OTSSigns-Website/theme/inc/setup.php

<?php
/**
 * Theme Setup - registers supports, menus, patterns, and editor styles.
 *
 * @package OTS_Theme
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/* ── Theme supports ────────────────────────────────────────── */
add_action( 'after_setup_theme', function () {

	// FSE / block essentials
	add_theme_support( 'wp-block-styles' );
	add_theme_support( 'responsive-embeds' );
	add_theme_support( 'editor-styles' );

	// Classic fallback supports (still respected by block themes)
	add_theme_support( 'automatic-feed-links' );
	add_theme_support( 'title-tag' );
	add_theme_support( 'post-thumbnails' );
	add_theme_support( 'custom-logo', [
		'height'      => 40,
		'width'       => 180,
		'flex-height' => true,
		'flex-width'  => true,
	] );
	add_theme_support( 'html5', [
		'search-form',
		'comment-form',
		'comment-list',
		'gallery',
		'caption',
		'style',
		'script',
	] );

	// Load main.css inside the block editor so previews match the frontend
	add_editor_style( 'assets/css/main.css' );

	// Navigation menus (used by oribi/site-header block)
	register_nav_menus( [
		'primary' => __( 'Primary Menu', 'ots-theme' ),
		'footer'  => __( 'Footer Menu', 'ots-theme' ),
	] );
} );

/* ── Block pattern categories ──────────────────────────────── */
add_action( 'init', function () {
	register_block_pattern_category( 'oribi-pages', [
		'label' => __( 'Oribi Tech - Pages', 'ots-theme' ),
	] );
	register_block_pattern_category( 'oribi-sections', [
		'label' => __( 'Oribi Tech - Sections', 'ots-theme' ),
	] );
} );

/* ── Remove core block patterns if desired ─────────────────── */
add_action( 'after_setup_theme', function () {
	remove_theme_support( 'core-block-patterns' );
} );