(function() { if (typeof window === 'undefined') return; console.log('[v0] 🔧 Installing base64 polyfills...'); var originalBtoa = window.btoa; var originalAtob = window.atob; function arrayToBase64(data) { var base64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var result = ''; for (var i = 0; i < data.length; i += 3) { var byte1 = data[i]; var byte2 = i + 1 < data.length ? data[i + 1] : 0; var byte3 = i + 2 < data.length ? data[i + 2] : 0; var encoded1 = byte1 >> 2; var encoded2 = ((byte1 & 0x03) << 4) | (byte2 >> 4); var encoded3 = ((byte2 & 0x0f) << 2) | (byte3 >> 6); var encoded4 = byte3 & 0x3f; result += base64chars[encoded1]; result += base64chars[encoded2]; result += i + 1 < data.length ? base64chars[encoded3] : '='; result += i + 2 < data.length ? base64chars[encoded4] : '='; } return result; } function safeBase64Encode(str) { try { if (/^[\x00-\x7F]*$/.test(str)) { return originalBtoa.call(window, str); } var encoder = new TextEncoder(); var data = encoder.encode(str); return arrayToBase64(data); } catch (error) { console.error('[v0] Error in safeBase64Encode:', error); throw error; } } function base64ToArray(base64) { var base64chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var lookup = new Uint8Array(256); for (var i = 0; i < base64chars.length; i++) { lookup[base64chars.charCodeAt(i)] = i; } base64 = base64.replace(/\s/g, ''); var len = base64.length; var paddingLength = base64.endsWith('==') ? 2 : base64.endsWith('=') ? 1 : 0; var bufferLength = (len * 3) / 4 - paddingLength; var bytes = new Uint8Array(bufferLength); var p = 0; for (var i = 0; i < len; i += 4) { var encoded1 = lookup[base64.charCodeAt(i)]; var encoded2 = lookup[base64.charCodeAt(i + 1)]; var encoded3 = i + 2 < len && base64[i + 2] !== '=' ? lookup[base64.charCodeAt(i + 2)] : 0; var encoded4 = i + 3 < len && base64[i + 3] !== '=' ? lookup[base64.charCodeAt(i + 3)] : 0; bytes[p++] = (encoded1 << 2) | (encoded2 >> 4); if (i + 2 < len && base64[i + 2] !== '=') { bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2); } if (i + 3 < len && base64[i + 3] !== '=') { bytes[p++] = ((encoded3 & 3) << 6) | encoded4; } } return bytes; } function safeBase64Decode(base64) { try { var bytes = base64ToArray(base64); var decoder = new TextDecoder(); return decoder.decode(bytes); } catch (error) { console.error('[v0] Error in safeBase64Decode:', error); throw error; } } window.btoa = function(str) { try { if (/^[\x00-\x7F]*$/.test(str)) { return originalBtoa.call(window, str); } console.warn('[v0] ⚠️ btoa called with non-Latin1 characters, using safe encoding'); return safeBase64Encode(str); } catch (error) { console.error('[v0] ❌ btoa error, falling back to safe encoding:', error); return safeBase64Encode(str); } }; window.atob = function(base64) { try { return originalAtob.call(window, base64); } catch (error) { console.error('[v0] atob error, falling back to safe decoding:', error); return safeBase64Decode(base64); } }; console.log('[v0] ✅ Safe base64 polyfills installed successfully!'); })();

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