fix: reset context selection counter on clear and session switch

static/messages.js

@@ -910,10 +910,12 @@ function _addNamedContextBlock(text){
 
 function _removeNamedContextBlock(id){
   _pendingSelections=_pendingSelections.filter(s=>s.id!==id);
+  if(!_pendingSelections.length)_selectionIdCounter=0;
   _renderSelectionChips();
 }
 
 function _clearPendingSelections(){
+  _selectionIdCounter=0;
   if(!_pendingSelections.length)return false;
   _pendingSelections=[];
   _renderSelectionChips();