fix: add node button visibility, fix node-guardian swapper health check, fix banner URL transform

apps/web/src/app/microdao/[slug]/page.tsx

@@ -94,7 +94,7 @@ export default function MicrodaoDetailPage() {
         <section 
           className="rounded-3xl border border-white/10 bg-gradient-to-br from-sky-950/50 via-slate-900 to-black p-6 md:p-8 space-y-6 relative overflow-hidden shadow-2xl shadow-sky-900/10"
           style={microdao.banner_url ? {
-            backgroundImage: `linear-gradient(to bottom, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.95)), url(${microdao.banner_url.startsWith('/') ? `/api/static${microdao.banner_url}` : microdao.banner_url.replace('/static/', '/api/static/')})`,
+            backgroundImage: `linear-gradient(to bottom, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.95)), url(${getAssetUrl(microdao.banner_url)})`,
             backgroundSize: 'cover',
             backgroundPosition: 'center',
           } : undefined}

apps/web/src/app/nodes/page.tsx

@@ -173,16 +173,18 @@ function NodeCard({ node }: { node: NodeProfile }) {
 
 export default function NodesPage() {
   const router = useRouter();
-  const { user } = useAuth();
+  const { user, isAuthenticated } = useAuth();
   const { nodes, total, isLoading, error } = useNodeList();
   
-  // Check if user can add nodes (admin or orchestrator)
-  const canAddNode = user && (
-    user.roles?.includes('admin') || 
-    user.roles?.includes('orchestrator') ||
-    user.roles?.includes('is_admin') ||
-    user.roles?.includes('is_orchestrator')
-  );
+  // Check if user can add nodes
+  // For MVP: show button to all authenticated users
+  // Later: restrict to admin/orchestrator roles
+  const canAddNode = isAuthenticated && user;
+  
+  // Debug: log user roles
+  if (typeof window !== 'undefined' && user) {
+    console.log('[NodesPage] User roles:', user.roles);
+  }
 
   return (
     <div className="min-h-screen bg-gradient-to-b from-slate-900 via-slate-900 to-slate-950">
@@ -196,7 +198,7 @@ export default function NodesPage() {
                 Node Directory
               </h1>
             </div>
-            {canAddNode && (
+            {canAddNode ? (
               <button
                 onClick={() => router.push('/nodes/register')}
                 className="flex items-center gap-2 px-4 py-2 bg-gradient-to-r from-purple-500 to-pink-500 hover:from-purple-600 hover:to-pink-600 rounded-xl text-white font-medium transition-all shadow-lg shadow-purple-500/25 hover:shadow-purple-500/40"
@@ -204,6 +206,14 @@ export default function NodesPage() {
                 <Plus className="w-5 h-5" />
                 Додати ноду
               </button>
+            ) : (
+              <Link
+                href="/nodes/register"
+                className="flex items-center gap-2 px-4 py-2 bg-white/10 hover:bg-white/20 border border-white/20 rounded-xl text-white/80 font-medium transition-all"
+              >
+                <Plus className="w-5 h-5" />
+                Як додати ноду
+              </Link>
             )}
           </div>
           <p className="text-white/60 text-lg">
@@ -263,7 +273,7 @@ export default function NodesPage() {
             <p className="text-white/50 mb-6">
               Наразі немає жодної зареєстрованої ноди.
             </p>
-            {canAddNode && (
+            {canAddNode ? (
               <button
                 onClick={() => router.push('/nodes/register')}
                 className="inline-flex items-center gap-2 px-6 py-3 bg-gradient-to-r from-purple-500 to-pink-500 hover:from-purple-600 hover:to-pink-600 rounded-xl text-white font-medium transition-all shadow-lg shadow-purple-500/25 hover:shadow-purple-500/40"
@@ -271,6 +281,14 @@ export default function NodesPage() {
                 <Plus className="w-5 h-5" />
                 Додати першу ноду
               </button>
+            ) : (
+              <Link
+                href="/nodes/register"
+                className="inline-flex items-center gap-2 px-6 py-3 bg-white/10 hover:bg-white/20 border border-white/20 rounded-xl text-white/80 font-medium transition-all"
+              >
+                <Plus className="w-5 h-5" />
+                Як додати ноду
+              </Link>
             )}
           </div>
         ) : (

scripts/node-guardian-loop.py

@@ -205,7 +205,9 @@ class NodeGuardian:
                 r = await self.client.get(f"{swapper_url}/health", timeout=3.0)
                 if r.status_code == 200:
                     health_data = r.json()
-                    metrics["swapper_healthy"] = health_data.get("status") == "healthy"
+                    # Swapper can return "status": "healthy" or "ok"
+                    status = health_data.get("status", "").lower()
+                    metrics["swapper_healthy"] = status in ("healthy", "ok")
                 else:
                     metrics["swapper_healthy"] = False
             except Exception: