feat: 企微菜单新增 AI 分析开关 + 白名单控制

- 新增 ai_whitelist 配置项，仅白名单用户可操作 AI 开关
- 新增 app/services/ai_state.py 运行时开关模块
- 系统管理菜单新增「AI 分析」按钮 (toggle_ai)
- 监控配置、系统状态显示 AI 状态和 AI 标记统计
- pipeline 改用运行时开关 is_ai_enabled()

app/config.py

@@ -41,6 +41,7 @@ class Settings(BaseSettings):
 
     # AI 分析 (DeepSeek)
     ai_enabled: bool = False
+    ai_whitelist: str = ""
     ai_api_key: str = ""
     ai_base_url: str = "https://api.deepseek.com/v1"
     ai_model: str = "deepseek-chat"

app/services/ai_state.py

@@ -0,0 +1,51 @@
+"""AI 运行时状态 — 支持企微菜单动态开关"""
+
+import logging
+
+from app.config import settings
+
+logger = logging.getLogger(__name__)
+
+# 运行时覆盖值，None 表示使用 settings.ai_enabled
+_runtime_override: bool | None = None
+
+
+def is_ai_enabled() -> bool:
+    """获取 AI 分析当前是否启用（考虑运行时覆盖）"""
+    if _runtime_override is not None:
+        return _runtime_override
+    return settings.ai_enabled
+
+
+def set_ai_enabled(enabled: bool) -> bool:
+    """设置 AI 分析运行时开关，返回是否真的发生了变化"""
+    global _runtime_override
+    current = is_ai_enabled()
+    if enabled == current:
+        return False
+    _runtime_override = enabled
+    status = "启用" if enabled else "禁用"
+    logger.info("AI 分析已通过企微菜单%s", status)
+    return True
+
+
+def get_ai_status_text() -> str:
+    """获取 AI 状态文本"""
+    return "已启用" if is_ai_enabled() else "已禁用"
+
+
+def get_whitelist() -> list[str]:
+    """获取 AI 白名单用户列表"""
+    raw = settings.ai_whitelist
+    if not raw:
+        return []
+    return [u.strip() for u in raw.split(",") if u.strip()]
+
+
+def is_whitelisted(user_id: str) -> bool:
+    """检查用户是否在 AI 白名单中"""
+    whitelist = get_whitelist()
+    if not whitelist:
+        # 白名单为空则所有人都可以操作
+        return True
+    return user_id in whitelist

app/services/pipeline.py

@@ -3,6 +3,7 @@ from typing import Any
 
 from app.config import settings
 from app.crawler.base import PipelineConfig, PipelineResult
+from app.services.ai_state import is_ai_enabled
 from app.services.filter_service import dedup_by_hash
 
 logger = logging.getLogger(__name__)
@@ -45,8 +46,8 @@ class PostCrawlPipeline:
         if to_notify:
             to_notify = await self._exclude_sent(to_notify)
 
-        # 5.5 AI 分析（可选）
-        if settings.ai_enabled and to_notify:
+        # 5.5 AI 分析（可选，支持运行时开关）
+        if is_ai_enabled() and to_notify:
             await self._ai_analyze(to_notify)
 
         # 6. Notify

app/wechat/handler.py

@@ -87,6 +87,8 @@ class WeChatMessageHandler:
             return await self._handle_pause_scheduler(from_user)
         elif event_key == "resume_scheduler":
             return await self._handle_resume_scheduler(from_user)
+        elif event_key == "toggle_ai":
+            return await self._handle_toggle_ai(from_user)
         return None
 
     async def handle_text(self, content: str, from_user: str) -> str | None:
@@ -170,15 +172,22 @@ class WeChatMessageHandler:
 
