fix: backend SSE uses fetch streaming (EventSource not available in Bun), bulk lookup fallback

apps/pay/src/freedom.ts

@@ -15,7 +15,8 @@ export async function getAddressInfo(address: string): Promise<any> {
   return res.json();
 }
 
-/** Bulk address lookup — POST /address with { terms: [...] } */
+/** Bulk address lookup — POST /address with { terms: [...] }
+ *  Normalizes response to { address: info } map regardless of API format. */
 export async function getAddressInfoBulk(addresses: string[]): Promise<Record<string, any>> {
   if (addresses.length === 0) return {};
   const res = await fetch(`${API}/address`, {
@@ -23,7 +24,32 @@ export async function getAddressInfoBulk(addresses: string[]): Promise<Record<st
     headers: { "Content-Type": "application/json" },
     body: JSON.stringify({ terms: addresses }),
   });
-  return res.json();
+  const data = await res.json();
+
+  // Normalize: if response is already keyed by address, return as-is.
+  // If it's an array, index by address field.
+  if (Array.isArray(data)) {
+    const map: Record<string, any> = {};
+    for (const item of data) {
+      if (item?.address) map[item.address] = item;
+    }
+    return map;
+  }
+
+  // Check if it's keyed by address — verify first value has address-like fields
+  const firstKey = Object.keys(data)[0];
+  if (firstKey && data[firstKey]?.address) return data;
+
+  // If keyed by index (0, 1, 2...), map back to addresses
+  if (firstKey === "0" || firstKey === "1") {
+    const map: Record<string, any> = {};
+    for (let i = 0; i < addresses.length; i++) {
+      if (data[i]) map[addresses[i]] = data[i];
+    }
+    return map;
+  }
+
+  return data;
 }
 
 export function getQrUrl(text: string): string {