fix(wallet): improve imtoken mobile login fallback

src/wallet/injected.ts

@@ -175,6 +175,28 @@ export function logWalletProviders(): void {
   });
 }
 
+export async function connectInjectedWallet(
+  kind?: WalletKind,
+): Promise<string> {
+  /* eslint-disable no-console */
+  console.info("[wallet-login] start injected connect", { kind });
+  logWalletProviders();
+  const ethereum = getInjectedWallet(kind);
+  if (!ethereum) {
+    console.warn("[wallet-login] no injected provider found");
+    throw new Error("No injected wallet found");
+  }
+
+  console.info("[wallet-login] requesting BNB wallet account…");
+  const address = await requestInjectedAddress(ethereum);
+  console.info("[wallet-login] injected account", address);
+
+  console.info("[wallet-login] ensuring BNB Chain (0x38)…");
+  await ensureBnbChain(ethereum);
+  return address;
+  /* eslint-enable no-console */
+}
+
 export async function signInWithInjectedWallet(kind?: WalletKind): Promise<{
   token: string;
   wallet: string;

src/wallet/useWalletConnectLogin.ts

@@ -2,7 +2,11 @@ import { useCallback, useRef, useState } from "react";
 import { useConnect, useDisconnect } from "wagmi";
 import { bsc } from "wagmi/chains";
 import { hasWalletConnectProjectId } from "./RainbowWalletProvider";
-import type { WalletKind } from "./injected";
+import {
+  connectInjectedWallet,
+  getInjectedWallet,
+  type WalletKind,
+} from "./injected";
 import { localWalletToken, useWallet } from "./WalletProvider";
 
 export type WalletConnectLoginState = "idle" | "connecting" | "signing";
@@ -15,6 +19,11 @@ function isMobileDevice(): boolean {
   );
 }
 
+function currentUrl(): string {
+  if (typeof window === "undefined") return "https://ark-library.com";
+  return window.location.href;
+}
+
 function walletConnectDeeplink(
   kind: WalletKind | undefined,
   uri: string,
@@ -31,6 +40,27 @@ function walletConnectDeeplink(
   return null;
 }
 
+function inAppBrowserFallback(kind: WalletKind | undefined): string | null {
+  if (kind === "imToken") {
+    return `imtokenv2://navigate/DappView?url=${encodeURIComponent(currentUrl())}`;
+  }
+  return null;
+}
+
+function openWalletDeeplink(
+  kind: WalletKind | undefined,
+  deeplink: string,
+): void {
+  window.location.href = deeplink;
+  const fallback = inAppBrowserFallback(kind);
+  if (!fallback) return;
+  window.setTimeout(() => {
+    if (document.visibilityState === "visible") {
+      window.location.href = fallback;
+    }
+  }, 1500);
+}
+
 /**
  * MetaMask / imToken QR fallback via RainbowKit + WalletConnect.
  *
@@ -76,11 +106,28 @@ export function useWalletConnectLogin() {
       pendingRef.current = true;
       setState("connecting");
 
+      if (preferredWallet && getInjectedWallet(preferredWallet)) {
+        try {
+          const injectedAddress = await connectInjectedWallet(preferredWallet);
+          console.info("[wallet-login] injected connected", {
+            preferredWallet,
+            address: injectedAddress,
+            chain: "BNB Chain",
+            chainId: bsc.id,
+          });
+          completeLogin(localWalletToken(injectedAddress), injectedAddress);
+          setState("idle");
+          return;
+        } catch (err) {
+          console.info("[wallet-login] injected connect fallback to wc", {
+            preferredWallet,
+            message: err instanceof Error ? err.message : String(err),
+          });
+        }
+      }
+
       // This modal is QR/WalletConnect-only. RainbowKit also exposes wallet-
       // specific injected connectors (for example `tokenPocket`) when an
-      // extension is installed; using those here makes the click try the local
-      // browser extension and can fail with "wallet must has at least one
-      // account" before a QR is shown.
       const connector =
         connectors.find((item) => item.type === "walletConnect") ??
         connectors.find((item) => item.id === "walletConnect");
@@ -114,7 +161,7 @@ export function useWalletConnectLogin() {
         if (mode === "qr") setQrUri(message.data);
         const deeplink = walletConnectDeeplink(preferredWallet, message.data);
         if (mode === "deeplink" && deeplink && isMobileDevice()) {
-          window.location.href = deeplink;
+          openWalletDeeplink(preferredWallet, deeplink);
         }
       };