feat: contacts and voucher assignment

app/api/contacts/route.ts

@@ -0,0 +1,25 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getDb } from "@/lib/db";
+import { validateContact } from "@/lib/contacts";
+
+export async function GET() {
+  const db = getDb();
+  const all = await db.contact.findMany({ orderBy: { name: "asc" } });
+  return NextResponse.json(all);
+}
+
+export async function POST(req: NextRequest) {
+  const body = await req.json().catch(() => ({}));
+  const input = {
+    name: String(body.name ?? ""),
+    email: body.email ? String(body.email) : null,
+    telegramChatId: body.telegramChatId ? String(body.telegramChatId) : null,
+  };
+  const errs = validateContact(input);
+  if (errs.length) return NextResponse.json({ errors: errs }, { status: 400 });
+  const db = getDb();
+  const created = await db.contact.create({
+    data: { name: input.name.trim(), email: input.email?.trim() || null, telegramChatId: input.telegramChatId?.trim() || null },
+  });
+  return NextResponse.json(created, { status: 201 });
+}