feat: fullscreen mode for all tabs + fix Dropbox/Supabase sync priority

src/App.tsx

@@ -163,19 +163,20 @@ export default function App() {
             const articleNo = String(row[articleNoIdx]);
             const synced = syncedData[articleNo];
             
-            const finalRow = [...row];
-            if (synced) {
-              // Smart Merge: Only overlay fields we logically "own" via this app's editors
+            // Start with Dropbox values (default)
+            let finalRow = [...row];
+            
+            // Only preserve Supabase values if there's a PENDING edit for this article
+            if (synced && synced.status === 'pending') {
+              // Keep the manually edited values from Supabase
               editableColumns.forEach(idx => {
                 if (synced.data[idx] !== undefined && synced.data[idx] !== null) {
-                   finalRow[idx] = synced.data[idx];
+                  finalRow[idx] = synced.data[idx];
                 }
               });
-
-              if (synced.status === 'pending') {
-                setRowStatuses(prev => ({ ...prev, [articleNo]: 'pending' }));
-              }
+              setRowStatuses(prev => ({ ...prev, [articleNo]: 'pending' }));
             }
+            // Otherwise use Dropbox values (don't merge, just process formatting)
             
             return finalRow.map((val: any, idx: number) => {
               if (val === undefined || val === null || val === '') return val;