fix: Resolve TypeScript errors and add ARIA accessibility

- Fixed type mismatches in ProxmoxAgentNodesPanel (prop signatures)
- Fixed temperatureTransports type (array vs single object)
- Added ARIA attributes to SetupWizard for screen reader support
- All tsc --noEmit checks pass

frontend-modern/src/components/Settings/ProxmoxAgentNodesPanel.tsx

@@ -54,7 +54,7 @@ interface ProxmoxAgentNodesPanelProps {
 
   // Temperature monitoring
   temperatureMonitoringEnabled: Accessor<boolean>;
-  temperatureTransports?: Accessor<TemperatureTransportInfo[]>;
+  temperatureTransports?: Accessor<TemperatureTransportInfo | null>;
 
   // Discovery settings
   discoveryEnabled: Accessor<boolean>;
@@ -70,9 +70,9 @@ interface ProxmoxAgentNodesPanelProps {
   handleDiscoveryEnabledChange: (enabled: boolean) => Promise<boolean>;
   triggerDiscoveryScan: (opts: { quiet: boolean }) => Promise<void>;
   loadDiscoveredNodes: () => Promise<void>;
-  testNodeConnection: (node: NodeConfig) => Promise<void>;
+  testNodeConnection: (nodeId: string) => void;
   requestDeleteNode: (node: NodeConfig) => void;
-  refreshClusterNodes?: (clusterId: string, sampleNodeId: string) => Promise<void>;
+  refreshClusterNodes?: (nodeId: string) => void;
 
   // Modal controls
   setEditingNode: Setter<NodeConfigWithStatus | null>;
@@ -163,7 +163,7 @@ export const ProxmoxAgentNodesPanel: Component<ProxmoxAgentNodesPanelProps> = (p
       }, 50);
     } else {
       // PVE and PBS pre-fill the node object
-      const baseNode: NodeConfigWithStatus = {
+      const baseNode = {
         id: '',
         type: props.agentType,
         name: server.hostname || `${props.agentType}-${server.ip}`,
@@ -172,8 +172,8 @@ export const ProxmoxAgentNodesPanel: Component<ProxmoxAgentNodesPanelProps> = (p
         tokenName: '',
         tokenValue: '',
         verifySSL: false,
-        status: 'pending',
+        status: 'pending' as const,
-      };
+      } as NodeConfigWithStatus;
 
       if (props.agentType === 'pve') {
         Object.assign(baseNode, {
@@ -207,14 +207,14 @@ export const ProxmoxAgentNodesPanel: Component<ProxmoxAgentNodesPanelProps> = (p
           stateNodes={props.stateNodes ?? []}
           stateHosts={props.stateHosts ?? []}
           globalTemperatureMonitoringEnabled={props.temperatureMonitoringEnabled()}
-          temperatureTransports={props.temperatureTransports?.() ?? []}
+          temperatureTransports={props.temperatureTransports?.() ?? null}
           onTestConnection={props.testNodeConnection}
           onEdit={(node) => {
             props.setEditingNode(node as NodeConfigWithStatus);
             props.setCurrentNodeType('pve');
             props.setShowNodeModal(true);
           }}
-          onDelete={props.requestDeleteNode}
+          onDelete={(node) => props.requestDeleteNode(node)}
           onRefreshCluster={props.refreshClusterNodes}
         />
       );
@@ -230,7 +230,7 @@ export const ProxmoxAgentNodesPanel: Component<ProxmoxAgentNodesPanelProps> = (p
             props.setCurrentNodeType('pbs');
             props.setShowNodeModal(true);
           }}
-          onDelete={props.requestDeleteNode}
+          onDelete={(node) => props.requestDeleteNode(node)}
         />
       );
     } else {
@@ -246,7 +246,7 @@ export const ProxmoxAgentNodesPanel: Component<ProxmoxAgentNodesPanelProps> = (p
             props.setModalResetKey((prev) => prev + 1);
             props.setShowNodeModal(true);
           }}
-          onDelete={props.requestDeleteNode}
+          onDelete={(node) => props.requestDeleteNode(node)}
         />
       );
     }

frontend-modern/src/components/SetupWizard/SetupWizard.tsx

@@ -68,9 +68,13 @@ export const SetupWizard: Component<SetupWizardProps> = (props) => {
     };
 
     return (
-        <div class="min-h-screen bg-gradient-to-br from-slate-900 via-blue-900 to-indigo-900 flex flex-col">
+        <div
+            class="min-h-screen bg-gradient-to-br from-slate-900 via-blue-900 to-indigo-900 flex flex-col"
+            role="main"
+            aria-label="Pulse Setup Wizard"
+        >
             {/* Background decoration */}
-            <div class="fixed inset-0 overflow-hidden pointer-events-none">
+            <div class="fixed inset-0 overflow-hidden pointer-events-none" aria-hidden="true">
                 <div class="absolute -top-40 -right-40 w-80 h-80 bg-blue-500/20 rounded-full blur-3xl" />
                 <div class="absolute top-1/2 -left-40 w-80 h-80 bg-indigo-500/20 rounded-full blur-3xl" />
                 <div class="absolute -bottom-40 right-1/3 w-80 h-80 bg-purple-500/20 rounded-full blur-3xl" />
@@ -78,7 +82,7 @@ export const SetupWizard: Component<SetupWizardProps> = (props) => {
 
             {/* Step indicator - only show after welcome */}
             <Show when={currentStep() !== 'welcome' && currentStep() !== 'complete'}>
-                <div class="relative z-10 pt-8 px-4">
+                <div class="relative z-10 pt-8 px-4" role="navigation" aria-label="Setup progress">
                     <StepIndicator
                         steps={['Security', 'Connect', 'Features']}
                         currentStep={currentStepIndex() - 1}
@@ -88,7 +92,7 @@ export const SetupWizard: Component<SetupWizardProps> = (props) => {
 
             {/* Main content */}
             <div class="flex-1 flex items-center justify-center p-4 relative z-10">
-                <div class="w-full max-w-2xl">
+                <div class="w-full max-w-2xl" role="region" aria-live="polite">
                     <Show when={currentStep() === 'welcome'}>
                         <WelcomeStep
                             onNext={nextStep}