"Unavailable Max Plan Upgrade Option for Existing API User" This title captures the key technical issue: - Specifies the specific problem (Max plan upgrade not visible) - Hints at potential account/user history complication - Uses technical language appro

Bug Description
Maxプランで契約したのに、claude code　でMaxプランに切り替える選択肢が表示されません。元々同じメールアドレスでAPIでAnthropicでclaude codeを利用していたことが原因でしょうか。解決策をいただけると助かります。

Environment Info

• Platform: macos
• Terminal: Apple_Terminal
• Version: 0.2.64
• Feedback ID: d373f8fa-81a3-45cd-87d4-f6b3ba390f24

Errors

[{"error":"Error: Command failed: security delete-generic-password -a $USER -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:892:11)\n    at execSync (node:child_process:964:15)\n    at LH (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:482:2715)\n    at eN2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:580:2515)\n    at sN2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:580:1854)\n    at Gj2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1261:4754)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1275:3394","timestamp":"2025-06-08T08:27:39.295Z"},{"error":"RangeError [ERR_CHILD_PROCESS_STDIO_MAXBUFFER]: stdout maxBuffer length exceeded\n    at Socket.onChildStdout (node:child_process:482:14)\n    at Socket.emit (node:events:507:28)\n    at Socket.emit (node:domain:489:12)\n    at addChunk (node:internal/streams/readable:559:12)\n    at readableAddChunkPushByteMode (node:internal/streams/readable:510:3)\n    at Readable.push (node:internal/streams/readable:390:5)\n    at Pipe.onStreamRead (node:internal/stream_base_commons:189:23)","timestamp":"2025-06-08T08:27:49.296Z"}]