refactor: 移除企微Webhook机器人代码，修复VLM日志

- 删除 wechat_service.send_webhook_alarm 方法
- 删除 config.py 中 webhook_url 配置
- 简化 notify_dispatch 通知逻辑（仅保留应用消息）
- 修复 vlm_service 使用项目统一 logger
- 添加 VLM 调用 URL 调试日志

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/config.py

@@ -62,7 +62,6 @@ class WeChatConfig:
     enabled: bool = False
     test_uids: str = ""        # 演示模式：逗号分隔的企微userid，如 "zhangsan,lisi"
     service_base_url: str = "" # H5页面公网地址，如 https://vsp.viewshanghai.com
-    webhook_url: str = ""      # 群机器人Webhook地址
 
 
 @dataclass
@@ -171,7 +170,6 @@ def load_settings() -> Settings:
             enabled=os.getenv("WECHAT_ENABLED", "false").lower() == "true",
             test_uids=os.getenv("WECHAT_TEST_UIDS", ""),
             service_base_url=os.getenv("SERVICE_BASE_URL", ""),
-            webhook_url=os.getenv("WECHAT_WEBHOOK_URL", ""),
         ),
         agent=AgentConfig(
             llm_api_key=os.getenv("DASHSCOPE_API_KEY", ""),

app/services/notify_dispatch.py

@@ -97,26 +97,8 @@ async def process_alarm_notification(alarm_data: Dict):
             event_time.strftime("%Y-%m-%d %H:%M:%S")
             if isinstance(event_time, datetime) else str(event_time or "")
         )
-        detail_url = f"{service_base_url}/static/alarm_detail.html?alarm_id={alarm_id}"
 
-        sent = False
-
-        # 优先 Webhook（无需IP白名单）
-        if settings.wechat.webhook_url:
-            sent = await wechat_service.send_webhook_alarm(
-                webhook_url=settings.wechat.webhook_url,
-                alarm_id=alarm_id,
-                alarm_type=alarm_type,
-                area_name=area_name,
-                camera_name=camera_name,
-                description=description,
-                event_time=event_time_str,
-                alarm_level=alarm_level,
-                detail_url=detail_url,
-            )
-
-        # Webhook 未配置或失败时，降级到应用消息
-        if not sent and wechat_service.enabled:
+        if wechat_service.enabled:
             user_ids = [p["wechat_uid"] for p in persons]
             sent = await wechat_service.send_alarm_card(
                 user_ids=user_ids,
@@ -130,11 +112,12 @@ async def process_alarm_notification(alarm_data: Dict):
                 alarm_level=alarm_level,
                 service_base_url=service_base_url,
             )
-
-        if not sent:
-            logger.warning(f"告警通知未发送: {alarm_id}, webhook和应用消息均未成功")
+            if sent:
+                logger.info(f"告警通知完成: {alarm_id}")
+            else:
+                logger.warning(f"告警通知发送失败: {alarm_id}")
         else:
-            logger.info(f"告警通知完成: {alarm_id}")
+            logger.info(f"企微未启用，跳过通知: {alarm_id}")
 
     except Exception as e:
         logger.error(f"告警通知处理失败: {alarm_id}, error={e}", exc_info=True)

app/services/vlm_service.py

@@ -7,12 +7,11 @@ VLM 视觉语言模型复核服务
 
 import asyncio
 import json
-import logging
 from typing import Optional, Dict
 
 from openai import AsyncOpenAI
 
-logger = logging.getLogger(__name__)
+from app.utils.logger import logger
 
 # 算法类型 → VLM Prompt 模板
 VLM_PROMPTS = {
@@ -110,6 +109,7 @@ class VLMService:
         )
 
         try:
+            logger.info(f"VLM 复核开始: type={alarm_type}, url={snapshot_url[:80]}...")
             resp = await asyncio.wait_for(
                 self._client.chat.completions.create(
                     model=self._model,

app/services/wechat_service.py

@@ -176,51 +176,6 @@ class WeChatService:
             logger.error(f"发送文本消息异常: {e}")
             return False
 
-    async def send_webhook_alarm(
-        self,
-        webhook_url: str,
-        alarm_id: str,
-        alarm_type: str,
-        area_name: str,
-        camera_name: str,
-        description: str,
-        event_time: str,
-        alarm_level: int = 2,
-        detail_url: str = "",
-    ) -> bool:
-        """通过群机器人 Webhook 发送告警通知（无需IP白名单）"""
-        type_names = {"leave_post": "人员离岗", "intrusion": "周界入侵"}
-        level_names = {1: "提醒", 2: "一般", 3: "严重", 4: "紧急"}
-
-        type_name = type_names.get(alarm_type, alarm_type)
-        level_name = level_names.get(alarm_level, "一般")
-
-        content = (
-            f"## 【{level_name}】{type_name}告警\n"
-            f"> 区域：<font color=\"warning\">{area_name}</font>\n"
-            f"> 摄像头：{camera_name}\n"
-            f"> 时间：{event_time}\n"
-            f"> AI描述：**{description}**\n"
-        )
-        if detail_url:
-            content += f"> [查看详情]({detail_url})\n"
-
-        msg = {"msgtype": "markdown", "markdown": {"content": content}}
-
-        try:
-            async with httpx.AsyncClient(timeout=10) as client:
-                resp = await client.post(webhook_url, json=msg)
-                data = resp.json()
-            if data.get("errcode") != 0:
-                logger.error(f"Webhook发送失败: {data}")
-                return False
-            logger.info(f"Webhook告警已发送: alarm={alarm_id}")
-            return True
-        except Exception as e:
-            logger.error(f"Webhook发送异常: {e}")
-            return False
-
-
 # 全局单例
 _wechat_service: Optional[WeChatService] = None