Refactor store dwell alert management API and dwell engine

- Updated argument parsing in manage_api.py to include new threshold parameters.
- Enhanced _config_payload to include thresholds and webhook configurations.
- Modified _build_summary to track queue metrics and adjust alert reporting.
- Refactored DwellEngine to utilize queue thresholds for alerting and reporting.
- Added queue metrics calculations and status change tracking in dwell_engine.py.
- Updated notifier.py to support posting JSON events to webhooks.
- Adjusted example configuration to reflect new threshold parameters.
- Enhanced Docker entrypoint script for better process management.
- Updated tests to cover new queue metrics and thresholds.
- Improved ManagedServiceDetail and ManagedServices Vue components to display queue metrics.

Dockerfile

@@ -1,7 +1,8 @@
 FROM swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/library/golang:1.25.4-alpine AS builder
 
 ENV TZ=Asia/Shanghai \
-    GOPROXY=https://goproxy.cn,direct
+    GOPROXY=https://goproxy.cn,direct \
+    GOSUMDB=sum.golang.google.cn
 
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 RUN apk add --no-cache ca-certificates tzdata