fix: use raw SSE with local matching, bulk polling, block-based confirmations, and multi-tx support

apps/pay/src/freedom.ts

@@ -15,6 +15,17 @@ export async function getAddressInfo(address: string): Promise<any> {
   return res.json();
 }
 
+/** Bulk address lookup — POST /address with { terms: [...] } */
+export async function getAddressInfoBulk(addresses: string[]): Promise<Record<string, any>> {
+  if (addresses.length === 0) return {};
+  const res = await fetch(`${API}/address`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({ terms: addresses }),
+  });
+  return res.json();
+}
+
 export function getQrUrl(text: string): string {
   return `${API}/invoice/qr/${encodeURIComponent(text)}`;
 }