Ergänzt AJAX-Livesuche für Seiten, Beiträge und Mediathek

src/Infrastructure/ConnectionFactory.php

@@ -21,6 +21,9 @@ final class ConnectionFactory
         }
         $connection = DriverManager::getConnection($params, $configuration);
         if ('pdo_sqlite' === $params['driver']) {
+            // SQLite's built-in LOWER only handles ASCII: searching for "über" must also find
+            // "Über uns", just as on MySQL. No database rewrite or search-specific schema needed.
+            $connection->getNativeConnection()->sqliteCreateFunction('lower', static fn (?string $value): ?string => null === $value ? null : mb_strtolower($value, 'UTF-8'), 1, \PDO::SQLITE_DETERMINISTIC);
             $connection->executeStatement('PRAGMA foreign_keys = ON');
             $connection->executeStatement('PRAGMA busy_timeout = 5000');
         }