增加兼容低版本内核的页面

client/src/lib/legacyBrowser.ts

@@ -0,0 +1,47 @@
+/**
+ * Minimal shims for Chrome 91 WebView (and similar legacy Chromium).
+ * Import once from main.legacy.tsx before the app mounts.
+ */
+
+if (typeof Object.hasOwn !== "function") {
+  Object.hasOwn = (obj, prop) =>
+    Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+if (!Array.prototype.at) {
+  // eslint-disable-next-line no-extend-native
+  Array.prototype.at = function at(index) {
+    const len = this.length;
+    const k = index >= 0 ? index : len + index;
+    if (k < 0 || k >= len) return undefined;
+    return this[k];
+  };
+}
+
+if (typeof globalThis.structuredClone !== "function") {
+  globalThis.structuredClone = (value) => JSON.parse(JSON.stringify(value));
+}
+
+/**
+ * Minimal shims for Chrome 91 WebView (and similar legacy Chromium).
+ * Import once from main.tsx before the app mounts.
+ */
+
+if (typeof Object.hasOwn !== "function") {
+  Object.hasOwn = (obj, prop) =>
+    Object.prototype.hasOwnProperty.call(obj, prop);
+}
+
+if (!Array.prototype.at) {
+  Array.prototype.at = function at(index) {
+    const len = this.length;
+    const k = index >= 0 ? index : len + index;
+    if (k < 0 || k >= len) return undefined;
+    return this[k];
+  };
+}
+
+if (typeof globalThis.structuredClone !== "function") {
+  globalThis.structuredClone = <T>(value: T): T =>
+    JSON.parse(JSON.stringify(value)) as T;
+}

client/src/lib/luxsinApi.ts

@@ -28,6 +28,15 @@ export function decodeCustomBase64(encoded: string): string {
     const index = ALPHABET_CUSTOM.indexOf(char);
     translated += index !== -1 ? ALPHABET_STANDARD.charAt(index) : char;
   }
+  // Strip whitespace / newlines that may be present in API responses.
+  // Chrome 91 atob() is stricter than modern browsers and rejects these.
+  translated = translated.replace(/\s/g, "");
+  // Ensure correct Base64 padding (=).  Modern atob() tolerates missing padding,
+  // but Chrome 91 throws "The string to be decoded is not correctly encoded".
+  const padNeeded = (4 - (translated.length % 4)) % 4;
+  if (padNeeded > 0) {
+    translated += "=".repeat(padNeeded);
+  }
   const decoded = atob(translated);
   const bytes = new Uint8Array(decoded.length);
   for (let i = 0; i < decoded.length; i++) {