fix: update systemd service config and edge.yaml with runtime settings

- Add LD_LIBRARY_PATH and proper env vars to edge-agent.service
- Add device UUID and RTSP URL to edge.yaml
- Update infer_fps (5->2) and conf_threshold (0.5->0.2)
- Add journal logging configuration

config/edge.yaml

@@ -1,21 +1,16 @@
+device_uuid: 8541db9f77826e39605ef2c032f8fb93
 edge_id: edge-demo-001
 cloud_url: http://101.36.73.102:8004
-mqtt_broker: "tcp://101.36.73.102:1883"
+mqtt_broker: tcp://101.36.73.102:1883
 mqtt_user: ""
 mqtt_pass: ""
 edge_token: ""
-
-# 视频流配置
-rtsp_urls: []
-
-# 推理配置
+rtsp_urls:
+    - http://101.36.73.102:8080/rtp/34020000002000000003_34020000001310000001.live.flv
 infer_socket: /tmp/edge-infer.sock
-infer_fps: 5
+infer_fps: 2
 infer_workers: 3
-conf_threshold: 0.5
+conf_threshold: 0.2
 dedup_window_sec: 30
-
-# OTA 配置 (可选: Hawkbit URL 或 Nginx URL)
 ota_url: http://101.36.73.102:8087
-
-version: 1.0.0
+version: 1.0.0