{
  "hooks": {
    "PreToolUse": [
      { "matcher": "Bash", "hooks": [{ "type": "command", "command": "echo pre", "timeout": 5000 }] }
    ],
    "PostToolUse": [
      { "matcher": "Write", "hooks": [{ "type": "command", "command": "echo post", "timeout": 5000 }] }
    ]
  }
}