Backend: DB schema, login API

packages/backend/src/RequestError.ts

@@ -0,0 +1,21 @@
+import { Data } from "effect";
+
+export class RequestError extends Data.TaggedError("RequestError")<{
+	readonly status: number,
+	readonly body?: string,
+}> {
+	get response(): Response {
+		if (this.body) {
+			const body = new TextEncoder().encode(this.body);
+			return new Response(body, {
+				headers: {
+					"Content-Length": body.byteLength.toString(),
+					"Content-Type": "text/plain; charset=utf-8",
+				},
+				status: this.status,
+			});
+		} else {
+			return new Response(null, { status: this.status });
+		}
+	}
+}