config/claude-managed-settings.json

{
  "$schema": "https://json.schemastore.org/claude-code-settings.json",
  "model": "anthropic/claude-opus-4.8",
  "availableModels": [
    "anthropic/claude-opus-4.8"
  ],
  "env": {
    "ANTHROPIC_BASE_URL": "https://openrouter.ai/api",
    "ANTHROPIC_API_KEY": "",
    "ANTHROPIC_MODEL": "anthropic/claude-opus-4.8",
    "ANTHROPIC_DEFAULT_OPUS_MODEL": "anthropic/claude-opus-4.8",
    "ANTHROPIC_DEFAULT_SONNET_MODEL": "anthropic/claude-opus-4.8",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "anthropic/claude-opus-4.8",
    "CLAUDE_CODE_SUBAGENT_MODEL": "anthropic/claude-opus-4.8"
  }
}