refactor: 优化配置管理和异常处理

- 添加YAML配置文件支持
- 改进camera_manager异常处理
- 添加类型提示和URL验证
- 完善依赖注入支持测试
- 新增健康检查API端点

config.yaml

@@ -0,0 +1,47 @@
+# 多摄像头监控系统配置文件
+
+# 基础配置
+app:
+  host: "0.0.0.0"
+  port: 5000
+  debug: false
+
+# 摄像头服务配置
+camera:
+  base_url: "http://localhost:8080"
+  camera_path: "/adaops/blank-layout/camera-view"
+
+# 摄像头列表配置
+cameras:
+  - id: 1
+    room: "cnfzhjyg-igv-251"
+    camera: "mixed"
+    name: "1号车"
+    # url会自动生成: {camera_url}?room={room}&camera={camera}
+  - id: 2
+    room: "cnfzhjyg-igv-2"
+    camera: "mixed"
+    name: "2号车"
+  - id: 3
+    room: "cnfzhjyg-igv-3"
+    camera: "mixed"
+    name: "3号车"
+  - id: 4
+    room: "cnfzhjyg-igv-5"
+    camera: "mixed"
+    name: "5号车"
+  - id: 5
+    room: "cnfzhjyg-igv-6"
+    camera: "mixed"
+    name: "6号车"
+  - id: 6
+    room: "cnfzhjyg-igv-7"
+    camera: "mixed"
+    name: "7号车"
+
+# 日志配置
+logging:
+  level: "INFO"
+  file: "logs/multi_camera.log"
+  max_bytes: 10485760
+  backup_count: 10