feat(sleep): 引入多样化的失眠触发机制

重构了失眠系统，引入了两种新的失眠触发机制：
1.  **低睡眠压力失眠**：当睡后检查时睡眠压力低于设定阈值，将触发失眠。
2.  **随机失眠**：在睡眠压力正常的情况下，仍有一定概率随机触发失眠。

同时，移除了原有的 `post_sleep_insomnia` 特定情绪，并调整了相关配置项，使失眠原因的传递和处理更加灵活。

src/chat/chat_loop/proactive/proactive_thinker.py

@@ -89,8 +89,6 @@ class ProactiveThinker:
                 new_mood = "深夜emo，胡思乱想"
             elif trigger_event.reason == "goodnight":
                 new_mood = "有点困了，准备睡觉了"
-            elif trigger_event.reason == "post_sleep_insomnia":
-                new_mood = "可恶，刚刚好像睡着了又醒了，现在睡不着了"
 
             # 如果成功匹配到了新的情绪，则更新情绪状态
             if new_mood:
@@ -117,7 +115,7 @@ class ProactiveThinker:
             actions, target_message = await self.cycle_processor.action_planner.plan(mode=ChatMode.PROACTIVE)
 
             # 通常只关心规划出的第一个动作
-            action_result = actions if actions else {}
+            action_result = actions[0] if actions else {}
 
             # 检查规划出的动作是否是“什么都不做”
             if action_result and action_result.get("action_type") != "do_nothing":

src/chat/chat_loop/sleep_manager/notification_sender.py

@@ -20,13 +20,13 @@ class NotificationSender:
             logger.error(f"发送晚安通知失败: {e}")
 
     @staticmethod
-    async def send_insomnia_notification(context: HfcContext):
+    async def send_insomnia_notification(context: HfcContext, reason: str):
         """发送失眠通知"""
         try:
             from ..proactive.events import ProactiveTriggerEvent
             from ..proactive.proactive_thinker import ProactiveThinker
 
-            event = ProactiveTriggerEvent(source="sleep_manager", reason="post_sleep_insomnia")
+            event = ProactiveTriggerEvent(source="sleep_manager", reason=reason)
             proactive_thinker = ProactiveThinker(context, context.chat_instance.cycle_processor)
             await proactive_thinker.think(event)
         except Exception as e:

src/chat/chat_loop/sleep_manager/sleep_manager.py

@@ -148,19 +148,26 @@ class SleepManager:
             if wakeup_manager:
                 sleep_pressure = wakeup_manager.context.sleep_pressure
                 pressure_threshold = global_config.sleep_system.flexible_sleep_pressure_threshold
-                # 如果睡眠压力低于阈值，则触发失眠
+                # 检查是否触发失眠
+                insomnia_reason = None
                 if sleep_pressure < pressure_threshold:
+                    insomnia_reason = "low_pressure"
                     logger.info(f"睡眠压力 ({sleep_pressure:.1f}) 低于阈值 ({pressure_threshold})，触发睡后失眠。")
+                elif random.random() < getattr(global_config.sleep_system, "random_insomnia_chance", 0.1):
+                    insomnia_reason = "random"
+                    logger.info("随机触发失眠。")
+
+                if insomnia_reason:
                     self._current_state = SleepState.INSOMNIA
                     
                     # 设置失眠的持续时间
                     duration_minutes_range = global_config.sleep_system.insomnia_duration_minutes
-                    duration_minutes = random.randint(duration_minutes_range[0], duration_minutes_range[1])
+                    duration_minutes = random.randint(*duration_minutes_range)
                     self._sleep_buffer_end_time = now + timedelta(minutes=duration_minutes)
                     
                     # 发送失眠通知
-                    asyncio.create_task(NotificationSender.send_insomnia_notification(wakeup_manager.context))
-                    logger.info(f"进入失眠状态，将持续 {duration_minutes} 分钟。")
+                    asyncio.create_task(NotificationSender.send_insomnia_notification(wakeup_manager.context, insomnia_reason))
+                    logger.info(f"进入失眠状态 (原因: {insomnia_reason})，将持续 {duration_minutes} 分钟。")
                 else:
                     # 睡眠压力正常，不触发失眠，清除检查时间点
                     logger.info(f"睡眠压力 ({sleep_pressure:.1f}) 正常，未触发睡后失眠。")

template/bot_config_template.toml

@@ -222,11 +222,6 @@ willing_mode = "classical" # 回复意愿模式 —— 经典模式：classical
 [tool]
 enable_tool = true # 是否在普通聊天中启用工具
 
-[tool.history]
-enable_history = true # 是否启用工具调用历史记录
-enable_prompt_history = true # 是否在提示词中加入工具历史记录
-max_history = 5 # 每个会话最多保留的历史记录数
-
 [mood]
 enable_mood = true # 是否启用情绪系统
 mood_update_threshold = 1 # 情绪更新阈值,越高，更新越慢
@@ -443,8 +438,6 @@ enable_insomnia_system = false # 是否启用失眠系统
 sleep_pressure_threshold = 30.0
 # 进入“深度睡眠”的睡眠压力阈值
 deep_sleep_threshold = 80.0
-# 压力不足时的失眠基础概率 (0.0 to 1.0)
-insomnia_chance_low_pressure = 0.6
 # 压力正常时的失眠基础概率 (0.0 to 1.0)
 insomnia_chance_normal_pressure = 0.1
 # 每次AI执行动作后，增加的睡眠压力值