The Streams scope was reset to this host on every page load, on a dashboard that is never reloaded by choice

Plugin/unraid/pages/monitor.php

@@ -1060,7 +1060,19 @@ function vvPollMonitor(live) {
       // single-host install "This host" and "Mesh" are two names for the same view, and the
       // Media Stack tab hides its equivalent for the same reason.
       const _strmScopeEl = document.getElementById('vv-streams-scope');
-      if (_strmScopeEl) _strmScopeEl.style.display = Object.keys(ptRemote).length ? 'flex' : 'none';
+      const _strmHasPeer = Object.keys(ptRemote).length > 0;
+      if (_strmScopeEl) _strmScopeEl.style.display = _strmHasPeer ? 'flex' : 'none';
+
+      // A remembered "mesh" outlives the partner that justified it — an offboard, or a browser
+      // carrying the preference to a single-host install. The control is hidden in that state,
+      // so there would be no way back: the card would sit in a mesh view of a mesh that is not
+      // there, with nothing on screen to say why. The scope follows the control.
+      if (!_strmHasPeer && vvStreamScope === 'mesh') {
+        vvStreamScope = 'local';
+        try { localStorage.setItem(VV_STRM_SCOPE_KEY, 'local'); } catch (_) {}
+        vvStreamScopeSync();
+        vvPollStreams();
+      }
       const ptStatus = pt.enabled
         ? `<span style="color:#4caf50;">enabled</span> · sync every ${pt.sync_min}min`
         : `<span style="color:#555;">disabled</span>`;
@@ -2554,7 +2566,26 @@ function vvRenderStreams() {
 
 // Local by default, and it stays the cheap path — one call per media server on this box. Mesh adds
 // a bounded SSH hop per partner, paid only while the operator is looking at it.
+// Remembered per browser, because which scope you want is a property of the screen in front of
+// you: the wall dashboard wants the whole mesh, a laptop opened to check one box does not. A
+// first visit — and anything unrecognised in storage — is local.
+//
+// Validated against the two real scopes rather than trusted. A stale or hand-edited key would
+// otherwise put the card in a scope with no button to leave it by.
+const VV_STRM_SCOPE_KEY = 'vv-streams-scope';
 let vvStreamScope = 'local';
+try {
+  const _s = localStorage.getItem(VV_STRM_SCOPE_KEY);
+  if (_s === 'local' || _s === 'mesh') vvStreamScope = _s;
+} catch (_) {}
+// The markup ships with "This host" lit, so this only ever has to move the highlight.
+if (vvStreamScope !== 'local') vvStreamScopeSync();
+
+function vvStreamScopeSync() {
+  document.querySelectorAll('#vv-streams [data-strmscope]').forEach(b =>
+    b.classList.toggle('on', b.dataset.strmscope === vvStreamScope));
+}
+
 let vvStreamNodes = [];
 
 function vvPollStreams() {
@@ -2605,8 +2636,8 @@ document.getElementById('vv-streams')?.addEventListener('click', ev => {
   if (next === vvStreamScope) return;
 
   vvStreamScope = next;
-  document.querySelectorAll('#vv-streams [data-strmscope]').forEach(b =>
-    b.classList.toggle('on', b.dataset.strmscope === next));
+  try { localStorage.setItem(VV_STRM_SCOPE_KEY, next); } catch (_) {}
+  vvStreamScopeSync();
 
   // Switching is a request to see the other view now, not at the next tick.
   const el = document.getElementById('vv-streams-body');