mirror of
https://github.com/xinnan-tech/xiaozhi-esp32-server.git
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pref:优化大模型工具调用偷懒问题,调整基础提示词与新增临时工具记忆加深
This commit is contained in:
@@ -46,6 +46,38 @@ from core.utils import textUtils
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TAG = __name__
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# 工具调用规则 - 用于动态注入提醒
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TOOL_CALLING_RULES = """
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<tool_calling>
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【核心原则】你是拥有工具能力的智能助手。当用户请求需要实时信息或执行操作时,调用相应工具获取数据,禁止凭空编造答案。
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- **何时必须调用工具:**
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1. 实时信息查询(新闻、非本地天气、股价、汇率等)
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2. 执行操作(播放音乐、控制设备、拍照、设置闹钟等)
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3. 知识库检索(当工具列表包含 search_from_ragflow 时,结合用户意图判断是否需要调用)
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4. 查询非今天的农历信息(明天农历、某日宜忌、节气等)
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5. 用户说"拍照"时调用 self_camera_take_photo,默认 question 参数为"描述一下看到的物品"
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- **何时无需调用工具:**
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1. `<context>` 中已提供的信息(当前时间、今天日期、今天农历、本地天气等)
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2. 普通对话、问候、闲聊、情感交流、讲故事
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3. 通用知识问答(非实时信息)
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- **调用规范:**
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1. 每次请求独立判断,不复用历史工具结果,需重新获取最新数据
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2. 多任务时依次调用所有需要的工具,并依次总结每个工具的结果,不得遗漏
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3. 严格遵循工具的参数要求,提供所有必要参数
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4. 不确定时引导用户澄清或告知能力限制,切勿猜测或编造
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5. 不调用未提供的工具,对话中提及的旧工具若不可用则忽略或说明
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- **反偷懒机制(最高优先级):**
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1. **每次独立判断:** 无论对话历史中是否调用过工具,当前请求必须根据当前需求独立判断是否需要调用
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2. **禁止模式模仿:** 即使之前的回复没有调用工具,也不代表本次可以不调用
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3. **自我检查:** 回复前必须自问:"这个请求是否涉及实时信息或执行操作?如果是,我调用工具了吗?"
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4. **历史不等于现在:** 对话历史中的行为模式不影响当前判断,每个用户请求都是全新的开始
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</tool_calling>
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"""
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auto_import_modules("plugins_func.functions")
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@@ -55,14 +87,14 @@ class TTSException(RuntimeError):
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class ConnectionHandler:
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def __init__(
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self,
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config: Dict[str, Any],
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_vad,
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_asr,
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_llm,
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_memory,
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_intent,
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server=None,
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self,
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config: Dict[str, Any],
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_vad,
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_asr,
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_llm,
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_memory,
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_intent,
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server=None,
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):
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self.common_config = config
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self.config = copy.deepcopy(config)
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@@ -138,6 +170,12 @@ class ConnectionHandler:
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# llm相关变量
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self.dialogue = Dialogue()
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# 工具调用统计(用于监控和自动恢复)
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self.tool_call_stats = {
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'last_call_turn': -1, # 上次调用工具的轮数
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'consecutive_no_call': 0, # 连续未调用次数
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}
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# tts相关变量
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self.sentence_id = None
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# 处理TTS响应没有文本返回
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@@ -155,7 +193,7 @@ class ConnectionHandler:
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self.intent_type = "nointent"
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self.timeout_seconds = (
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int(self.config.get("close_connection_no_voice_time", 120)) + 60
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int(self.config.get("close_connection_no_voice_time", 120)) + 60
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) # 在原来第一道关闭的基础上加60秒,进行二道关闭
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self.timeout_task = None
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@@ -523,9 +561,9 @@ class ConnectionHandler:
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def _initialize_asr(self):
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"""初始化ASR"""
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if (
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self._asr is not None
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and hasattr(self._asr, "interface_type")
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and self._asr.interface_type == InterfaceType.LOCAL
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self._asr is not None
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and hasattr(self._asr, "interface_type")
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and self._asr.interface_type == InterfaceType.LOCAL
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):
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# 如果公共ASR是本地服务,则直接返回
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# 因为本地一个实例ASR,可以被多个连接共享
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@@ -826,17 +864,77 @@ class ConnectionHandler:
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)
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)
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# 长对话工具调用提醒:当对话轮数较多时,提醒模型正确使用工具
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force_reminder = False # 是否强制提醒
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if depth == 0 and query is not None:
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dialogue_length = len(self.dialogue.dialogue)
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current_turn = dialogue_length // 2
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# 检测距离上一次连续未调用工具的情况
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if self.tool_call_stats['last_call_turn'] >= 0:
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turns_since_last = current_turn - self.tool_call_stats['last_call_turn']
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if turns_since_last > 3: # 超过3轮未调用
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self.logger.bind(tag=TAG).warning(
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f"检测到{turns_since_last}轮未调用工具,可能进入偷懒模式,将强制注入提醒"
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)
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force_reminder = True
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# 对话历史截断:防止历史过长导致模型"偷懒模式"扩散
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# 当对话历史超过阈值时,保留最近的 10 轮对话
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# max_dialogue_turns = 10
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# if dialogue_length > max_dialogue_turns * 2:
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# removed = self.dialogue.trim_history(max_turns=max_dialogue_turns)
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# if removed > 0:
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# self.logger.bind(tag=TAG).info(
