feat(portal): lead module, WHMCS sync report/contacts/mapping, service lifecycle email templates

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

app/Services/Email/EmailTemplateRenderer.php

@@ -42,6 +42,9 @@ class EmailTemplateRenderer
 
     private function replace(string $content, array $variables, array $data): string
     {
+        $examples = array_map(fn (array $definition) => $definition['example'] ?? '', $variables);
+        $content = MailPlaceholders::resolveConditionals($content, [...$examples, ...$data]);
+
         return preg_replace_callback(self::PLACEHOLDER_PATTERN, function (array $match) use ($variables, $data) {
             $key = $match[1];
             if (!isset($variables[$key]) && !array_key_exists($key, $data)) {