feat(logger, telegram_bot): Add real-time Telegram logging capability

- Add TelegramLogHandler class to stream logs to Telegram in real-time
- Implement enable_telegram_logging() method to activate Telegram log streaming
- Implement disable_telegram_logging() method to deactivate Telegram log streaming
- Implement is_telegram_logging_enabled() method to check logging status
- Add /logs_live command to enable real-time log push notifications
- Add /logs_stop command to disable real-time log push notifications
- Update help text to document new real-time logging commands
- Remove obsolete team.json.example file
- Enables administrators to monitor system logs in real-time through Telegram bot

logger.py

@@ -72,6 +72,38 @@ class FileFormatter(logging.Formatter):
         return f"[{timestamp}] [{level}] {icon}{record.getMessage()}"
 
 
+class TelegramLogHandler(logging.Handler):
+    """Telegram 实时日志处理器"""
+
+    def __init__(self, callback, level=logging.INFO):
+        """初始化 Telegram 日志处理器
+
+        Args:
+            callback: 回调函数，接收 (message: str, level: str) 参数
+            level: 日志级别
+        """
+        super().__init__(level)
+        self.callback = callback
+        self.setFormatter(FileFormatter())
+
+    def emit(self, record):
+        """发送日志记录到 Telegram"""
+        try:
+            msg = self.format(record)
+            # 映射日志级别到 BotNotifier 的级别
+            level_map = {
+                logging.DEBUG: "debug",
+                logging.INFO: "info",
+                logging.WARNING: "warning",
+                logging.ERROR: "error",
+                logging.CRITICAL: "error"
+            }
+            level = level_map.get(record.levelno, "info")
+            self.callback(msg, level)
+        except Exception:
+            self.handleError(record)
+
+
 class Logger:
     """统一日志输出 (基于 Python logging 模块)"""
 
@@ -113,6 +145,7 @@ class Logger:
         self.name = name
         self.use_color = use_color
         self.enable_file_log = enable_file_log
+        self._telegram_handler = None  # Telegram 日志处理器
 
         # 从环境变量读取日志级别，默认 INFO
         if level is None:
@@ -162,6 +195,27 @@ class Logger:
             return self.ICONS.get(icon, icon)
         return ""
 
+    def enable_telegram_logging(self, callback, level: int = logging.INFO):
+        """启用 Telegram 实时日志
+
+        Args:
+            callback: 回调函数，接收 (message: str, level: str) 参数
+            level: 日志级别，默认 INFO
+        """
+        if self._telegram_handler is None:
+            self._telegram_handler = TelegramLogHandler(callback, level)
+            self._logger.addHandler(self._telegram_handler)
+
+    def disable_telegram_logging(self):
+        """禁用 Telegram 实时日志"""
+        if self._telegram_handler is not None:
+            self._logger.removeHandler(self._telegram_handler)
+            self._telegram_handler = None
+
+    def is_telegram_logging_enabled(self) -> bool:
+        """检查 Telegram 实时日志是否启用"""
+        return self._telegram_handler is not None
+
     def info(self, msg: str, icon: str = None, indent: int = 0):
         """信息日志"""
         prefix = "  " * indent