local helper = jarvis.context.command_path .. "\\_sysinfo.ps1"
local cmd = string.format('powershell -NoProfile -ExecutionPolicy Bypass -File "%s" -Topic battery', helper)
local res = jarvis.system.exec(cmd)
local text = (res.stdout or ""):gsub("[\r\n]+$", "")
if not res.success or text == "" then
    jarvis.log("error", "battery info failed: " .. tostring(res.stderr))
    return jarvis.cmd.error("Не получилось узнать заряд.")
end
jarvis.system.notify("Батарея", text)
jarvis.log("info", text)
return jarvis.cmd.ok(text)