orchestrator-guide

Defined in hooks/hooks.json

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "${CLAUDE_PLUGIN_ROOT}/hooks/session-start.sh",
          "timeout": 30
        }
      ],
      "matcher": "*"
    }
  ]
}

"Executes ensure-tafelmusik.sh script on SessionStart to set up or verify Tafelmusik. Command hook with no bash execution or file writes."