[Bug] Anthropic API Error: Invalid effort parameter for model

Bug Description
API Error: 400
{"type":"error","error":{"type":"invalid_request_error","message":"This
model does not support the effort
parameter."},"request_id":"req_011CYdtG53QfXyHJPATrjwxv"}

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.0.46
• Feedback ID: b09b2c75-12d1-46ee-9614-90d6015c2a94

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/richardatkinson/.local/share/claude/versions/2.0.46 (expected in multi-process scenarios)\n    at aq0 (/$bunfs/root/claude:2532:1516)\n    at P4A (/$bunfs/root/claude:2532:1194)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-02T07:47:40.283Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"This model does not support the effort parameter.\"},\"request_id\":\"req_011CYdtFeeDbZ72qcBCWYzwy\"}\n    at generate (/$bunfs/root/claude:390:20036)\n    at makeRequest (/$bunfs/root/claude:732:5434)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-02T07:47:41.970Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"This model does not support the effort parameter.\"},\"request_id\":\"req_011CYdtFedyDQPtZzabA8t33\"}\n    at generate (/$bunfs/root/claude:390:20036)\n    at makeRequest (/$bunfs/root/claude:732:5434)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-02T07:47:41.987Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"This model does not support the effort parameter.\"},\"request_id\":\"req_011CYdtG53QfXyHJPATrjwxv\"}\n    at generate (/$bunfs/root/claude:390:20036)\n    at makeRequest (/$bunfs/root/claude:732:5434)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-02T07:47:47.833Z"},{"error":"Error\n    at lU (/$bunfs/root/claude:59:1143)\n    at <anonymous> (/$bunfs/root/claude:64:10054)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:66:2147)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-03-02T07:47:57.358Z"}]