chore(config): snapshot stage focus defaults

tests/check-utm-redirect-contract.php

@@ -30,6 +30,7 @@ if (!is_string($query)) {
 }
 
 parse_str($query, $params);
+$config = json_decode((string) file_get_contents(dirname(__DIR__) . '/config.json'), true);
 $expected = [
     'indpic' => '1',
     'theme' => 'dark',
@@ -37,7 +38,7 @@ $expected = [
     'registration' => 'after',
     'bchoice' => 'a',
     'chb' => 'b',
-    'tp' => '1',
+    'tp' => $config['utm']['tp']['default'] ?? null,
     'focus' => 'face',
     'utm_source' => 'stage-ad',
     'subid' => 'click-42',