Returns the tenant's custom theme configurations as a bare array. No authentication required — the login page needs theme info to render correctly before the user logs in.
Array of custom themes (may be empty)
Unique theme ID, generated on creation.
Theme display name.
Whether this is the tenant default theme.
When true, tenant branding (logo, favicon) is shown while this theme is active.
Whether this is a dark-mode theme.
Which logo variant to display when this theme is active. 'default' follows the theme's isDark flag, 'Dark' always uses the dark logo, 'Light' always uses the light logo.
CSS variable map (variable name → color value).
Whether this theme's content currently matches what's applied.