feat : log Apache configurable via Administration → Site (apache_access_log)

Ajoute apacheAccessLog() dans SiteSettings — priorité au réglage admin,
fallback sur APACHE_ACCESS_LOG dans .env. Champ ajouté dans le formulaire
Site de l'administration.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/SiteSettings.php

@@ -59,10 +59,19 @@ function siteLicenseUrl(): string
     return siteSettings()['site_license_url'] ?? 'https://creativecommons.org/licenses/by/4.0/';
 }
 
+function apacheAccessLog(): string
+{
+    $fromSettings = siteSettings()['apache_access_log'] ?? '';
+    if ($fromSettings !== '') {
+        return $fromSettings;
+    }
+    return (string)($_ENV['APACHE_ACCESS_LOG'] ?? getenv('APACHE_ACCESS_LOG') ?: 'lan.acegrp.varlog-access.log');
+}
+
 function saveSiteSettings(array $data): bool
 {
     $current = siteSettings();
-    $stringKeys = ['site_title', 'site_claim', 'site_lang', 'site_license_label', 'site_license_url'];
+    $stringKeys = ['site_title', 'site_claim', 'site_lang', 'site_license_label', 'site_license_url', 'apache_access_log'];
     foreach ($stringKeys as $key) {
         if (array_key_exists($key, $data)) {
             $val = trim((string)$data[$key]);