fix: UI and backend fixes

- Add orange highlighting for recently booted containers (< 1 hour)
- Handle cpulimit causing JSON unmarshaling error with FlexInt type
- Improve PVE 9 compatibility in temporary helper script
- Fixes issues #251 and #256

frontend-modern/src/components/Dashboard/GuestRow.tsx

@@ -112,7 +112,9 @@ export function GuestRow(props: GuestRowProps) {
       </Show>
 
       {/* Uptime */}
-      <td class="p-1 px-2 text-sm text-gray-600 dark:text-gray-400 whitespace-nowrap">
+      <td class={`p-1 px-2 text-sm whitespace-nowrap ${
+        props.guest.uptime < 3600 ? 'text-orange-500' : 'text-gray-600 dark:text-gray-400'
+      }`}>
         <Show when={isRunning()} fallback="-">
           {formatUptime(props.guest.uptime)}
         </Show>

internal/monitoring/monitor.go

@@ -931,7 +931,7 @@ func (m *Monitor) pollContainers(ctx context.Context, instanceName string, clien
 				Status:   ct.Status,
 				Type:     "lxc",
 				CPU:      safeFloat(ct.CPU), // Already in percentage
-				CPUs:     ct.CPUs,
+				CPUs:     int(ct.CPUs),
 				Memory: models.Memory{
 					Total: int64(ct.MaxMem),
 					Used:  int64(ct.Mem),

pkg/proxmox/client.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"net/http"
 	"net/url"
+	"strconv"
 	"strings"
 	"time"
 
@@ -14,6 +15,34 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
+// FlexInt handles JSON fields that can be either int or string
+type FlexInt int
+
+func (f *FlexInt) UnmarshalJSON(data []byte) error {
+	// Try to unmarshal as int first
+	var i int
+	if err := json.Unmarshal(data, &i); err == nil {
+		*f = FlexInt(i)
+		return nil
+	}
+	
+	// If that fails, try as string
+	var s string
+	if err := json.Unmarshal(data, &s); err != nil {
+		return err
+	}
+	
+	// Parse string to float first (handles "1.5" format from cpulimit)
+	floatVal, err := strconv.ParseFloat(s, 64)
+	if err != nil {
+		return err
+	}
+	
+	// Convert to int
+	*f = FlexInt(int(floatVal))
+	return nil
+}
+
 // Client represents a Proxmox VE API client
 type Client struct {
 	baseURL    string
@@ -346,7 +375,7 @@ type Container struct {
 	Node       string  `json:"node"`
 	Status     string  `json:"status"`
 	CPU        float64 `json:"cpu"`
-	CPUs       int     `json:"cpus"`
+	CPUs       FlexInt `json:"cpus"`
 	Mem        uint64  `json:"mem"`
 	MaxMem     uint64  `json:"maxmem"`
 	Swap       uint64  `json:"swap"`