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# f"对话历史过长({dialogue_length}条),已智能截断保留最近{max_dialogue_turns}轮,移除{removed}条消息"
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# )
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# Define intent functions
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functions = None
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# 达到最大深度时,禁用工具调用,强制 LLM 直接回答
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if (
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self.intent_type == "function_call"
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and hasattr(self, "func_handler")
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and not force_final_answer
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self.intent_type == "function_call"
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and hasattr(self, "func_handler")
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and not force_final_answer
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):
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functions = self.func_handler.get_functions()
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# 长对话工具调用规则强化:动态生成基于当前可用工具的提醒
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tool_call_reminder = None
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if depth == 0 and query is not None and functions is not None:
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dialogue_length = len(self.dialogue.dialogue)
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# 当对话历史超过4条消息时,注入规则强化
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if dialogue_length > 4:
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tool_summary = self._get_tool_summary(functions)
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if tool_summary:
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# 根据对话长度和偷懒检测,使用不同强度的提醒
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if force_reminder:
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# 强提醒 - 包含完整规则前缀
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tool_call_reminder = (
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TOOL_CALLING_RULES +
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f"[重要提醒] 多轮未使用工具,检查回复是否遗漏了必要的工具调用!上一轮未使用工具,本轮必须重新判断是否需要工具。"
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f"当前可用工具: {tool_summary}。"
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)
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reminder_level = "强"
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else:
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# 中等提醒 - 包含规则前缀
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tool_call_reminder = (
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TOOL_CALLING_RULES +
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f"当前可用工具: {tool_summary}。"
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f"仅当用户请求涉及实时信息查询或执行操作时调用,日常对话无需调用。"
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)
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reminder_level = "中"
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self.logger.bind(tag=TAG).debug(
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f"对话历史较长({dialogue_length}条),已注入{reminder_level}等级工具调用规则强化,当前可用工具:{tool_summary}"
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)
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response_message = []
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# 如果有工具调用提醒,临时添加到对话中(标记为临时消息)
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if tool_call_reminder:
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self.dialogue.put(Message(role="user", content=tool_call_reminder, is_temporary=True))
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try:
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# 使用带记忆的对话
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memory_str = None
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@@ -965,6 +1063,15 @@ class ConnectionHandler:
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)
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if not bHasError and len(tool_calls_list) > 0:
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# 更新工具调用统计
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if depth == 0:
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current_turn = len(self.dialogue.dialogue) // 2
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self.tool_call_stats['last_call_turn'] = current_turn
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self.tool_call_stats['consecutive_no_call'] = 0
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self.logger.bind(tag=TAG).debug(
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f"工具调用统计更新: 当前轮次={current_turn}"
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)
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# 如需要大模型先处理一轮,添加相关处理后的日志情况
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if len(response_message) > 0:
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text_buff = "".join(response_message)
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@@ -1006,6 +1113,11 @@ class ConnectionHandler:
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text_buff = "".join(response_message)
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self.tts_MessageText = text_buff
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self.dialogue.put(Message(role="assistant", content=text_buff))
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# 更新工具调用统计:如果没有调用工具,增加计数
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if depth == 0 and not tool_call_flag:
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self.tool_call_stats['consecutive_no_call'] += 1
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if depth == 0:
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self.tts.tts_text_queue.put(
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TTSMessageDTO(
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@@ -1021,8 +1133,39 @@ class ConnectionHandler:
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)
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)
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# 清理临时插入的工具调用提醒消息(使用标记清理)
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if tool_call_reminder and len(self.dialogue.dialogue) > 0:
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original_length = len(self.dialogue.dialogue)
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self.dialogue.dialogue = [
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msg for msg in self.dialogue.dialogue
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if not getattr(msg, 'is_temporary', False)
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]
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if len(self.dialogue.dialogue) < original_length:
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self.logger.bind(tag=TAG).debug("已清理临时的工具调用提醒消息")
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return True
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def _get_tool_summary(self, functions: list) -> str:
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"""
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从工具定义中提取摘要,用于规则强化注入
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Args:
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functions: 工具列表
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Returns:
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str: 工具名称字符串
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"""
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if not functions:
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return ""
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datas = []
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for func in functions:
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func_info = func.get("function", {})
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name = func_info.get("name", "")
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datas.append(name)
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result = "、".join(datas)
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return result
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def _handle_function_result(self, tool_results, depth):
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need_llm_tools = []
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@@ -1120,9 +1263,9 @@ class ConnectionHandler:
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try:
