feat(ui): add useP2PMode hook and embedded prop to Nodes and P2P pages

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

core/http/react-ui/src/hooks/useP2PMode.js

@@ -0,0 +1,31 @@
+import { useState, useEffect, useCallback } from 'react'
+import { p2pApi } from '../utils/api'
+
+// useP2PMode reports whether p2p / swarm mode is available, mirroring
+// useDistributedMode. Availability is "a network token exists" (the same signal
+// the standalone P2P page used). One-shot probe on mount plus a manual refetch.
+//
+// Returns:
+//   enabled  — true when a non-empty network token is present
+//   loading  — true until the first probe completes
+//   refetch  — manual trigger to re-run the probe
+export function useP2PMode() {
+  const [enabled, setEnabled] = useState(false)
+  const [loading, setLoading] = useState(true)
+
+  const probe = useCallback(async () => {
+    setLoading(true)
+    try {
+      const token = await p2pApi.getToken()
+      setEnabled(!!(token && String(token).trim()))
+    } catch {
+      setEnabled(false)
+    } finally {
+      setLoading(false)
+    }
+  }, [])
+
+  useEffect(() => { probe() }, [probe])
+
+  return { enabled, loading, refetch: probe }
+}

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

@@ -89,7 +89,7 @@ function WorkerHintCard({ addToast, activeTab, hasWorkers }) {
   )
 }
 
-export default function Nodes() {
+export default function Nodes({ embedded = false }) {
   const { addToast } = useOutletContext()
   const { t } = useTranslation('admin')
   const [nodesList, setNodesList] = useState([])
@@ -282,16 +282,18 @@ export default function Nodes() {
     : activeTab === 'agent' ? agentNodes : backendNodes
 
   return (
-    <div className="page page--wide">
-      <PageHeader
-        title={
-          <>
-            <i className="fas fa-network-wired icon-before" />
-            {t('nodes.title')}
-          </>
-        }
-        supporting={t('nodes.subtitle')}
-      />
+    <div className={embedded ? '' : 'page page--wide'}>
+      {!embedded && (
+        <PageHeader
+          title={
+            <>
+              <i className="fas fa-network-wired icon-before" />
+              {t('nodes.title')}
+            </>
+          }
+          supporting={t('nodes.subtitle')}
+        />
+      )}
 
       <ClusterPulse nodes={nodesList} />
       <AttentionCallout nodes={nodesList} onApprove={handleApprove} />

core/http/react-ui/src/pages/P2P.jsx

@@ -69,7 +69,7 @@ function NoNodes({ icon, title, hint }) {
   )
 }
 
-export default function P2P() {
+export default function P2P({ embedded = false }) {
   const { addToast } = useOutletContext()
   const { t } = useTranslation('admin')
   const [workers, setWorkers] = useState([])
@@ -145,7 +145,7 @@ export default function P2P() {
 
   if (loading) {
     return (
-      <div className="page page--narrow loading-center">
+      <div className={embedded ? 'loading-center' : 'page page--narrow loading-center'}>
         <LoadingSpinner size="lg" />
       </div>
     )
@@ -154,7 +154,7 @@ export default function P2P() {
   // ── P2P Disabled ──
   if (!enabled) {
     return (
-      <div className="page page--narrow">
+      <div className={embedded ? '' : 'page page--narrow'}>
         <div className="p2p-hero">
           <i className="fas fa-network-wired" />
           <h1>P2P distribution not enabled</h1>
@@ -243,19 +243,21 @@ export default function P2P() {
   const mlxTotal = stats.mlx_workers?.total ?? 0
 
   return (
-    <div className="page page--narrow">
-      <PageHeader
-        title={<><i className="fas fa-circle-nodes fa-circle-info" /> {t('p2p.title')}</>}
-        supporting={
-          <>
-            {t('p2p.subtitle')}
-            {' '}
-            <a href="https://localai.io/features/distribute/" target="_blank" rel="noopener noreferrer">
-              <i className="fas fa-up-right-from-square" aria-hidden="true" />
-            </a>
-          </>
-        }
-      />
+    <div className={embedded ? '' : 'page page--narrow'}>
+      {!embedded && (
+        <PageHeader
+          title={<><i className="fas fa-circle-nodes fa-circle-info" /> {t('p2p.title')}</>}
+          supporting={
+            <>
+               {t('p2p.subtitle')}
+               {' '}
+               <a href="https://localai.io/features/distribute/" target="_blank" rel="noopener noreferrer">
+                 <i className="fas fa-up-right-from-square" aria-hidden="true" />
+               </a>
+            </>
+          }
+        />
+      )}
 
       <section className="p2p-token">
         <div className="hstack hstack--nowrap tone-warning">