feat(memory): 重构记忆系统检索机制并优化召回率
- 实现五阶段检索流程：元数据过滤→向量搜索→语义重排序→上下文过滤→增强重排序 - 添加回退机制保障检索健壮性，当主检索失败时自动降级到文本匹配 - 优化向量相似度阈值配置，提升记忆召回率 - 新增记忆融合候选收集机制，避免重复记忆存储 - 改进记忆格式化器，支持多种展示格式 - 增强向量存储加载和重建逻辑，确保数据持久化 - 优化记忆存储时机，移至回复生成完成后异步执行 - 添加详细的检索调试日志，便于问题排查 - 简化查询规划器提示模板，提升生成效率
This commit is contained in:
Windpicker-owo
@@ -329,6 +329,13 @@ class DefaultReplyer:
|
||||
logger.error(f"LLM 生成失败: {llm_e}")
|
||||
return False, None, prompt # LLM 调用失败则无法生成回复
|
||||
|
||||
# 回复生成成功后，异步存储聊天记忆（不阻塞返回）
|
||||
try:
|
||||
await self._store_chat_memory_async(reply_to, reply_message)
|
||||
except Exception as memory_e:
|
||||
# 记忆存储失败不应该影响回复生成的成功返回
|
||||
logger.warning(f"记忆存储失败，但不影响回复生成: {memory_e}")
|
||||
|
||||
return True, llm_response, prompt
|
||||
|
||||
except UserWarning as uw:
|
||||
@@ -571,15 +578,7 @@ class DefaultReplyer:
|
||||
context=memory_context
|
||||
)
|
||||
|
||||
# 异步存储聊天历史（非阻塞）
|
||||
asyncio.create_task(
|
||||
remember_message(
|
||||
message=chat_history,
|
||||
user_id=memory_user_id,
|
||||
chat_id=stream.stream_id,
|
||||
context=memory_context
|
||||
)
|
||||
)
|
||||
# 注意：记忆存储已迁移到回复生成完成后进行，不在查询阶段执行
|
||||
|
||||
# 转换格式以兼容现有代码
|
||||
running_memories = []
|
||||
@@ -1676,6 +1675,143 @@ class DefaultReplyer:
|
||||
logger.error(f"获取AFC关系信息失败: {e}")
|
||||
return f"你与{sender}是普通朋友关系。"
|
||||
|
||||
async def _store_chat_memory_async(self, reply_to: str, reply_message: Optional[Dict[str, Any]] = None):
|
||||
"""
|
||||
异步存储聊天记忆（从build_memory_block迁移而来）
|
||||
|
||||
Args:
|
||||
reply_to: 回复对象
|
||||
reply_message: 回复的原始消息
|
||||
"""
|
||||
try:
|
||||
if not global_config.memory.enable_memory or not global_config.memory.enable_instant_memory:
|
||||
return
|
||||
|
||||
# 使用增强记忆系统存储记忆
|
||||
from src.chat.memory_system.enhanced_memory_integration import remember_message
|
||||
|
||||
stream = self.chat_stream
|
||||
user_info_obj = getattr(stream, "user_info", None)
|
||||
group_info_obj = getattr(stream, "group_info", None)
|
||||
|
||||
memory_user_id = str(stream.stream_id)
|
||||
memory_user_display = None
|
||||
memory_aliases = []
|
||||
user_info_dict = {}
|
||||
|
||||
if user_info_obj is not None:
|
||||
raw_user_id = getattr(user_info_obj, "user_id", None)
|
||||
if raw_user_id:
|
||||
memory_user_id = str(raw_user_id)
|
||||
|
||||
if hasattr(user_info_obj, "to_dict"):
|
||||
try:
|
||||
user_info_dict = user_info_obj.to_dict() # type: ignore[attr-defined]
|
||||
except Exception:
|
||||
user_info_dict = {}
|
||||
|
||||
candidate_keys = [
|
||||
"user_cardname",
|
||||
"user_nickname",
|
||||
"nickname",
|
||||
"remark",
|
||||
"display_name",
|
||||
"user_name",
|
||||
]
|
||||
|
||||
for key in candidate_keys:
|
||||
value = user_info_dict.get(key)
|
||||
if isinstance(value, str) and value.strip():
|
||||
stripped = value.strip()
|
||||
if memory_user_display is None:
|
||||
memory_user_display = stripped
|
||||
elif stripped not in memory_aliases:
|
||||
