (/$bunfs/root/claude:11:356)\n    at <anonymous> (/$bunfs/root/claude:832:79804)\n    at <anonymous> (/$bunfs/root/claude:11:356)\n    at <anonymous> (/$bunfs/root/claude:832:79980)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T19:33:44.931Z"},{"error":"TypeError: (L.default||L) is not a function. (In '(L.default||L)(H)', '(L.default||L)' is an instance of Object)\n    at rEH (/$bunfs/root/claude:832:80003)\n    at async u$$ (/$bunfs/root/claude:832:85057)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T19:40:51.481Z"},{"error":"TypeError: (L.default||L) is not a function. (In '(L.default||L)(H)', '(L.default||L)' is an instance of Object)\n    at rEH (/$bunfs/root/claude:832:80003)\n    at async u$$ (/$bunfs/root/claude:832:85057)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-06T19:47:15.433Z"}]