[Feature Request] Change ultrathink effort level from "high" to "max"

Bug Description
using ultrathink shows "set effort to high" I think it should be max.

Environment Info

• Platform: linux
• Terminal: windows-terminal
• Version: 2.1.112
• Feedback ID: 29e52093-3f4f-4ab2-9976-391ec303a086

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /home/msokolnicki/.local/share/claude/versions/2.1.112 (expected in multi-process scenarios)\n    at qd$ (/$bunfs/root/src/entrypoints/cli.js:2750:2177)\n    at $e8 (/$bunfs/root/src/entrypoints/cli.js:2750:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-17T10:43:44.932Z"},{"error":"Error: EISDIR: illegal operation on a directory, read '/home/msokolnicki/itt/deveval-workspace/deveval/packages/agents/src/agents/comparison'\n    at X_H (/$bunfs/root/src/entrypoints/cli.js:1564:144)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-17T11:24:01.383Z"},{"error":"Error: EISDIR: illegal operation on a directory, read '/home/msokolnicki/itt/deveval-workspace/deveval/packages/integrations/src/git/gitlab'\n    at X_H (/$bunfs/root/src/entrypoints/cli.js:1564:144)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-17T11:44:08.652Z"}]