goodthinking

Defined in hooks/hooks.json

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

"Executes a synchronous shell command ('${CLAUDE_PLUGIN_ROOT}/hooks/session-start') on SessionStart events matching 'startup|clear|compact'. No bash execution or file writes."