重构：移除Robot中的业务任务实现，统一下沉到插件层

- 删除 Robot 内历史业务方法：新闻/Epic/PDF/秀人下载/排行推送等实现\n- 删除仅服务上述业务方法的群发辅助函数，避免平台层承载业务逻辑\n- 清理对应无用 import 依赖（News、Epic、Sehuatang、Xiuren 业务模块等）\n- 保留系统刚需任务方法（登录巡检、消息计数入库）不变，保持系统层职责单一

robot.py

@@ -1,18 +1,14 @@
 # -*- coding: utf-8 -*-
 import asyncio
-import base64
 import threading
 import time
 import tomllib
 from collections import deque
 
-import requests
 import toml
 from loguru import logger
 
 import wechat_ipad
-from base.func_epic import is_friday, get_free
-from base.func_news import News
 from base.plugin_common.event_system import EventType, EventSystem
 from base.plugin_common.message_plugin_interface import MessagePluginInterface
 from base.plugin_common.plugin_interface import PluginStatus
@@ -23,20 +19,15 @@ from db.connection import DBConnectionManager
 from db.contacts_db import ContactsDBOperator
 from db.plugin_schedule_db import PluginScheduleDBOperator
 from db.system_job_db import SystemJobDBOperator
-from plugins.xiuren_image.meitu_dl import meitu_dowload_pub_pic
-from plugins.xiuren_image.shenshi_r15 import run_daily_job
 from utils.system_jobs import SystemJobLoader
 from utils.email_util import EmailSender
 from utils.plugin_schedule_manager import PluginScheduleManager
 from utils.revoke.message_auto_revoke import MessageAutoRevoke
 from utils.robot_cmd.robot_command import GroupBotManager, Feature, PermissionStatus
-from utils.sehuatang.shehuatang import pdf_file_path
-from utils.sehuatang.shehuatang_undetected import pdf_file_path_undetected
 from utils.wechat.contact_manager import ContactManager
 from utils.wechat.member_monitor import ChatroomMemberMonitor
 from utils.wechat.message_to_db import MessageStorage
 from wechat_ipad import WechatAPIClient
-from wechat_ipad.models.appmsg_xml import LINK_XML_NEWS
 from wechat_ipad.models.message import WxMessage, MessageType
 
 # 定义全局信号量，限制最大并发 10
@@ -543,61 +534,6 @@ class Robot:
         while True:
             time.sleep(1)
 
-    async def send_group_txt_message(self, msg: str, feature: Feature):
-        """向所有启用了特定功能的群发送文本消息"""
-        try:
-            receivers = self.gbm.get_group_list()
-            if not receivers:
-                return
-            for r in receivers:
-                if self.gbm.get_group_permission(r, feature) == PermissionStatus.ENABLED:
-                    await self.ipad_bot.send_text_message(r, msg)
-        except Exception as e:
-            self.LOG.error(f"send_group_txt_message:{feature.description} error：{e}")
-
-    async def send_group_image_message(self, msg: str, feature: Feature):
-        """向所有启用了特定功能的群发送文本消息"""
-        try:
-            receivers = self.gbm.get_group_list()
-            if not receivers:
-                return
-
-            resp = requests.get(msg, timeout=10)
-            resp.raise_for_status()
-
-            base64_str = base64.b64encode(resp.content).decode("utf-8")
-
-            for r in receivers:
-                if self.gbm.get_group_permission(r, feature) == PermissionStatus.ENABLED:
-                    await self.ipad_bot.send_image_message(r, base64_str)
-        except Exception as e:
-            self.LOG.error(f"send_group_image_message:{feature.description} error：{e}")
-
-    async def send_group_xml_message(self, msg: str, feature: Feature):
-        """向所有启用了特定功能的群发送文本消息"""
-        try:
-            receivers = self.gbm.get_group_list()
-            if not receivers:
-                return
-
-            for r in receivers:
-                if self.gbm.get_group_permission(r, feature) == PermissionStatus.ENABLED:
-                    await self.ipad_bot.send_link_xml_message(msg, r)
-        except Exception as e:
-            self.LOG.error(f"send_group_xml_message:{feature.description} error：{e}")
-
-    async def send_group_file_message(self, path: str, feature: Feature):
-        try:
-            receivers = self.gbm.get_group_list()
-            if not receivers:
-                return
-            for r in receivers:
-                if self.gbm.get_group_permission(r, feature) == PermissionStatus.ENABLED:
-                    await self.ipad_bot.send_at_message(r, "98堂 PDF已就绪，请手动发送", ["Jyunere"])
-                    # await self.ipad_bot.send_image_message(r, path)
-        except Exception as e:
-            self.LOG.error(f"send_group_file_message:{feature.description} error：{e}")
-
     async def process_plugin_message(self, msg) -> bool:
         """使用插件处理消息"""
         # 获取所有消息处理插件
@@ -794,83 +730,10 @@ class Robot:
         except Exception as e:
             self.LOG.error(f"login_twice_auto_auth error: {e}")
 
