cogni-workspace

Defined in hooks/hooks.json

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "${CLAUDE_PLUGIN_ROOT}/hooks/on-session-start.sh",
          "timeout": 15
        }
      ],
      "matcher": "*"
    }
  ]
}

"Executes session-start.sh shell script synchronously on SessionStart events matching startup, resume, clear, or compact."