- implement getSystemInfo to gather CPU and memory usage
- add platform-specific implementations for memory and CPU usage
- enhance OpenAPI documentation to include system resource metrics
Include the process PID in the API info payload and surface it in the frontend. apiHandler now adds app.Info["pid"] = os.Getpid(); openapi.yaml documents the new pid property as an integer with an example; www/index.html is updated to show pid alongside version and config. This aids debugging and identifying the running process.