added migration

docker/migrate.php

@@ -26,8 +26,13 @@ try {
         } while ($conn->more_results() && $conn->next_result());
         fwrite(STDOUT, "Applied: $file\n");
     }
+    // Fail the one-shot service before starting Apache if setup is incomplete.
+    foreach (['rec_admin', 'rec_exam_attempt', 'rec_exam_event', 'rec_candidate_login_guard'] as $table) {
+        $conn->query("SELECT 1 FROM `$table` LIMIT 0");
+    }
+    $conn->query('SELECT email, nama_de, nama_be, idkar, password_hash FROM rec_admin LIMIT 0');
     fwrite(STDOUT, "Database ready. Existing accounts and test data were preserved.\n");
 } catch (Throwable $error) {
-    fwrite(STDERR, 'Migration failed: ' . $error->getMessage() . "\nImport the base database first; see docs/deployment.md.\n");
+    fwrite(STDERR, 'Migration failed: ' . $error->getMessage() . "\nReview setup logs and docs/deployment.md before retrying.\n");
     exit(1);
 }