fix(update): v2.7.1 avoid transient Nginx 502 error during 1-click web update

scripts/update.sh

@@ -261,7 +261,7 @@ if [ -t 1 ]; then
     systemctl reload nginx 2>/dev/null || true
     fail2ban-client reload >/dev/null 2>&1 || true
 else
-    (nohup bash -c "sleep 2 && (systemctl reload php8.4-fpm 2>/dev/null || systemctl reload php8.2-fpm 2>/dev/null || systemctl reload php*-fpm 2>/dev/null || true); systemctl reload nginx 2>/dev/null || true; fail2ban-client reload >/dev/null 2>&1 || true" >/dev/null 2>&1 &)
+    (nohup bash -c "sleep 1 && (systemctl reload php8.4-fpm 2>/dev/null || systemctl reload php8.2-fpm 2>/dev/null || systemctl reload php*-fpm 2>/dev/null || true); systemctl reload nginx 2>/dev/null || true; fail2ban-client reload >/dev/null 2>&1 || true" </dev/null >/dev/null 2>&1 &)
 fi
 
 NEW_VER="Inconnue"
@@ -279,10 +279,17 @@ echo ""
 if [ -f "$APP_DIR/version.json" ]; then
     echo -e "${C_CYAN}${C_BOLD}Nouveautés de cette version :${C_RESET}"
     php -r '
-    $v = json_decode(file_get_contents("/var/www/nexus-pbx/version.json"), true);
-    if (!empty($v["changelog"])) {
-        foreach ($v["changelog"] as $line) {
-            echo "  • " . $line . "\n";
+    $v = json_decode(@file_get_contents("/var/www/nexus-pbx/version.json"), true);
+    if (!empty($v["changelog"]) && is_array($v["changelog"])) {
+        $first = $v["changelog"][0];
+        if (is_array($first) && !empty($first["changes"])) {
+            foreach ($first["changes"] as $line) {
+                echo "  • " . $line . "\n";
+            }
+        } else {
+            foreach ($v["changelog"] as $line) {
+                if (is_string($line)) echo "  • " . $line . "\n";
+            }
         }
     }
     '