fix(bsc): repair wallet connection on /bsc payment page

Three bugs prevented wallet connection from working end-to-end:

1. /bsc was missing from ConditionalWalletProviders route list, so
   the global wallet provider tree never mounted for that page.

2. The page worked around this by creating its own inline
   LazyStewardWalletProviders, but that introduced a nested
   QueryClientProvider isolated from the root app QueryClient.
   useAttachWallet's invalidateQueries({ queryKey: ['user-profile'] })
   fired against the wrong client, so the user profile never refreshed
   after wallet verification and the UI stayed stuck on the attach step.

3. The nested QueryClientProvider in StewardWalletProviders was also
   the source of the prior wagmi circular-chunk bug (documented in
   vite.config.ts) that caused TypeError: n is not a function on /bsc
   in older production builds.

Fix: add /bsc and /bsc/* to WALLET_ROUTE_PATTERNS, remove the inline
provider wrapper from bsc/page.tsx (ConditionalWalletProviders covers
it at layout level), and remove the isolated QueryClientProvider from
StewardWalletProviders so all hooks share the root QueryClient.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Shaw

packages/cloud-frontend/src/pages/bsc/page.tsx

@@ -18,11 +18,6 @@ import { Link } from "react-router-dom";
 import type { CryptoStatusResponse } from "@/lib/types/crypto-status";
 import { useUserProfile } from "../../lib/data/user";
 
-const LazyStewardWalletProviders = lazy(async () => {
-  const mod = await import("../login/steward-wallet-providers");
-  return { default: mod.StewardWalletProviders };
-});
-
 const LazyDirectCryptoCreditCard = lazy(async () => {
   const mod = await import(
     "../../dashboard/billing/_components/direct-crypto-credit-card"
@@ -227,28 +222,26 @@ export default function BscPromoPage() {
                     </Card>
                   }
                 >
-                  <LazyStewardWalletProviders>
-                    {user.wallet_address ? (
-                      <LazyDirectCryptoCreditCard
-                        amount={amountValue}
-                        promoCode="bsc"
-                        status={status}
-                        accountWalletAddress={user.wallet_address}
-                        surface="cloud"
-                        lockedNetwork="bsc"
-                        onSuccess={() => undefined}
-                      />
-                    ) : (
-                      // OAuth signups (Google / Discord / GitHub / Magic
-                      // Link / Passkey) land here. The direct-crypto-payments
-                      // endpoint requires `user.wallet_address`, so until
-                      // they verify a wallet against their account the pay
-                      // button is a dead-end. AttachWalletCard drives the
-                      // SIWE flow that fixes that, then `useUserProfile`
-                      // refetches and this branch swaps to the purchase UI.
-                      <LazyAttachWalletCard chainId={56} />
-                    )}
-                  </LazyStewardWalletProviders>
+                  {user.wallet_address ? (
+                    <LazyDirectCryptoCreditCard
+                      amount={amountValue}
+                      promoCode="bsc"
+                      status={status}
+                      accountWalletAddress={user.wallet_address}
+                      surface="cloud"
+                      lockedNetwork="bsc"
+                      onSuccess={() => undefined}
+                    />
+                  ) : (
+                    // OAuth signups (Google / Discord / GitHub / Magic
+                    // Link / Passkey) land here. The direct-crypto-payments
+                    // endpoint requires `user.wallet_address`, so until
+                    // they verify a wallet against their account the pay
+                    // button is a dead-end. AttachWalletCard drives the
+                    // SIWE flow that fixes that, then `useUserProfile`
+                    // refetches and this branch swaps to the purchase UI.
+                    <LazyAttachWalletCard chainId={56} />
+                  )}
                 </Suspense>
               )}
             </div>

packages/cloud-frontend/src/pages/login/steward-wallet-providers.tsx

@@ -13,7 +13,6 @@ import {
   PhantomWalletAdapter,
   SolflareWalletAdapter,
 } from "@solana/wallet-adapter-wallets";
-import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { useMemo } from "react";
 import { http, WagmiProvider } from "wagmi";
 import { base, bsc, mainnet } from "wagmi/chains";
@@ -65,7 +64,6 @@ export function StewardWalletProviders({
     [alchemyKey, appUrl, walletConnectProjectId],
   );
 
-  const queryClient = useMemo(() => new QueryClient(), []);
   const rainbowTheme = useMemo(
     () =>
       darkTheme({
@@ -83,15 +81,13 @@ export function StewardWalletProviders({
 
   return (
     <WagmiProvider config={evmConfig}>
-      <QueryClientProvider client={queryClient}>
-        <RainbowKitProvider theme={rainbowTheme} modalSize="compact">
-          <ConnectionProvider endpoint={solanaEndpoint}>
-            <WalletProvider wallets={solanaWallets} autoConnect>
-              <WalletModalProvider>{children}</WalletModalProvider>
-            </WalletProvider>
-          </ConnectionProvider>
-        </RainbowKitProvider>
-      </QueryClientProvider>
+      <RainbowKitProvider theme={rainbowTheme} modalSize="compact">
+        <ConnectionProvider endpoint={solanaEndpoint}>
+          <WalletProvider wallets={solanaWallets} autoConnect>
+            <WalletModalProvider>{children}</WalletModalProvider>
+          </WalletProvider>
+        </ConnectionProvider>
+      </RainbowKitProvider>
     </WagmiProvider>
   );
 }

packages/cloud-frontend/src/providers/ConditionalWalletProviders.tsx

@@ -16,6 +16,8 @@ import { matchPath, useLocation } from "react-router-dom";
 const WALLET_ROUTE_PATTERNS = [
   "/login",
   "/login/*",
+  "/bsc",
+  "/bsc/*",
   "/dashboard/billing",
   "/dashboard/billing/*",
   "/dashboard/settings",