feat(cross_context): 实现按互通组名称获取聊天记录

新增 `get_chat_history_by_group_name` API，允许插件按名称获取指定互通组的聊天记录。此功能增强了插件的上下文感知能力，使其能够利用跨群聊的对话历史。

主要变更：
- 在 `cross_context_api.py` 中添加了 `get_chat_history_by_group_name` 函数。
- Maizone 插件现在利用此 API 来获取跨群聊的上下文，以生成更相关的说说内容。
- 调整了配置文件模板，以反映新的互通组配置方式。

src/plugin_system/apis/cross_context_api.py

@@ -25,9 +25,11 @@ def get_context_groups(chat_id: str) -> Optional[List[List[str]]]:
         return None
 
     is_group = current_stream.group_info is not None
-    current_chat_raw_id = (
-        current_stream.group_info.group_id if is_group else current_stream.user_info.user_id
-    )
+    if is_group:
+        assert current_stream.group_info is not None
+        current_chat_raw_id = current_stream.group_info.group_id
+    else:
+        current_chat_raw_id = current_stream.user_info.user_id
     current_type = "group" if is_group else "private"
 
     for group in global_config.cross_context.groups:
@@ -129,4 +131,66 @@ async def build_cross_context_s4u(
     if not cross_context_messages:
         return ""
 
+    return "# 跨上下文参考\n" + "\n\n".join(cross_context_messages) + "\n"
+
+
+async def get_chat_history_by_group_name(group_name: str) -> str:
+    """
+    根据互通组名字获取聊天记录
+    """
+    target_group = None
+    for group in global_config.cross_context.groups:
+        if group.name == group_name:
+            target_group = group
+            break
+
+    if not target_group:
+        return f"找不到名为 {group_name} 的互通组。"
+
+    if not target_group.chat_ids:
+        return f"互通组 {group_name} 中没有配置任何聊天。"
+
+    chat_infos = target_group.chat_ids
+    chat_manager = get_chat_manager()
+
+    cross_context_messages = []
+    for chat_type, chat_raw_id in chat_infos:
+        is_group = chat_type == "group"
+
+        found_stream = None
+        for stream in chat_manager.streams.values():
+            if is_group:
+                if stream.group_info and stream.group_info.group_id == chat_raw_id:
+                    found_stream = stream
+                    break
+            else:  # private
+                if stream.user_info and stream.user_info.user_id == chat_raw_id and not stream.group_info:
+                    found_stream = stream
+                    break
+
+        if not found_stream:
+            logger.warning(f"在已加载的聊天流中找不到ID为 {chat_raw_id} 的聊天。")
+            continue
+
+        stream_id = found_stream.stream_id
+
+        try:
+            messages = get_raw_msg_before_timestamp_with_chat(
+                chat_id=stream_id,
+                timestamp=time.time(),
+                limit=5,  # 可配置
+            )
+            if messages:
+                chat_name = get_chat_manager().get_stream_name(stream_id) or chat_raw_id
+                formatted_messages, _ = build_readable_messages_with_id(
+                    messages, timestamp_mode="relative"
+                )
+                cross_context_messages.append(f'[以下是来自"{chat_name}"的近期消息]\n{formatted_messages}')
+        except Exception as e:
+            logger.error(f"获取聊天 {chat_raw_id} 的消息失败: {e}")
+            continue
+
+    if not cross_context_messages:
+        return f"无法从互通组 {group_name} 中获取任何聊天记录。"
+
     return "# 跨上下文参考\n" + "\n\n".join(cross_context_messages) + "\n"

src/plugins/built_in/maizone_refactored/services/content_service.py

@@ -13,6 +13,7 @@ from src.common.logger import get_logger
 import imghdr
 import asyncio
 from src.plugin_system.apis import llm_api, config_api, generator_api
+from src.plugin_system.apis.cross_context_api import get_chat_history_by_group_name
 from src.chat.message_receive.chat_stream import get_chat_manager
 from maim_message import UserInfo
 from src.llm_models.utils_model import LLMRequest
@@ -87,6 +88,11 @@ class ContentService:
             if context:
                 prompt += f"\n作为参考，这里有一些最近的聊天记录：\n---\n{context}\n---"
 
+            # 添加跨群聊上下文
+            cross_context = await get_chat_history_by_group_name("maizone_context_group")
+            if cross_context and "找不到名为" not in cross_context:
+                prompt += f"\n\n---跨群聊参考---\n{cross_context}\n---"
+
             # 添加历史记录以避免重复
             prompt += "\n\n---历史说说记录---\n"
             history_block = await get_send_history(qq_account)
@@ -232,7 +238,7 @@ class ContentService:
         for i in range(3):  # 重试3次
             try:
                 async with aiohttp.ClientSession() as session:
-                    async with session.get(image_url, timeout=30) as resp:
+                    async with session.get(image_url, timeout=aiohttp.ClientTimeout(total=30)) as resp:
                         if resp.status != 200:
                             logger.error(f"下载图片失败: {image_url}, status: {resp.status}")
                             await asyncio.sleep(2)

template/bot_config_template.toml

@@ -1,5 +1,5 @@
 [inner]
-version = "6.7.1"
+version = "6.7.2"
 
 #----以下是给开发人员阅读的，如果你只是部署了MoFox-Bot，不需要阅读----
 #如果你想要修改配置文件，请递增version的值
@@ -490,13 +490,9 @@ chat_ids = [
     ["group", "1025509724"],   # 假设这是“产品群”的ID
     ["private", "123456789"] # 假设这是某个用户的私聊
 ]
-[maizone_intercom]
-# QQ空间互通组配置
-# 启用后，发布说说时会读取指定互通组的上下文
-enable = false
 # 定义QQ空间互通组
 # 同一个组的chat_id会共享上下文，用于生成更相关的说说
-[[maizone_intercom.groups]]
+[[cross_context.maizone_context_group]]
 name = "Maizone默认互通组"
 chat_ids = [
     ["group", "111111"], # 示例群聊1