project-setup-jj

Defined inline in plugin.json manifest

{
  "PreToolUse": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "${CLAUDE_PLUGIN_ROOT}/scripts/block-raw-git.sh"
        }
      ],
      "matcher": "Bash"
    }
  ]
}

"Runs a Node.js script before every Bash tool call via PreToolUse hook with Bash matcher, enabling blocking or modification of bash commands. Executes bash, no file writes."