refactor: relocate drizzle utility to playground, update schema import path, and add User type export.

Author: clifordpereira

playground/server/utils/drizzle.ts

@@ -0,0 +1,12 @@
+import { drizzle } from "drizzle-orm/d1";
+import * as schema from "../database/schema";
+
+export { sql, eq, and, or } from "drizzle-orm";
+
+export const tables = schema;
+
+export function useDrizzle() {
+  return drizzle(hubDatabase(), { schema });
+}
+
+export type User = typeof schema.users.$inferSelect;