chore: prepare for PR

tests/Unit/SslipDomainWarningTest.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * Regression for #11079 / #11030: clearing domains normalizes to null, then
+ * sslipDomainWarning must accept null without a TypeError.
+ */
+it('returns false when domains are null', function () {
+    expect(sslipDomainWarning(null))->toBeFalse();
+});
+
+it('returns false when domains are empty or whitespace', function () {
+    expect(sslipDomainWarning(''))->toBeFalse();
+    expect(sslipDomainWarning('   '))->toBeFalse();
+});
+
+it('returns false for non-sslip https domains', function () {
+    expect(sslipDomainWarning('https://example.com'))->toBeFalse();
+    expect(sslipDomainWarning('http://app.example.com,https://www.example.com'))->toBeFalse();
+});
+
+it('returns false for http sslip domains without https', function () {
+    expect(sslipDomainWarning('http://app.127.0.0.1.sslip.io'))->toBeFalse();
+});
+
+it('returns true when any domain uses https with sslip', function () {
+    expect(sslipDomainWarning('https://app.127.0.0.1.sslip.io'))->toBeTrue();
+    expect(sslipDomainWarning('https://example.com,https://app.127.0.0.1.sslip.io'))->toBeTrue();
+});