claude-md-plugin

Defined in hooks/hooks.json

{
  "SessionStart": [
    {
      "hooks": [
        {
          "type": "command",
          "command": "${CLAUDE_PLUGIN_ROOT}/hooks/session-start.sh",
          "timeout": 10
        }
      ],
      "matcher": "*"
    }
  ]
}

"Runs 'ttal context' command on SessionStart events matching 'startup|clear', enabling context initialization at session startup or clear. Uses command type with 15s timeout; no bash or file writes."