fix(boss-dashboard): close sheet on backdrop click + tab switch

src/app/(mobile)/m/dashboard-view.tsx

@@ -71,6 +71,7 @@ export default function BossDashboardView() {
 
   useEffect(() => {
     void fetchData();
+    closeSheet(); // also closes the sheet so we don't show stale window data
   }, [fetchData]);
 
   // Realtime subscription (added in Task 14).
@@ -303,8 +304,17 @@ export default function BossDashboardView() {
       {/* Rep-activity bottom sheet */}
       <dialog
         ref={dialogRef}
+        open={sheetRep !== null}
         className="fixed inset-x-0 bottom-0 w-full max-w-md mx-auto rounded-t-2xl bg-card border border-border/60 p-0 backdrop:bg-black/60"
         onClose={() => setSheetRep(null)}
+        onClick={(e) => {
+          // Close on backdrop click. Native <dialog> dispatches click events
+          // on the dialog element itself when the user taps the backdrop;
+          // clicks on the inner content have the inner <div> as their target.
+          if (e.target === dialogRef.current) {
+            closeSheet();
+          }
+        }}
       >
         {sheetRep && (
           <div className="p-4 space-y-3">