refactor: unify backend and frontend servers (#3)

* refactor: unify backend and frontend servers

* refactor: correct paths for openapi & drizzle

* refactor: move api-client to client

* fix: drizzle paths

* chore: fix linting issues

* fix: form reset issue

app/server/core/scheduler.ts

@@ -0,0 +1,44 @@
+import cron, { type ScheduledTask } from "node-cron";
+import { logger } from "../utils/logger";
+
+export abstract class Job {
+	abstract run(): Promise<unknown>;
+}
+
+type JobConstructor = new () => Job;
+
+class SchedulerClass {
+	private tasks: ScheduledTask[] = [];
+
+	async start() {
+		logger.info("Scheduler started");
+	}
+
+	build(JobClass: JobConstructor) {
+		const job = new JobClass();
+		return {
+			schedule: (cronExpression: string) => {
+				const task = cron.schedule(cronExpression, async () => {
+					try {
+						await job.run();
+					} catch (error) {
+						logger.error(`Job ${JobClass.name} failed:`, error);
+					}
+				});
+
+				this.tasks.push(task);
+				logger.info(`Scheduled job ${JobClass.name} with cron: ${cronExpression}`);
+			},
+		};
+	}
+
+	async stop() {
+		for (const task of this.tasks) {
+			task.stop();
+		}
+		this.tasks = [];
+		logger.info("Scheduler stopped");
+	}
+}
+
+export const Scheduler = new SchedulerClass();