{
  "hooks": {
    "PreToolUse": [
      { "matcher": "Bash|Grep",  "hooks": [{ "type": "command", "command": "graphify hook-guard search || exit 0" }] },
      { "matcher": "Read|Glob",  "hooks": [{ "type": "command", "command": "graphify hook-guard read || exit 0" }] }
    ]
  }
}