-    # ============================================== 业务内容==========================================================
-
-    async def news_baidu_report_auto(self) -> None:
-        try:
-            news = News().get_baidu_news()
-            await self.send_group_txt_message(news, Feature.DAILY_NEWS)
-            path = News().get_news_60s()
-            await self.send_group_image_message(path, Feature.DAILY_NEWS)
-
-            await self.send_group_xml_message(LINK_XML_NEWS, Feature.DAILY_NEWS)
-        except Exception as e:
-            self.LOG.error(f"newsBaiduReportAuto error：{e}")
-
-    async def news_en_report(self, website, sender: str = None) -> None:
-        try:
-            news = News().get_eng_news(website)
-            await self.ipad_bot.send_text_message(sender, news)
-        except Exception as e:
-            self.LOG.error(f"newsEnReport error：{e}")
-
-        # 使用装饰器标记定时任务 星期五 10:30 执行
-
-    async def send_epic_free_games(self):
-        try:
-            if is_friday():
-                games = get_free()
-                await self.send_group_txt_message(games, Feature.EPIC)
-        except Exception as e:
-            self.LOG.error(f"sendEpicFreeGames error：{e}")
-
-        # 使用装饰器标记定时任务
+    # ============================================== 系统级任务（刚需）==========================================================
 
     async def message_count_to_db(self):
         try:
             self.message_storage.write_to_db()
         except Exception as e:
             self.LOG.error(f"write_to_db error：{e}")
-
-    async def generate_sehuatang_pdf(self):
-        try:
-            self.LOG.info("开始生成PDF,generate_sehuatang_pdf")
-            tag, path = pdf_file_path_undetected()
-            if not tag:
-                tag, path = pdf_file_path()
-            # 暂时只发4K群
-            await self.send_group_file_message(path, Feature.PDF_CAPABILITY)
-        except Exception as e:
-            self.LOG.error(f"generateSehuatangPdf error：{e}")
-
-    async def xiu_ren_download_task(self):
-        try:
-            # 每天下载10组图，然后发一个帖子PDF
-            meitu_dowload_pub_pic()
-        except Exception as e:
-            self.LOG.error(f"xiu_ren_download_task error：{e}")
-
-    async def shen_shi_download_task(self):
-        try:
-            # 每天下载10组图，然后发一个帖子PDF
-            run_daily_job()
-        except Exception as e:
-            self.LOG.error(f"shen_shi_download_task error：{e}")
-
-    async def generate_and_send_ranking(self):
-        try:
-            receivers = self.gbm.get_group_list()
-            if not receivers:
-                return
-
-            for r in receivers:
-                if self.gbm.get_group_permission(r, Feature.DAILY_SUMMARY) == PermissionStatus.ENABLED:
-                    tag, output = await self.message_storage.generate_and_send_ranking(r, self.allContacts)
-                    if tag:
-                        await self.ipad_bot.send_text_message(r, output)
-        except Exception as e:
-            self.LOG.error(f"SendRanking error：{e}")
-
-    async def send_ranking_task(self):
-        result = await self.ipad_bot.get_chatroom_nickname("Jyunere", "43687793133@chatroom")
-        self.LOG.info(f"send_ranking_task：{result}")