[Bug] Opus 4.7 performance degradation and excessive token consumption

Bug Description
Opus 4.7 becomes dumber and its work quality degraded. At the same time, it chews usage way faster than before. I am on max plan and I've never had this much of usage consumed within such short period of time.

Environment Info

• Platform: darwin
• Terminal: pycharm
• Version: 2.1.114
• Feedback ID: c34ed116-930b-4904-a6b0-07fe42930cb2

Errors

[{"error":"Error: EISDIR: illegal operation on a directory, read\n    at readSync (unknown)\n    at readSync (/$bunfs/root/src/entrypoints/cli.js:53:1553)\n    at IdH (/$bunfs/root/src/entrypoints/cli.js:126:5400)\n    at Db (/$bunfs/root/src/entrypoints/cli.js:127:181)\n    at tL (/$bunfs/root/src/entrypoints/cli.js:129:54)\n    at fp5 (/$bunfs/root/src/entrypoints/cli.js:8249:8932)\n    at j (/$bunfs/root/src/entrypoints/cli.js:8249:8148)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8249:8479)\n    at FP (/$bunfs/root/src/entrypoints/cli.js:477:63172)\n    at S2H (/$bunfs/root/src/entrypoints/cli.js:477:76227)","timestamp":"2026-04-19T02:36:14.058Z"}]