Extract API, migrations and portable NAS deployment

scripts/prepare-test-db.mjs

@@ -0,0 +1,9 @@
+import { spawnSync } from 'node:child_process';
+import { compose } from './compose.mjs';
+// The fixed, separate database is never dropped. No credentials are passed on the command line.
+compose(['exec', '-T', 'db', 'sh', '-c', `export MYSQL_PWD="$MARIADB_ROOT_PASSWORD"; mariadb -u root -e "CREATE DATABASE IF NOT EXISTS model_delivery_test CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; GRANT ALL PRIVILEGES ON model_delivery_test.* TO '$MARIADB_USER'@'%';"`]);
+for (const script of ['db:migrate', 'db:seed']) {
+  // pnpm exposes its JS entry point to scripts; invoking Node avoids Windows shell quoting.
+  const result = spawnSync(process.execPath, [process.env.npm_execpath, script], { stdio: 'inherit', env: { ...process.env, DB_NAME: 'model_delivery_test' } });
+  if (result.status !== 0) process.exit(result.status ?? 1);
+}