feat: add standalone server topology view

internal/server/device_repository_test.go

@@ -9,6 +9,8 @@ import (
 	"git.mchus.pro/mchus/logpile/internal/models"
 )
 
+func intPtr(v int) *int { return &v }
+
 func TestBuildHardwareDevices_DedupSerialThenBDF(t *testing.T) {
 	hw := &models.HardwareConfig{
 		PCIeDevices: []models.PCIeDevice{
@@ -138,7 +140,7 @@ func TestBuildHardwareDevices_NetworkAdapterPreservesPCIeMetadata(t *testing.T)
 				MACAddresses: []string{"44:1A:4C:16:E8:03", "44:1A:4C:16:E8:04"},
 				LinkWidth:    16,
 				LinkSpeed:    "32 GT/s",
-				NUMANode:     1,
+				NUMANode:     intPtr(1),
 				Status:       "ok",
 			},
 		},
@@ -149,7 +151,7 @@ func TestBuildHardwareDevices_NetworkAdapterPreservesPCIeMetadata(t *testing.T)
 		if d.Kind != models.DeviceKindNetwork {
 			continue
 		}
-		if d.BDF != "0000:27:00.0" || d.LinkWidth != 16 || d.LinkSpeed != "32 GT/s" || d.NUMANode != 1 {
+		if d.BDF != "0000:27:00.0" || d.LinkWidth != 16 || d.LinkSpeed != "32 GT/s" || d.NUMANode == nil || *d.NUMANode != 1 {
 			t.Fatalf("expected network PCIe metadata to be preserved, got %+v", d)
 		}
 		return