gemini-cli

Defined in hooks/hooks.json

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

"Runs setup-container.sh script on SessionStart to initialize a container environment for the coding session. Executes shell command, no bash or file writes."