Korjaa integrations-taulun charset yhteensopivuus MariaDB-dumpin kanssa

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

db.php

@@ -611,10 +611,9 @@ function initDatabase(): void {
             config JSON,
             created DATETIME,
             updated DATETIME,
-            FOREIGN KEY (company_id) REFERENCES companies(id) ON DELETE CASCADE,
             UNIQUE KEY uk_company_type (company_id, type),
             INDEX idx_company (company_id)
-        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4",
+        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci",
     ];
 
     foreach ($tables as $i => $sql) {