~/.claude/settings.json. The configuration follows: https://code.claude.com/docs/en/settings

settings.json

{
  "$schema": "https://json.schemastore.org/claude-code-settings.json",
  "model": "sonnet",
  "effortLevel": "medium",
  "autoCompactWindow": 400000,
  "fallbackModel": ["claude-sonnet-5", "claude-haiku-4-5"],
  "preferredNotifChannel": "terminal_bell",
  "awaySummaryEnabled": true,
  "permissions": {
    "allow": [
      "Bash(git status)",
      "Bash(git diff:*)",
      "Bash(git log:*)",
      "Bash(yarn test:*)",
      "Bash(pnpm test:*)",
      "Bash(npx tsc --noEmit)",
      "Bash(grep:*)",
      "Bash(rg:*)",
      "Bash(sed:*)"
    ],
    "deny": [
      "Read(.env*)",
      "Read(~/.aws/**)",
      "Read(~/.ssh/**)",
      "Bash(rm -rf:*)",
      "Bash(git push --force:*)"
    ]
  },
  "env": {
    "BASH_DEFAULT_TIMEOUT_MS": "300000",
    "CLAUDE_CODE_SUBAGENT_MODEL": "claude-haiku-4-5",
    "CLAUDE_CODE_NO_FLICKER": "1"
  },
  "hooks": {
    "Notification": [
      {
        "hooks": [
          { "type": "command", "command": "afplay /System/Library/Sounds/Glass.aiff" }
        ]
      }
    ]
  },
  "statusLine": {
    "type": "command",
    "command": "~/.claude/statusline.sh",
    "padding": 0
  }
}