fix: deduplicate SSH keys on LXC/VM create; filter qemu templates in wizard

backend/app/api/proxmox/vms.py

@@ -2358,6 +2358,15 @@ async def create_lxc_container(
                 combined_ssh_keys = f"{combined_ssh_keys}\n{current_user.ssh_public_key}"
             else:
                 combined_ssh_keys = current_user.ssh_public_key
+        # Deduplicate SSH keys while preserving order
+        _seen_ssh: set = set()
+        _uniq_ssh = []
+        for _k in combined_ssh_keys.splitlines():
+            _k = _k.strip()
+            if _k and _k not in _seen_ssh:
+                _seen_ssh.add(_k)
+                _uniq_ssh.append(_k)
+        combined_ssh_keys = "\n".join(_uniq_ssh)
         
         upid = client.create_lxc_container(
             node=node,
@@ -2492,6 +2501,15 @@ async def create_lxc_container_smart(
                 combined_ssh_keys = f"{combined_ssh_keys}\n{current_user.ssh_public_key}"
             else:
                 combined_ssh_keys = current_user.ssh_public_key
+        # Deduplicate SSH keys while preserving order
+        _seen_ssh: set = set()
+        _uniq_ssh = []
+        for _k in combined_ssh_keys.splitlines():
+            _k = _k.strip()
+            if _k and _k not in _seen_ssh:
+                _seen_ssh.add(_k)
+                _uniq_ssh.append(_k)
+        combined_ssh_keys = "\n".join(_uniq_ssh)
         
         # Создаём контейнер
         upid = client.create_lxc_container(

backend/app/api/templates.py

@@ -893,6 +893,15 @@ def _do_deploy_sync(task_id: int, deploy_data: VMDeployRequest,
         ssh_keys = deploy_data.ssh_keys or ""
         if user_ssh_key:
             ssh_keys = f"{ssh_keys}\n{user_ssh_key}".strip()
+        # Deduplicate SSH keys while preserving order
+        _seen_ssh: set = set()
+        _uniq_ssh = []
+        for _k in ssh_keys.splitlines():
+            _k = _k.strip()
+            if _k and _k not in _seen_ssh:
+                _seen_ssh.add(_k)
+                _uniq_ssh.append(_k)
+        ssh_keys = "\n".join(_uniq_ssh)
 
         config_success = client.configure_vm(
             node=deploy_node,

frontend/src/features/instances/CreateInstanceWizard.tsx

@@ -319,7 +319,7 @@ export default function CreateInstanceWizard({ onClose }: { onClose?: () => void
         <div className="space-y-4">
           <h3 className="text-lg font-semibold">{t('wizard.select_template')}</h3>
           {groups.map(group => {
-            const groupTemplates = templates.filter(t => t.group_id === group.id);
+            const groupTemplates = templates.filter(t => t.group_id === group.id && t.vm_type === 'qemu');
             if (groupTemplates.length === 0) return null;
             return (
               <div key={group.id} className="space-y-2">
@@ -350,7 +350,7 @@ export default function CreateInstanceWizard({ onClose }: { onClose?: () => void
               </div>
             );
           })}
-          {templates.length === 0 && (
+          {templates.filter(t => t.vm_type === 'qemu').length === 0 && (
             <p className="text-center text-muted-foreground py-8">{t('wizard.no_templates')}</p>
           )}
         </div>