feat: ship self-hosted KOC LOOP workflows

scripts/check-mysql.mjs

@@ -0,0 +1,24 @@
+import mysql from "mysql2/promise";
+
+function databaseUrl() {
+  if (process.env.DATABASE_URL) return process.env.DATABASE_URL;
+  const host = process.env.MYSQL_HOST ?? "127.0.0.1";
+  const port = process.env.MYSQL_PORT ?? "3306";
+  const user = encodeURIComponent(process.env.MYSQL_USER ?? "koc");
+  const password = encodeURIComponent(process.env.MYSQL_PASSWORD ?? "");
+  const database = process.env.MYSQL_DATABASE ?? "koc_loop";
+  return `mysql://${user}:${password}@${host}:${port}/${database}`;
+}
+const connection = await mysql.createConnection({
+  uri: databaseUrl(),
+  charset: "utf8mb4",
+  timezone: "Z",
+});
+try {
+  const [rows] = await connection.query(
+    "SELECT COUNT(*) AS table_count FROM information_schema.tables WHERE table_schema = DATABASE()",
+  );
+  console.info(`database ready, tables=${Number(rows[0]?.table_count ?? 0)}`);
+} finally {
+  await connection.end();
+}