calendar +agenda PREREQUISITE: Read for auth, global flags, and security rules. If missing, run to create it. Show upcoming events across all calendars Usage Flags | Flag | Required | Default | Description | |------|----------|---------|-------------| | | — | — | Show today's events | | | — | — | Show tomorrow's events | | | — | — | Show this week's events | | | — | — | Number of days ahead to show | | | — | — | Filter to specific calendar name or ID | | | — | — | IANA timezone override (e.g. America/Denver). Defaults to Google account timezone. | Examples Tips - Read-only — never modifies ev…