fix: 优化边缘端稳定性和日志管理

1. database.py: 优化数据库连接和错误处理
2. postprocessor.py: 改进后处理逻辑
3. result_reporter.py: 完善告警上报字段
4. video_stream.py: 增强视频流稳定性
5. main.py: 优化启动流程和异常处理
6. logger.py: 改进日志格式和轮转配置

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

config/database.py

@@ -17,6 +17,19 @@ import time
 import logging
 from datetime import datetime, timedelta
 from typing import Any, Dict, List, Optional, Generator
+
+
+def _normalize_coordinates(coords):
+    """将坐标统一为 [[x,y],...] 格式，兼容 [{'x':..,'y':..},...] 格式"""
+    if isinstance(coords, str):
+        try:
+            coords = eval(coords)
+        except:
+            return coords
+    if isinstance(coords, list) and coords and isinstance(coords[0], dict):
+        return [[p.get("x", 0), p.get("y", 0)] for p in coords]
+    return coords
+
 from dataclasses import dataclass, field
 from pathlib import Path
 
@@ -633,7 +646,7 @@ class SQLiteManager:
                           'enabled', 'priority', 'extra_params', 'updated_at']
                 result = dict(zip(columns, row))
                 try:
-                    result['coordinates'] = eval(result['coordinates'])
+                    result['coordinates'] = _normalize_coordinates(result['coordinates'])
                 except:
                     pass
                 return result
@@ -653,7 +666,7 @@ class SQLiteManager:
             for row in cursor.fetchall():
                 r = dict(zip(columns, row))
                 try:
-                    r['coordinates'] = eval(r['coordinates'])
+                    r['coordinates'] = _normalize_coordinates(r['coordinates'])
                 except:
                     pass
                 results.append(r)
@@ -661,7 +674,7 @@ class SQLiteManager:
         except Exception as e:
             logger.error(f"获取ROI配置失败: {e}")
             return []
-    
+
     def get_all_roi_configs(self) -> List[Dict[str, Any]]:
         """获取所有ROI配置"""
         try:
@@ -673,7 +686,7 @@ class SQLiteManager:
             for row in cursor.fetchall():
                 r = dict(zip(columns, row))
                 try:
-                    r['coordinates'] = eval(r['coordinates'])
+                    r['coordinates'] = _normalize_coordinates(r['coordinates'])
                 except:
                     pass
                 results.append(r)
@@ -856,7 +869,7 @@ class SQLiteManager:
                     if result.get('params'):
                         result['params'] = json.loads(result['params'])
                     if result.get('coordinates'):
-                        result['coordinates'] = eval(result['coordinates'])
+                        result['coordinates'] = _normalize_coordinates(result['coordinates'])
                 except:
                     pass
                 results.append(result)