feat: implement receipt alias functionality with CRUD operations and integrate with receipt import

frontend/app/api/receipt-alias-proxy/route.ts

@@ -0,0 +1,35 @@
+import { NextRequest, NextResponse } from 'next/server';
+
+const API_BASE =
+  process.env.NEXT_PUBLIC_API_URL_INTERNAL || 'http://recipe-api:8080';
+
+export async function GET() {
+  const res = await fetch(`${API_BASE}/api/receipt-aliases`, { cache: 'no-store' });
+  const text = await res.text();
+  return new NextResponse(text, {
+    status: res.status,
+    headers: { 'Content-Type': 'application/json' },
+  });
+}
+
+export async function POST(request: NextRequest) {
+  const body = await request.json();
+  const res = await fetch(`${API_BASE}/api/receipt-aliases`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(body),
+  });
+  const text = await res.text();
+  return new NextResponse(text, {
+    status: res.status,
+    headers: { 'Content-Type': 'application/json' },
+  });
+}
+
+export async function DELETE(request: NextRequest) {
+  const id = request.nextUrl.searchParams.get('id');
+  const res = await fetch(`${API_BASE}/api/receipt-aliases/${id}`, {
+    method: 'DELETE',
+  });
+  return new NextResponse(null, { status: res.status });
+}