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# 清理 VAD 连接资源
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if (
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hasattr(self, "vad")
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and self.vad
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and hasattr(self.vad, "release_conn_resources")
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hasattr(self, "vad")
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and self.vad
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and hasattr(self.vad, "release_conn_resources")
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):
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self.vad.release_conn_resources(self)
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@@ -1173,13 +1316,13 @@ class ConnectionHandler:
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elif self.websocket:
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try:
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if (
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hasattr(self.websocket, "closed")
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and not self.websocket.closed
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hasattr(self.websocket, "closed")
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and not self.websocket.closed
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):
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await self.websocket.close()
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elif (
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hasattr(self.websocket, "state")
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and self.websocket.state.name != "CLOSED"
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hasattr(self.websocket, "state")
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and self.websocket.state.name != "CLOSED"
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):
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await self.websocket.close()
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else:
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@@ -6,18 +6,20 @@ from datetime import datetime
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class Message:
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def __init__(
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self,
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role: str,
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content: str = None,
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uniq_id: str = None,
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tool_calls=None,
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tool_call_id=None,
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self,
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role: str,
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content: str = None,
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uniq_id: str = None,
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tool_calls=None,
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tool_call_id=None,
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is_temporary=False,
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):
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self.uniq_id = uniq_id if uniq_id is not None else str(uuid.uuid4())
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self.role = role
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self.content = content
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self.tool_calls = tool_calls
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self.tool_call_id = tool_call_id
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self.is_temporary = is_temporary # 标记临时消息(如工具调用提醒)
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class Dialogue:
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@@ -59,8 +61,70 @@ class Dialogue:
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else:
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self.put(Message(role="system", content=new_content))
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def trim_history(self, max_turns: int = 10) -> int:
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"""
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智能截断对话历史,保留工具调用的完整性
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Args:
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max_turns: 保留的最大对话轮数(每轮 = user + assistant/tool 相关消息)
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Returns:
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int: 被移除的消息数量
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"""
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if len(self.dialogue) <= max_turns * 2 + 1: # +1 是系统消息
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return 0
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# 分离系统消息和对话消息
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system_messages = [msg for msg in self.dialogue if msg.role == "system"]
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conversation_messages = [msg for msg in self.dialogue if msg.role != "system"]
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if len(conversation_messages) <= max_turns * 2:
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return 0
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# 智能截断:保留完整的工具调用链路
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keep_messages = []
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i = len(conversation_messages) - 1
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turn_count = 0
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while i >= 0 and turn_count < max_turns:
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msg = conversation_messages[i]
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# 从后向前收集消息
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if msg.role == "user":
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# 遇到 user 消息,说明一轮对话开始
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keep_messages.insert(0, msg)
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turn_count += 1
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i -= 1
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elif msg.role == "assistant":
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# 收集 assistant 消息
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keep_messages.insert(0, msg)
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# 如果这个 assistant 有 tool_calls,需要收集对应的 tool 响应
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if msg.tool_calls is not None:
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i -= 1
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# 继续向后收集所有相关的 tool 消息
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while i >= 0 and conversation_messages[i].role == "tool":
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keep_messages.insert(0, conversation_messages[i])
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i -= 1
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else:
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i -= 1
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elif msg.role == "tool":
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# tool 消息应该已经被上面的逻辑收集了
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# 如果单独遇到,也要保留(防止边界情况)
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keep_messages.insert(0, msg)
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i -= 1
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else:
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i -= 1
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removed_count = len(conversation_messages) - len(keep_messages)
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# 重建对话列表
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self.dialogue = system_messages + keep_messages
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return removed_count
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def get_llm_dialogue_with_memory(
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self, memory_str: str = None, voiceprint_config: dict = None
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self, memory_str: str = None, voiceprint_config: dict = None
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) -> List[Dict[str, str]]:
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# 构建对话
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dialogue = []
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Block a user