- Go agent: CPU/mem/disk/port collectors, HTTP report, static binary - Cross-compile: linux/amd64 + linux/arm64 (statically linked) - One-line install script for all Linux distros - Backend: POST /api/v1/agent/report (no JWT) + GET /agent/latest,history (JWT) - CloudBilling.tsx: fixed syntax errors, stats/trends/records/alerts - K8s menu renamed to Kubernetes管理 Signed-off-by: Logan.Li