debug: add console logs to trace filter state + stopPropagation on popover

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/ColumnFilterPopover.tsx

@@ -34,10 +34,13 @@ export function ColumnFilterPopover({
   const isAllSelected = selectedValues.length === uniqueValues.length && uniqueValues.length > 0;
 
   return (
-    <div className={cn(
-      "absolute top-full left-0 mt-1 w-64 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl z-50 p-3 flex flex-col gap-3 animate-in fade-in zoom-in-95 duration-100",
-      className
-    )}>
+    <div
+      className={cn(
+        "absolute top-full left-0 mt-1 w-64 bg-slate-800 border border-slate-700 rounded-lg shadow-2xl z-50 p-3 flex flex-col gap-3 animate-in fade-in zoom-in-95 duration-100",
+        className
+      )}
+      onClick={(e) => e.stopPropagation()}
+    >
       {title && <div className="text-[10px] font-bold text-slate-500 uppercase tracking-wider px-1">{title}</div>}
       
       <div className="relative">