feat(hpe): improve inventory extraction and export fidelity

internal/server/device_repository.go

@@ -81,7 +81,7 @@ func BuildHardwareDevices(hw *models.HardwareConfig) []models.HardwareDevice {
 	}
 
 	for _, mem := range hw.Memory {
-		if !mem.Present || mem.SizeMB == 0 {
+		if !mem.IsInstalledInventory() {
 			continue
 		}
 		present := mem.Present

internal/server/device_repository_test.go

@@ -90,6 +90,63 @@ func TestBuildHardwareDevices_MemorySameSerialDifferentSlots_NotDeduped(t *testi
 	}
 }
 
+func TestBuildHardwareDevices_ZeroSizeMemoryWithInventoryIsIncluded(t *testing.T) {
+	hw := &models.HardwareConfig{
+		Memory: []models.MemoryDIMM{
+			{
+				Slot:         "PROC 1 DIMM 3",
+				Location:     "PROC 1 DIMM 3",
+				Present:      true,
+				SizeMB:       0,
+				Manufacturer: "Hynix",
+				SerialNumber: "2B5F92C6",
+				PartNumber:   "HMCG88AEBRA115N",
+				Status:       "ok",
+			},
+		},
+	}
+
+	devices := BuildHardwareDevices(hw)
+	memoryCount := 0
+	for _, d := range devices {
+		if d.Kind != models.DeviceKindMemory {
+			continue
+		}
+		memoryCount++
+		if d.Slot != "PROC 1 DIMM 3" || d.PartNumber != "HMCG88AEBRA115N" || d.SerialNumber != "2B5F92C6" {
+			t.Fatalf("unexpected memory device: %+v", d)
+		}
+	}
+	if memoryCount != 1 {
+		t.Fatalf("expected 1 installed zero-size memory record, got %d", memoryCount)
+	}
+}
+
+func TestBuildSpecification_ZeroSizeMemoryWithInventoryIsShown(t *testing.T) {
+	hw := &models.HardwareConfig{
+		Memory: []models.MemoryDIMM{
+			{
+				Slot:         "PROC 1 DIMM 3",
+				Present:      true,
+				SizeMB:       0,
+				Manufacturer: "Hynix",
+				PartNumber:   "HMCG88AEBRA115N",
+				SerialNumber: "2B5F92C6",
+				Status:       "ok",
+			},
+		},
+	}
+
+	spec := buildSpecification(hw)
+	for _, line := range spec {
+		if line.Category == "Память" && line.Name == "Hynix HMCG88AEBRA115N (size unknown)" && line.Quantity == 1 {
+			return
+		}
+	}
+
+	t.Fatalf("expected memory spec line for zero-size identified DIMM, got %+v", spec)
+}
+
 func TestBuildHardwareDevices_DuplicateSerials_AreAnnotated(t *testing.T) {
 	hw := &models.HardwareConfig{
 		Memory: []models.MemoryDIMM{

internal/server/handlers.go

@@ -530,11 +530,21 @@ func buildSpecification(hw *models.HardwareConfig) []SpecLine {
 			continue
 		}
 		present := mem.Present != nil && *mem.Present
-		// Skip empty slots (not present or 0 size)
-		if !present || mem.SizeMB == 0 {
+		if !present {
 			continue
 		}
-		// Include frequency if available
+
+		if mem.SizeMB == 0 {
+			name := strings.TrimSpace(strings.Join(nonEmptyStrings(mem.Manufacturer, mem.PartNumber, mem.Type), " "))
+			if name == "" {
+				name = "Installed DIMM (size unknown)"
+			} else {
+				name += " (size unknown)"
+			}
+			memGroups[name]++
+			continue
+		}
+
 		key := ""
 		currentSpeed := intFromDetails(mem.Details, "current_speed_mhz")
 		if currentSpeed > 0 {
@@ -626,6 +636,18 @@ func buildSpecification(hw *models.HardwareConfig) []SpecLine {
 	return spec
 }
 
+func nonEmptyStrings(values ...string) []string {
+	out := make([]string, 0, len(values))
+	for _, value := range values {
+		value = strings.TrimSpace(value)
+		if value == "" {
+			continue
+		}
+		out = append(out, value)
+	}
+	return out
+}
+
 func (s *Server) handleGetSerials(w http.ResponseWriter, r *http.Request) {
 	result := s.GetResult()
 	if result == nil {