How I Built a Real-Time Monitoring Dashboard for OpenClaw Agents

The Stack Behind the Monitor When I decided to build a monitoring dashboard for OpenClaw, I had a few constraints: Runs on the same $10 VPS as my agents No external dependencies or cloud services Updates in real-time without polling Architecture Frontend : Vue 3 + Element Plus + Apache ECharts Reactive components for real-time data Charts render smoothly even on low-end devices Dark theme by default (because of course) Backend : Express.js + better-sqlite3 SQLite for zero-config persistence Serv