feat(hpe): improve inventory extraction and export fidelity

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 {