新增账户管理类，创建AccountManager类以处理账户信息的保存和建议邮箱的生成。同时更新CursorRegistration类以使用AccountManager进行账户信息的保存，并在用户输入邮箱时提供建议邮箱功能。更新多语言本地化文件以支持新功能的翻译。

account_manager.py

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+import os
+from colorama import Fore, Style
+import re
+
+# Define emoji constants
+EMOJI = {
+    'SUCCESS': '✅',
+    'ERROR': '❌',
+    'INFO': 'ℹ️'
+}
+
+class AccountManager:
+    def __init__(self, translator=None):
+        self.translator = translator
+        self.accounts_file = 'cursor_accounts.txt'
+    
+    def save_account_info(self, email, password, token, total_usage):
+        """Save account information to file"""
+        try:
+            with open(self.accounts_file, 'a', encoding='utf-8') as f:
+                f.write(f"\n{'='*50}\n")
+                f.write(f"Email: {email}\n")
+                f.write(f"Password: {password}\n")
+                f.write(f"Token: {token}\n")
+                f.write(f"Usage Limit: {total_usage}\n")
+                f.write(f"{'='*50}\n")
+                
+            print(f"{Fore.GREEN}{EMOJI['SUCCESS']} {self.translator.get('register.account_info_saved') if self.translator else 'Account information saved'}...{Style.RESET_ALL}")
+            return True
+            
+        except Exception as e:
+            error_msg = self.translator.get('register.save_account_info_failed', error=str(e)) if self.translator else f'Failed to save account information: {str(e)}'
+            print(f"{Fore.RED}{EMOJI['ERROR']} {error_msg}{Style.RESET_ALL}")
+            return False
+    
+    def get_last_email_domain(self):
+        """Get the domain from the last used email"""
+        try:
+            if not os.path.exists(self.accounts_file):
+                return None
+            
+            # Only read the last 1KB of data from the file
+            with open(self.accounts_file, 'rb') as f:
+                # Get file size
+                f.seek(0, os.SEEK_END)
+                file_size = f.tell()
+                
+                if file_size == 0:
+                    return None
+                
+                # Determine the number of bytes to read, maximum 1KB
+                read_size = min(1024, file_size)
+                
+                # Move to the appropriate position to start reading
+                f.seek(file_size - read_size)
+                
+                # Read the end data
+                data = f.read(read_size).decode('utf-8', errors='ignore')
+            
+            # Split by lines and search in reverse
+            lines = data.split('\n')
+            for line in reversed(lines):
+                if line.strip().startswith('Email:'):
+                    email = line.split('Email:')[1].strip()
+                    # Extract domain part (after @)
+                    if '@' in email:
+                        return email.split('@')[1]
+                    return None
+            
+            # If no email is found in the last 1KB
+            return None
+            
+        except Exception as e:
+            error_msg = self.translator.get('account.get_last_email_domain_failed', error=str(e)) if self.translator else f'Failed to get the last used email domain: {str(e)}'
+            print(f"{Fore.RED}{EMOJI['ERROR']} {error_msg}{Style.RESET_ALL}")
+            return None
+    
+    def suggest_email(self, first_name, last_name):
+        """Generate a suggested email based on first and last name with the last used domain"""
+        try:
+            # Get the last used email domain
+            domain = self.get_last_email_domain()
+            if not domain:
+                return None
+            
+            # Generate email prefix from first and last name (lowercase)
+            email_prefix = f"{first_name.lower()}.{last_name.lower()}"
+            
+            # Combine prefix and domain
+            suggested_email = f"{email_prefix}@{domain}"
+            
+            return suggested_email
+        
+        except Exception as e:
+            error_msg = self.translator.get('account.suggest_email_failed', error=str(e)) if self.translator else f'Failed to suggest email: {str(e)}'
+            print(f"{Fore.RED}{EMOJI['ERROR']} {error_msg}{Style.RESET_ALL}")
+            return None