chore: grpc + mtls working

backend/internal/grpcsrv/commander/commander.go

@@ -17,6 +17,12 @@ type Commander struct {
 	agents map[string]Agent
 }
 
+func New() *Commander {
+	return &Commander{
+		agents: make(map[string]Agent),
+	}
+}
+
 type Agent struct {
 	bidi   grpc.BidiStreamingServer[proto.FinishedCommand, proto.Command]
 	in     chan *proto.Command