fix: enhance tag update validation and processing for improved reliability

extensions/Servers/Proxmox/Http/Controllers/ServerTagController.php

@@ -69,31 +69,35 @@ class ServerTagController
      */
     public function update(Request $request, $serverId)
     {
-        $request->validate([
-            'tags' => 'nullable|array|max:3',
-            'tags.*.text' => 'required|string|max:32|regex:/^[a-zA-Z0-9_-]+$/',
-            'tags.*.color' => 'nullable|string|max:16',
-        ]);
-
         $server = Server::where('id', $serverId)
             ->where('user_id', Auth::id())
             ->firstOrFail();
 
         $tags = $request->input('tags', []);
         
+        // Ensure tags is an array
+        if (!is_array($tags)) {
+            $tags = [];
+        }
+        
         // Limit to 3 tags
         $tags = array_slice($tags, 0, 3);
         
         // Process tags and auto-generate colors if not provided
         $processedTags = [];
         foreach ($tags as $tag) {
-            $text = trim($tag['text']);
+            if (!is_array($tag) || !isset($tag['text'])) continue;
+            
+            $text = trim($tag['text'] ?? '');
             if (empty($text)) continue;
             
             // Convert to lowercase and sanitize (Proxmox requires this)
             $text = strtolower(preg_replace('/[^a-zA-Z0-9_-]/', '', $text));
             if (empty($text)) continue;
             
+            // Limit tag length to 32 chars
+            $text = substr($text, 0, 32);
+            
             $processedTags[] = [
                 'text' => $text,
                 'color' => $tag['color'] ?? self::generateTagColor($text),