     async def _handle_monitor_config(self, from_user: str) -> str | None:
         import json
+        from app.services.ai_state import get_ai_status_text
         try:
             keywords = settings.crawler_keywords
             sources = json.loads(settings.announcement_sources)
             source_names = "、".join(v["name"] for v in sources.values())
             text = (
+                f"📋 监控配置\n"
+                f"---\n"
                 f"监控关键词: {', '.join(keywords)}\n"
                 f"爬取页数: {settings.crawler_max_pages} 页\n"
                 f"定时规则: {settings.scheduler_cron}\n"
-                f"公告来源: {source_names}"
+                f"公告来源: {source_names}\n"
+                f"---\n"
+                f"🤖 AI 分析: {get_ai_status_text()}\n"
+                f"AI 模型: {settings.ai_model}\n"
+                f"重点标记: {settings.ai_analysis_title}"
             )
             await self.client.send_text(text, from_user)
         except Exception as e:
@@ -189,6 +198,7 @@ class WeChatMessageHandler:
         from app.api.deps import get_db
         from sqlalchemy import func, select
         from app.models.announcement import Announcement
+        from app.services.ai_state import get_ai_status_text
 
         try:
             async for db in get_db():
@@ -212,13 +222,27 @@ class WeChatMessageHandler:
                 )
                 unsent = unsent_result.scalar() or 0
 
+                # AI 标记统计
+                ai_relevant_result = await db.execute(
+                    select(func.count()).where(
+                        Announcement.ai_relevant == True,  # noqa: E712
+                    ).select_from(Announcement)
+                )
+                ai_relevant = ai_relevant_result.scalar() or 0
+
                 scheduler_status = "已启用" if settings.scheduler_enabled else "已禁用"
                 text = (
+                    f"📊 系统状态\n"
+                    f"---\n"
                     f"累计公告: {total} 条\n"
                     f"今日新增: {today} 条\n"
                     f"待推送: {unsent} 条\n"
+                    f"---\n"
                     f"定时任务: {scheduler_status}\n"
-                    f"定时规则: {settings.scheduler_cron}"
+                    f"定时规则: {settings.scheduler_cron}\n"
+                    f"---\n"
+                    f"🤖 AI 分析: {get_ai_status_text()}\n"
+                    f"AI 标记项目: {ai_relevant} 条"
                 )
                 await self.client.send_text(text, from_user)
         except Exception as e:
@@ -304,6 +328,40 @@ class WeChatMessageHandler:
             logger.error(f"暂停定时任务失败: {e}")
             await self.client.send_text(f"操作失败: {e}", from_user)
 
+    async def _handle_toggle_ai(self, from_user: str) -> str | None:
+        from app.services.ai_state import (
+            get_ai_status_text,
+            get_whitelist,
+            is_ai_enabled,
+            is_whitelisted,
+            set_ai_enabled,
+        )
+
+        # 白名单校验
+        whitelist = get_whitelist()
+        if whitelist and not is_whitelisted(from_user):
+            await self.client.send_text(
+                f"⚠️ 你没有权限操作 AI 分析开关\n"
+                f"当前仅以下用户可操作：\n{', '.join(whitelist)}",
+                from_user,
+            )
+            return None
+
+        current = is_ai_enabled()
+        changed = set_ai_enabled(not current)
+        if not changed:
+            await self.client.send_text(
+                f"AI 分析当前已是「{get_ai_status_text()}」状态，无需切换",
+                from_user,
+            )
+            return None
+
+        await self.client.send_text(
+            f"✅ AI 分析已切换为「{get_ai_status_text()}」\n"
+            f"下次爬取触发时生效",
+            from_user,
+        )
+
     async def _handle_resume_scheduler(self, from_user: str) -> str | None:
         try:
             from app.scheduler.jobs import scheduler

app/wechat/menu.py

@@ -46,6 +46,11 @@ MENU = {
                     "type": "click",
                     "key": "sync_holidays",
                 },
+                {
+                    "name": "AI 分析",
+                    "type": "click",
+                    "key": "toggle_ai",
+                },
             ],
         },
     ]