Only show notification after CentralAuth autologin on Vector 2022

This brings in CentralAuth for phan analysis, using config patch
8063720d68ee1d2db2c37c1ad55da3fbef688bce in CI.

Bug: T345112
Change-Id: Iddd94b38f04a34dc18df8978c2bf45e8e204a85c

.phan/config.php

@@ -16,4 +16,20 @@
  *
  */
 
-return require __DIR__ . '/../vendor/mediawiki/mediawiki-phan-config/src/config.php';
+$cfg = require __DIR__ . '/../vendor/mediawiki/mediawiki-phan-config/src/config.php';
+
+$cfg['directory_list'] = array_merge(
+	$cfg['directory_list'],
+	[
+		'../../extensions/CentralAuth',
+	]
+);
+
+$cfg['exclude_analysis_directory_list'] = array_merge(
+	$cfg['exclude_analysis_directory_list'],
+	[
+		'../../extensions/CentralAuth',
+	]
+);
+
+return $cfg;

includes/CentralAuthHooks.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace MediaWiki\Skins\Vector;
+
+use MediaWiki\Extension\CentralAuth\Hooks\CentralAuthIsUIReloadRecommendedHook;
+use MediaWiki\User\UserOptionsLookup;
+use User;
+
+/**
+ * @package Vector
+ * @internal
+ */
+class CentralAuthHooks implements CentralAuthIsUIReloadRecommendedHook {
+
+	private UserOptionsLookup $userOptionsLookup;
+
+	public function __construct( UserOptionsLookup $userOptionsLookup ) {
+		$this->userOptionsLookup = $userOptionsLookup;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function onCentralAuthIsUIReloadRecommended( User $user, bool &$recommendReload ) {
+		if ( $this->userOptionsLookup->getDefaultOption( 'skin' ) === Constants::SKIN_NAME_MODERN ) {
+			// Vector 2022 does not support updating the UI without reloading the page (T345112)
+			$recommendReload = true;
+		}
+	}
+
+}

skin.json

@@ -170,11 +170,18 @@
 		"vector-toc-pinned": 1
 	},
 	"HookHandlers": {
+		"VectorCentralAuthHooks": {
+			"class": "MediaWiki\\Skins\\Vector\\CentralAuthHooks",
+			"services": [
+				"UserOptionsLookup"
+			]
+		},
 		"VectorHooks": {
 			"class": "MediaWiki\\Skins\\Vector\\Hooks"
 		}
 	},
 	"Hooks": {
+		"CentralAuthIsUIReloadRecommended": "VectorCentralAuthHooks",
 		"GetPreferences": "VectorHooks",
 		"LocalUserCreated": "VectorHooks",
 		"MakeGlobalVariablesScript": "VectorHooks",