feat(maizone): 为说说生成增加跨上下文聊天记录参考

现在，maizone插件可以利用指定用户的近期聊天记录作为上下文，来生成更加贴合近期对话内容和情绪的说说。

- 新增 `cross_context.user_id` 配置项，用于指定获取上下文的目标用户。
- 在生成说说前，通过 `cross_context_api` 获取并整合聊天记录到LLM的提示词中。
- 这使得生成的说说内容能够反映最近的讨论，更具个性化和时效性。

src/plugins/built_in/maizone_refactored/plugin.py

@@ -83,6 +83,9 @@ class MaiZoneRefactoredPlugin(BasePlugin):
             "http_fallback_port": ConfigField(type=int, default=9999, description="备用Cookie获取服务的端口"),
             "napcat_token": ConfigField(type=str, default="", description="Napcat服务的认证Token（可选）"),
         },
+        "cross_context": {
+            "user_id": ConfigField(type=str, default="", description="用于获取互通上下文的目标用户QQ号"),
+        },
     }
 
     permission_nodes: list[PermissionNodeField] = [

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

@@ -274,7 +274,7 @@ class ContentService:
                 await asyncio.sleep(2)
         return None
 
-    async def generate_story_from_activity(self, activity: str) -> str:
+    async def generate_story_from_activity(self, activity: str, context: str | None = None) -> str:
         """
         根据当前的日程活动生成一条QQ空间说说。
 
@@ -350,6 +350,9 @@ class ContentService:
             - 鼓励你多描述日常生活相关的生产活动和消遣，展现真实，而不是浮在空中。
             """
 
+            # 如果有上下文，则加入到prompt中
+            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---"
             # 添加历史记录避免重复
             prompt += "\n\n---历史说说记录---\n"
             history_block = await get_send_history(qq_account)

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

@@ -20,6 +20,7 @@ import orjson
 
 from src.common.logger import get_logger
 from src.plugin_system.apis import config_api, person_api
+from src.plugin_system.apis import cross_context_api
 
 from .content_service import ContentService
 from .cookie_service import CookieService
@@ -60,10 +61,32 @@ class QZoneService:
         self.processing_comments = set()
 
     # --- Public Methods (High-Level Business Logic) ---
+    async def _get_cross_context(self) -> str:
+        """获取并构建跨群聊上下文"""
+        context = ""
+        user_id = self.get_config("cross_context.user_id")
+
+        if user_id:
+            logger.info(f"检测到互通组用户ID: {user_id}，准备获取上下文...")
+            try:
+                context = await cross_context_api.build_cross_context_for_user(
+                    user_id=user_id,
+                    platform="QQ",  # 硬编码为QQ
+                    limit_per_stream=10,
+                    stream_limit=3,
+                )
+                if context:
+                    logger.info("成功获取到互通组上下文。")
+                else:
+                    logger.info("未获取到有效的互通组上下文。")
+            except Exception as e:
+                logger.error(f"获取互通组上下文时发生异常: {e}")
+        return context
 
     async def send_feed(self, topic: str, stream_id: str | None) -> dict[str, Any]:
         """发送一条说说"""
-        story = await self.content_service.generate_story(topic, context=None)
+        cross_context = await self._get_cross_context()
+        story = await self.content_service.generate_story(topic, context=cross_context)
         if not story:
             return {"success": False, "message": "生成说说内容失败"}
 
@@ -88,7 +111,8 @@ class QZoneService:
 
     async def send_feed_from_activity(self, activity: str) -> dict[str, Any]:
         """根据日程活动发送一条说说"""
-        story = await self.content_service.generate_story_from_activity(activity)
+        cross_context = await self._get_cross_context()
+        story = await self.content_service.generate_story_from_activity(activity, context=cross_context)
         if not story:
             return {"success": False, "message": "根据活动生成说说内容失败"}