[Bug] Sonnet 4.6 1M context unavailable for Max plan account

Bug Description
Descrição:

Tenho Max plan $200 ativo, mas ao tentar acessar Sonnet 4.6 com 1M context via Claude Code CLI, recebo:

Sonnet 4.6 with 1M context is not available for your account.
Learn more: https://code.claude.com/docs/en/model-config#extended-context-with-1m

Informações:

• Plano: Max ($200/mês)
• Claude Code versão: 2.1.123
• Comando executado: /model sonnet[1m]
• Data: 29 de abril de 2026
• Email da conta: adenisdesa.ai@gmail.com

Esperado:
Sonnet 4.6 com 1M context deve estar disponível em Max plan conforme documentação oficial.

Evidência:
De acordo com a documentação, Max plan inclui acesso a 1M context windows:
https://code.claude.com/docs/en/model-config#extended-context-with-1m

Colegas com Max plan conseguem acessar. Solicito ativação da feature ou diagnóstico do que está bloqueando.

Environment Info

• Platform: darwin
• Terminal: vscode
• Version: 2.1.114
• Feedback ID: 2228024f-4e79-4bce-b2b2-ff45fa9960da

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":"2026-04-29T22:39:42.437Z"}]