switch to opus causes usage policy violation error

Bug Description
switch to opus causes ⎿ API Error: Claude Code is unable to respond to this request, which appears to violate our
Usage Policy (https://www.anthropic.com/legal/aup). Please double press esc to edit your
last message or start a new session for Claude Code to assist with a different task.

Environment Info

• Platform: darwin
• Terminal: tmux
• Version: 1.0.24
• Feedback ID: f47af297-149b-4b20-95e3-8ed967b1ecb8

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:882:11)\n    at execSync (node:child_process:954:15)\n    at HZ (file:///Users/nitsanavni/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:659:3921)\n    at file:///Users/nitsanavni/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:582:8863\n    at Q (file:///Users/nitsanavni/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:526:17199)\n    at tJ (file:///Users/nitsanavni/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:582:8009)\n    at HS (file:///Users/nitsanavni/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:582:7090)\n    at T6 (file:///Users/nitsanavni/.bun/install/global/node_modules/@anthropic-ai/claude-code/cli.js:582:11202)","timestamp":"2025-06-14T09:57:45.009Z"}]