feat(datamart): intial setup to datamart migrations

backend/src/utils/trycatch.utils.ts

@@ -0,0 +1,28 @@
+type Success<T> = { data: T; error: null };
+type Failure<E> = { data: null; error: E };
+
+export type Result<T, E = Error> = Success<T> | Failure<E>;
+
+/**
+ * A universal tryCatch wrapper that:
+ *  - Never throws
+ *  - Always resolves to Result<T,E>
+ *  - Allows optional error mapping function for strong typing
+ */
+
+export async function tryCatch<T, E = Error>(
+	promise: Promise<T>,
+	onError?: (error: unknown) => E,
+): Promise<Result<T, E>> {
+	try {
+		const data = await promise;
+		return { data, error: null };
+	} catch (err: unknown) {
+		const error = onError
+			? onError(err)
+			: err instanceof Error
+				? (err as E)
+				: (new Error(String(err)) as E);
+		return { data: null, error };
+	}
+}