refactor(ui): repoint internal links from /app/nodes to /app/cluster

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

core/http/react-ui/src/components/NodeInstallPicker.jsx

@@ -462,7 +462,7 @@ export default function NodeInstallPicker({
               Approve pending workers or register new ones.
               {pendingCount > 0 && ` (${pendingCount} awaiting approval.)`}
             </p>
-            <a className="btn btn-secondary btn-sm" href="/app/nodes">
+            <a className="btn btn-secondary btn-sm" href="/app/cluster">
               <i className="fas fa-network-wired" /> Manage nodes
             </a>
           </div>
@@ -651,7 +651,7 @@ export default function NodeInstallPicker({
 
             {pendingCount > 0 && (
               <p className="text-meta mt-0 mb-sm">
-                +{pendingCount} awaiting approval — <a href="/app/nodes" className="text-primary">approve from Nodes</a>.
+                +{pendingCount} awaiting approval — <a href="/app/cluster" className="text-primary">approve from Nodes</a>.
               </p>
             )}
 

core/http/react-ui/src/pages/BackendLogs.jsx

@@ -335,7 +335,7 @@ function DistributedBackendLogsResolver({ modelId, fromTimestamp }) {
           <h2 className="empty-state-title">Model not loaded on any worker</h2>
           <p className="empty-state-text">
             <span className="text-mono">{modelId}</span> isn't currently loaded on any node in the cluster.
-            Check the <Link to="/app/nodes" className="text-primary">Nodes page</Link> to see which models are running where.
+            Check the <Link to="/app/cluster" className="text-primary">Nodes page</Link> to see which models are running where.
           </p>
         </div>
       </div>

core/http/react-ui/src/pages/Backends.jsx

@@ -60,7 +60,7 @@ export default function Backends() {
   // Anchor for the split-button chevron. One pane, so one anchor.
   const splitMenuAnchorRef = useRef(null)
 
-  // Target-node mode: set when navigated from /app/nodes via "+ Add backend".
+  // Target-node mode: set when navigated from /app/cluster via "+ Add backend".
   // The gallery page header banners the scope; rows collapse their split-button
   // to a single Install-on-this-node action; manual install posts to the
   // per-node endpoint.
@@ -351,7 +351,7 @@ export default function Backends() {
   return (
     <div className="page page--wide page--app">
       {/* Target-node banner: when this gallery is scoped to one node via
-          ?target=<id> (entered from /app/nodes), show the scope clearly and
+          ?target=<id> (entered from /app/cluster), show the scope clearly and
           give a fast way to clear it. Visually a primary-tinted strip so the
           user knows they're in a special mode without it feeling alarming. */}
       {targetNode && (

core/http/react-ui/src/pages/NodeBackendLogs.jsx

@@ -163,7 +163,7 @@ export default function NodeBackendLogs() {
           <h2 className="empty-state-title">No node/model selected</h2>
           <p className="empty-state-text">
             View backend logs from the{' '}
-            <Link to="/app/nodes" className="text-primary">Nodes page</Link>.
+            <Link to="/app/cluster" className="text-primary">Nodes page</Link>.
           </p>
         </div>
       </div>
@@ -221,7 +221,7 @@ export default function NodeBackendLogs() {
         supporting={
           <>
             Backend logs from node <strong>{nodeName || nodeId}</strong>
-            {' '}<Link to="/app/nodes" style={{ color: 'var(--color-primary)', fontSize: '0.8125rem' }}>(back to nodes)</Link>
+            {' '}<Link to="/app/cluster" style={{ color: 'var(--color-primary)', fontSize: '0.8125rem' }}>(back to nodes)</Link>
           </>
         }
       />