feat(engine): podman native — auto-detect runtime (docker→podman), compose mengikuti engine, doctor engine-agnostic

e2e/e2e_test.go

@@ -266,7 +266,7 @@ func TestDoctorCommand(t *testing.T) {
 		t.Fatalf("exit code %d, mau 0/1.\n%s", code, out)
 	}
 	s := string(out)
-	for _, want := range []string{"docker", "audio", "go", "compose", "stacks"} {
+	for _, want := range []string{"engine", "audio", "go", "compose", "stacks"} {
 		if !strings.Contains(s, want) {
 			t.Fatalf("output doctor tidak memuat %q:\n%s", want, s)
 		}