Fix admin cache hydration cycle and guard QR code Android detection

js/adminListStore.js

@@ -10,9 +10,9 @@ import {
   isDevMode,
 } from "./config.js";
 import {
-  nostrClient,
+  getRegisteredNostrClient,
   requestDefaultExtensionPermissions,
-} from "./nostr.js";
+} from "./nostrClientRegistry.js";
 import { devLogger, userLogger } from "./utils/logger.js";
 import {
   buildAdminListEvent,
@@ -40,6 +40,17 @@ function createError(code, message, cause) {
   return error;
 }
 
+function requireNostrClient() {
+  const client = getRegisteredNostrClient();
+  if (!client) {
+    throw createError(
+      "nostr-unavailable",
+      "Nostr relay pool is not initialized.",
+    );
+  }
+  return client;
+}
+
 function normalizeNpub(value) {
   return typeof value === "string" ? value.trim() : "";
 }
@@ -350,10 +361,12 @@ function clearLegacyStorageFor(listKey) {
 }
 
 function ensureNostrReady() {
-  if (!nostrClient || !nostrClient.pool) {
+  const nostrClient = requireNostrClient();
+
+  if (!nostrClient.pool) {
     throw createError(
       "nostr-unavailable",
-      "Nostr relay pool is not initialized."
+      "Nostr relay pool is not initialized.",
     );
   }
 
@@ -578,6 +591,7 @@ function extractNpubsFromEvent(event) {
 }
 
 async function fetchLatestListEvent(filter, contextLabel = "admin-list") {
+  const nostrClient = requireNostrClient();
   const relays = ensureNostrReady();
 
   const normalizedFilter = {};
@@ -876,6 +890,7 @@ function publishListWithFirstAcceptance(pool, relays, event, options = {}) {
 }
 
 async function persistNostrState(actorNpub, updates = {}) {
+  const nostrClient = requireNostrClient();
   ensureNostrReady();
   const permissionResult = await requestDefaultExtensionPermissions();
   if (!permissionResult.ok) {