ruff，私聊视为提及了bot

src/chat/frequency_analyzer/analyzer.py

@@ -14,6 +14,7 @@ Chat Frequency Analyzer
 - MIN_CHATS_FOR_PEAK: 在一个窗口内需要多少次聊天才能被认为是高峰时段。
 - MIN_GAP_BETWEEN_PEAKS_HOURS: 两个独立高峰时段之间的最小间隔（小时）。
 """
+
 import time as time_module
 from datetime import datetime, timedelta, time
 from typing import List, Tuple, Optional
@@ -72,12 +73,14 @@ class ChatFrequencyAnalyzer:
                 current_window_end = datetimes[i]
 
                 # 合并重叠或相邻的高峰时段
-                if peak_windows and current_window_start - peak_windows[-1][1] < timedelta(hours=MIN_GAP_BETWEEN_PEAKS_HOURS):
+                if peak_windows and current_window_start - peak_windows[-1][1] < timedelta(
+                    hours=MIN_GAP_BETWEEN_PEAKS_HOURS
+                ):
                     # 扩展上一个窗口的结束时间
                     peak_windows[-1] = (peak_windows[-1][0], current_window_end)
                 else:
                     peak_windows.append((current_window_start, current_window_end))
-        
+
         return peak_windows
 
     def get_peak_chat_times(self, chat_id: str) -> List[Tuple[time, time]]:
@@ -100,7 +103,7 @@ class ChatFrequencyAnalyzer:
             return []
 
         peak_datetime_windows = self._find_peak_windows(timestamps)
-        
+
         # 将 datetime 窗口转换为 time 窗口，并进行归一化处理
         peak_time_windows = []
         for start_dt, end_dt in peak_datetime_windows:
@@ -110,7 +113,7 @@ class ChatFrequencyAnalyzer:
 
         # 更新缓存
         self._analysis_cache[chat_id] = (time_module.time(), peak_time_windows)
-        
+
         return peak_time_windows
 
     def is_in_peak_time(self, chat_id: str, now: Optional[datetime] = None) -> bool:
@@ -126,7 +129,7 @@ class ChatFrequencyAnalyzer:
         """
         if now is None:
             now = datetime.now()
-        
+
         now_time = now.time()
         peak_times = self.get_peak_chat_times(chat_id)
 
@@ -137,7 +140,7 @@ class ChatFrequencyAnalyzer:
             else:  # 跨天
                 if now_time >= start_time or now_time <= end_time:
                     return True
-        
+
         return False