fix

lib/core/services/print_service.dart

@@ -19,6 +19,7 @@ class PrintService {
     required double issuedKg,
     required int issuedPcs,
     String? responsibleName,
+    String? receiverName,
     String? barcodeData,
   }) async {
     // Load Vietnamese-compatible fonts using PdfGoogleFonts
@@ -323,6 +324,35 @@ class PrintService {
 
                 pw.SizedBox(height: 12),
 
+
+                pw.Container(
+                  decoration: pw.BoxDecoration(
+                    border: pw.Border.all(color: PdfColors.black, width: 0.5),
+                    borderRadius: pw.BorderRadius.circular(8),
+                  ),
+                  padding: const pw.EdgeInsets.all(8),
+                  child: pw.Row(
+                    children: [
+                      pw.Text(
+                        'Nhân viên tiếp nhận: ',
+                        style: pw.TextStyle(
+                          fontSize: 10,
+                          color: PdfColors.grey700,
+                        ),
+                      ),
+                      pw.Text(
+                        receiverName ?? '-',
+                        style: pw.TextStyle(
+                          fontSize: 12,
+                          fontWeight: pw.FontWeight.bold,
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+
+                pw.SizedBox(height: 12),
+
                 // Barcode section
                 if (barcodeData != null && barcodeData.isNotEmpty)
                   pw.Center(

lib/core/storage/secure_storage.dart

@@ -52,6 +52,9 @@ class SecureStorage {
   /// Key for storing username
   static const String _usernameKey = 'username';
 
+  /// Key for storing email
+  static const String _emailKey = 'email';
+
   // ==================== Token Management ====================
 
   /// Save access token securely
@@ -126,6 +129,24 @@ class SecureStorage {
     }
   }
 
+  /// Save email
+  Future<void> saveEmail(String email) async {
+    try {
+      await _storage.write(key: _emailKey, value: email);
+    } catch (e) {
+      throw Exception('Failed to save email: $e');
+    }
+  }
+
+  /// Get email
+  Future<String?> getEmail() async {
+    try {
+      return await _storage.read(key: _emailKey);
+    } catch (e) {
+      throw Exception('Failed to read email: $e');
+    }
+  }
+
   /// Check if user is authenticated (has valid access token)
   Future<bool> isAuthenticated() async {
     final token = await getAccessToken();