add client info page

src/routes/api/clients/[id]/+server.ts

@@ -0,0 +1,20 @@
+import { error } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { findClient, mapClientToDetails } from '$lib/server/clients';
+
+export const GET: RequestHandler = async (event) => {
+	if (!event.locals.user) {
+		return error(401, 'Unauthorized');
+	}
+
+	const { id } = event.params;
+	const clientId = parseInt(id);
+	if (isNaN(clientId)) {
+		return error(400, 'Invalid client ID');
+	}
+	const client = await findClient(event.locals.user.id, clientId);
+	if (!client) {
+		return error(404, 'Client not found');
+	}
+	return new Response(JSON.stringify(mapClientToDetails(client)));
+};