memory_aliases.append(stripped)
|
||||
|
||||
attr_keys = [
|
||||
"user_cardname",
|
||||
"user_nickname",
|
||||
"nickname",
|
||||
"remark",
|
||||
"display_name",
|
||||
"name",
|
||||
]
|
||||
|
||||
for attr in attr_keys:
|
||||
value = getattr(user_info_obj, attr, None)
|
||||
if isinstance(value, str) and value.strip():
|
||||
stripped = value.strip()
|
||||
if memory_user_display is None:
|
||||
memory_user_display = stripped
|
||||
elif stripped not in memory_aliases:
|
||||
memory_aliases.append(stripped)
|
||||
|
||||
alias_values = (
|
||||
user_info_dict.get("aliases")
|
||||
or user_info_dict.get("alias_names")
|
||||
or user_info_dict.get("alias")
|
||||
)
|
||||
if isinstance(alias_values, (list, tuple, set)):
|
||||
for alias in alias_values:
|
||||
if isinstance(alias, str) and alias.strip():
|
||||
stripped = alias.strip()
|
||||
if stripped not in memory_aliases and stripped != memory_user_display:
|
||||
memory_aliases.append(stripped)
|
||||
|
||||
memory_context = {
|
||||
"user_id": memory_user_id,
|
||||
"user_display_name": memory_user_display or "",
|
||||
"user_name": memory_user_display or "",
|
||||
"nickname": memory_user_display or "",
|
||||
"sender_name": memory_user_display or "",
|
||||
"platform": getattr(stream, "platform", None),
|
||||
"chat_id": stream.stream_id,
|
||||
"stream_id": stream.stream_id,
|
||||
}
|
||||
|
||||
if memory_aliases:
|
||||
memory_context["user_aliases"] = memory_aliases
|
||||
|
||||
if group_info_obj is not None:
|
||||
group_name = getattr(group_info_obj, "group_name", None) or getattr(group_info_obj, "group_nickname", None)
|
||||
if group_name:
|
||||
memory_context["group_name"] = str(group_name)
|
||||
group_id = getattr(group_info_obj, "group_id", None)
|
||||
if group_id:
|
||||
memory_context["group_id"] = str(group_id)
|
||||
|
||||
memory_context = {key: value for key, value in memory_context.items() if value}
|
||||
|
||||
# 构建聊天历史用于存储
|
||||
message_list_before_short = await get_raw_msg_before_timestamp_with_chat(
|
||||
chat_id=stream.stream_id,
|
||||
timestamp=time.time(),
|
||||
limit=int(global_config.chat.max_context_size * 0.33),
|
||||
)
|
||||
chat_history = await build_readable_messages(
|
||||
message_list_before_short,
|
||||
replace_bot_name=True,
|
||||
merge_messages=False,
|
||||
timestamp_mode="relative",
|
||||
read_mark=0.0,
|
||||
show_actions=True,
|
||||
)
|
||||
|
||||
# 异步存储聊天历史（完全非阻塞）
|
||||
asyncio.create_task(
|
||||
remember_message(
|
||||
message=chat_history,
|
||||
user_id=memory_user_id,
|
||||
chat_id=stream.stream_id,
|
||||
context=memory_context
|
||||
)
|
||||
)
|
||||
|
||||
logger.debug(f"已启动记忆存储任务，用户: {memory_user_display or memory_user_id}")
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"存储聊天记忆失败: {e}")
|
||||
|
||||
|
||||
def weighted_sample_no_replacement(items, weights, k) -> list:
|
||||
"""
|
||||
|
||||
Reference in New Issue
Block a user