advpl-specialist

Defined in hooks/hooks.json

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "async": false,
          "command": "${CLAUDE_PLUGIN_ROOT}/hooks/session-start"
        }
      ],
      "matcher": "startup|resume"
    }
  ]
}

"On SessionStart, checks package.json diff between plugin root and data dir, copies it if changed, runs npm install --production, or removes if fails. Executes shell commands, writes files."