first commit

src/app/api/dashboard/timeseries/route.ts

@@ -0,0 +1,12 @@
+import type {NextRequest} from 'next/server';
+import {ok, parseQuery, simulate, wantsEmpty} from '@/lib/api/server';
+import {buildTimeseries} from '@/lib/mock/dashboard';
+
+export const dynamic = 'force-dynamic';
+
+export async function GET(req: NextRequest) {
+  const q = parseQuery(req);
+  const simulated = await simulate(q);
+  if (simulated) return simulated;
+  return ok(wantsEmpty(q) ? [] : buildTimeseries(q.range, q.storeId, q.nowMs), q);
+}